Prompt 4 of 7
Name an animal that is native to South America
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100 ptsOne in a Krillion1 answerShow answersHide answers
The rarest possible answer — almost no player finds it.
- Olinguito— Named in 2013, it was the Americas' first new carnivore since 1978.
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Genuinely obscure. Most players never think of it.
- 88 butterfly
- Abakapa rain frog
- Abatira Skipper
- Abauna Skipper
- Abdonides Skipper
- Abitagua Caecilian
- ABOFOA's Humming frog
- Abra Acanacu marsupial frog
- Abra Málaga Andes Frog
- Abra Malaga toad
- Abyssal assfish
- Abyssal grenadier
- Abyssal halosaur
- Abyssal spiderfish
- Acacia Aristotelia
- Acacia Skipper
- Academy eel
- Acadian Flycatcher
- Acancocha Water Frog
- Acandi toothcarp
- Acantus Sarota
- Acapulco major
- Acara
- Acary avion
- Aceramarca Opossum
- Acevedo spiny-backed frog
- Achala copper lizard
- Achala toad
- Achala’s four-eyed frog
- Achaval’s toad
- Achilles morpho
- Ackawaio Stefania
- Aconcagua grenadier
- Acorn Woodpecker
- Acorn worm
- Acouchi
- Acoupa weakfish
- Acre Antshrike
- Acre corydoras
- Acre rocket frog
- Acre Tody-tyrant
- Acre treefrog
- Acre's Oval Frog
- Acrobat ant
- Acrobat Moth
- Acrobatic Cavy
- Acting Heliconian
- Actoris Metalmark
- Adam's Miniature Ark
- Adams Mussel
- Adams's Miniature Cerith
- Adelina Metalmark
- Adept Fruit-piercing Moth
- Adjutant Wainscot
- Admirable-Redbelly-toad
- Adolf's catfish
- Adonis Firetip
- Adorned Austral-Resin bee
- Adorned Graceful Brown Snake
- Adriana's yellow-shouldered bat
- Adrienne's Skipper
- Advena Scarlet-eye
- Aecas Ruby-eye
- Aega Morpho
- Aegita Silverpatch
- Aeglid crab
- Aeolosoma Worm
- Aerata Skipper
- Aesculapian False Coral Snake
- Aetolus Stripestreak
- African pompano
- Afrox's robber frog
- Agami Heron
- Agamyxis albomaculatus
- Agar river prawn
- Agaricon Skipper
- Agassiz' smooth-head
- Agassiz's Anole
- Agassiz's Chromodorid
- Agassiz's corydoras
- Agassiz's dwarf cichlid
- Agassiz's parrotfish
- Agate Cone
- Agathina Emperor
- Agathocles Skipperling
- Agave Metalmark
- Agave Yellow
- Agile Opossum
- Agile snouted treefrog
- Agile Tit-tyrant
- Agnata Satyr
- Agnosia Glasswing
- Agricola's Opossum
- Agua Bonita Robber Frog
- Agua Rica leaf frog
- Agua Robber Frog
- Aguapanela Dwarf Tarantula
- Agueda’s Rocky Lizard
- Aguja skate
- Agujon needlefish
- Ahira Skipper
- Ahuano Robber Frog
- Ainley's Storm Petrel
- Akodont
- Akroa Rice Rat
- Alagoas Antwren
- Alagoas Curassow
- Alagoas Foliage-gleaner
- Alagoas heart-tongued frog
- Alagoas Tyrannulet
- Alala sister
- Alamo Moth
- Alana White-Skipper
- Alban Cochran frog
- Albania Robber Frog
- Alberico's broad-nosed bat
- Albina Surinam Toad
- Albinus Metalmark
- Albuja's Climbing Rat
- Albuja's Rainfrog
- Albuja's Short-tailed Shrew
- Albuquerque Ground Snake
- Alburna Skipper
- Alcatraz snouted treefrog
- Alcatrazes lancehead
- Alcmon Skipper
- Alda hairstreak
- Alder Flycatcher
- Alderfly
- Alemán's Snail-eater
- Alessandra's toothcarp
- Alexander's Spiny Brittle Star
- Alexandre's lizard
- Alfaro's Rice Rat
- Alfaro's treefrog
- Alfaro's Water Rat
- Alfie’s goby
- Alfonsino
- Alhandra heart-tongued frog
- Alice argentina
- Alicia's Metalmark
- Alicia's Sapsucker
- Aligula Skipper
- Alipio's redbelly toad
- Alistado shrimp
- Allen's anchovy
- Allen's common mustached bat
- Alligator flea
- Alligator weed flea beetle
- Alligator weed thrips
- Alligatorweed Stemborer Moth
- Allipaca Water Frog
- Allpahuayo Antbird
- Allpapuyu Robber Frog
- Allround Calephelis
- Almaden Ground Snake
- Almadina tree frog
- Almeida toothcarp
- Almendáriz’s Microtegu
- Almendariz's Rainfrog
- Almendariz's treefrog
- Almoda Skipper
- Alope Sphinx
- Alphabet Cone
- Alphonse's Ground Snake
- Alpinopolis snouted treefrog
- Alsimo Skipper
- Alta Floresta Antpitta
- Altama Skipper
- Alternate Ruby-eye
- Alternate tellin
- Altiplano Chinchilla Mouse
- Altiplano Grass Mouse
- Alto button frog
- Alto da Serra big-headed frog
- Alto Marañon toad
- Alto Tambo woodlizard
- Altum angelfish
- Alumna Skipper
- Alvarez's mastiff bat
- Amadryas Skipperling
- Amaguaña's Rain Frog
- Amalda Glasswing
- Amalfi rocket frog
- Amanda Jane's cory
- Amapa corydoras
- Amapá Tetra
- Amapa treefrog
- Amarakaeri poison frog
- Amarakaeri's Big-headed Frog
- Amaral's blind snake
- Amaral's Brazilian Gecko
- Amaral's Colobosaura
- Amaral's ground snake
- Amaral's Tropical Racer
- Amathites Lava Lizard
- Amathonte Morpho
- Amazilia Hummingbird
- Amazon Bamboo Rat
- Amazon Banded Snake
- Amazon Basin Emerald Tree Boa
- Amazon Basin Tree Snake
- Amazon Beauty
- Amazon Black Howler
- Amazon Blue Bloom Tarantula
- Amazon Burrowing Snake
- Amazon Coachwhip
- Amazon Coastal House Snake
- Amazon Coral Snake
- Amazon Cracker
- Amazon croaker
- Amazon Darner
- Amazon dart frog
- Amazon dwarf cichlid
- Amazon Dwarf Squirrel
- Amazon False Coral Snake
- Amazon False Fer-de-lance
- Amazon giant glass frog
- Amazon Glass Shrimp
- Amazon guppy
- Amazon hatchet herring
- Amazon Hog-nosed Skunk
- Amazon ilisha
- Amazon Kingfisher
- Amazon Lava Lizard
- Amazon leaffish
- Amazon Mantis
- Amazon milk frog
- Amazon Mushroomtongue Salamander
- Amazon Naked-tailed Armadillo
- Amazon pellona
- Amazon Pennant
- Amazon Pigmy Gecko
- Amazon poison frog
- Amazon puffer
- Amazon Puffing Snake
- Amazon Queen Moth
- Amazon Racerunner
- Amazon Recluse
- Amazon Red Darner
- Amazon Ribbed Tarantula
- Amazon River Frog
- Amazon river prawn
- Amazon river sole
- Amazon Robber Frog
- Amazon sailfin catfish
- Amazon Sapphire Pinktoe Tarantula
- Amazon Sapphirewing
- Amazon Scarlet Snake
- Amazon Seedling
- Amazon Slope Robber Frog
- Amazon spinejaw sprat
- Amazon Thorn Spider
- Amazon Tree Boa
- Amazon Tropical Forest Snake
- Amazon Water Snake
- Amazon Weasel
- Amazon zebra shrimp
- Amazonas rocket frog
- Amazonas Water Frog
- Amazonian Antpitta
- Amazonian Antshrike
- Amazonian Barred-woodcreeper
- Amazonian Beardless-tyrannulet
- Amazonian Black-throated Trogon
- Amazonian Black-tyrant
- Amazonian common mustached bat
- Amazonian Elaenia
- Amazonian giant centipede
- Amazonian Grosbeak
- Amazonian Hocicudo
- Amazonian Long-tailed Porcupine
- Amazonian Marsh Rat
- Amazonian milk frog
- Amazonian monkey frog
- Amazonian Motmot
- Amazonian nurse-frog
- Amazonian Parrotlet
- Amazonian Plain-xenops
- Amazonian poison frog
- Amazonian Pygmy-Owl
- Amazonian Red-sided Opossum
- Amazonian sac-winged bat
- Amazonian Scrub-flycatcher
- Amazonian Streaked-antwren
- Amazonian teiid
- Amazonian tiny tree toad
- Amazonian Toad-headed Pitviper
- Amazonian tree toad
- Amazonian Tricolor Centipede
- Amazonian Tyrannulet
- Amazonian Umbrellabird
- Amazonian Violaceous-Trogon
- Amazonian Wandering Spider
- Amber Pen Shell
- Amber phantom
- Amber-banded Clubskimmer
- Amber-banded Skipper
- Amberjack
- Amberstripe scad
- Amberwing
- Amblyspila Skipper
- Amboro Silky Anteater
- Ambrax Hairstreak
- Ambrosia Leafwing
- Ambush bug
- Ameiva
- Amelie's glassfrog
- American Barn Owl
- American breadcrumb sponge
- American Carrier Shell
- American Cliff Swallow
- American coastal pellona
- American Coot
- American Dewdrop Spider
- American eel
- American Flamingo
- American freshwater goby
- American golden silk orb weaver
- American Golden-Plover
- American Ground Frog
- American harvestfish
- American Kestrel
- American Lady
- American legskate
- American Nipper
- American Octopus
- American Oystercatcher
- American Pygmy Kingfisher
- American Red Fiddler Crab
- American Redstart
- American sackfish
- American serpentine leafminer
- American Silkworm Moth
- American Snout
- American sole
- American spiny flounder
- American Sunflower Moth
- American tarantula hawk
- American Tusk Shell
- American white lipped frog
- American whitespotted filefish
- American Wigeon
- American Yellow Sac Spider
- Amethyst Woodstar
- Amethyst-throated Sunangel
- Amicus Mellana
- Ampay Tapaculo
- Amphipod
- Amphiro Redring
- Amyntor Greenstreak
- Amythaon Firetip
- Anaí Rainfrog
- Anatipes Robber Frog
- Anatolian Skipper
- Anaxibia Morpho
- Ancash Leaf-eared Mouse
- Ancash Tapaculo
- Ancash Water Frog
- Anchemola Sphinx
- Anchicaya poison dart frog
- Anchicaya Skipper
- Anchicaya's golden dink frog
- Anchises Cattleheart
- Anchoveta
- Ancient Antwren
- Ancilla Volute
- Ancora skipper
- Andagoya Caecilian
- Andagoya Dragonlet
- Andagoya Robber Frog
- Andalgala Water Frog
- Andean Avocet
- Andean Big-eared Mouse
- Andean Black Longhorn
- Andean Black-backed Coral Snake
- Andean buckeye
- Andean Cock-of-the-rock
- Andean collared frog
- Andean cricket frog
- Andean devil rainfrog
- Andean Dwarf Robber Frog
- Andean Emerald
- Andean Flamingo
- Andean Flicker
- Andean Forest Pitviper
- Andean Gardener Bumble Bee
- Andean Gerbil Mouse
- Andean Goose
- Andean Ground Snake
- Andean Guan
- Andean Gull
- Andean Hillstar
- Andean Ibis
- Andean Lady
- Andean Lancehead
- Andean Laniisoma
- Andean Lapwing
- Andean Leaf-eared Mouse
- Andean Long-clawed Mouse
- Andean longtail
- Andean Motmot
- Andean Mountain Cat
- Andean Mouse
- Andean Negrito
- Andean Night Monkey
- Andean Orange-thighed Frog
- Andean Parakeet
- Andean poison frog
- Andean Potoo
- Andean Pygmy Rice Rat
- Andean Pygmy-Owl
- Andean Rat
- Andean Red Bumble Bee
- Andean Saddle-back Tamarin
- Andean Silverspot
- Andean Siskin
- Andean Slaty Thrush
- Andean Solitaire
- Andean Squirrel
- Andean Stick Insect
- Andean Swallow
- Andean Swamp Rat
- Andean Swift
- Andean Tapeti
- Andean Teal
- Andean Tinamou
- Andean Tit-spinetail
- Andean Tuco-tuco
- Andean Vesper Mouse
- Andean White-eared Opossum
- Andersen's fruit-eating bat
- Andersen's lantern fish
- Anderson's Arboreal Rice Rat
- Anderson's Four-eyed Opossum
- Anderson's Hairstreak
- Anderson's Mouse Opossum
- Anderson's Oldfield Mouse
- Anderson's Tuco-tuco
- Andersson Robber Frog
- Andersson's stubfoot toad
- Andes Centipede Snake
- Andes cory
- Andes Dampwood Termite
- Andes frog
- Andes giant glass frog
- Andes Leaf-toed Gecko
- Andes marsupial frog
- Andes stubfoot toad
- Andes Tree Iguana
- Andraemon Skipper
- Andrew Neild's Podelfin
- Andrews's Beaked Whale
- Androgeus Swallowtail
- Andromica clearwing
- Anduzi's Nannostomus
- Andy's Skipper
- Angel hair worm
- Angel insect
- Angel shark
- Angelo's Skipperling
- Angelwing
- Angled Leafwing
- Angled olive
- Angled Sulphur
- Anglefin whiff
- Angoulême microcaecilia
- Angra dos Reis snouted tree frog
- Angra dwarf frog
- Angra tree toad
- Angry Mellana
- Angular angel shark
- Angular Brittle Star
- Angular Sea Whip
- Angular Triton
- Angulate Stingless Bee
- Angusta Crescent
- Anhinga
- Ani
- Anita's Leaf-eared Mouse
- Anitápolis livebearer
- Anius Metalmark
- Anker's Peppermint Shrimp
- Annellated Coral Snake
- Annette's Hairstreak
- Annex Anole
- Annulated Gecko
- Annulated Tree Boa
- Anole
- Anomalous Cercosaura
- anomalous enacrosome
- Anomalous glassfrog
- Anomalous lanternfish
- Anori stubfoot toad
- Ant Sheet-web Weaver
- Ant spider
- Ant tanager
- Ant-decapitating fly
- Ant-loving teneb
- Ant-mimicking Treehopper
- Antado rocket frog
- Antarctic armless flounder
- Antarctic Ascidian
- Antarctic deepsea smelt
- Antarctic escolar
- Antarctic Flying Squid
- Antarctic Minke Whale
- Antarctic Petrel
- Antarctic Prion
- Antarctic rock sea cucumber
- Antarctic Stalked Jelly
- Antarctic starry skate
- Antarctic Sun Star
- Antarctic Tern
- Antbird
- Antenna codlet
- Anthony's poison arrow frog
- Anthony's Woolly Mouse Opossum
- Anthracinus Skipper
- Antias Firetip
- Antillean File Clam
- Antillean Glassy Bubble
- Antillean Hermit Crab
- Antillean Nighthawk
- Antillean Scallop
- Antillean smooth-head
- Antillean snake eel
- Antillean Sphenia
- Antilles frillfin
- Antilles Leaf-toed Gecko
- Antilles Limpet
- Antinoe Catone
- Antioquia anole
- Antioquia beaked toad
- Antioquia Bristle-tyrant
- Antioquia Brushfinch
- Antioquia Caecilian
- Antioquia giant glass frog
- Antioquia glass frog
- Antioquia leaf frog
- Antioquia marsupial frog
- Antioquia Wren
- Antioquian sac-winged bat
- Antipodean albatross
- Antler Coral
- Antler dragonet
- Antler toothcarp
- Antlion
- Antonieta’s lizard
- Antonina toothcarp
- Antonio Brack's Oldfield Mouse
- Antpipit
- Antpitta
- Antra Skipper
- Antshrike
- Antthrush
- Antvireo
- Antwren
- Apapa
- Apeco Oldfield Mouse
- Apella Skipper
- Aphaca Hairstreak
- Aphrodite anthias
- Apiaí toothcarp
- Apical Flycatcher
- Apiform morning glory-digger
- Aplochiton
- Aplomado Falcon
- Apolinar's Wren
- Apollo Redspot
- Apostrophe goby
- Appendageless snailfish
- Appia Skipper
- Apple Murex
- Apple snail
- Aprada Stefania treefrog
- Apradatepui Rain Frog
- Apron ray
- Apure Tiger Pleco
- Apurimac Brushfinch
- Apurimac Robber Frog
- Apurimac Spinetail
- Apurímac Woodland Racer
- Apuriná poison frog
- Aquamarine Hairstreak
- Aquatic coral snake
- Aquino's Titi
- Araçá Uacari
- Aracari
- Aracruz Humming Frog
- Aragua glass frog
- Aragua poison frog
- Aragua Robber Frog
- Araguaia cory
- Araguaia Spinetail
- Araguaia toothcarp
- Araguaian River Dolphin
- Araguari Toad Pleco
- Araguari tree frog
- Arajara Mabuya
- Araponga dwarf frog
- Araripe Manakin
- Arata-Thomas yellow-shouldered bat
- Araucana Purplewing
- Araucanian herring
- Araucaria Forest Tree Mouse
- Araucaria Grass Mouse
- Araucaria Tit-spinetail
- Araucaria tree frog
- Arax Firetip
- Arbuscula Metalmark
- Arch-tipped Glider
- Archaic Bell Moth
- Arched Box Crab
- Arched Swimming Crab
- Arcos big-headed frog
- Arctic Hiatella
- Arctic skate
- Arctic Tern
- Arcuate Keyhole Limpet
- Ardy's Rainfrog
- Ardys Crescent
- Areia Branca tree frog
- Arequipa red bat
- Arequipa Vesper Mouse
- Ares Hairstreak
- Arete Cracker
- Argelia Robber Frog
- Argentina Giant Black Rump
- Argentina Mousehole Snake
- Argentina Smoke Brown
- Argentine anchovy
- Argentine angelshark
- Argentine ant
- Argentine Bagworm
- Argentine black and white tegu
- Argentine caecilian
- Argentine conger
- Argentine croaker
- Argentine dwarf olive
- Argentine Dwarf Tarantula
- Argentine Fat-tailed Opossum
- Argentine Fossor Tarantula
- Argentine goatfish
- Argentine hake
- Argentine Harvester Ant
- Argentine horned frog
- Argentine humphead
- Argentine Marked Gecko
- Argentine menhaden
- Argentine Pampas Snake
- Argentine pearlfish
- Argentine pygmy tarantula
- Argentine red shrimp
- Argentine seabass
- Argentine serotine
- Argentine shortfin squid
- Argentine skate
- Argentine Skipper
- Argentine Skipperling
- Argentine snouted tree frog
- Argentine stem weevil
- Argentine stiletto shrimp
- Argentine toad
- Argentine torpedo
- Argentine Tuco-tuco
- Argentine Water Frog
- Argentine white crested mantis
- Argentinean rose tarantula
- Argentinean Sea Anemone
- Argentinean Swamp Rat
- Argentinian Bronze Tarantula
- Argentinian coral snake
- Argentinian Rainbow Boa
- Argentinian sandperch
- Argentinian Scarab
- Argentinian silverside
- Argentinian toothcarp
- Argon Skipper
- Argonaut
- Argonaut Mylon
- Arguedas's Grass Mouse
- Argus frog
- Argus moray
- Ari's Caecilian
- Arico Water Frog
- Arinas Firetip
- Arinos cory
- Aripuana Antwren
- Arita Skipper
- Aritana's Brown Four-eyed Opossum
- Ark clam
- Ark Cockle
- Arlindo's Short-tailed Opossum
- Armadeira da Bahia
- Armadillo ant
- Armed Box Crab
- Armed grunt
- Armed snook
- Armed tree frog
- Armién's myotis
- Armored Caecilian
- Armored catfish
- Armored Rat
- Armored searobin
- Armored spider
- Armourhead grenadier
- Army-ant Ghost-Skipper
- Armyworm
- Armyworm Moth
- Arnaldo's Green Racer
- Arndts' treefrog
- Arnoux's Beaked Whale
- Aroa Small-eared Shrew
- Aroma Skipper
- Arowana
- Arp's rocket frog
- Arrabal's Suriname Toad
- Arrow blenny
- Arrow Ground Snake
- Arrow Shrimp
- Arrow stargazer
- Arrow worm
- Arrowhead Piculet
- Arrowhead shovelnose
- Arrowtail
- Artemides Skipper
- Artena Clearwing
- Arthur's stubfoot toad
- Artichoke Coral
- Arua dwarf cichlid
- Aruana toothcarp
- Aruba Island Rattlesnake
- Aruba Leaf-toed Gecko
- Aruba Whiptail
- Aruban Cat-eyed Snake
- Arutam Leaflitter Frog
- Asa Hairstreak
- Ascotán Salt Flat Frog
- Ash-breasted Antbird
- Ash-breasted Sierra Finch
- Ash-breasted Tit-tyrant
- Ash-browed Spinetail
- Ash-colored Cuckoo
- Ash-colored Oldfield Mouse
- Ash-colored Tapaculo
- Ash-lipped apisto
- Ash-throated Antwren
- Ash-throated Casiornis
- Ash-throated Crake
- Ash-throated Gnateater
- Ash-winged Antwren
- Ashaninka Inca Rat
- Ashaninka Oldfield Mouse
- Asháninka robber frog
- Ashy Antwren
- Ashy Chinchilla Rat
- Ashy Gray Lady Beetle
- Ashy Pink Sea Cucumber
- Ashy Titi
- Ashy-bellied Oldfield Mouse
- Ashy-headed Goose
- Ashy-headed Greenlet
- Ashy-headed Tyrannulet
- Ashy-tailed Swift
- Ashy-throated Chlorospingus
- Asine Longtail
- Aspernatus Skipper
- Aspila Skipperling
- Aspitha Firetip
- Assassin bug
- Assembly Moth
- Astala Eighty-eight
- Astarte eighty-eight
- Asteria Metalmark
- Astyalus Swallowtail
- Astyoche satyr
- Asymmetric Skipper
- Atacama grenadier
- Atacama myotis
- Atacama toad
- Atacama Water Frog
- Atacamen Pacific Iguana
- Atahuallpa Saphenophis Snake
- Atahuallpai Sootywing
- Atalanta Satyr
- Atamisqui carpenter bee
- Atena Hairstreak
- Atesa Hairstreak
- Athletic Orchid Bee
- Atillo Rain Frog
- Atipa
- Atlantic anchoveta
- Atlantic angel shark
- Atlantic Assiminea
- Atlantic Bamboo Rat
- Atlantic barracudina
- Atlantic batfish
- Atlantic Bay Scallop
- Atlantic bigeye
- Atlantic bigeye sixgill shark
- Atlantic bird squid
- Atlantic bittersweet clam
- Atlantic Black Seahare
- Atlantic Black-throated Trogon
- Atlantic blackwing flyingfish
- Atlantic bonito
- Atlantic Box Jelly
- Atlantic brief squid
- Atlantic bumper
- Atlantic Calico Scallop
- Atlantic chub mackerel
- Atlantic Distorsio
- Atlantic Encrusting Zoanthid
- Atlantic False Jingle
- Atlantic fangjaw
- Atlantic flashlightfish
- Atlantic flyingfish
- Atlantic Foam Oyster
- Atlantic footballfish
- Atlantic Forest Arboreal Rice Rat
- Atlantic Forest Burrowing Mouse
- Atlantic Forest bushmaster
- Atlantic forest dwarf frog
- Atlantic forest fringe-lipped bat
- Atlantic Forest Hocicudo
- Atlantic Forest Oncilla
- Atlantic Forest Racer
- Atlantic Forest Red Brocket
- Atlantic Forest Rice Rat
- Atlantic forest tree frog
- Atlantic forest treefrog
- Atlantic Ghost Crab
- Atlantic goldeneye tilefish
- Atlantic goliath grouper
- Atlantic Grey Cowry
- Atlantic Hairback Fiddler Crab
- Atlantic helicopter
- Atlantic Humming Frog
- Atlantic Kitten's Paw
- Atlantic knifefish
- Atlantic lizardfish
- Atlantic lobefin dogfish
- Atlantic Long-spined Sea Urchin
- Atlantic Longarm Octopus
- Atlantic Mangrove Fiddler Crab
- Atlantic Mangrove Ghost Crab
- Atlantic manta ray
- Atlantic midshipman
- Atlantic moonfish
- Atlantic Morum
- Atlantic Mud-piddock
- Atlantic needlefish
- Atlantic Papermussel
- Atlantic Partridge Tun Snail
- Atlantic Pearl Oyster
- Atlantic pelagic basslet
- Atlantic Petrel
- Atlantic Petricolid
- Atlantic piquitinga
- Atlantic Plain-xenops
- Atlantic pomfret
- Atlantic pygmy devil ray
- Atlantic pygmy skate
- Atlantic ridley
- Atlantic Rock-boring Urchin
- Atlantic Roughy
- Atlantic Royal-flycatcher
- Atlantic rubyfish
- Atlantic sabretooth
- Atlantic sabretooth anchovy
- Atlantic sailfish
- Atlantic saury
- Atlantic Sea Plumes
- Atlantic Sea Pork
- Atlantic seabob
- Atlantic sharpnose shark
- Atlantic spadefish
- Atlantic Spotted Dolphin
- Atlantic strawberry cockle
- Atlantic Thorny Oyster
- Atlantic thread herring
- Atlantic torpedo
- Atlantic Triton Snail
- Atlantic Water Rat
- Atlantic White Hoof Snail
- Atlantic white marlin
- Atlantic White-spotted Octopus
- Atlantic White-Tern
- Atlantic Winged Oyster
- Atlantic Yellow Cowrie
- Atlas Ground Snake
- Atnius Groundstreak
- Atrato glass frog
- Atrato slider
- Atropos Roach
- Attenborough's robber frog
- Attenuate Sylph
- Attenuated Date Mussel
- Attenuated spider fish
- Attila
- Atuen Antpitta
- Atys Hairstreak
- Auda Hairstreak
- Audubon's Shearwater
- Auger shell
- Auginus Longtail
- August's Bluebloom Tarantula
- Aulestes Doctor
- Aura Hairstreak
- Aurelius Skipper
- Aureola Leafwing
- Auricled Darner
- Aurora Morpho
- Austin's Aguna
- Austin's Mylon
- Austral Blackbird
- Austral Canastero
- Austral cod
- Austral lightfish
- Austral Negrito
- Austral Oldfield Mouse
- Austral Parakeet
- Austral Pygmy-Owl
- Austral Rail
- Austral Saddlebags
- Austral Thrush
- Austromendocino Tree Iguana
- Autumna Skipper
- Auxo Bent-Skipper
- Auyantepui bush toad
- Auyantepui carrying frog
- Auyantepui Rain Frog
- Avanavero cory
- Avelino's Smooth Horned Frog
- Avian Vampire Fly
- Avocado seed moth
- Avocet
- Awa dog-faced bat
- Awa rocket frog
- Awajun salamander
- Axelrod's Moenkhausia
- Axelrod's tube-snouted ghost knifefish
- Ayacucho Andes Frog
- Ayacucho Antpitta
- Ayacucho marsupial frog
- Ayacucho Thistletail
- Ayala's Anole
- Ayampe poison frog
- Ayanganna rocket frog
- Ayanganna Stefania
- Ayarzaguena's frog
- Ayarzaguena's treefrog
- Ayerbes' snail-eater
- Aymaran Metalmark
- Azara's Agouti
- Azara’s granulated toad
- Azara's Grass Mouse
- Azara's Night Monkey
- Azara's Rice Rat
- Azara's Spinetail
- Azaria Hairstreak
- Azeca banner
- Azeta Skipper
- Azin Skipper
- Aziza Firetip
- Aztec mastiff bat
- Aztec Spur-throated Grasshopper
- Azteca ant
- Azuay marsupial frog
- Azuay stubfoot toad
- Azul poison frog
- Azul Rapids frog
- Azure Dancer
- Azure Gallinule
- Azure Jay
- Azure parrotfish
- Azure Vase Sponge
- Azure-naped Jay
- Azure-shouldered Tanager
- Azure-winged eurybia
- Bacis Hairstreak
- Backspot flyingfish
- Backswimmer
- Backwaters silverside
- Badeta Hairstreak
- Badia Bent-Skipper
- Baer's Bumble Bee
- Baer's Melipona
- Bagrecito frog
- Bagworm
- Bahaman Snapping Shrimp
- Bahia Antwren
- Bahia Caecilian
- Bahia Colobosaura
- Bahia cory
- Bahia dwarf frog
- Bahia Forest Frog
- Bahia heart-tongued frog
- Bahia Lightbulb Anemone
- Bahia lime treefrog
- Bahia Purple Red Tarantula
- Bahia Scarlet Birdeater
- Bahia Skipper
- Bahia snouted treefrog
- Bahia Spinetail
- Bahia spinythumb frog
- Bahia sprat
- Bahia Tapaculo
- Bahia Tyrannulet
- Bahia Wagtail-Tyrant
- Bahia Worm Lizard
- Bahia Yellow Frog
- Bahia's broad-snout casque-headed tree frog
- Bahian aphilodon
- Bahian Hairy Dwarf Porcupine
- Bahian Nighthawk
- Bahian Sand Dune Lizard
- Bailey's blind snake
- Bailey's Brazillian tree frog
- Baird's Flycatcher
- Baird's Sandpiper
- Baja California Cerith
- Baja California Christmas Tree Worm
- Baja California keeltail needlefish
- Baker's long-tongued bat
- Baker's myotis
- Baker's tent-making bat
- Baker's yellow-shouldered bat
- Balao halfbeak
- Balbo sabretooth
- Bald Parrot
- Bald-legged spider
- Baldias harlequin toad
- Baleen whale
- Balloon worm
- Ballyhoo halfbeak
- Baltic Isopod
- Baltimore Oriole
- Balzapata snouted treefrog
- Balzapata tree frog
- Bamboo Antshrike
- Bamboo coral
- Bamboo Rain-Peeper
- Bamboo rat
- Bamboo tyrant
- Bamboo worm
- Bana Skipper
- Banana Cockroach
- Banana moth
- Banana Stowaway
- Banana tree dwelling frog
- Bananal Antbird
- Bananaquit
- Bananeiras heart-tongued frog
- Band cusk-eel
- Band-backed Wren
- Band-bellied Owl
- Band-celled Sister
- Band-rumped Storm-Petrel
- Band-rumped Swift
- Band-spotted Skipper
- Band-tailed Antbird
- Band-tailed Antshrike
- Band-tailed Antwren
- Band-tailed Barbthroat
- Band-tailed Cacique
- Band-tailed Earthcreeper
- Band-tailed Fruiteater
- Band-tailed Guan
- Band-tailed Manakin
- Band-tailed Nighthawk
- Band-tailed Pigeon
- Band-tailed Seedeater
- Band-tailed Sierra Finch
- Band-winged Dragonlet
- Band-winged Nightjar
- Bandaged Satyr
- Banded acara
- Banded Anole
- Banded Antbird
- Banded Argiope
- Banded astyanax
- Banded banjo
- Banded basslet
- Banded blenny
- Banded butterflyfish
- Banded Cat-eyed Snake
- Banded Centipede Snake
- Banded cichlid
- Banded cleaner goby
- Banded clinging crab
- Banded Cone
- Banded Coral Shrimp
- Banded corydoras
- Banded Cotinga
- Banded croaker
- Banded Cucumber Beetle
- Banded cusk eel
- Banded Cycadian
- Banded driftfish
- Banded flyingfish
- Banded Galapagos Snake
- Banded Galliwasp
- Banded Ground Snake
- Banded Ground-Cuckoo
- Banded horned treefrog
- Banded jawfish
- Banded knifefish
- Banded Lady
- Banded leporinus
- Banded Mapwing
- Banded Orange Heliconian
- Banded Owl-Butterfly
- Banded Pampas Snake
- Banded Pancake Pleco
- Banded Peacock
- Banded pipefish
- Banded porcelain crab
- Banded puffer
- Banded pyrrhulina
- Banded Robber Frog
- Banded rudderfish
- Banded Sphinx
- Banded stargazer
- Banded Tigerwing
- Banded toadfish
- Banded Tree Anole
- Banded Tube-dwelling Anemone
- Banded whiptail
- Banded wood frog
- Banded worm goby
- Banded wrasse
- Banded Yellow
- Banded yellowfish
- Banded-arm Brittle Star
- Banded-limb glassfrog
- Bandedtail goby
- Bandeira button frog
- Bandeirantes snouted treefrog
- Bandtail frogfish
- Bandtail puffer
- Bandtail searobin
- Bandtail tetra
- Bandtooth conger
- Bandwing flyingfish
- Bang-Haas' Satyr
- Banhado frog
- Banjo catfish
- Banner Metalmark
- Bannertail catfish
- Bar jack
- Bar-bellied Woodcreeper
- Bar-bellied Woodpecker
- Bar-breasted Piculet
- Bar-crested Antshrike
- Bar-sided Darner
- Bar-winged Wood Wren
- Barbados Keyhole Limpet
- Barbara Brown's Brush-tailed Rat
- Barbara's Skipper
- Barbate dragonfish
- Barbedwire-tailed skate
- Barbel drum
- Barbel flyingfish
- Barber goby
- Barber surgeonfish
- Barber's Giant Mealybug
- Barbet
- Barbfish
- Barbless dragonfish
- Barbour's Bachia
- Barbour's Clawed Gecko
- Barbour's worm lizard
- Barbtail
- Barbthroat
- Barbu
- Barbulifer
- Barce Metalmark
- Bare Arcas
- Bare-crowned Antbird
- Bare-eye
- Bare-eyed Antbird
- Bare-eyed Ground Dove
- Bare-eyed Pigeon
- Bare-faced Curassow
- Bare-faced Ground Dove
- Bare-faced Ibis
- Bare-necked Fruitcrow
- Bare-shanked Screech-Owl
- Bare-tailed Tree-rat
- Bare-tailed Woolly Mouse Opossum
- Bare-tailed Woolly Opossum
- Bare-throated Bellbird
- Bare-throated Tiger-Heron
- Bareye Hermit
- Barfin blenny
- Barfin goby
- Bark Anole
- Bark beetle
- Bark scorpion
- Barker frog
- Barking Robber Frog
- Barn Swallow
- Barnacle Scale
- Barnaclebill blenny
- Barnard's lanternfish
- Barnes' lanternfish
- Barnes' Metalmark
- Barnes's Sister
- Barnett's Lancehead
- Baron's Green Racer
- Baron's Rice Rat
- Baron's Skipper
- Barquez's myotis
- Barra do Garças snouted tree frog
- Barracón tree frog
- Barracudina
- Barred Antshrike
- Barred Antthrush
- Barred Becard
- Barred cardinalfish
- Barred clingfish
- Barred flagtail
- Barred Forest-Falcon
- Barred Fruiteater
- Barred glass tetra
- Barred grunt
- Barred hamlet
- Barred Hawk
- Barred hemiodus
- Barred knifefish
- Barred Parakeet
- Barred pencilfish
- Barred pipefish
- Barred Puffbird
- Barred searobin
- Barred serrano
- Barred sorubim
- Barred Tinamou
- Barred woodcreeper
- Barred Yellow
- Barredtail corydoras
- Barredtail pearlfish
- Barrel sponge
- Barrel-eye
- Barriga's Rainfrog
- Barrigona Tetra
- Barrington Leaf-toed Gecko
- Barrio's Frog
- Barro Branco treefrog
- Barron's Skipper
- Barsnout goby
- Bartail goby
- Bartail jawfish
- Bartlett's Tinamou
- Base-line Hairstreak
- Basecamp giant glass frog
- Bashful Rainfrog
- Basilica Orbweaver
- Basin Ground Snake
- Basin treefrog
- Basin white-lipped frog
- Basin worm snake
- Basket rock sea cucumber
- Basket shrimp
- Basket star
- Basketstar shrimp
- Basketwork eel
- Basoches Ruby-eye
- Bass tetra
- Bassler's Firetip
- Bassler's Humming Frog
- Basslet
- Bat eagle ray
- Bat Falcon
- Bat fly
- Batallon Robber Frog
- Bates' Hairstreak
- Bates' Kite-Swallowtail
- Bates' sabretooth anchovy
- Bates' Sister
- Bates's Olivewing
- Batfish
- Bath Sponges
- Bathory Hairstreak
- Bathurst Burr Seed Fly
- Battersby's Dwarf Boa
- Battersby's treefrog
- Baturité Porcupine
- Batwing Coral Crab
- Baudo Guan
- Baudo Oropendola
- Baumann's Chromodorid
- Baumann's tree toad
- Baumgardner's snouted treefrog
- Baur's Leaf-toed Gecko
- Bay Antpitta
- Bay Barnacle
- Bay whiff
- Bay Wren
- Bay-breasted Warbler
- Bay-capped Wren-spinetail
- Bay-chested Warbling Finch
- Bay-crowned Brushfinch
- Bay-headed Tanager
- Bay-ringed Tyrannulet
- Bay-vented Cotinga
- Baywing
- Beach flea
- Beach flounder
- Beach Mole Crab
- Beach silverside
- Beaded Mud Crab
- Beaded Periwinkle
- Beaded Sea Cucumber
- Beaded Venus
- Beaked Blackhead
- Beaked salmon
- Beaked toad
- Beaked whale
- Bean Looper
- Bean Weevil
- Bean-leaf Webworm Moth
- Bean's bigscale
- Bean's searobin
- Bearded banded croaker
- Bearded Bellbird
- Bearded brotula
- Bearded Capuchin
- Bearded catfish
- Bearded Emperor Tamarin
- Bearded Fireworm
- Bearded goby
- Bearded Guan
- Bearded Hoof Shell
- Bearded Mountaineer
- Bearded puffer
- Bearded saki
- Bearded Tachuri
- Bearded Weevil
- Beardfish
- Beardless codling
- Beardless tyrannulet
- Bearse's Robber Frog
- Beatrix Leafwing
- Beaubrummel
- Beaugregory
- Beautiful Ark
- Beautiful Cosmopterix Moth
- Beautiful Hoary-Skipper
- Beautiful Jay
- Beautiful lizard
- Beautiful Marathyssa Moth
- Beautiful Pseudopyrausta
- Beautiful Truncatella
- Beautiful Wave
- Beautiful Wireworm
- Beautiful Woodpecker
- Beautiful-eyes glassfrog
- Beauty butterfly
- Becard
- Beck's volute
- Bee fly
- Beebe's Fiddler Crab
- Beebe's rocket frog
- Beelzebub bee-killer
- Beggina Skipper
- Behn's big-eared bat
- Bela vista tree frog
- Belcher's Gull
- Belgica's hydroid
- Bell glass frog
- Bell hydroid
- Bell-banded Theope
- Bell's Anole
- Bell's Longtail
- Bell's Rainfrog
- Bella Mapwing
- Bellbird
- Bellera Groundstreak
- Bellicose Bumble Bee
- Bello rocket frog
- Bellona metalmark
- Belly-speckled Robber Frog
- Bellyspotted toothcarp
- Belo Horizonte tree toad
- Belt's Myscelus
- Belted blenny
- Belted cardinalfish
- Belted Kingfisher
- Belted Tripudia Moth
- Belus Swallowtail
- Ben Keith's short-tailed bat
- Beni Anaconda
- Benitez's treefrog
- Bennett's Chinchilla Rat
- Bennett's flyingfish
- Bennett's Orchid Bee
- Bennett's sharpnose puffer
- Bent Sea Rod
- Bent-winged Owlet
- Bentbill
- Benttooth bristlemouth
- Berger's glass frog
- Berland's Trashline Orbweaver
- Berlepsch's Canastero
- Berlepsch's Tinamou
- Bermuda Cone
- Bermuda lantern fish
- Bermuda sea chub
- Bermudagrass Leafhopper
- Berryeater
- Bertelsen's lanternfish
- Bertha's treefrog
- Berthold's Bush Anole
- Berthold's Worm Lizard
- Bertin's Sanguin
- Bertoni's Antbird
- Beryl-spangled Tanager
- Besudo sea catfish
- Betanien Earth Snake
- Bev Ridgely's Snail-Eater
- Bezerros Climbing Rat
- Bi-colored leaf frog
- Biara
- Bibron's False Coral Snake
- Bibron's Iguana
- Bibron's Tree Iguana
- Bibron's Whiptail
- Bicolor basslet
- Bicolor damselfish
- Bicolor eel
- Bicolor false moray
- Bicolor Mussel
- Bicolor-spined Porcupine
- Bicolored Antbird
- Bicolored Antpitta
- Bicolored Antvireo
- Bicolored Bird-dropping Moth
- Bicolored Cellophane Bee
- Bicolored Conebill
- Bicolored Hawk
- Bicolored Pyrausta Moth
- Bicolored Tuco-tuco
- Bicolored Wren
- Bicuspis Skipper
- Bidau's Tuco-tuco
- Bidentate yellow-eared bat
- Bidentate yellow-shouldered bat
- Bifurcate Flat
- Bifurcated robber frog
- Big bonneted bat
- Big brown bat
- Big Claw Purple Hermit Crab
- Big crested mastiff bat
- Big eye chimaera
- Big free-tailed bat
- Big Jawed Sawyer
- Big Lutrine Opossum
- Big naked-backed bat
- Big red bat
- Big Spot Peckoltia
- Big White Spot Pleco
- Big-eared bat
- Big-eared brown bat
- Big-eared mouse
- Big-eared river frog
- Big-eye anchovy
- Big-eye slender-legged treefrog
- Big-eyed bat
- Big-eyed Robber Frog
- Big-headed Amazon River turtle
- Big-headed pantanal swamp turtle
- Big-headed Rainfrog
- Big-headed Rice Rat
- Big-scale pomfret
- Big-scaled Anole
- Big-scaled blind snake
- Big-scaled Neusticurus
- Big-spotted Scarlet-eye
- Bigbarb dragonfish
- Bigbelly sea catfish
- Bigclaw River Shrimp
- Bigeye
- Bigeye bass
- Bigeye cichlid
- Bigeye cigarfish
- Bigeye flounder
- Bigeye grenadier
- Bigeye mojarra
- Bigeye sand tiger shark
- Bigeye scad
- Bigeye searobin
- Bigeye smooth-head
- Bigeye soldierfish
- Bigeye squaretail
- Bigeye stardrum
- Bigeye stargazer
- Bigeye thresher
- Bigeye trevally
- Bigeye tuna
- Bigfin anchovy
- Bigfin pearleye
- Bighead cusk eel
- Bighead grenadier
- Bighead portholefish
- Bighead sand perch
- Bighead tilefish
- Bigheaded robber frog
- Bigmouth sanddab
- Bigmouth sleeper
- Bigmouth stardrum
- Bignose conger
- Bignose fanskate
- Bignose Ground Snake
- Bignose shark
- Bignose unicornfish
- Bigscale
- Bigscale anchovy
- Bigscale deepsea smelt
- Bigscale goatfish
- Bigtooth cardinalfish
- Bigtooth corvina
- Bigtooth river stingray
- Bigwing halfbeak
- Bilaminar microporella
- Billfish
- Bilobed Looper Moth
- Bilsa white-chested frog
- Bilunate Cockroach
- Binocular fish
- Biophot Penelfin
- Bipinnate Sea Plume
- Bird-voiced white-lipped frog
- Birdbeak dogfish
- Birri Eyelash-Pitviper
- Bischoff's treefrog
- Biscutate Swift
- Bisexual Mussel
- Bishop's Slender Opossum
- Bishop's toad
- Bistrigula Skipper
- Bitias Hairstreak
- Biting Fiddler Crab
- Bittern
- Black acara
- Black Agouti
- Black and White Crinoid
- Black Antbird
- Black Antshrike
- Black armoured searobin
- Black arowana
- Black austral small carpenter bee
- Black Ball Sponge
- Black band catfish
- Black barnacle blenny
- Black Bearded Saki
- Black Bee-Killer
- Black blenny
- Black Blind Snake
- Black bonneted bat
- Black brotula
- Black Bushbird
- Black Caecilian
- Black caiman
- Black Cajas harlequin frog
- Black Caracara
- Black catfish
- Black Centipede Snake
- Black Chicken Snake
- Black Compact Carpenter Ant
- Black coral
- Black Curassow
- Black curbinata
- Black cusk-eel
- Black Dasher
- Black dogfish
- Black dragonfish
- Black drum
- Black False Boa
- Black fathead
- Black Flowerpiercer
- Black Four-eyed Opossum
- Black gemfish
- Black ghost knifefish
- Black gill stardrum
- Black Ground Snake
- Black grouper
- Black grunt
- Black Hairstreak
- Black Hairy-Woodborer
- Black Halloween Snake
- Black hamlet
- Black hawk
- Black Hawk-Eagle
- Black imported fire ant
- Black Inca
- Black jack
- Black Jacobin
- Black lantern fish
- Black Lava Lizard
- Black Lion Tamarin
- Black lizard
- Black lizardfish
- Black Mabuya
- Black Manakin
- Black margate
- Black marlin
- Black Metaltail
- Black Morph Cyphoma
- Black morpho tetra
- Black Narrow-Mouthed Frog
- Black neon tetra
- Black Noddy
- Black Nunbird
- Black Oropendola
- Black Penestola Moth
- Black phantom tetra
- Black Phoebe
- Black pin cichlid
- Black Pinnacle Sponge
- Black planaxis
- Black Pondhawk
- Black prochilodus
- Black Rail
- Black sea urchin
- Black serrivomerid eel
- Black Siskin
- Black Skimmer
- Black skipjack
- Black snaggletooth
- Black snake mackerel
- Black snapper
- Black snook
- Black soldier fly
- Black Solitaire
- Black southern cod
- Black Spider Monkey
- Black spine-necked swamp turtle
- Black Spiny Brittle Star
- Black spiny-chest frog
- Black spot piranha
- Black Spotted Orinoco-Ancistrus
- Black stardrum
- Black Starry Sea Urchin
- Black Stink Bug
- Black Storm-Petrel
- Black Stripe Tetra
- Black swallower
- Black Swallowtail
- Black Swift
- Black Tern
- Black tetra
- Black Tinamou
- Black Toro
- Black Tree Iguana
- Black triggerfish
- Black Tunicate
- Black urchin shrimp
- Black Vulture
- Black warrior
- Black Water Frog
- Black wing flyingfish
- Black Wing Pleco
- Black wire coral
- Black witch moth
- Black wolf-fish
- Black wrasse
- Black-and-chestnut Eagle
- Black-and-chestnut Warbling Finch
- Black-and-gold Cotinga
- Black-and-gold Howler
- Black-and-gold Tanager
- Black-and-green Corynura
- Black-and-rufous Warbling Finch
- Black-and-tawny Seedeater
- Black-and-white Antbird
- Black-and-white Becard
- Black-and-white Hawk-Eagle
- Black-and-white Monjita
- Black-and-white Owl
- Black-and-white Seedeater
- Black-and-white snail-eating snake
- Black-and-white Tanager
- Black-and-white Tody-flycatcher
- Black-and-white Treehopper
- Black-and-white Warbler
- Black-and-yellow Tanager
- Black-backed Antshrike
- Black-backed Bush Tanager
- Black-backed Grosbeak
- Black-backed Tanager
- Black-backed Thornbill
- Black-backed Tody-flycatcher
- Black-backed Tuco-tuco
- Black-backed Water Tyrant
- Black-banded Bannerwing
- Black-banded Crake
- Black-banded Owl
- Black-banded Robber Frog
- Black-banded Wasp Moth
- Black-banded Woodcreeper
- Black-bellied Anteros
- Black-bellied Antwren
- Black-bellied Cuckoo
- Black-bellied Gnateater
- Black-bellied Plover
- Black-bellied Seedeater
- Black-bellied Storm-Petrel
- Black-bellied Thorntail
- Black-bellied Whistling-Duck
- Black-bellied Wren
- Black-belly dragonfish
- Black-billed Cnemoscopus
- Black-billed Cuckoo
- Black-billed Flycatcher
- Black-billed Mountain-Toucan
- Black-billed Peppershrike
- Black-billed Scythebill
- Black-billed Seed Finch
- Black-billed Shrike-tyrant
- Black-billed Thrush
- Black-billed Treehunter
- Black-bodied Woodpecker
- Black-bordered Crescent
- Black-bordered Lemon Moth
- Black-breasted Gnateater
- Black-breasted Hillstar
- Black-breasted Puffbird
- Black-breasted Puffleg
- Black-browed Albatross
- Black-capped Antwren
- Black-capped Becard
- Black-capped Donacobius
- Black-capped Foliage-gleaner
- Black-capped Hemispingus
- Black-capped Parakeet
- Black-capped Petrel
- Black-capped Piprites
- Black-capped Pygmy-tyrant
- Black-capped Screech-Owl
- Black-capped Sparrow
- Black-capped Squirrel Monkey
- Black-capped Tanager
- Black-capped Tinamou
- Black-capped Tyrannulet
- Black-capped Warbling Finch
- Black-cheek goby
- Black-cheeked Gnateater
- Black-cheeked Woodpecker
- Black-chested Buzzard-Eagle
- Black-chested Fruiteater
- Black-chested Jay
- Black-chested Mountain Tanager
- Black-chested Tyrant
- Black-chinned Antbird
- Black-chinned Emperor Tamarin
- Black-chinned Mountain Tanager
- Black-chinned Siskin
- Black-collared Green Lizard
- Black-collared Hawk
- Black-collared Jay
- Black-collared Snake
- Black-collared Swallow
- Black-cowled Saltator
- Black-crested Antshrike
- Black-crested Finch
- Black-crested Tit-tyrant
- Black-crested Warbler
- Black-crowned Antpitta
- Black-crowned Antshrike
- Black-crowned Dwarf Marmoset
- Black-crowned Monjita
- Black-crowned Night-Heron
- Black-crowned Tityra
- Black-dot Diatraea
- Black-dotted Hemeroplanis Moth
- Black-dotted Ruddy Moth
- Black-dotted Skipper
- Black-eared Fairy
- Black-eared Hemispingus
- Black-eyed monkey frog
- Black-eyed yellow bristlenose
- Black-faced Antbird
- Black-faced Antthrush
- Black-faced Cotinga
- Black-faced Dacnis
- Black-faced Grassquit
- Black-faced Hawk
- Black-faced Ibis
- Black-faced Lion Tamarin
- Black-faced Tanager
- Black-flanked poison frog
- Black-flanked treefrog
- Black-footed Pygmy Rice Rat
- Black-fronted Brushfinch
- Black-fronted Ground-tyrant
- Black-fronted Nunbird
- Black-fronted Piping-Guan
- Black-fronted Titi
- Black-fronted Tyrannulet
- Black-fronted Wood-Quail
- Black-girdled Barbet
- Black-goggled Tanager
- Black-green smooth-throated lizard
- Black-headed Antbird
- Black-headed Antthrush
- Black-headed Berryeater
- Black-headed Brushfinch
- Black-headed Coral Snake
- Black-headed Duck
- Black-headed Firetip
- Black-headed Ground Snake
- Black-headed Hemispingus
- Black-headed Marmoset
- Black-headed Night Monkey
- Black-headed Parrot
- Black-headed Snake
- Black-headed Squirrel Monkey
- Black-headed Tanager
- Black-headed Tody-flycatcher
- Black-headed worm lizard
- Black-hooded Antthrush
- Black-hooded Antwren
- Black-hooded Sierra Finch
- Black-hooded Sunbeam
- Black-hooded Tanager
- Black-hooded Thrush
- Black-horned Capuchin
- Black-jacket tetra
- Black-legged Dacnis
- Black-legged Darner
- Black-legged poison dart frog
- Black-legged Seriema
- Black-lined Carpenterworm Moth
- Black-lined Toadhead Turtle
- Black-lored Yellowthroat
- Black-mantled Tamarin
- Black-marked Robber Frog
- Black-masked Finch
- Black-necked Aracari
- Black-necked Red-cotinga
- Black-necked Stilt
- Black-necked Swan
- Black-necked Woodpecker
- Black-olive Caterpillar Moth
- Black-patch bluemark
- Black-patched Glaphyria Moth
- Black-pored snake-eel
- Black-rib Limpet
- Black-rumped Agouti
- Black-shouldered Opossum
- Black-spectacled Brushfinch
- Black-spined Atlantic Tree-rat
- Black-spot Hairstreak
- Black-spot Remella
- Black-spotted Barbet
- Black-spotted Bare-eye
- Black-spotted casque-headed treefrog
- Black-spotted cowrie
- Black-spotted Feather Duster
- Black-spotted Schrankia
- Black-spotted Sea Goddess
- Black-Spotted Skink
- Black-spotted smooth-throated lizard
- Black-spotted Whorltail Iguana
- Black-streaked Puffbird
- Black-striped Beamer
- Black-striped Orchid Bee
- Black-striped salema
- Black-striped Sparrow
- Black-striped Woodcreeper
- Black-tail Linyphiid
- Black-tailed Antbird
- Black-tailed Flycatcher
- Black-tailed Leaftosser
- Black-tailed Longhorn
- Black-tailed Marmoset
- Black-tailed Mini-Oil digger
- Black-tailed Porcupine
- Black-tailed Tityra
- Black-tailed Trainbearer
- Black-tailed Trogon
- Black-thighed Puffleg
- Black-throated Antbird
- Black-throated Antshrike
- Black-throated Blue Warbler
- Black-throated Brilliant
- Black-throated Flowerpiercer
- Black-throated Green Warbler
- Black-throated Grosbeak
- Black-throated Hermit
- Black-throated Huet-huet
- Black-throated Mango
- Black-throated Saltator
- Black-throated Spinetail
- Black-throated Thistletail
- Black-throated Tody-tyrant
- Black-throated toucanet
- Black-throated Treesnail
- Black-tipped Cotinga
- Black-tipped Ptichodis Moth
- Black-tipped Stripe-streak
- Black-top Mouse Catfish
- Black-topped Euselasia
- Black-tufted-ear Marmoset
- Black-tyrant
- Black-veined Brangas
- Black-veined Firetip
- Black-veined Hairstreak
- Black-veined Yellow
- Black-velvet Leatherleaf
- Black-vented Ground Snake
- Black-whiskered Vireo
- Black-winged Dragonlet
- Black-winged Ground Dove
- Black-winged Parrot
- Black-winged Saltator
- Blackback Land Crab
- Blackback silverside
- Blackbar drum
- Blackbar soldierfish
- Blackbelly Ground Snake
- Blackbelly rosefish
- Blackbelly skate
- Blackberry Drupe
- Blackblotch pompano
- Blackburn's anchovy
- Blackburnian Warbler
- Blackcap basslet
- Blackcheek blenny
- Blackcheek tonguefish
- Blackchin blacksmelt
- Blackear bass
- Blackear cusk-eel
- Blackear wrasse
- Blackedge cusk-eel
- Blackedge tetra
- Blackedge triplefin
- Blackfin blenny
- Blackfin cardinalfish
- Blackfin croaker
- Blackfin goosefish
- Blackfin grenadier
- Blackfin jack
- Blackfin pearlfish
- Blackfin snapper
- Blackfin snook
- Blackfin soapfish
- Blackfin sorcerer
- Blackfin spiderfish
- Blackfin tuna
- Blackfin waryfish
- Blackfinned clingfish
- Blackfinned Rubbernose Pleco
- Blackfinned toothcarp
- Blackflash ribbonfish
- Blackfly
- Blackhead blenny
- Blackhead lanternfish
- Blackish Antbird
- Blackish Cellophane Bee
- Blackish Chat-Tyrant
- Blackish Cinclodes
- Blackish Grass Mouse
- Blackish Hairy Dwarf Porcupine
- Blackish Nightjar
- Blackish Oystercatcher
- Blackish Pewee
- Blackish Rail
- Blackish Shrew-opossum
- Blackish skate
- Blackish Tapaculo
- Blackish-blue Seedeater
- Blackish-gray Antshrike
- Blackish-headed Spinetail
- Blackline myleus
- Blackline penguinfish
- Blackline tetra
- Blackline tilefish
- Blacklipped pike cichlid
- Blackmouth bass
- Blackmouth eelpout
- Blackmouth pyrrhulina
- Blacknose shark
- Blacknosed butterflyfish
- Blackpoint sculling crab
- Blackpoll Warbler
- Blacksmith Thrush
- Blacksmith tree frog
- Blackspot porgy
- Blackspot wrasse
- Blackspotted grenadier
- Blackspotted puffer
- Blackspotted snake eel
- Blackstripe clingfish
- Blackstripe corydoras
- Blackstripe pencilfish
- Blackstripe tonguefish
- Blackstriped dwarf cichlid
- Blacktail pikeconger
- Blacktip cardinalfish
- Blacktip shark
- Blacktop corydoras
- Blackwater cory
- Blackwing hatchetfish
- Bladder Snails
- Blade Fire Coral
- Blainville's Beaked Whale
- Blair's snouted treefrog
- Blake's Anadia
- Blanca's Entheus
- Blancas' Skipper
- Blanchard's Skipperling
- Blanda Skipper
- Blanquilla Whiptail
- Blaze-winged Parakeet
- Blazed cory
- Bleeding Teeth Bryozoan
- Bleeding Tooth Nerite
- Bleeding-heart tetra
- Blemished Anole
- Blended Rainfrog
- Blenny
- Blessed poison frog
- Blind catfish
- Blind Eighty-eight
- Blind Eurybia
- Blind Purplewing
- Blind Skipper
- Blind Small-eared Shrew
- Blind snake
- Blind tetra
- Blind Underleaf Butterfly
- Blinkard croaker
- Blister anemone
- Blister beetle
- Blizzard Cactus Pleco
- Bloch's catfish
- Blomberg's Tree Boa
- Blomfild's Beauty
- Blond Capuchin
- Blond Titi
- Blond-crested Woodpecker
- Blood Ark
- Blood Rain Frog
- Blood Red Skipper
- Blood-colored Woodpecker
- Bloodfin Bulldog Pleco
- Bloodfin tetra
- Bloodfinned dwarf cichlid
- Bloodgill dwarf cichlid
- Bloodworm
- Bloody bay poison frog
- Bloody frogfish
- Bloody Ground Snake
- Blossomcrown
- Blotchbelly Anole
- Blotchcheek goby
- Blotched Diaulula
- Blotched Leopard Moth
- Blotched sand skate
- Blotched stingray
- Blotched Swimming Crab
- Blotcheye soldierfish
- Blowfly
- Blue acara
- Blue and gold snapper
- Blue and Orange Tortoise Beetle
- Blue anole
- Blue antimora
- Blue bobo
- Blue butterfly
- Blue Button
- Blue chromis
- Blue corydoras
- Blue cotinga
- Blue crab
- Blue croaker
- Blue crust coral
- Blue Dacnis
- Blue Dentate Moss Animal
- Blue dewlap anole
- Blue Diamond
- Blue discus
- Blue dwarf cichlid
- Blue fathead
- Blue fin thresher pleco
- Blue Finch
- Blue Ground Dove
- Blue Land Crab
- Blue mussel
- Blue panaque
- Blue parrotfish
- Blue peacock bass
- Blue Petrel
- Blue phantom pleco
- Blue Pondhawk
- Blue Rainbow lizard
- Blue runner
- Blue Scarlet-eye
- Blue sea dragon
- Blue Sea Star
- Blue shark
- Blue shrimp
- Blue tetra
- Blue Tree Iguana
- Blue Tube Sponge
- Blue-and-black Tanager
- Blue-and-gold Tanager
- Blue-and-orange eighty-eight
- Blue-and-white Swallow
- Blue-and-yellow Tanager
- Blue-backed Conebill
- Blue-backed manakin
- Blue-backed Tanager
- Blue-banded Metalmark
- Blue-banded Toucanet
- Blue-barred parrotfish
- Blue-based Skipper
- Blue-based Theope
- Blue-bearded Helmetcrest
- Blue-bellied Parrot
- Blue-billed black-tyrant
- Blue-billed Curassow
- Blue-billed White-Tern
- Blue-black Grassquit
- Blue-black Grosbeak
- Blue-breasted poison frog
- Blue-browed Tanager
- Blue-capped manakin
- Blue-capped Puffleg
- Blue-capped Tanager
- Blue-cheek dwarf cichlid
- Blue-cheeked Amazon
- Blue-cheeked Jacamar
- Blue-chested Hummingbird
- Blue-chinned Sapphire
- Blue-crowned Parakeet
- Blue-crowned Trogon
- Blue-eye catfish
- Blue-eye Hermit
- Blue-eye panaque
- Blue-eyed Ground Dove
- Blue-eyed red-fin pleco
- Blue-eyed Setwing
- Blue-faced Darner
- Blue-fang Skeleton Tarantula
- Blue-fronted Lancebill
- Blue-fronted Parrotlet
- Blue-frosted Banner
- Blue-glossed Skipper
- Blue-gray Satyr
- Blue-gray tanager
- Blue-Green Smooth-throated Lizard
- Blue-grey Skimmer
- Blue-haired Skipper
- Blue-headed Macaw
- Blue-headed Parrot
- Blue-headed Sapphire
- Blue-headed wood lizard
- Blue-lead Skipper
- Blue-Legged Centipede
- Blue-legged Hermit Crab
- Blue-Lipped Tree Lizard
- Blue-lored antbird
- Blue-mantled Thornbill
- Blue-naped Chlorophonia
- Blue-necked Tanager
- Blue-patched Zera
- Blue-rayed Metalmark
- Blue-rumped manakin
- Blue-spotted barnacle blenny
- Blue-spotted basslet
- Blue-spotted Comet Darner
- Blue-spotted Hairstreak
- Blue-spotted Rainfrog
- Blue-spotted toad
- Blue-spotted wood lizard
- Blue-stained Metalmark
- Blue-striped Spreadwing
- Blue-studded Metalmark
- Blue-studded Skipper
- Blue-tailed Cellophane Bee
- Blue-tailed Emerald
- Blue-tailed Mini-Oil digger
- Blue-tailed Skimmer
- Blue-tailed Trogon
- Blue-throated Goldentail
- Blue-throated Hillstar
- Blue-throated Macaw
- Blue-throated Piping-Guan
- Blue-throated Starfrontlet
- Blue-throated toucanet
- Blue-tipped Dasher
- Blue-tipped Helicopter
- Blue-topped Satyr
- Blue-tufted Starthroat
- Blue-washed Metalmark
- Blue-whiskered Tanager
- Blue-winged Eurybia Butterfly
- Blue-winged Helicopter
- Blue-winged Macaw
- Blue-winged Mountain Tanager
- Blue-winged Teal
- Blue-winged Warbler
- Blueband dragonfish
- Bluebanded goby
- Bluebelly poison frog
- Blueberry tetra
- Bluefin driftfish
- Bluefin trevally
- Bluefish
- Bluehead
- Blueleg Snapping Shrimp
- Bluelip hamlet
- Bluelip parrotfish
- Bluenose warehou
- Bluespotted cornetfish
- Bluespotted corydoras
- Bluespotted searobin
- Bluestreak drum
- Bluestripe pipefish
- Bluestriped chub
- Bluestriped grunt
- Bluethroat pikeblenny
- Bluewing Butterfly
- Bluewing searobin
- Bluish Flowerpiercer
- Bluish Longtail
- Bluish Mottled-Skipper
- Bluish Top Shell
- Bluish-fronted Jacamar
- Bluish-grey Saltator
- Bluish-slate antshrike
- Blumenau button frog
- Blunt-eared bat
- Blunt-end Seahare
- Blunt-spined Brittle Star
- Blunt-tentacled Anemone
- Blunt-toothed snake eel
- Blunthead puffer
- Blunthead Tree Snake
- Bluntnose jack
- Bluntnose knifefish
- Bluntnose sixgill shark
- Bluntnose stingray
- Bluntsnout lanternfish
- Bluntsnout smooth-head
- Bluntspine blenny
- Blunttooth swimcrab
- Blurred Bent-Skipper
- Blurred smooth lantern shark
- Blurry Anastrus
- Blurry Skipper
- Blurry-striped Longtail
- Blush Conchylodes Moth
- Blushing Star Coral
- Boa catshark
- Boa dragonfish
- Boa Nova tapaculo
- Boa União heart-tongued frog
- Boada's yellow-shouldered bat
- Boat Ear Moon Snail
- Boat-billed flycatcher
- Boat-billed Heron
- Boat-billed tody-tyrant
- Bob Ridgely's Snail-Eater
- Bob Wisner's hagfish
- Bobo mullet
- Bobolink
- Bobtail eel
- Bobwhite
- Boca do Mato tree frog
- Bocage's rocket frog
- Bocaina dwarf frog
- Bock's Ground Snake
- Boco
- Bocon toadfish
- Bocono Robber Frog
- Bocono rocket frog
- Bocourt's Ameiva
- Bocourt's Dwarf Iguana
- Bocourt's Ground Snake
- Bocourt's Snail-eater
- Boddaert's Tropical Racer
- Boehlke's coralbrotula
- Boehmei's poison arrow frog
- Boeseman's catfish
- Boeseman's snouted treefrog
- Boesman's Tetra
- Boettger's Anole
- Boettger's Caecilian
- Boettger's Colombian treefrog
- Boettger's Kentropyx
- Boettger's Sipo
- Boettger's Whorltail Iguana
- Boga
- Bogert's aquatic tree frog
- Bogert's Shadow Snake
- Bogota Anadia
- Bogotá Fritillary
- Bogotá fruit-eating bat
- Bogota Giant Fishing Spider
- Bogotá Grass Mouse
- Bogota Rail
- Bogota Robber Frog
- Bogota rocket frog
- Bogota stubfoot toad
- Bogotá Tapeti
- Bogota treefrog
- Bogotá yellow-shouldered bat
- Bogotacito Robber Frog
- Bogotensis long-jawed spider
- Bogue lanternfish
- Boicora Coral Snake
- Boie's Frog
- Boisduval's Grass Yellow
- Boisduval's Sulphur
- Bokermann's bromeliad frog
- Bokermann's Caecilian
- Bokermann's casque-headed frog
- Bokermann's casque-headed treefrog
- Bokermann’s dwarf frog
- Bokermann's leaf frog
- Bokermann's lime treefrog
- Bokermann's nectar bat
- Bokermann's Tarauaca treefrog
- Bokermann's treefrog
- Bokermann's tropical bullfrog
- Bola pleco
- Bolas spider
- Bold Mylon
- Bold-spotted Hairstreak
- Bolinopsis comb jelly
- Bolívar bush toad
- Bolivar giant glass frog
- Bolivar Robber Frog
- Bolivar snouted treefrog
- Bolivar Whorltail Iguana
- Bolivia Cichlid
- Bolivian antpitta
- Bolivian Bamboo Rat
- Bolivian Big-eared Mouse
- Bolivian black velvet tarantula
- Bolivian Blackbird
- Bolivian Blackhead
- Bolivian Bleating Frog
- Bolivian blueleg tarantula
- Bolivian Brushfinch
- Bolivian Chinchilla Rat
- Bolivian Cochran frog
- Bolivian coral snake
- Bolivian cory
- Bolivian dwarf beauty tarantula
- Bolivian earthcreeper
- Bolivian Grass Mouse
- Bolivian Lancehead
- Bolivian Lightbulb Lizard
- Bolivian poison-arrow frog
- Bolivian Racer
- Bolivian recurvebill
- Bolivian Red Howler
- Bolivian red rump tarantula
- Bolivian Rice Rat
- Bolivian River Dolphin
- Bolivian Short-tongue
- Bolivian Skipper
- Bolivian Skipperling
- Bolivian slaty-antshrike
- Bolivian Sootywing
- Bolivian spinetail
- Bolivian Squirrel
- Bolivian stubfoot toad
- Bolivian swamp frog
- Bolivian tapaculo
- Bolivian thorny catfish
- Bolivian triad coral snake
- Bolivian Tuco-tuco
- Bolivian tyrannulet
- Bolivian Vesper Mouse
- Bolivian Warbling Finch
- Bolivian White Leg Tarantula
- Bolivian white-lipped frog
- Bolivian Woolly Mouse Opossum
- Bolo mouse
- Bolson Gerbil Mouse
- Bolt Catfish
- Bombardier beetle
- Bomboiza Rain Frog
- Bonaire Anole
- Bonaire Whiptail
- Bonaparte's Parakeet
- Bonarian Leaf-eared Mouse
- Bonda mastiff bat
- Bonefish
- Bonehead cory
- Bonfilus Skipper
- Bonito
- Bonito tree frog
- Bonneted bat
- Bonnethead
- Bonnetmouth
- Bonsai tree hydroid
- Bony-eared assfish
- Booted Racket-tail
- Boqueron Robber Frog
- Boquete rocket frog
- Boraceia button frog
- Boraceia robber frog
- Boraceia tree toad
- Borax Scarlet-eye
- Bordered Patch
- Bordered Wedge-shaped Beetle
- Borderlander harlequin frog
- Boreas Sister
- Borelli's Marked Gecko
- Boring Mussels
- Boring pumpkin sponge
- Boring Sponges
- Borriqueta porgy
- Bos Skipperling
- Boshell's Forest Racer
- Botfly
- Bottle toothcarp
- Bottlelight
- Bottleneck Sea Cucumber
- Bottlenose catfish
- Bottom-spotted Skipper
- Botucatu Smooth-horned Frog
- Botucatu tree frog
- Botumirim tree frog
- Bougainville's celleporella
- Bougainvillea Caterpillar Moth
- Boulder Brain Coral
- Boulder Finch
- Boulder star coral
- Boulenger's Anadia
- Boulenger's Anole
- Boulenger's Backpack frog
- Boulenger's Bush Anole
- Boulenger's Centipede Snake
- Boulenger's False Coral Snake
- Boulenger's Green Anole
- Boulenger's Ground Snake
- Boulenger's Largescale Lizard
- Boulenger's Least Gecko
- Boulenger's Lightbulb Lizard
- Boulenger's Robber Frog
- Boulenger's rocket frog
- Boulenger's Slender Snake
- Boulenger's snaggletooth
- Boulenger's snouted treefrog
- Boulenger's stubfoot toad
- Boulenger's sun tegu
- Boulenger's Tree Iguana
- Boulenger's Tree Lizard
- Boulenger's Tree Snake
- Boullet's Firetip
- Boullet's Skipper
- Bourcier's Saphenophis Snake
- Bow knifefish
- Bow-winged Actinote
- Box Fire Coral
- Box sea catfish
- Box-like Rotifer
- Boxfish
- Boyaca antpitta
- Boyaca giant glass frog
- Boyaca Spiny-rat
- Boyaca's painted harlequin toad
- Boyd's Shearwater
- Brack's Andes Frog
- Braconid wasp
- Bradley's Sea Star
- Braestrup's Caecilian
- Bragança tree frog
- Braided Groundsnake
- Braided Shadow Snake
- Braided Tree Iguana
- Brain coral
- Bramble shark
- Bran-colored flycatcher
- Branched Finger Coral
- Branching Anemone
- Branching Fire Coral
- Branching Tube Sponge
- Branching Vase Sponge
- Branco Giant Pleco
- Branco Stream Pleco
- Brasilia Skipper
- Brasilia tapaculo
- Brassy chub
- Brassy grunt
- Brassy-breasted Tanager
- Brasus Skipper
- Brauer's bristlemouth
- Brauer's dragonfish
- Brauer’s lanternfish
- Brauer's Stingless Bee
- Braun’s dwarf frog
- Brave forest microtegu
- Bravo clinid
- Brazil blenny
- Brazil long nose cory
- Brazil tree toad
- Brazil-butterfly
- Brazil-nut poison frog
- Brazil's Lancehead
- Brazilian Aeolid
- Brazilian Anole
- Brazilian Arboreal Mouse
- Brazilian Arboreal Rice Rat
- Brazilian armed spider
- Brazilian Atlantic Tree-rat
- Brazilian basslet
- Brazilian batfish
- Brazilian beardfish
- Brazilian big-eyed bat
- Brazilian big-headed frog
- Brazilian big-tooth frog
- Brazilian Bird Snake
- Brazilian Black Tarantula
- Brazilian Black-and-white Tarantula
- Brazilian blenny
- Brazilian blind electric ray
- Brazilian blind snake
- Brazilian Blue and Red Tarantula
- Brazilian bocachico
- Brazilian Brain Coral
- Brazilian Brown Birdeater
- Brazilian brown recluse spider
- Brazilian Bumble Bee
- Brazilian burrowing snake
- Brazilian Bush Anole
- Brazilian button frog
- Brazilian Cadet Blue Bromelia Tarantula
- Brazilian Caecilian
- Brazilian chank shell
- Brazilian coastal treefrog
- Brazilian codling
- Brazilian coral snake
- Brazilian cownose ray
- Brazilian Crab Spider
- Brazilian crescent
- Brazilian croaker
- Brazilian cusk-eel
- Brazilian damsel
- Brazilian dartfish
- Brazilian Dumpy Frog
- Brazilian dusky jawfish
- Brazilian Dwarf Boa
- Brazilian Dynastor
- Brazilian electric ray
- Brazilian False Coral Snake
- Brazilian False Rice Rat
- Brazilian Fathead Anole
- Brazilian Fiddler Crab
- Brazilian filetail catshark
- Brazilian flamefish
- Brazilian flathead
- Brazilian flounder
- Brazilian free-tailed bat
- Brazilian funnel-eared bat
- Brazilian Galliwasp
- Brazilian Gecko
- Brazilian Giant Black
- Brazilian Giant Blonde Tarantula
- Brazilian giant earthworm
- Brazilian Giant Stick Insect
- Brazilian Giant Tawny Red Tarantula
- Brazilian glass blenny
- Brazilian Gracile Opossum
- Brazilian Green Racer
- Brazilian Grey Smoke Tarantula
- Brazilian Ground Pearl
- Brazilian Guanabara Frog
- Brazilian Guinea Pig
- Brazilian guitarfish
- Brazilian heart-tongued frog
- Brazilian Horned Frog
- Brazilian Jewel Tarantula
- Brazilian Lady
- Brazilian Lancehead
- Brazilian large-eyed stingray
- Brazilian Leafhopper
- Brazilian lizardfish
- Brazilian Lollipop Ascidian
- Brazilian luminous roughy
- Brazilian Mabuya
- Brazilian Marsh Rat
- Brazilian maze coral
- Brazilian menhaden
- Brazilian Merganser
- Brazilian mojarra
- Brazilian Mole Crab
- Brazilian Moon Sponge
- Brazilian Naked-toed Gecko
- Brazilian nectar bat
- Brazilian Northeastern Marsh Rat
- Brazilian orange-banded tarantula
- Brazilian Pinktoe
- Brazilian poison frog
- Brazilian porcupine
- Brazilian pygmy gecko
- Brazilian radiolated swamp turtle
- Brazilian Rainbow Boa
- Brazilian Rainforest Cicada
- Brazilian red and white tarantula
- Brazilian red anemone
- Brazilian Red Birdeater
- Brazilian red house scorpion
- Brazilian red sea star
- Brazilian Red Tarantula
- Brazilian Red-rump Tarantula
- Brazilian redbelly toad
- Brazilian Redhead Tarantula
- Brazilian Reef Octopus
- Brazilian ribbon coral snake
- Brazilian river frog
- Brazilian river treefrog
- Brazilian Ruby
- Brazilian salmon pink tarantula
- Brazilian sand stargazer
- Brazilian sandperch
- Brazilian sardinella
- Brazilian serotine
- Brazilian sharpnose shark
- Brazilian short-tailed coral snake
- Brazilian silversides
- Brazilian Sipo
- Brazilian skate
- Brazilian Skipper
- Brazilian Slender Opossum
- Brazilian slender-legged treefrog
- Brazilian slope dragonet
- Brazilian snapper
- Brazilian soft skate
- Brazilian Spotted Night Snake
- Brazilian Squirrel
- Brazilian stardrum
- Brazilian stargazer
- Brazilian Starlet Coral
- Brazilian Steppe Iguana
- Brazilian Stick Mantis
- Brazilian Striped Bird Eater
- Brazilian Swamp Rat
- Brazilian swimming frog
- Brazilian Tanager
- Brazilian Teal
- Brazilian Thestius
- Brazilian Three-banded Armadillo
- Brazilian Tinamou
- Brazilian treehopper
- Brazilian Volute
- Brazilian White-eared Opossum
- Brazilian whiteknee tarantula
- Brazilian whitetail dogfish
- Brazilian Woodland Racer
- Brazilian Worm Lizard
- Brazilian wrasse
- Brazilian yellow scorpion
- Brazilian-M Hairstreak
- Breast toothcarp
- Brenda Checkered-Skipper
- Bresslau's Bachia
- Bressou sea catfish
- Brewer's carrying frog
- Brewster's Booby
- Brick seabass
- Brick Skipper
- Bridges' ameiva
- Bridges's Degu
- Bridle cardinalfish
- Bridled Anole
- Bridled burrfish
- Bridled goby
- Bridled sand perch
- Bridled Tern
- Brien's snouted treefrog
- Bright anchovy
- Bright Brangas
- Bright lanternfish
- Bright Podelfin
- Bright silverside
- Bright-centered Euselasia
- Bright-colored Rainfrog
- Bright-rumped attila
- Bright-rumped Yellow Finch
- Brilliant
- Brilliant Anastrus
- Brilliant Antirrhea
- Brilliant bristlenose pleco
- Brilliant Groundstreak
- Brilliant South American Gecko
- Brilliant Tree Iguana
- Brilliant-thighed poison frog
- Brimo Emesis
- Brindled Shawl Moth
- Brine shrimp
- Brino Silverpatch
- Bristle worm
- Bristle-tyrant
- Bristled lanternshark
- Bristled Rubble Crab
- Bristlefront
- Bristlemouth
- Bristlemouth catfish
- Bristlenose pleco
- Bristletail
- Bristly grenadier
- Bristly mound fields
- Bristly mouse
- Bristly searobin
- Britski's catfish
- Britski's tube-snouted ghost knifefish
- Brittle star
- Broad Banded-Skipper
- Broad stripe cory
- Broad tail Cactus Pleco
- Broad-banded Flasher
- Broad-billed Motmot
- Broad-eared free-tailed bat
- Broad-footed Climbing Rat
- Broad-fronted Snail-Eater
- Broad-headed Hairy-Woodborer
- Broad-headed Spiny-rat
- Broad-headed woodlizard
- Broad-nosed bat
- Broad-snouted caiman
- Broad-striped anchovy
- Broad-tipped Conehead
- Broad-tipped Hermit
- Broad-toothed tailless bat
- Broad-winged Hawk
- Broadback Mud Crab
- Broadback Urn Crab
- Broadband anchovy
- Broadbanded lanternshark
- Broadbanded moray
- Broaddus' rainfrog
- Broadfin lampfish
- Broadgill catshark
- Broadhead Ground Snake
- Broadnose sevengill shark
- Broadnose skate
- Broadnose worm eel
- Broadsnout grenadier
- Broadstripe goby
- Broadstripe silverside
- Broadstriped dwarf cichlid
- Brock's yellow-eared bat
- Brocket deer
- Broken Silverdrop
- Brokenband cleaner goby
- Bromelia Tarantula
- Bromeliad Helicopter
- Bromeliad marsupial frog
- Bromeliad Robber Frog
- Bromeliad Scrub-Hairstreak
- Brongersma's Worm Snake
- Bronze cardinalfish
- Bronze corydoras
- Bronze Rubyspot
- Bronze whiptail
- Bronze-brown Cowbird
- Bronze-green Euphonia
- Bronze-olive pygmy-tyrant
- Bronze-tailed Comet
- Bronze-tailed Plumeleteer
- Bronze-tailed Thornbill
- Bronze-winged Parrot
- Bronzed Cowbird
- Bronzestripe grunt
- Bronzy Hermit
- Bronzy Inca
- Bronzy Jacamar
- Brooding Smooth Brittle Star
- Brooding spiny brittle star
- Brook pleco
- Broomfin dragonfish
- Broomstraw-spined Porcupine
- Broomtail grouper
- Brosset's big-eared bat
- Broteas Scarlet-eye
- Brotula
- Brown Agouti
- Brown and Yellow Sphinx
- Brown Baby Ear
- Brown basilisk
- Brown Booby
- Brown Brangas
- Brown Brittle Star
- Brown bromeliad frog
- Brown bryozoan
- Brown cacholote
- Brown Capuchin
- Brown catshark
- Brown Chilean Leaf-footed Bug
- Brown chromis
- Brown Colonial Anemone
- Brown Comb Jelly
- Brown coscarob
- Brown Cotton Leafworm
- Brown Crescent
- Brown Discodoris
- Brown Dot Peckoltia
- Brown driftfish
- Brown Dwarf Gecko
- Brown Egg Frog
- Brown Encrusting Octopus Sponge
- Brown Fanworm
- Brown Featherstar Shrimp
- Brown finned Cactus Pleco
- Brown fruit-eating bat
- Brown garden eel
- Brown ghost knifefish
- Brown gorgonian
- Brown Grass Shrimp
- Brown Greenstreak
- Brown Ground Snake
- Brown Guard Crab
- Brown Howler
- Brown Inca
- Brown Jacamar
- Brown Lightbulb Lizard
- Brown Longtail
- Brown mastiff bat
- Brown moonsnail
- Brown Noddy
- Brown Nunlet
- Brown Pelican
- Brown pencilfish
- Brown Prionodactylus
- Brown Rock Sea Cucumber
- Brown Sea Cucumber
- Brown Setwing
- Brown shrimp
- Brown sipo
- Brown Skua
- Brown smooth-hound
- Brown sole
- Brown spiny lobster
- Brown Spitting Spider
- Brown spotted sea cradle
- Brown sucker catfish
- Brown Tanager
- Brown tent-making bat
- Brown Tinamou
- Brown Titi
- Brown Tree Iguana
- Brown Triangle Snout
- Brown Tube Sponge
- Brown Tuco-tuco
- Brown Variable Sponge
- Brown Vine Snake
- Brown Violetear
- Brown Wood Turtle
- Brown Wood-Rail
- Brown-and-red Skimmer
- Brown-and-yellow Marshbird
- Brown-backed chat-tyrant
- Brown-backed Mockingbird
- Brown-backed Parrotlet
- Brown-banded antpitta
- Brown-banded Puffbird
- Brown-banded water snake
- Brown-barred Hairstreak
- Brown-bellied broad-nosed bat
- Brown-bellied stipplethroat
- Brown-bellied Swallow
- Brown-billed scythebill
- Brown-bordered snouted treefrog
- Brown-bordered White
- Brown-breasted Parakeet
- Brown-breasted pygmy-tyrant
- Brown-capped tit-spinetail
- Brown-capped tyrannulet
- Brown-capped Vireo
- Brown-capped Whitestart
- Brown-chested Barbet
- Brown-chested Martin
- Brown-crested flycatcher
- Brown-eared Anole
- Brown-eared Woolly Opossum
- Brown-eyed treefrog
- Brown-flanked Tanager
- Brown-headed Greenlet
- Brown-headed Spider Monkey
- Brown-hooded Gull
- Brown-hooded Parrot
- Brown-lined Elysia
- Brown-lined Lemon Moth
- Brown-lined Paperbubble
- Brown-rumped foliage-gleaner
- Brown-rumped tapaculo
- Brown-shaded Gray
- Brown-shaded Mimorista
- Brown-speckled Aphelodoris
- Brown-spotted dwarf frog
- Brown-throated Parakeet
- Brown-throated Three-toed Sloth
- Brown-winged Earwig
- Brown-winged schiffornis
- Brown's Hairstreak
- Brownbelly leaf frog
- Brownberg Robber Frog
- Brownish clam
- Brownish Cracker
- Brownish elaenia
- Brownish twistwing
- Brownish-headed antbird
- Brownsnout spookfish
- Brownstriped grunt
- Bruce's argentine
- Brues' Mini-Digger
- Bruised Nassa
- Bruised Robber Frog
- Bruised Skipper
- Brujo flycatcher
- Brumback's Night Monkey
- Bruno pleco
- Bruno's casque-headed frog
- Brush-tailed rat
- Brushed trapdoor spider
- Brushfinch
- Brushfoot butterfly
- Brushland Tinamou
- Brycon
- Bryde's Whale
- Bryna Skipper
- Bryozoan
- Bryozoan Drill
- Bubocula Owl-Butterfly
- Bucaramanga Robber Frog
- Buchura river prawn
- Buckeye (butterfly)
- Buckley's Forest-Falcon
- Buckley’s glassfrog
- Buckley's Robber Frog
- Buckley's slender-legged treefrog
- Buckley's Teiid
- Bucktooth parrotfish
- Bucktooth tetra
- Budgett's Frog
- Budin's Chinchilla Rat
- Budin's Grass Mouse
- Buenaventura glassfrog
- Buenaventura Rainfrog
- Buenos Aires Longhorn
- Buenos Aires tetra
- Buerger's Tree Iguana
- Buff-banded tyrannulet
- Buff-bellied Fat-tailed Opossum
- Buff-bellied Hermit
- Buff-bellied Puffbird
- Buff-bellied Tanager
- Buff-breasted earthcreeper
- Buff-breasted Mountain Tanager
- Buff-breasted Sabrewing
- Buff-breasted Sandpiper
- Buff-breasted tody-tyrant
- Buff-breasted Wren
- Buff-bridled Inca Finch
- Buff-browed Chachalaca
- Buff-browed foliage-gleaner
- Buff-cheeked Greenlet
- Buff-cheeked tody-flycatcher
- Buff-fronted foliage-gleaner
- Buff-fronted Owl
- Buff-necked Ibis
- Buff-rumped Warbler
- Buff-tailed Coronet
- Buff-tailed Sicklebill
- Buff-thighed Puffleg
- Buff-throated foliage-gleaner
- Buff-throated purpletuft
- Buff-throated Saltator
- Buff-throated tody-tyrant
- Buff-throated Warbling Finch
- Buff-throated woodcreeper
- Buff-winged cinclodes
- Buff-winged Starfrontlet
- Buffalo trunkfish
- Buffy broad-nosed bat
- Buffy Helmetcrest
- Buffy Hummingbird
- Buffy Saki
- Buffy-fronted Seedeater
- Buffy-headed Marmoset
- Buffy-sided Rice Rat
- Buffy-tufted-ear Marmoset
- Bulbous dreamer
- Bulbous rattail
- Bulky Anole
- Bulldog bat
- Bulldog pleco
- Buller's Albatross
- Buller's Shearwater
- Bullet tuna
- Bullhead shark
- Bullis skate
- Bullish conger
- Bullnose eagle ray
- Bullock’s Mountains false toad
- Bullseye grenadier
- Bullseye moth
- Bullseye puffer
- Bulun white-lipped frog
- Bulwer's Petrel
- Bumblebee catfish
- Bumblebee cory
- Bumblebee metalmark
- Bumblebee shrimp
- Bumblebee Two-spot Octopus
- Bumelia Webworm Moth
- Bumphead damselfish
- Bumphead parrotfish
- Bumphead sunfish
- Bunch Grass Leaf-eared Mouse
- Bundled Click Beetle
- Buoy Barnacle
- Buphonia Groundstreak
- Burchell's Cattleheart
- Burger's Fiddler Crab
- Burgess' cory
- Burgundy goliath bird-eating tarantula
- Burmeister's Anole
- Burmeister's Cotton Rat
- Burmeister's frog
- Burmeister's Porpoise
- Burmeister's treefrog
- Burneo's Oldfield Mouse
- Burnet Moth
- Burnished-buff Tanager
- Burns' Checkered-Skipper
- Burrito grunt
- Burro grunt
- Burrow Worm
- Burrowes' giant glass frog
- Burrowes' Robber Frog
- Burrowing barnacle
- Burrowing brown anemone
- Burrowing crayfish
- Burrowing mouse
- Burrowing Night Snake
- Burrowing Parakeet
- Burrowing shaggy sea cucumber
- Burrowing Webworm Moth
- Burtons' Robber Frog
- Bush anole
- Bush Dog
- Bush tanager
- Bush-tyrant
- Bushbird
- Bushmaster
- Bushy hydroid
- Bushy-tailed Opossum
- Bushymouth catfish
- Bussing's drum
- Bustamante's Andes Frog
- Butantan Microcaecilia
- Butler's Hoary-Skipper
- Butler's Satyr
- Butler's Skipper
- Butler's Skipperling
- Butter hamlet
- Buttercup Lucine
- Butterfish
- Butterfly Coquette
- Butterfly kingfish
- Butterfly Orbweaver
- Butterfly peacock bass
- Butterfly Plec
- Butterfly ray
- Butterfly skate
- Butterfly-head Coral Snake
- Butterflyfish
- Button Snail
- Button Tunicate
- Buysson's Paper Wasp
- By-the-wind Sailor
- Byron Tivela
- Caalaya Andes Frog
- Caatinga antwren
- Caatinga black-tyrant
- Caatinga Blackhead
- Caatinga cacholote
- Caatinga coral snake
- Caatinga Horned Frog
- Caatinga Lancehead
- Caatinga white-lipped frog
- Cabaceira Grande snouted tree frog
- Cabanis's spinetail
- Cabbage Budworm Moth
- Cabbage Looper Moth
- Cabbage Murex
- Cabbage Webworm Moth
- Cabinza grunt
- Cable's goby
- Cabocolo tube-snouted ghost knifefish
- Cabra snouted treefrog
- Cabra treefrog
- Cabrera's spiny-backed frog
- Cabreria spiny-chest frog
- Cacao Robber Frog
- Cacao Scarlet-eye
- Caceres Robber Frog
- Cachabi Robber Frog
- Cachema weakfish
- Cachimbo tree frog
- Cacholote
- Cactus canastero
- Cactus finch
- Cactus Lady Beetle
- Cactus Moth
- Cactus Parakeet
- Caddisfly
- Cadena-García's big-eared brown bat
- Cadena's nectar bat
- Cadena's tailless bat
- Cadmeis Metalmark
- Caecilian
- Caenides Skipperling
- Caesar grunt
- Caesaries Groundstreak
- Caete river dwarf cichlid
- Cagua treefrog
- Caica Parrot
- Caicus Skipperling
- Caicus Sphinx
- Caiman lizard
- Cainarachi glass frog
- Cainarachi poison frog
- Caique
- Caissara Squamata
- Caitipa mojarra
- Cajamarca antpitta
- Cajamarca Gecko
- Cajamarca Oldfield Mouse
- Cajamarca Rainfrog
- Cajamarca rocket frog
- Cajamarca Water Frog
- Cajanuma Rain Frog
- Cajas stubfoot toad
- Calaça's White-tailed Mouse
- Calamitous Shadow Snake
- Calaon Skipperling
- Calcarea Skipper
- Calchinia Hairstreak
- Caldas Blind Snake
- Caldas Hairstreak
- Caldas Robber Frog
- Caldas snouted treefrog
- Caldwell's Mushroomtongue Salamander
- Calf frog
- Cali Robber Frog
- Cali toothcarp
- Calico Blepharomastix Moth
- Calico Clam
- Calientes Water Frog
- California Bonfire
- California butterfly ray
- California grenadier
- California halfbeak
- California headlightfish
- California kingcroaker
- California lizardfish
- California moray
- California slickhead
- California smoothtongue
- Californian needlefish
- Caligula Skipper
- Calilegua's marsupial frog
- Calima Skipperling
- Caliper beetle
- Callao drum
- Calliomma Satyr
- Calus Groundstreak
- Calypso tetra
- Camacuto shrimp
- Camamu Humming Frog
- Cambara smooth horned frog
- Camel cricket
- Camel spider
- Camelback Tmarus Crab Spider
- Camiari Leaf-eared Mouse
- Camila's Coral Snake
- Camila’s Patagonian Rocky Lizard
- Camoati Wasp
- Camotillo
- Camouflaged catfish
- Camouflaged harlequin toad
- Camouflaged Skipper
- Camouflaged spider crab
- Camouflaged Spiny Sea Cradle
- Campbell whiptail
- Campina Thrush
- Campinas tree toad
- Campo Belo snouted treefrog
- Campo Flicker
- Campo Grande button frog
- Campo Miner
- Campo Troupial
- Can-opener smoothdream
- Canabrava catfish
- Canada Warbler
- Canal Scarlet-Eye
- Canal zone treefrog
- Cañari Robber Frog
- Canary-winged Parakeet
- Canastero
- Canastra snouted treefrog
- Cancellate Cantharus
- Cancellate Mussel
- Cancellated Clam
- Canchaque Andes Frog
- Canchaque Robber Frog
- Canchimala sea catfish
- Candid Hairstreak
- Candiope Calephelis
- Candiru
- Cando Robber Frog
- Candy basslet
- Cane mouse
- Canebrake Groundcreeper
- Canebrake tree frog
- Canebrake treefrog
- Canelos Robber Frog
- Canelos tree frog
- Canelos treefrog
- Canga swamp frog
- Caninius Hairstreak
- Caniola Skipper
- Canjica Anemone
- Canna Skipper
- Cannatella's Andes Frog
- Cannatella's plump toad
- Cannonball Jelly
- Cano toadfish
- Cantillana spiny-chest frog
- Cantra Ruby-eye
- Canyon Canastero
- Canyon Rubyspot
- Capão bonito casque-headed tree frog
- Caparaó flea-toad
- Caparao Grass Mouse
- Caparao Mountains tree toad
- Caparu forest frog
- Capaz
- Cape fathead
- Cape May Warbler
- Cape Mussel Worm
- Cape snaggletooth
- Cape Verde Shearwater
- Cape wrasse
- Capenas Bluewing
- Caper-leaf Webworm Moth
- Capistrata Centipede Snake
- Capixaba nectar-feeding bat
- Capped Conebill
- Capped Heron
- Capricorn Leaf-eared Mouse
- Capricorn lizardfish
- Capricorn scabbardfish
- Capuchin Coral Snake
- Capuchinbird
- Capurí rocket frog
- Caqueta Anole
- Caqueta Blind Snake
- Caqueta Cochran frog
- Caquetá Spindle Snake
- Caquetá Titi
- Cará
- Carabali shrimp
- Carabaya Robber Frog
- Carabaya stubfoot toad
- Carabaya toad
- Carabobo Salamander
- Caraca Skipper
- Caracara
- Caracas Blindsnake
- Caracas Brushfinch
- Caracas collared frog
- Caracas Robber Frog
- Caracas snouted treefrog
- Caracas Tapaculo
- Caracciolo's stripe-faced bat
- Caracol Climbing Rat
- Caralis Purplewing
- Caramaschi's tree frog
- Caramel Dorid
- Caranus Brangas
- Carapaz's Forest Mouse
- Carbonated Sierra Finch
- Carcelén’s Bristly Mouse
- Carchi Andes Frog
- Carchi Andes toad
- Carchi Robber Frog
- Carchi rocket frog
- Cardinal snapper
- Cardinal soldierfish
- Cardinal tetra
- Cardinalfish
- Cardoso's swimming frog
- Cardoso's treefrog
- Carias Purplewing
- Carib Coral Snake
- Carib Fossaria
- Carib Grackle
- Caribbean bait prawn
- Caribbean Banded Carpenter Ant
- Caribbean carrier shell
- Caribbean Christmas Tree Worm
- Caribbean Corbula
- Caribbean Cross-barred Venus
- Caribbean Crown Conch
- Caribbean Darner
- Caribbean Dwarf Octopus
- Caribbean Elaenia
- Caribbean Faceted-Skipper
- Caribbean Firetip
- Caribbean flounder
- Caribbean Hornero
- Caribbean itch moth
- Caribbean lancelet
- Caribbean Land Hermit Crab
- Caribbean lanternshark
- Caribbean Least Gecko
- Caribbean Leatherleaf Slug
- Caribbean lesser funnel-eared bat
- Caribbean Lichen Cicada
- Caribbean longarm shrimp
- Caribbean longfin herring
- Caribbean Martin
- Caribbean moonfish
- Caribbean nurse frog
- Caribbean pipefish
- Caribbean pomfret
- Caribbean Reef Clam
- Caribbean Reef Octopus
- Caribbean reef shark
- Caribbean Reef Squid
- Caribbean Rock Mantis Shrimp
- Caribbean roughshark
- Caribbean Ruby-eye
- Caribbean scoliid wasp
- Caribbean sculptured sea catfish
- Caribbean Sea Mat
- Caribbean Sea Whip
- Caribbean sharpnose shark
- Caribbean sharpnose-puffer
- Caribbean Spiny Jewel Box
- Caribbean Spiny Lima
- Caribbean Spiny Lobster
- Caribbean stardrum
- Caribbean tonguefish
- Caribbean treerunner
- Caribbean Upsidedown Jelly
- Caribbean Vase
- Caribbean velvet shrimp
- Caribbean Warty Anemone
- Caribbean Winged Mactra
- Caribbean Yellowface
- Cariri Climbing Rat
- Carla Hairstreak
- Carla's cory
- Carlos' Mottled-Skipper
- Carmelita Longtail
- Carmelita Pondhawk
- Carmelita's Robber Frog
- Carmelitano catfish
- Carmelus meridanus
- Carminaltica uniformis
- Carmine grenadier
- Carmine skimmer
- Carmiol's Tanager
- Carneades personata
- Carneades quadrinodosa
- Carnegie's toothcarp
- Carnica Hairstreak
- Carnis Skipperling
- Carolina Dung Beetle
- Carolina Ghost Shrimp
- Carolina hammerhead
- Carolina Sphinx
- Carolines parrotfish
- Carolyn's Hairstreak
- Carousing Metalmark
- Carp headstander
- Carpenter moth
- Carpet Flatworm
- Carpet Moth
- Carpet-grass Webworm Moth
- Carphina arcifera
- Carphina elliptica
- Carphina petulans
- Carphontes posticalis
- Carpinteroa sanluisensis
- Carpinteroa singularis
- Carpish frog
- Carr's Slender Opossum
- Carrascotettix montanus
- Carrerapyrgota personata
- Carriker's anchovy
- Carriker's Mountain Tanager
- Carriker's round-eared bat
- Carriker's Speckled Tree-rat
- Carrion beetle
- Carrizal Seedeater
- Carrizo's tree frog
- Carrot beetle
- Carrot Cone
- Carruco sargo
- Carthaeomorpha rufipes
- Carunculated Caracara
- Carvalho Worm Lizard
- Carvalho's bug-eyed frog
- Carvalho's button frog
- Carvalho's Escuerzo
- Carvalho's Mabuya
- Carvalho's Robber Frog
- Carvalho's Silent Frog
- Carvalho's Surinam Toad
- Carvalho's tree toad
- Carvalho's treefrog
- carved star shell
- Caryedes grammicus
- Caryedes helvinus
- Cascade river prawn
- Cascarudo
- Cascas Andes Frog
- Casebearer
- Casiornis
- Caspian Tern
- Casqued Cacique
- Cassava green mite
- Cassidy's poison dart frog
- Cassilandia tree frog
- Cassius Blue
- Castaneta
- Castaño’s Gecko
- Castanochilus bruchianus
- Castello's apron numbfish
- Castelnau's Antshrike
- Castimonia Hairstreak
- Castin leatherjacket
- Castolus pallidus
- Castolus plagiaticollis
- Castolus Tufted-Skipper
- Castor Skipper
- Castoraeschna coronata
- Castoraeschna longfieldae
- Castra Skipperling
- Castroviejo glass-frog
- Casuhatien Anole
- Cat-eyed snake
- Cat's Claw Tortoise Beetle
- Catamarca Tuco-tuco
- Catamarca Water Frog
- Catenes australis
- Catesby's Risso
- Catesby's snail-eater
- Catharina snouted treefrog
- Catochra Skipper
- Catogenus decoratus
- Catonia ornatipennis
- Catorhintha schaffneri
- Catrea Mithras
- Catrimania semivitrea
- Catshark
- Cattail moth
- Cattle Egret
- Cattle Tyrant
- Cattleheart
- Cattleheart white
- Catula Crescent
- Cauca Beardless-tyrannulet
- Cauca Caecilian
- Cauca Coral Snake
- Cauca Guan
- Cauca molly
- Cauca poison frog
- Cauca Robber Frog
- Cauca rocket frog
- Cauca treefrog
- Cauliflower coral
- cauque river prawn
- Caura Antbird
- Caura cory
- Cavaquina Slipper Lobster
- Cave bass
- Cave cobweb spider
- Cavy
- Cayenne anchovy
- Cayenne Caecilian
- Cayenne Jay
- Cayenne Keyhole Limpet
- Cayenne Nightjar
- Cayenne pompano
- Cayenne slender-legged treefrog
- Cayenne Spiny-rat
- Cayenne stubfoot toad
- Cayenne tick
- Cazuza's Saki
- Ceara bulldog cory
- Ceara Gnateater
- Ceara white-lipped frog
- Ceara Woodcreeper
- Cebolleta Robber Frog
- Cecina Emeraldstreak
- Cedros button frog
- Cedros Smooth Horned Frog
- Cei's Escuerzo
- Cei's Marked Gecko
- Cei's Mountain Lizard
- Ceiba borer
- Celadon Sister
- Celery Leaftier Moth
- Celeste's pikeblenny
- Celia's Ur-Satyr
- Cellar Graphic
- Cellar spider
- Celona Hairstreak
- Celsus Skipperling
- Cenepa manticore
- Centipede snake
- Central American Agouti
- Central American Boa Constrictor
- Central American Coral Snake
- Central American Dwarf Squirrel
- Central American eyelash pitviper
- Central American Groundstreak
- Central American locust
- Central American milk frog
- Central American Pygmy-Owl
- Central American Red Brocket
- Central American Rock-boring Urchin
- Central American Rufous Tree-rat
- Central American Seaslater
- Central American Silky Anteater
- Central American Skipperling
- Central American Snout-Skipper
- Central American Sootywing
- Central American Tapir
- Central American Tree Snake
- Central Andean Soft-haired Mouse
- Central Andes Oldfield Mouse
- Central Atlantic Tree-rat
- Central Chilean Colocolo
- Central coast stubfoot toad
- Central dwarf frog
- Central Hook Pleco
- Central Humming Frog
- Central Leaf-toed Gecko
- Central Sipo
- Centrites Skipper
- Cephoides Skipper
- Cerata Groundstreak
- Ceraunus Blue
- Cerberus Groundsnake
- Cerca de Tingo rocket frog
- Cero
- Ceromia Groundstreak
- Ceron's Green Robber Frog
- Ceros Tetra
- Cerqueira's Rice Rat
- Cerqueira's Vesper Mouse
- Cerrado Blackhead
- Cerrado Climbing Rat
- Cerrado Giant Rat
- Cerrado Lancehead
- Cerrado Marsh Rat
- Cerrado Naked-tailed Armadillo
- Cerrado Red-nosed Mouse
- Cerrado toad
- Cerrado tree frog
- Cerrado tropical bullfrog
- Cerro Aracamuni emerald-barred frog
- Cerro illescas Gecko
- Cerro Jaua rocket frog
- Cerro Mali beaked toad
- Cerro Munchique marsupial frog
- Cerro Munchique Robber Frog
- Cerro Plateado leaflitter frog
- Cerro Santa Rosa rocket frog
- Cerro Sipapo rocket frog
- Cerro Tacarcuna rocket frog
- Cerulean Cuckoo-Orchid Bee
- Cerulean Dancer
- Cerulean Stingless Bee
- Cerulean Warbler
- Cerulean-capped Manakin
- Chabanaud's tonguefish
- Chachalaca
- Chachapoya Mouse Opossum
- Chachapoya Penelfin
- Chachapoyas rocket frog
- Chaco Burrowing Snake
- Chaco catfish
- Chaco Chachalaca
- Chaco Colobosaura
- Chaco Eagle
- Chaco Earthcreeper
- Chaco Golden-knee Tarantula
- Chaco granulated toad
- Chaco Horned Frog
- Chaco leafcutter ant
- Chaco Owl
- Chaco Pericote
- Chaco Side-necked Turtle
- Chaco Sparrow
- Chaco tortoise
- Chaco Tree Iguana
- Chaco treefrog
- Chaco Water Frog
- Chacoan Blackhead
- Chacoan Fat-tailed Opossum
- Chacoan Mara
- Chacoan Marsh Rat
- Chacoan Mouse Opossum
- Chacoan Naked-tailed Armadillo
- Chacoan Peccary
- Chacoan Pink-lipped Mouse
- Chacoan Pygmy Rice Rat
- Chacoan tropical bullfrog
- Chacoan Tuco-tuco
- Chagres Skipper
- Chain moray
- Chain pearlfish
- Chalapo clinid
- Chalcedony Midget
- Chalchalero Viscacha Rat
- Chalcidiform Chilicola
- Chalk bass
- Chalk-browed Mockingbird
- Chalk-marked Dragonlet
- Chalk-marked Skipper
- Chalky Buttercup Lucine
- Chameleon cichlid
- Chameleon tree frog
- Chameleon wrasse
- Chami Antpitta
- Chanchita
- Changa
- Changallo shrimp
- Changeable Ark
- Changos Octopus
- Channel bull blenny
- Channel flounder
- Channel Robber Frog
- Channel scabbardfish
- Channel-billed Toucan
- Channeled Apple Snail
- Channeled Duck Clam
- Channeled rockfish
- channeled turban
- Chao's tube-snouted ghost knifefish
- Chapada Diamantina tree frog
- Chapada Diamantina white-lipped frog
- Chapada dos Veadeiros snouted tree frog
- Chapada dos Veadeiros tree frog
- Chapada Flycatcher
- Chapman's Antshrike
- Chapman's blenny
- Chapman's Bristle-tyrant
- Chapman's skate
- Chapman's Swift
- Characin
- Charapita glass frog
- Charazani tree frog
- Charcoal mora
- Charcoal Robber Frog
- Charichlorus Groundstreak
- Charlotteville Leaf-litter Frog
- Charm Anole
- Charming Climbing Rat
- Charru Mussel
- Charta treefrog
- Chartreuse Darner
- Charuplaya treefrog
- Charybdis Firetip
- Chaser
- Chat (bird)
- Chat-tyrant
- Chatham Albatross
- Chatham Leaf-toed Gecko
- Chattering Gnatwren
- Chaves' lanternfish
- Chechehet's Tuco-tuco
- Checker-throated Stipplethroat
- Checkerbelly
- Checkerboard cichlid
- Checkered Apogeshna Moth
- Checkered blenny
- Checkered Nerite
- Checkered puffer
- Checkered Woodpecker
- Chemnitz's ark clam
- Chere-chere grunt
- Cherra Skipper
- Cherrie's Antwren
- Cherry Jewelbox
- Cherry-spot Metalmark
- Cherry-throated Tanager
- Cherubfish
- Chessboard blenny
- Chessboard catfish
- Chessboard cichlid
- Chestnut Antpitta
- Chestnut long-tongued bat
- Chestnut moray
- Chestnut Nassa
- Chestnut Piculet
- Chestnut sac-winged bat
- Chestnut Seedeater
- Chestnut short-tailed bat
- Chestnut tonicia
- Chestnut Turban
- Chestnut Wood-Quail
- Chestnut Woodpecker
- Chestnut-backed Antbird
- Chestnut-backed Antshrike
- Chestnut-backed Tanager
- Chestnut-backed Thornbird
- Chestnut-banded Wave
- Chestnut-bellied Cotinga
- Chestnut-bellied Euphonia
- Chestnut-bellied Flowerpiercer
- Chestnut-bellied Guan
- Chestnut-bellied Hummingbird
- Chestnut-bellied Mountain Tanager
- Chestnut-bellied Seed Finch
- Chestnut-bellied Seedeater
- Chestnut-bellied Thrush
- Chestnut-bellied Titi
- Chestnut-belted Gnateater
- Chestnut-breasted Chlorophonia
- Chestnut-breasted Coronet
- Chestnut-breasted Mountain Finch
- Chestnut-capped Blackbird
- Chestnut-capped Brushfinch
- Chestnut-capped Foliage-gleaner
- Chestnut-capped Piha
- Chestnut-capped Puffbird
- Chestnut-capped Warbler
- Chestnut-collared Swallow
- Chestnut-collared Swift
- Chestnut-crested Antbird
- Chestnut-crested Cotinga
- Chestnut-crowned Antpitta
- Chestnut-crowned Becard
- Chestnut-crowned Foliage-gleaner
- Chestnut-crowned Gnateater
- Chestnut-eared Aracari
- Chestnut-fronted Macaw
- Chestnut-headed Chachalaca
- Chestnut-headed Crake
- Chestnut-headed Nunlet
- Chestnut-headed Oropendola
- Chestnut-headed Tanager
- Chestnut-marked Skipper
- Chestnut-naped Antpitta
- Chestnut-rumped Woodcreeper
- Chestnut-shouldered Antwren
- Chestnut-sided Warbler
- Chestnut-tailed Antbird
- Chestnut-throated Huet-huet
- Chestnut-throated Seedeater
- Chestnut-throated Spinetail
- Chestnut-tipped Toucanet
- Chestnut-vented Conebill
- Chestnut-winged Chachalaca
- Chestnut-winged Cinclodes
- Chestnut-winged Foliage-gleaner
- Chestnut-winged Hookbill
- Chestnut's slender-legged treefrog
- Chevroned Waterhyacinth Weevil
- Chiapas White
- Chical nubulous stream frog
- Chicken tick
- Chico Mendes' terrestrial nest-building frog
- Chico's Tyrannulet
- Chigger
- Chigoe flea
- Chiguanco Thrush
- Chilca marsupial frog
- Child's Rice Rat
- Chile four-eyed frog
- Chile mountain false toad
- Chilean Anemone Porcelain Crab
- Chilean angelshark
- Chilean Astata
- Chilean Austral-Resin bee
- Chilean Banded-Sweat bee
- Chilean Basket Star
- Chilean Bat Star
- Chilean Beautiful Tarantula
- Chilean Black Snail
- Chilean Blue Mussel
- Chilean breadcrumb sponge
- Chilean Chinchilla
- Chilean Climbing Mouse
- Chilean Copper
- Chilean Copper Limpet
- Chilean Corynura
- Chilean crab
- Chilean Dolphin
- Chilean eagle ray
- Chilean Elaenia
- Chilean false monitor
- Chilean Field Cricket
- Chilean Flamingo
- Chilean flat spider
- Chilean Flicker
- Chilean Green Racer
- Chilean grenadier
- Chilean Hairy Chiton
- Chilean Hawk
- Chilean Hermit Crab
- Chilean jack mackerel
- Chilean Kelp Crab
- Chilean Lady
- Chilean lamprey
- Chilean Long-clawed Mouse
- Chilean magnificent beetle
- Chilean marked gecko
- Chilean Mockingbird
- Chilean Mole Crab
- Chilean Mud Brittle Star
- Chilean myotis
- Chilean nylon shrimp
- Chilean Ocelot Tarantula
- Chilean oyster
- Chilean petaltail
- Chilean Pigeon
- Chilean pink snail
- Chilean recluse spider
- Chilean Redback Spider
- Chilean Rock Rat
- Chilean rose tarantula
- Chilean roughy
- Chilean round stingray
- Chilean sandpaperfish
- Chilean sandperch
- Chilean scorpion
- Chilean sea pansy
- Chilean shore crab
- Chilean silverside
- Chilean Skua
- Chilean Slender Snake
- Chilean stick insect
- Chilean Swallow
- Chilean Tiger Spider
- Chilean Tinamou
- Chilean torpedo
- Chilean Tree Iguana
- Chilean triton
- Chilean Woodstar
- Chilean Woolcarder
- Chilean worm eel
- Chilean Zale Moth
- Chilhuil sea catfish
- Chili sea catfish
- Chili Water Frog
- Chiloé Island ground frog
- Chiloe Wigeon
- Chiloe's hippoporina
- Chimaera
- Chimango Caracara
- Chimantá poison frog
- Chimantá tree frog
- Chimbo Frog
- Chimbo rocket frog
- Chimera's bonneted bat
- Chimney Swift
- Chimu Robber Frog
- China-mark Moth
- Chinchao whorltail lizard
- Chinchilla rat
- Chinchipe Spinetail
- Chinese handcuffs
- Chinese trumpetfish
- Chiomara Saliana
- Chiria Skipper
- Chiribaya's bonneted bat
- Chiribiquete Emerald
- Chiribiquete sword-nosed bat
- Chiriboga Robber Frog
- Chirique-Flusse treefrog
- Chiriqui Flasher
- Chiriqui glass frog
- Chiriqui Robber Frog
- Chiriquinan serotine
- Chirping Robber Frog
- Chirripó glassfrog
- Chisel toothcarp
- Chiton
- Chivi Vireo
- Chivita Snail
- Chloe Checkered-Skipper
- Chlorophonia
- Chlorospingus
- Choco Brushfinch
- Choco Dwarf Squirrel
- Choco Elaenia
- Choco goby
- Choco Manakin
- Choco Megaleas Skipper
- Chocó poison dart frog
- Choco Poorwill
- Choco Robber Frog
- Choco rocket frog
- Choco Sarota
- Choco Screech-Owl
- Choco Sirystes
- Chocó stubfoot toad
- Choco Tapaculo
- Choco Tinamou
- Choco toad
- Choco toothcarp
- Choco Toucan
- Choco Tyrannulet
- Choco Vireo
- Choco Warbler
- Choco Woodpecker
- Choco yellow-shouldered bat
- Choco's robber frog
- Chocoan blunt-headed vine snake
- Chocoan Bushmaster
- Chocoan Forest Pitviper
- Chocoan milk frog
- Chocoan nectar bat
- Chocoan Toad-headed Pitviper
- Chocolate Chip Sea Cucumber
- Chocolate Chip Sea Star
- Chocolate Clam
- Chocolate tonguefish
- Chocolate zebra pleco
- Chocolate-colored catfish
- Chocolate-lined top shell
- Chocolate-vented Tyrant
- Chocolatefoot leaf frog
- Choelo halfbeak
- Choicy ruff
- Chola guitarfish
- Cholga mussel
- Chomsky's Rain Frog
- Chop stick cory
- Chopi Blackbird
- Chotoy Spinetail
- Christmas Tree Hydroid
- Christmas Tree Hydroid Nudibranch
- Christmas tree worm
- Chrysites Banner
- Chrysophrys Skipper
- Chub
- Chub mackerel
- Chubby pearleye
- Chucao Tapaculo
- Chuchuvia Hairstreak
- Chuck-will's-widow
- Chucuri gecko
- Chullachaki beaked toad
- Chupada rocket frog
- Chupada swamp frog
- Chupare stingray
- Churuguara collared frog
- Churuwia's Rainfrog
- Chusmisa Water Frog
- Chusquea Tapaculo
- Chutes-and-ladders Hairstreak
- Cichlid
- Cilida toothcarp
- Cilissa Skipper
- Cinclodes
- Cinderella cichlid
- Cinderella Sea Star
- Cindy's Leafwing
- Cinereous Antshrike
- Cinereous Becard
- Cinereous Conebill
- Cinereous Finch
- Cinereous Ground-tyrant
- Cinereous Harrier
- Cinereous Mourner
- Cinereous Tinamou
- Cinereous Tyrant
- Cinereous Warbling Finch
- Cinereous-breasted Spinetail
- Cinnamon Attila
- Cinnamon Becard
- Cinnamon dog-faced bat
- Cinnamon Flycatcher
- Cinnamon Manakin-tyrant
- Cinnamon red bat
- Cinnamon river prawn
- Cinnamon Screech-Owl
- Cinnamon Tanager
- Cinnamon Teal
- Cinnamon Warbling Finch
- Cinnamon Woodpecker
- Cinnamon-bellied Ground-tyrant
- Cinnamon-breasted Tody-tyrant
- Cinnamon-colored Oldfield Mouse
- Cinnamon-crested Spadebill
- Cinnamon-faced Tyrannulet
- Cinnamon-rumped Foliage-gleaner
- Cinnamon-throated Hermit
- Cinnamon-throated Woodcreeper
- Cinnamon-vented Piha
- Cipo Canastero
- Circle-marked Brittle Star
- Circled Bumblebee Shrimp
- Circular Chinese-hat
- Circumducta Satyr
- Cisneros's robber frog
- Citrine forktail
- Citrine goby
- Citrine Warbler
- Citron Sponge
- Citron-bellied Attila
- Citron-headed Yellow Finch
- Citron-throated Toucan
- Citrus fruitpiercer
- Citrus Orthezia
- Clam Worm
- Clara’s Skipper
- Claret Pondhawk
- Clark's Coral Snake
- Clark's Forest Racer
- Clark's Ground Snake
- Claudina Crescent
- Clavipes Sphinx
- Clay Fiddler Crab
- Clay Robber Frog
- Clay-colored Thrush
- Clean Mimic-White
- Cleaner goby
- Cleaner shrimp
- Cleanthes Skipper
- Clear-finned dragonfin tetra
- Clear-tipped Amberwing
- Clearsnout grenadier
- Clearspot Bluewing
- Clearspot flounder
- Clearwing flyingfish
- Clearwing Lichen Cicada
- Clearwing Mimic-Queen
- Clearwing Mimic-White
- Clearwing moth
- Clearwing satyr
- Cleber's Arboreal Rice Rat
- Clementina toothcarp
- Clench's Lasaia
- Clench's Skipper
- Cleon Ministreak
- Cleonus Metalmark
- Clery's Cone
- Click beetle
- Clidemia Leafroller
- Cliff Flycatcher
- Cliff Parakeet
- Climber lizard
- Climbing catfish
- Climbing mouse
- Climbing rat
- Climbing salamander
- Clingfish
- Clinias Skipper
- Clio Crescent
- Clonia Metalmark
- Clothilda Emperor
- Cloud Forest Grass Mouse
- Cloud forest rainfrog
- Cloud Forest Robber Frog
- Cloud forest rocket frog
- Cloud Whorltail Iguana
- Cloud-forest Beauty
- Cloud-forest Catone
- Cloud-forest Pygmy-Owl
- Cloud-forest Screech-Owl
- Cloud-loving Rainfrog
- Cloud-spotted Metalmark
- Clouded Oncilla
- Clouded Skipper
- Clouded Yellow
- Cloudforest Crescent
- Cloudless Sulphur
- Cloudy Andean Frog
- Cloudy Bubble Snail
- Cloudy Periwinkle
- Cloudy Snail-eating Snake
- Clown frog
- Clown pleco
- Clown wrasse
- Club cory
- Club-winged Manakin
- Clubbed golofa
- Clusia Scarlet-eye
- Clyde Jones's myotis
- Clymene Dolphin
- Clysonymus Longwing
- Clytia Purplewing
- Cnemoscopus
- Coal pleco
- Coal-crested Finch
- Coast cory
- Coastal Colorful Darkling Beetle
- Coastal Cordilleran Rice Rat
- Coastal Degu
- Coastal Ecuador smoky jungle frog
- Coastal House Snake
- Coastal Leaf-toed Gecko
- Coastal lowland snouted treefrog
- Coastal Miner
- Coastal Mud Shrimp
- Coastal rocket frog
- Coastal snouted treefrog
- Coastal Tapeti
- Coastal tree toad
- Coastal Vesper Mouse
- Coati
- Cobalt chromis
- Cobalt-rumped Parrotlet
- Cobalt-winged Parakeet
- Cobb's Wren
- Cobbler Moth
- Cobia
- Cobija tree frog
- Cobweb spider
- Coca white-lipped frog
- Cocco's lantern fish
- Cocha Antshrike
- Cocha Whiptail
- Cochabamba Grass Mouse
- Cochabamba Mountain Finch
- Cochabamba Robber Frog
- Cochabamba Skipperling
- Cochabamba toad
- Cochabamba Water Frog
- Cochero
- Cochineal
- Cochran frog
- Cochran's Guanabara Frog
- Cochran's lime treefrog
- Cochran's Neusticurus
- Cochran's snouted treefrog
- Cochu's blue tetra
- Cocinero
- Cock shrimp
- Cock-of-the-rock
- Cock-tailed Tyrant
- Cockatoo cichlid
- Cockle
- Cockscomb Cup Coral
- Coco sea catfish
- Cocoa damselfish
- Cocoa Thrush
- Cocoa Woodcreeper
- Cocoi Heron
- Coconuco Robber Frog
- Coconut Borer
- Coconut caterpillar
- Coconut Scale Predator
- Cocorro
- Cocosoda catfish
- Cocucci's Mini-Oil digger
- Coenus Sailor
- Cofan plump toad
- Cofan woodlizard
- Coffee & cream pleco
- Coffee Bean Dragonlet
- Coffee Bean Snail
- Coffee snake
- Coffee-bean tetra
- Coffee-loving Pyrausta Moth
- Coffeebean Trivia
- Coiban mastiff bat
- Coimbra-Filho's Titi
- Cola Skipperling
- Colan Water Frog
- Colares stingray
- Colaxes Metalmark
- Cold marsupial frog
- Colee's Racerunner
- Collared Anotosaura
- Collared Antshrike
- Collared Aracari
- Collared blind snake
- Collared Buccinum
- Collared Crescentchest
- Collared eel
- Collared Forest-Falcon
- Collared Gnatwren
- Collared Ground Snake
- Collared Inca
- Collared Peccary
- Collared Plover
- Collared Puffbird
- Collared Sand Anemone
- Collared Trogon
- Collared Tuco-tuco
- Collared Warbling Finch
- Collins' poison frog
- Collins's Squirrel Monkey
- Coln rocket frog
- Coloma’s glassfrog
- Coloma's Rainfrog
- Colombian Andes Frog
- Colombian backpack frog
- Colombian beaked toad
- Colombian big-eared brown bat
- Colombian black myotis
- Colombian Black Tarantula
- Colombian blenny
- Colombian blue-eyed anole
- Colombian brown tarantula
- Colombian Cane Mouse
- Colombian Central Andes Cloud Forest Mouse
- Colombian Chachalaca
- Colombian Checkered-Skipper
- Colombian Clawed Gecko
- Colombian Crake
- Colombian Crescent
- Colombian dog-faced bat
- Colombian Dusky-brown Tarantula
- Colombian dwarf numbfish
- Colombian Dwarf Tiger Tarantula
- Colombian Earth Snake
- Colombian Egg Frog
- Colombian Forest Mouse
- Colombian four-eyed frog
- Colombian frog
- Colombian Frog-eating Snake
- Colombian Funnel Web Spider
- Colombian giant glass frog
- Colombian Giant Redleg Tarantula
- Colombian giant toad
- Colombian goby
- Colombian Grass Mouse
- Colombian Hairstreak
- Colombian Leaf-toed Gecko
- Colombian lesserblack tarantula
- Colombian Lightbulb Lizard
- Colombian longtail snake
- Colombian Mithras
- Colombian Mountain Grackle
- Colombian Niputidea nurse frog
- Colombian Oldfield Mouse
- Colombian Owl-Butterfly
- Colombian pinkbloom tarantula
- Colombian plump frog
- Colombian Purplebloom
- Colombian Rainbow Boa
- Colombian Rainfrog
- Colombian Red Brocket
- Colombian Red Howler
- Colombian Rice Rat
- Colombian Ringtail
- Colombian Robber Frog
- Colombian Rufous Tree-rat
- Colombian Sailor
- Colombian sand eel
- Colombian Shark Catfish
- Colombian Skipper
- Colombian Slider
- Colombian Small-eared Shrew
- Colombian Speckled Tree-rat
- Colombian Spiny-rat
- Colombian stubfoot toad
- Colombian swamp frog
- Colombian Tapeti
- Colombian tetra
- Colombian Toad-headed Pitviper
- Colombian Vinegaroon
- Colombian Weasel
- Colombian Western Andes Cloud Forest Mouse
- Colombian Wood Turtle
- Colombian Worm Salamander
- Colon goby
- Colón Rainfrog
- Colonia Rain Frog
- Colonial anemone
- Colonial Tuco-tuco
- Colorado dwarf frog
- Colorado snapper
- Colorful Aeolid
- Colorful Hermit Crab
- Colorful Moon Snail
- Colorful Puffleg
- Colorful Sea Whip
- Colossal Flasher
- Colossal Roach
- Columbia Black Oyster
- Columbus swordtail
- Comb Bittersweet
- Comb Duck
- Comb grouper
- Comb jelly
- Combtooth dogfish
- Comet
- Comet Skipper
- Cominate sea catfish
- Commemorative microcaecilia
- Commensal Brittle Star
- Commensal Parchment Worm Crab
- Commensal sea urchin crab
- Commerson's Dolphin
- Commerson's frogfish
- Common Anastrus
- Common Atlantic Abra
- Common Atlantic Bubble
- Common Atlantic grenadier
- Common Ball Waterflea
- Common Banner
- Common Basilisk
- Common Bent-Skipper
- Common big-eared bat
- Common big-eared brown bat
- Common Big-headed Frog
- Common big-jawed spider
- Common bilineate Blackhead
- Common Black Hawk
- Common black mastiff bat
- Common black myotis
- Common Blue-eye
- Common Blue-Skipper
- Common Bluebloom Tarantula
- Common Brown Four-eyed Opossum
- Common Cactus Finch
- Common Caribbean Donax
- Common Cerrado Mouse
- common cheese puff sponge
- Common Chlorospingus
- Common Crab-eating Rat
- Common curled hydroid
- Common Degu
- Common Diving-Petrel
- Common Dolphin
- Common dwarf bonneted bat
- Common Egg Cockle
- Common encrusting soft coral
- Common fangtooth
- Common Fat-tailed Opossum
- Common Fjord Sea Star
- Common Four-eyed Opossum
- Common fringe-lipped bat
- Common Gallinule
- Common Green Lacewing
- Common Green Leafhopper
- Common Green Racer
- Common Ground Dove
- Common Groundstreak
- Common Hairy Triton Snail
- Common halfbeak
- Common Hydra
- Common Jingle
- Common Lancehead
- Common Largescale Lizard
- Common Light-striated Sea Star
- Common Mangrove Buckeye
- Common Mantis Shrimp
- Common Marmoset
- Common Mellana
- Common Melwhite
- Common Miner
- Common minke whale
- Common Moon Jelly
- Common mora
- Common Morpho
- Common Mountain Viscacha
- Common Mylon
- Common Nighthawk
- Common Nutmeg
- Common Octopus
- Common Olivewing
- Common Pacific Iguana
- Common Pauraque
- Common Peanut Worm
- Common Pericote
- Common Peru blind snake
- Common Plains Viscacha
- Common Potoo
- Common red Blackhead
- Common Red-nosed Mouse
- Common Red-rumped Agouti
- Common Rice Olive
- Common rocket frog
- Common Root Lizard
- Common Salp
- Common Scale-backed Antbird
- Common Scarlet-eye
- Common sea daisy
- Common Sea Skater
- Common seabird tick
- Common searobin
- Common shaggy bat
- Common Sieve Tortoise Beetle
- Common Silky Anteater
- Common snook
- Common snouted frog
- Common soft coral
- Common Spotted Night Snake
- Common Spurwing
- Common Stream Lizard
- Common Sundial
- Common sword-nosed bat
- Common Tan Wave
- Common Tapeti
- Common tent-making bat
- Common Tern
- Common Thestius
- Common thin-toed frog
- Common thresher
- Common Tody-flycatcher
- Common vampire bat
- Common Venezuelan water teiid
- Common Viscacha Rat
- Common Water Flea
- Common Water Rat
- Common West Indian Bubble
- Common Whiptail Catfish
- Common White Tatochila
- Common Woolly Monkey
- Common Yellowthroat
- Compact Carpenter Ant
- Compass Sea Squirt
- Complanula Skipper
- Compliant Skipper
- Concave-nosed Striped-Sweat bee
- Concepcion toad
- Conchfish
- Conda Skipper
- Condor cuilanes
- Cóndor poison frog
- Condor Robber Frog
- Condor Shrew-opossum
- Cóndor stream frog
- Condorir's Andes Frog
- Condoto stubfoot toad
- Cone snail
- Cone-billed Tanager
- Cone-headed katydid
- Cone-web Curl-leaf Spider
- Conebill
- Conehead Termite
- Coney
- Conflua Skipper
- Confluent Sigil Lady Beetle
- Confusa Tigerwing
- Confused Coral Snake
- Confused Metalmark
- Confused Satyr
- Confusing Firetip
- Confusing rocket frog
- Confusing Skipper
- Conger
- Congo sea catfish
- Connecticut Warbler
- Connexa Skipperling
- Conservation landfrog
- Conspicuous Ommatolampis
- Constanze's Tree Iguana
- Constellationfish
- Constricted Macoma
- Contracted Cowry Helmet
- Contracted Semele
- Contreras' Water Frog
- Contreras's Tuco-tuco
- Contulmo ground frog
- Convict Caterpillar
- Convict surgeonfish
- Cooco Andes Frog
- Cook's Hocicudo
- Cook's Petrel
- Cookie cutter shark
- Cookie Star
- Cooper's Hawk
- Coopmans's Elaenia
- Coopmans's tyrannulet
- Coot
- Cope's Bachia
- Cope's Blind Snake
- Cope's brown treefrog
- Cope's eastern Paraguay treefrog
- Cope's Mabuya
- Cope's Parrot Snake
- Cope’s swamp frog
- Cope's Tropical Racer
- Cope's Vine Snake
- Copepod
- Copper Joe
- Copper Lobster
- Copper Metallic Tree Spider
- Copper Parrot Snake
- Copper plec
- Copper Seedeater
- Copper shark
- Copper tetra
- Copper Whorltail Iguana
- Copper-colored thin-toed frog
- Copper-rumped Hummingbird
- Copper-tailed Hummingbird
- Coppery Emerald
- Coppery Metaltail
- Coppery Stingless Bee
- Coppery Thorntail
- Coppery Titi
- Coppery-bellied Puffleg
- Coppery-chested Jacamar
- Coppinger's spiny-chest frog
- Coquette
- Coquito sergeant
- Coral Clinging Crab
- Coral Firetail
- Coral Gall Crab
- Coral hawkfish
- Coral red pencilfish
- Coral scorpionfish
- Coral Snapping Shrimp
- Coralbrotula
- Coralliform catadysis
- Corallimorph
- Coraya Wren
- Corbulo Skipper
- Corcovado treefrog
- Cord arm star
- Cordeiro's Humming Frog
- Cordillera Azul Antbird
- Cordillera Azul giant glass frog
- Cordillera Central treefrog
- Cordillera Colan marsupial frog
- Cordillera Occidental rocket frog
- Cordillera Slender Opossum
- Cordilleran Canastero
- Cordilleran Parakeet
- Cordoba Cinclodes
- Córdoba livebearer
- Córdoba tree frog
- Córdoba Tuco-tuco
- Córdoba Vesper Mouse
- Corilla Scarlet-eye
- Corinna Daggerwing
- Corkscrew Anemone
- Corky Sea Finger
- Corn earworm
- Corn Leafhopper
- Cornetfish
- Coroatá
- Corocoro grunt
- Coronet
- Corope Skipper
- Córrego Grande big-headed frog
- Córrego toothcarp
- Correndera Pipit
- Corroncho
- Corrugate Jewelbox
- Corrugate Solecurtus
- Corrugated Coral
- Corsiana Skipper
- Cortez angelfish
- Cortez Barrel Shrimp
- Cortez rainbow wrasse
- Cortez sea chub
- Corumba cichlid
- Coruro
- Corusca Skipper
- Corvina
- Corvina drum
- Cory's Shearwater
- Corydoras
- Cosa Hairstreak
- Coscoroba Swan
- Cosinga Firetip
- Cosmopolitan celleporella
- Cospa
- Cossea Skipper
- Costa Rican green tarantula
- Costa Rican Hoary-Skipper
- Costa Rican Swift
- Costa-spotted Beautymark
- Costa-spotted Mimic-White
- Costala Skipperling
- Costate Lucine
- Cosyra Skipper
- Cotiara
- Cotinga
- Cotinga River Toadhead Turtle
- Cotopaxi Robber Frog
- Cotopaxi rocket frog
- Cotton rat
- Cotton Spotted Pleco
- Cotton-top Tamarin
- Cottonmouth jack
- Cottonwick grunt
- Cotuero toadfish
- Cotundo Skipper
- Coues's Climbing Rat
- Coues's Marsh Rice Rat
- Couma sea catfish
- Country Leaf-toed Gecko
- Cowbird
- Cownose ray
- Cowrie
- Cox's Stefania
- Coypu
- Cozumelan golden bat
- Crab spider
- Crab-eating Fox
- Crab-eating Raccoon
- Crab-eating rat
- Crab's Claw Skipper
- Cracker butterfly
- Crafty Marsh Rat
- Crafty moray
- Crafty Vesper Mouse
- Crag Chilia
- Crake
- Cramer's Mesene
- Cramer's Ringlet
- Cramer's Satyr
- Cramer’s Scrub-Hairstreak
- Cramer's Sphinx
- Cramer's Swallowtail
- Crampton's tube-snouted ghost knifefish
- Crane Hawk
- Cranwell's Horned Frog
- Cranwell's Tree Iguana
- Crassus Swallowtail
- Crazy ant
- Creaky Dart
- Cream-backed Woodpecker
- Cream-colored Lady Beetle
- Cream-colored Woodpecker
- Cream-spotted Tigerwing
- Cream-winged Cinclodes
- Creamy Sister
- Creamy-bellied Antwren
- Creamy-bellied Gnatcatcher
- Creamy-bellied Thrush
- Creamy-breasted Canastero
- Creamy-crested Spinetail
- Creamy-rumped Miner
- Creek livebearer
- Creek tetra
- Creighton's Slender Opossum
- Creole Cone
- Creole perch
- Creole wrasse
- Creolefish
- Creona Firetip
- Crescent (butterfly)
- Crescent-chested Puffbird
- Crescent-faced Antpitta
- Crescentchest
- Cresson's Firetip
- Crested Ant Tanager
- Crested Becard
- Crested bigscale
- Crested Black-tyrant
- Crested blenny
- Crested Bobwhite
- Crested Capuchin
- Crested Caracara
- Crested Doradito
- Crested Duck
- Crested Eagle
- Crested Gallito
- Crested goby
- Crested Guan
- Crested Hornero
- Crested oarfish
- Crested Oropendola
- Crested Owl
- Crested pipefish
- Crested Quetzal
- Crested scabbardfish
- Crested Spinetail
- Crested spiny plunderfish
- Crested tinamou
- Crestless Curassow
- Cretatus Flasher
- Crethon Daggerwing
- Creusae Firetip
- Creutzberg's Spurilla
- Crevalle jack
- Crevice Brittle Star
- Crimson Fruitcrow
- Crimson Patch
- Crimson Threadtail
- Crimson Topaz
- Crimson-backed Tanager
- Crimson-bellied Parakeet
- Crimson-bellied Woodpecker
- Crimson-breasted Finch
- Crimson-crested Woodpecker
- Crimson-fronted Cardinal
- Crimson-hooded Manakin
- Crimson-mantled Woodpecker
- Crimson-rumped Toucanet
- Crines Hairstreak
- Crinisus Skipper
- Cripplefin lanternfish
- Crisia Mimic-White
- Crisp Skipper
- Crisppatch Skipper
- Crista Firetip
- Cristina's Robber Frog
- Crithoe Skipperling
- Croaker
- Croaking Ground Dove
- Croaking tetra
- Crocodile shark
- Crocodile Tegu
- Croesus eyemark
- Crolinus Hairstreak
- Crombie’s dwarf frog
- Crooked Worm Lizard
- Cropan's Boa
- Cross-barred White
- Cross-hatched Lucine
- Cross' Wave
- Crosshatch bass
- Crossthroat sawpalate
- Crown Cone
- Crown Ground Snake
- Crown-of-thorns starfish
- Crowned Broad-headed Rainfrog
- Crowned Chat-tyrant
- Crowned false boa
- Crowned Hairstreak
- Crowned sea urchin
- Crowned Slaty Flycatcher
- Crowned Woodnymph
- Crubixa snouted treefrog
- Crucifix sea catfish
- Crump treefrog
- Cruz Lima's Saddle-back Tamarin
- Cruz Robber Frog
- Cruz's treefrog
- Crying cory
- Cryptic Becard
- Cryptic Forest-Falcon
- Cryptic golden tegu
- Cryptic Hairstreak
- Cryptic Racerunner
- Cryptic Remella
- Cryptic Robber Frog
- Cryptic Satyr
- Cryptic sea cradle
- Cryptic Skipper
- Cryptic Spectacled Tegu
- Cryptic Teardrop Crab
- Cryptic torrenteer
- Crystal Comb Jelly
- Crystal Red Tetra
- Crystal-banded Skipper
- Cuban anchovy
- Cuban dogfish
- Cuban Martin
- Cuban Sphinx
- Cuban Stone Crab
- Cubbyu
- Cubera snapper
- Cuckoo bee
- Cuckoo wasp
- Cucullina Satyr
- Cuddly cory
- Cuenca marsupial frog
- Cuenca Nelson Frog
- Cueva del Fantasma rocket frog
- Cuilanes of Hillis
- Cuiva Penelfin
- Culpeo
- Cuming's Cone
- Cundinamarca Antpitta
- Cundinamarca Robber Frog
- Cundinamarca toad
- Cunha's Brazilian Lizard
- Cunningham's triplefin
- Cupavia Skipperling
- Cupentus Hairstreak
- Cuphead skate
- Curaçao black widow
- Curaçao jawfish
- Curaçao myotis
- Curacao Striped Anole
- Curaçao Whiptail
- Curassow
- Curator brotula
- Curicen Tree Iguana
- Curious Skipper
- Curipe Toothcarp
- Curitiba Firetip
- Curl-crested Aracari
- Curl-crested Jay
- Curlew
- Cursorial Grass Mouse
- Curuá Stream Pleco
- Curuá Toad Pleco
- Curua Zebra Pleco
- Curumim tube-snouted ghost knifefish
- Curupi treefrog
- Cururu stingray
- Curve-billed Reedhaunter
- Curve-billed Scythebill
- Curve-billed Tinamou
- Curve-lined Cydosia
- Curve-lined Theope
- Curve-winged Metalmark
- Curved sweeper
- Curved-lined Homostinea Moth
- Curvirostris tube-snouted ghost knifefish
- Cusco Andes Frog
- Cusco gladiator tree frog
- Cusco Hocicudo
- Cusco Tegu Lizard
- Cusco triangular-headed frog
- Cusk-eel
- Cut-Ribbed Ark
- Cute pleco
- Cutlassfish
- Cutworm
- Cuvier's Beaked Whale
- Cuvier's dwarf caiman
- Cuvier's Purplewing
- Cuvier's Spiny-rat
- Cuyaba dwarf frog
- Cuyuja Robber Frog
- Cuzco Brushfinch
- Cuzco Cochran frog
- Cuzco Frog
- Cuzco robber frog
- Cuzco Warbler
- Cyan Emperor
- Cyan Tree Iguana
- Cycadian
- Cyclope flounder
- Cyclops Sootywing
- Cydno Longwing
- Cydonia Hairstreak
- Cydrara Hairstreak
- Cylindrical lantern shark
- Cyna Blue
- Cynea Skipper
- Cynosura eighty-eight
- Cypress Emerald
- Cypris Morpho
- Cyprius Skipperling
- Cypselus Skipperling
- Cyrus Skipper
- Cytheris Fritillary
- D’Andrea's Punare
- D'Elía's Pygmy Rice Rat
- D'Orbigny's Banded Anole
- D'Orbigny's Chat-tyrant
- D'Orbigny's slider
- D'Orbigny's toad
- Dacnis
- Dagger eyemark
- Daggerbill
- Daggernose shark
- Daggerwing
- Dagmar’s dragonet
- Dagua Thrush
- Dahl's toad-headed turtle
- Dahners' Hairstreak
- Dainty Blind Snake
- Dainty Sulphur
- Daisy midshipman
- Daleswanson's poison frog
- Dall's Chromodorid
- Dall's Cone
- Dalla-like Skipper
- Dalmatian sea slug
- Dama Skipper
- Damippe Firetip
- Damsel bass
- Damselfish
- Damselfly
- Dana pearleye
- Dana swimming crab
- Dana viperfish
- Danaid Eggfly
- Dancer (damselfly)
- Dancing Fiddler Crab
- Daniel's Keelback
- Daniel's Largescale Lizard
- Daniel's Tropical Racer
- Danto Robber Frog
- Danubio Robber Frog
- Daphne's Oldfield Mouse
- Dappled Anole
- Dappled catfish
- Daquilema's Rain Frog
- Daraba Desert Groundstreak
- Darceta Sphinx
- Dardus Underleaf Butterfly
- Dares Skipper
- Daridaeus Skipperling
- Darién Pocket Gopher
- Darién Small-eared Shrew
- Daring Owl-Butterfly
- Dark Apricot Sulphur
- Dark Blind Snake
- Dark Calephelis
- Dark Cerith
- Dark cheek tongue
- Dark Cycadian
- Dark dwarf cichlid
- Dark Four-eyed Opossum
- Dark freckled catshark
- Dark fruit-eating bat
- Dark Ghost-Skipper
- Dark Grass Mouse
- Dark Ground Snake
- Dark Kite-Swallowtail
- Dark long-tongued bat
- Dark Mantis Shrimp
- Dark Owl-Butterfly
- Dark Purplewing
- Dark Rover Ant
- Dark Saliana
- Dark Telemiades
- Dark Tree-rat
- Dark Tufted-Skipper
- Dark Whorltail Iguana
- Dark Worm Snail
- Dark-backed Wood-Quail
- Dark-banded Mantis Shrimp
- Dark-banded Owlet
- Dark-belled Spindle Snake
- Dark-bellied Cinclodes
- Dark-belly skate
- Dark-billed Cuckoo
- Dark-breasted Spinetail
- Dark-cheeked Scarlet-eye
- Dark-edged Eusarca Moth
- Dark-faced Ground-tyrant
- Dark-fronted Dasher
- Dark-furred Akodont
- Dark-marked Wave
- Dark-patched Skipper
- Dark-saddled Darner
- Dark-sided Calligrapher
- Dark-spot Cadlina
- Dark-spot mojarra
- Dark-spotted Palthis Moth
- Dark-spotted thin-toed frog
- Dark-throated Seedeater
- Dark-winged Canastero
- Dark-winged Miner
- Dark-winged Trumpeter
- Darkened Crescent
- Darker Diacme Moth
- Darkfin jawfish
- Darkling beetle
- Darksaddle blenny
- Darkside pumpkin toadlet
- Darkspotted catfish
- Darner
- Darter
- Darter characin
- Darter characine
- Darter goby
- Darter tetra
- Dartwhite
- Darwin Wallace poison-frog
- Darwin's beetle
- Darwin's Fox
- Darwin's Frog
- Darwin's Hocicudo
- Darwin's iguana
- Darwin's Leaf-eared Mouse
- Darwin's Leaf-toed Gecko
- Darwin's Marked Gecko
- Darwin's Nothura
- Darwin's Ringed Worm Lizard
- Darwin's sanddab
- Darwin's slimehead
- Darwin's Stiletto Fly
- Darwin's Tree Iguana
- Dash goby
- Dash-dot Tetra
- Dashe's nectar bat
- Dashed catfish
- Dashed knifefish
- Dashed livebearer
- Davara Scrub-Hairstreak
- David's angelshark
- Davies's big-eared bat
- Davison's mastiff bat
- Davy's naked-backed bat
- Dawn tetra
- Day's Grass Mouse
- Dazzling Glasswing
- De Ávila Pires's Humming Frog
- De Jong's Skipper
- De Vivo's disk-winged bat
- Dead man's finger
- Deadwood Borer Moth
- Death-mask Spurwing
- Decca Skipperling
- Deceptive Melipona
- Decinea Skipper
- Decora Skipper
- Decorated splitfin goby
- Decorated Tree Iguana
- decussate bittersweet clam
- Decussate distorsio
- Decussate Worm Shell
- Dedecora Skipper
- Deep Sea Giant Hermit Crab
- Deep shrimp
- Deep-Blue Eyed-Metalmark
- Deep-blue Metalmark
- Deep-bodied pipefish
- Deep-dwelling moray
- Deep-green Hairstreak
- Deep-sea lizardfish
- Deep-sea skate
- Deep-water catshark
- Deep-water coral clam
- Deep-water drum
- Deepbody boarfish
- Deepreef scorpionfish
- Deepscale slickhead
- Deepwater conger
- Deepwater dab
- Deepwater flounder
- Deepwater lanternfish
- Deepwater Sea Fan
- Deepwater serrano
- Deepwater slipskin
- Deepwater squirrelfish
- Deepwater tonguefish
- Deepwater worm eel
- Deer fly
- Deer-faced cory
- Degenhardt's Scorpion-eating Snake
- Degerbol's blind snake
- Degranville's rocket frog
- Degu
- Deichmann's Fiddler Crab
- Dejected Satyr
- Dekeyser's nectar bat
- Dekeyseria sp. L052
- Delalande Skipper
- Delicate Ameiva
- Delicate barnacle
- Delicate cellaria
- Delicate Coral Crab
- Delicate hydroid
- Delicate Pygmy Rice Rat
- Delicate Red-nosed Tree Mouse
- Delicate Robber Frog
- Delicate Salt Flat Mouse
- Delicate Sea Slug
- Delicate Skipper
- Delicate Slender Opossum
- Delicate Swimming Crab
- Delicate Sylph
- Delicate Vesper Mouse
- Delightful Donacaula Moth
- Delineated Sister
- Delius' Rainfrog
- Delsman's flounder
- Delta Amacuro Softtail
- Delta Anole
- Delta bonneted bat
- Delta pikeblenny
- Delta-fronted Sylph
- Deltoid Rock Shell
- Demarmels' Skipper
- Demea Hairstreak
- Demerara Falls treefrog
- Demeter Longwing
- Demini Leopard Cactus Pleco
- Demon eartheater
- Demonic poison-arrow frog
- Dense-scale lantern shark
- Dentate Lucine
- Dentate Sister
- Derasa Skipper
- Derby's Woolly Opossum
- Derisor Skipper
- Dero Clearwing
- Deroy's cuskeel
- Des Murs's Wiretail
- DeSchauensee's Anaconda
- Desengano big-headed frog
- Desert Coral Snake
- Desert Firetail
- Desert Lancehead
- Desert Pixie
- Desmarest's Spiny Pocket Mouse
- Despax's Ground Snake
- Despax's Parrot Snake
- Despax's Robber Frog
- Detracted Owlet
- Deva yellow
- Devergens Skipper
- Devil ray
- Devil's Head Spotted Night Snake
- Devil's tonguefish
- DeVille's Robber Frog
- DeVries’ Theope
- Deweyer’s Corydoras
- Dia Leafwing
- Diabolical Fungus Moth
- Diadem Cone
- Diadem Robber Frog
- Diademed Amazon
- Diademed Sandpiper-Plover
- Diademed Tanager
- Diademed Tapaculo
- Diamantina Sabrewing
- Diamantina Tapaculo
- Diamond blenny
- Diamond lizardfish
- Diamond Spottail
- Diamond stingray
- Diamond tetra
- Diamondback puffer
- Diamondback Squid
- Diamondcheek lanternfish
- Diana's Coral Snake
- Diaphanous hatchetfish
- Diaphorus Scarlet-eye
- Diauarum Grass Mouse
- Dibernardo's casque-headed tree frog
- Dicaea Hairstreak
- DiCaprio's leaflitter frog
- DiCaprio’s snail-eating snake
- Dicaprio's Squat Anemone Shrimp
- Dickcissel
- Dickinson's wood lizard
- Difficult Sea Cucumber
- Difficult Skipper
- Difoliate Orbweaver
- Digger bee
- Digger wasp
- Digitate cusk eel
- Digitate Thorny Oyster
- Diguet's Pleurobranchus
- Diluted Skipper
- Dimera Sulphur
- Dimidiatus Skipperling
- Diminutive myotis
- Diminutive serotine
- Diminutive worm eel
- Dimorphic Lichen Cicada
- Dimorphic Macalla Moth
- Dimorphic Tosale Moth
- Dinelli's Doradito
- Dingy Metalmark
- Dingy Purplewing
- Dinira Small-eared Shrew
- Dinora Metalmark
- Diogenes lanternfish
- Diomedes' Sapsucker
- Dipper
- Dirce Beauty
- Dirty bandit cory
- Dirty Rainfrog
- Dirty spiny sea cradle
- Dirty thicklip thornycat
- Disc Robber Frog
- Disc web spider
- Discoid Roach
- Disconnexa Skipperling
- Discovery Ground Snake
- Discus
- Discus ray
- Discus tetra
- Disdained Orchid Bee
- Disjunct Skipper
- Disjunct Yellow
- Disk Dosinia
- Disk tetra
- Disk-winged bat
- Distinguished Fiddler Crab
- Distinguished Oldfield Mouse
- Distogray Calephelis
- Ditzler's Darner
- Diuca Finch
- Divaricate Hairy-eyed Sweat Bee
- Divergent Nightshade Weevil
- Dividing Sea Star
- Diving beetle
- Diving lizard
- Diving petrel
- Dixon's Anotosaura
- Dixon's Bachia
- Dixon's ground snake
- Dixon's Leaf-toed Gecko
- Dixon's striped firefly
- Dobsonfly
- Doc Bale's Ark
- Doctorfish
- Dodava Hairstreak
- Doello jurado's sponge
- Doflein's lanternfish
- Dog snapper
- Dog-faced bat
- Dog-head Triton
- Dog-like bat
- Dogface
- Dogface witch eel
- Dognin's Skipperling
- Dogteeth weakfish
- Dogtooth grenadier
- Dogtooth herring
- Dogtooth lampfish
- Dolium Hairstreak
- Dolores Grass Mouse
- Dolphin cichlid
- Dolphin Gull
- Dolylas Hairstreak
- Dominique's Penelfin
- Don Simón rocket frog
- Donacobius
- Donkey Dung Sea Cucumber
- Donkey Thorny Oyster
- Donnelly's arthrosaura
- Donoso-Barros' Tree Iguana
- Dora Skipperling
- Dorada
- Doradito
- Dorado
- Dorantes Longtail
- Dorbigny's Bachia
- Dorbigny's Blackhead
- Dorbigny's Tree Iguana
- Dorilis Metalmark
- Doris Longwing
- Doris' lime treefrog
- Dorothy's Fiddler Crab
- Dory
- Dosinia-like Lucine
- Dot-backed Antbird
- Dot-collared Firetip
- Dot-eared Coquette
- Dot-faced Katydid
- Dot-fronted Woodpecker
- Dot-lined Angle
- Dot-lined Wave
- Dot-lined White
- Dot-winged Antwren
- Dot-winged Crake
- Dotted Bristle Sea Slug
- Dotted Brown Snake
- Dotted Carteris Moth
- Dotted corydoras
- Dotted Diatraea
- Dotted dwarf cichlid
- Dotted Flat
- Dotted Galliwasp
- Dotted glory butterfly
- Dotted Humming Frog
- Dotted Metalmark
- Dotted Prince
- Dotted snake pleco
- Dotted Tanager
- Dotted Thestius
- Dotterel
- Dotterel filefish
- Double-banded Banner
- Double-banded Coral Snake Mimic
- Double-banded Graytail
- Double-banded Plushback
- Double-banded Pygmy-tyrant
- Double-collared Seedeater
- Double-dotted Skipper
- Double-lined Brown Moth
- Double-patched Hairstreak
- Double-spotted Owl-Butterfly
- Double-striped Longtail
- Double-striped Thick-knee
- Double-toothed Kite
- Doublebanded dwarf cichlid
- Doublespot acara
- Doublethread grenadier
- Dove's longfin herring
- Dow's mojarra
- Dow's toadfish
- Dowitcher
- Downy blenny
- Drab Atlantic Tree-rat
- Drab Ground Snake
- Drab Hemispingus
- Drab Lightbulb Lizard
- Drab Seedeater
- Drab Shade Lizard
- Drab sole
- Drab tonguefish
- Drab Water Tyrant
- Drab-breasted Pygmy-tyrant
- Dracula Anole
- Dragon fin cory
- Dragon Hi Fin Pleco
- Dragon Mantis
- Dragon of Torres
- Dragon of Torres-Mura
- Dragon-headed Bug
- Dragonet
- Dragonfin tetra
- Dragonfish
- Dragonlet
- Draudt's Hairstreak
- Draudt's Myscelus
- Dressy Oldfield Mouse
- Driftwood catfish
- Drogon's Satyr
- Drop Knifefish
- Druce's Underleaf Butterfly
- Dry Chaco Fat-tailed Opossum
- Dryland Mouse Opossum
- Drylands tree frog
- Drylands Vesper Mouse
- Drymo Satyr
- Duarte's snouted treefrog
- Duas Barras dwarf frog
- Duas Barras spinythumb frog
- Duas Barras white-lipped frog
- Dubia roach
- Dubious Cerith
- Dubious Hairy-Woodborer
- Dubois's Seedeater
- Dubost's Bristly Mouse
- Ducal Arcas
- Duck Foot Snouted Frog
- Duck-billed eel
- Duckbill barracudina
- Duckbill catfish
- Duckbill flathead
- Duckbill oceanic eel
- Duckbill Tagelus
- Duckweed miner fly
- Duellman's Robber Frog
- Duellman's spiny-backed frog
- Duellman's Tree Iguana
- Dugand's Antwren
- Dugand's blind snake
- Duida Cochran frog
- Duida Grass Finch
- Duida Woodcreeper
- Dulcinea Firetip
- Dull Eyed Royal pleco
- Dull Flasher
- Dull rocket frog
- Dull-capped Attila
- Dull-colored Grassquit
- Dull-mantled Antbird
- Dumbo octopus
- Dumenil's Hairstreak
- Dumeril Skipper
- Dumeril's Boxtail Snake
- Dumeril's Diadem Snake
- Duméril's False Coral Snake
- Dumeril's lanternfish
- Dumeril's striped frog
- Duméril's Whorltail Iguana
- Dumeril's Worm Lizard
- Dune Gerbil Mouse
- Dune Tuco-tuco
- Dung beetle
- Dunker's Dosinia
- Dunlin
- Dunn's Caecilian
- Dunn's Ground Snake
- Dunn's Mabuya
- Dunn's marsupial frog
- Dunn's mud turtle
- Dunn's rocket frog
- Dunn's Saphenophis Snake
- Dunn's Snail Sucker
- Dunn's Tree Snake
- Duponchel's Sphinx
- Durant's glass frog
- Durrell's glassfrog
- Dushia Flabellina
- Dusky Antbird
- Dusky Arboreal Rice Rat
- Dusky blenny
- Dusky cardinalfish
- Dusky catshark
- Dusky Chlorospingus
- Dusky cusk-eel
- Dusky damselfish
- Dusky Dancer
- Dusky Dolphin
- Dusky finless skate
- Dusky flounder
- Dusky Groundling
- Dusky grouper
- Dusky Herpetogramma Moth
- Dusky Hover Fly
- Dusky jawfish
- Dusky lanternfish
- Dusky millions fish
- Dusky Owl-Butterfly
- Dusky panaque
- Dusky Parrot
- Dusky Pigeon
- Dusky Piha
- Dusky Purpletuft
- Dusky Raisin Moth
- Dusky Rice Rat
- Dusky Sap Beetle
- Dusky sergeant
- Dusky shark
- Dusky Shrew-opossum
- Dusky Slender Opossum
- Dusky smooth-hound
- Dusky snake eel
- Dusky Spinetail
- Dusky squirrelfish
- Dusky Starfrontlet
- Dusky Tapaculo
- Dusky-backed Jacamar
- Dusky-billed Parrotlet
- Dusky-blue Groundstreak
- Dusky-capped Flycatcher
- Dusky-capped Greenlet
- Dusky-capped Woodcreeper
- Dusky-cheeked Foliage-gleaner
- Dusky-chested Flycatcher
- Dusky-faced Tanager
- Dusky-green Oropendola
- Dusky-headed Brushfinch
- Dusky-headed Parakeet
- Dusky-legged Guan
- Dusky-tailed Antbird
- Dusky-tailed Canastero
- Dusky-tailed Flatbill
- Dusky-throated Antshrike
- Dusky-throated Hermit
- Duskycheek tonguefish
- Duskywing
- Dusty Lichen Cicada
- Dusty Skimmer
- Dutch Leaf-toed Gecko
- Duviols' Penelfin
- Dwarf Arboreal Rice Rat
- Dwarf batfish
- Dwarf blenny
- Dwarf boa
- Dwarf Brittle Star
- Dwarf caiman
- Dwarf Chilean Flame Tarantula
- Dwarf cichlid
- Dwarf codling
- Dwarf corydoras
- Dwarf Cuckoo
- Dwarf Cup Coral
- Dwarf dog-faced bat
- Dwarf dory
- Dwarf Fat-tailed Opossum
- Dwarf frog
- Dwarf frog shell
- Dwarf frogfish
- Dwarf fruit-eating bat
- Dwarf gecko
- Dwarf Glider
- Dwarf goatfish
- Dwarf hatchetfish
- Dwarf Keyhole Limpet
- Dwarf lantern shark
- Dwarf little fruit bat
- Dwarf marbled catfish
- Dwarf Mini-Oil digger
- Dwarf mullet
- Dwarf orb weaver
- Dwarf panaque
- Dwarf pencilfish
- Dwarf pike cichlid
- Dwarf Pink Leg Tarantula
- Dwarf Planaxis
- Dwarf porcupine
- Dwarf Rain Frog
- Dwarf Robber Frog
- Dwarf round herring
- Dwarf sand perch
- Dwarf saury
- Dwarf scorpionfish
- Dwarf Sea Cucumber
- Dwarf sheet spider
- Dwarf sicklefin chimaera
- Dwarf smooth-hound
- Dwarf snouted treefrog
- Dwarf Sperm Whale
- Dwarf squirrel
- Dwarf swamp frog
- Dwarf Tawny Wave
- Dwarf Tiger Lucine
- Dwarf Tinamou
- Dwarf treefrog
- Dwarf Tyrant-manakin
- Dwarf Violet Snail
- Dwarf wrasse
- Dyar's Lichen Moth
- Dyar's Myscelus
- Dyar's Swallowtail
- Dyeing poison frog
- Dyson's Keyhole Limpet
- Dyson's Silverpatch
- Dyson's White
- Eagle ray
- ear ancilla
- Eared ark
- Eared Dove
- Eared Pygmy-tyrant
- Earless Water Mouse
- Earspot cusk eel
- Earth snake
- Earthcreeper
- Eartheater
- East Amazonian Fire-eye
- East Andean Antbird
- East Brazilian Chachalaca
- East Pacific codlet
- East Pacific Land Crab
- East Pacific Sea Skater
- East-Mexican acacia skipper
- Eastern Amazonian Dwarf Porcupine
- Eastern Auger
- Eastern Black-handed Tamarin
- Eastern Caecilian
- Eastern Cordillera Small-eared Shrew
- Eastern cordilleran nectar bat
- Eastern Cottontail
- Eastern giant glass frog
- Eastern glass frog
- Eastern Greater Long-nosed Armadillo
- Eastern Kingbird
- Eastern Lineodes Moth
- Eastern Lowland Olingo
- Eastern Meadowlark
- Eastern Oyster
- Eastern Pacific black chimaera
- Eastern Pacific Black Ghostshark
- Eastern Pacific bonefish
- Eastern Pacific bonito
- Eastern Pacific fighting conch
- Eastern Pacific flagfin
- Eastern Pacific Giant Conch
- Eastern Pacific Long-beaked Common Dolphin
- Eastern Pacific roughy
- Eastern Red-handed Howler
- Eastern Striolated-Puffbird
- Eastern Surf Chiton
- Eastern Tailed-Blue
- Eastern Tepui rocket frog
- Eastern Whorltail Iguana
- Eastern Wood-pewee
- Eastern Yellow-toothed Cavy
- Eaton's skate
- Ebert's Skipper
- Eburones Skipperling
- Echina Skipper
- Echternacht's Ameiva
- Ecominga Montane Rat
- Ecuador Anole
- Ecuador banjo catfish
- Ecuador Blind Snake
- Ecuador Cochran frog
- Ecuador Desert Tegu
- Ecuador Frog-eating Snake
- Ecuador horned treefrog
- Ecuador Leaf Frog
- Ecuador Mushroomtongue Salamander
- Ecuador Pleco
- Ecuador poison frog
- Ecuador Robber Frog
- Ecuador Silent Frog
- Ecuador Sipo
- Ecuador skate
- Ecuador slender-legged treefrog
- Ecuador Snail-eater
- Ecuadoran spiny-backed frog
- Ecuadorean Akodont
- Ecuadorean Cotton Rat
- Ecuadorean Crab-eating Rat
- Ecuadorean Grass Mouse
- Ecuadorean Ground Snake
- Ecuadorean Mountain Mouse
- Ecuadorean Mountain Viscacha
- Ecuadorean Purple Tarantula
- Ecuadorean Small-eared Shrew
- Ecuadorean Spiny Pocket Mouse
- Ecuadorean tailless bat
- Ecuadorean Tapeti
- Ecuadorean Water Rat
- Ecuadorian Birdeater
- Ecuadorian brownvelvet tarantula
- Ecuadorian Cacique
- Ecuadorian Deep-sea Scorpionfish
- Ecuadorian Eyelash-Pitviper
- Ecuadorian forest toad
- Ecuadorian Fritillary
- Ecuadorian fruit-eating bat
- Ecuadorian Ground Dove
- Ecuadorian Hermit Crab
- Ecuadorian Hillstar
- Ecuadorian Horned Frog
- Ecuadorian leaflitter frog
- Ecuadorian little yellow bat
- Ecuadorian long-tongued bat
- Ecuadorian Milksnake
- Ecuadorian Orange Tarantula
- Ecuadorian Piculet
- Ecuadorian Piedtail
- Ecuadorian Rainfrog
- Ecuadorian Red Bloom Tarantula
- Ecuadorian sac-winged bat
- Ecuadorian Seedeater
- Ecuadorian Squirrel Monkey
- Ecuadorian Tapaculo
- Ecuadorian Thrush
- Ecuadorian Toad-headed Pitviper
- Ecuadorian Trogon
- Ecuadorian Tyrannulet
- Ecuadorian worm salamander
- Ecuadorian yellow tarantula
- Eden Harbour toad
- Edge Leafwing
- Edible Chilean Sea Urchin
- Edible sea squirt
- Edlich's Skipper
- Edward's Bark Scorpion
- Edward’s Middle American Ameiva
- Edwards spider crab
- Edwards' rocket frog
- Edwards's Long-clawed Mouse
- Eel cory
- Eelgrass blenny
- Eelpout
- Effusa Skipper
- Ega long-tongued bat
- Eggers’ Pygmy Snapping Ant
- Eggplant Leafroller Moth
- Eggplant Webworm Moth
- Egina Daggerwing
- Egma Skipper
- Ehrhardt's snouted treefrog
- Eigenmann's anchovy
- Eigenmann's Cercosaura
- Eigenmann's toothcarp
- Eight-barred Lygropia Moth
- Eight-rib Emarginula
- Eight-spot Moth
- Eight-spotted Flea Beetle
- Eight-spotted Longtail
- Eighteen-scaled Worm
- Eighty butterfly
- Eileen's Tuco-tuco
- Eirunepe snouted treefrog
- Eiselt's Caecilian
- El Ávila glass frog
- El Boquerón rocket frog
- El Cairo glass frog
- El Carmelo Robber Frog
- El Cedro Robber Frog
- El Centro Caecilian
- El Chape toad
- El Chuscal glass frog
- El Cóndor glass frog
- El Dorado Grass Mouse
- El Mene treefrog
- El Oro Parakeet
- El Pahuma Rainfrog
- El Pepino treefrog
- El Reventador Caecilian
- El Tambo Caecilian
- El Tambo marsupial frog
- El Tambo stubfoot toad
- El Topo Robber Frog
- El Tovar glass frog
- Elaenia
- Elastic eel
- Elaudia Bent-Skipper
- Eldorado broad-nosed bat
- Eldorado spinythumb frog
- Eldorado tree toad
- Electric lantern fish
- Electric ray
- Electron subantarctic
- Elegant Anteros
- Elegant Ark
- Elegant corydoras
- Elegant Crescentchest
- Elegant Crested-Tinamou
- Elegant dosinia
- Elegant Fat-tailed Opossum
- Elegant feather star
- Elegant forest treefrog
- Elegant Hermit Crab
- Elegant pencilfish
- Elegant Rice Rat
- Elegant Robber Frog
- Elegant Sea Anemone
- Elegant stubfoot toad
- Elegant Tern
- Elegant Theope
- Elegant Woodcreeper
- Elegant Zebra Pleco
- Elegant-spined Atlantic Spiny-rat
- Eleodor's Tree Iguana
- Elephant beetle
- Elephant Ear Sea Fan
- Elephant Ear Sponge
- Elephant Water Flea
- Eleuchia Longwing
- Eleusis white
- Eleven-striped blind snake
- Elf Butterfly
- Elfin Forest Hocicudo
- Elias's Spiny-rat
- Elicio's marsupial frog
- Eliécer’s Bristly Mouse
- Eligius Flat
- Elis Mithras
- Elisabeth's Penelfin
- Elissa Page
- Elizabeth's dwarf cichlid
- Elkhorn coral
- Elkhorn Coral Crab
- Elliot's Storm-Petrel
- Ellipse spot toothcarp
- Elliptical Star Coral
- Ello Sphinx
- Elongate anchovy
- Elongate blenny
- Elongate frostfish
- Elongate grunt
- Elongate hatchetfish
- Elongate Mouse Catfish
- Elongate Stilt Spider
- Elongate tonguefish
- Elongate Tree Iguana
- Elongated bristlemouth fish
- Elongated dwarf cichlid
- Elongated eartheater
- Elongated Violet Snail
- Elongated whiptail catfish
- Eluina eighty-eight
- Elusive Antpitta
- Elusive Microtegus
- Elwes' Skipperling
- Embalse San Lorenzo Rain Frog
- Ember goby
- Ember parrotfish
- Ember tetra
- Emblem goby
- Emerald Aguna
- Emerald catfish
- Emerald Chevron Tarantula
- Emerald Cicada
- Emerald cichlid
- Emerald clingfish
- Emerald forest frog
- Emerald goby
- Emerald green tetra
- Emerald Hairstreak
- Emerald Moth
- Emerald Nerite
- Emerald parrotfish
- Emerald Skeleton Tarantula
- Emerald sleeper
- Emerald Tanager
- Emerald toucanet
- Emerald tree boa
- Emerald-bellied Puffleg
- Emerald-eyed treefrog
- Emerald-patched Cattleheart
- Emeraldine
- Emeraldstreak
- Emerantia Crescent
- Emerina Stingless Bee
- Emerson's Miniature Cerith
- Emessa Hairstreak
- Emigdio's Ground Snake
- Emilie's Opossum
- Emilie's Short-tailed Opossum
- Emilio's ground frog
- Emilio's Tuco-tuco
- Emmel's Ground Snake
- Emmons's Rice Rat
- Emperor butterfly
- Emperor Helmet Snail
- Emperor moth
- Emperor tamarin
- Emperor tetra
- Empress Brilliant
- Empusa Hairstreak
- Encrusting Gorgonian
- Encrusting rose sponge
- Encrusting Social Tunicate
- Endesa saucer coral
- Endler's livebearer
- Enega Bent-Skipper
- Enenia Hairstreak
- Enersis hydroid
- Engel's Flabellina
- Engel's Gumdrop
- Englert's scorpionfish
- Enigmatic Owlet
- Ensign wasp
- Entre Rios tarantula
- Enviagado rocket frog
- Epaulet Oriole
- Ephora Tufted-Skipper
- Epidius Hairstreak
- Epinome Cracker
- Epiphaneus Skipperling
- Episcopal Hairstreak
- Episcopal Mitre
- Epistrophus white morpho
- Epopea Hairstreak
- Epytus Hairstreak
- Equal-banded Coral Snake
- Equatorial Anole
- Equatorial Antpitta
- Equatorial Caecilian
- Equatorial dog-faced bat
- Equatorial eel
- Equatorial Graytail
- Equatorial Keelback
- Equatorial longfin herring
- Equatorial Mussurana
- Equatorial Saki
- Equatorial skate
- Equinox Cowrie
- Erazo's Firetip
- Erdis' False Coral Snake
- Erebus Skipper
- Ericeta Hairstreak
- Erichson's White-Skipper
- Erika's Tuco-tuco
- Ermine Moth
- Ernest's Robber Frog
- Erostratus Metalmark
- Erybathis Hairstreak
- Erymanthis Sister
- Erythrina borer
- Escolar
- Esma Longtail
- Esmerald Racer
- Esmeralda Longtail
- Esmeraldas Antbird
- Esmeraldas Rainfrog
- Esmeraldas robber frog
- Esmeraldas Woodstar
- Espada's marsupial frog
- Espada's Robber Frog
- Espada's rocket frog
- Española cactus finch
- Española Leaf-toed Gecko
- Espanola Mockingbird
- Espe's pencilfish
- Espinhaço hatchet-faced tree frog
- Espírito Santo blind snake
- Espirito Santo robber frog
- Espírito Santo Smooth-horned Frog
- Espirito Santo treefrog
- Esta Longtail
- Estado Falcón gecko
- Estado Falcón worm snake
- Estado Sucre gecko
- Estadual de Forno Grande snouted tree frog
- Esther's Threadtail
- Estrada Saraiva treefrog
- Estrella treefrog
- Estuary goby
- Eteocla Skipper
- Ethemides Skipper
- Etheridge's Lava Lizard
- Ethilla longwing
- Ethoda Skipper
- Etna Skipper
- Euclea Tigerwing
- Eudemus Scarlet-eye
- Eufala Skipper
- Eugenia's Rainfrog
- Eugeon Skipper
- Euler's Flycatcher
- Eunomia numberwing
- Euphonia
- Euribates Scarlet-eye
- European Freshwater Leech
- Eurus Skipper
- Eusepus Euselasia
- Evadnes Skipper
- Evan’s Stefania
- Evangelista’s foam froglet
- Evans' Firetip
- Evans' Mylon
- Evans' Ruby-eye
- Eveline's Learchis
- Eveline's Sea Goddess
- Evelyn's cory
- Even Prickly Cockle
- Even-striped Dasher
- Evening Skimmer
- Evergreen toad
- Everlasting Bud Moth
- Evermann's cardinalfish
- Evermann's lantern fish
- Ex-marcus Skipper
- Executioner clownfrog
- Executioner wasp
- Exesa Midget Moth
- Exile cusk eel
- Exilis Bronze Tarantula
- Exotic Streaktail
- Eye of Judas
- Eye spot toothcarp
- Eye-flash squid
- Eye-ringed Flatbill
- Eye-ringed Thistletail
- Eye-ringed Tody-tyrant
- Eyebrow bigscale
- Eyebrowed Humming Frog
- Eyed Dysodia Moth
- Eyed flounder
- Eyed Grayler
- Eyed Theope
- Eyed-Metalmark
- Eyelash viper
- Eyespot Clawed Gecko
- Eyespot skate
- Fabian's crevice anemone
- Fabricius' Bent-Skipper
- Facciola's sorcerer
- Facilis Skipper
- Faded Theope
- Faded tritonia
- Fadus Sphinx
- Faint-spotted Palthis Moth
- Fairy armadillo
- Fairy catfish
- Fairy Moth
- Fairy Prion
- Fairy shrimp
- Fairy Skimmer
- Fairy Tubeworm
- Falcate Emesis
- Falcate Skipper
- Falcate Skipperling
- Falcate Theope
- Falcifera Sphinx Moth
- Falcon crested toad
- Falcon indigo snake
- Falcon red banner blenny
- Falcon toad
- Falconet
- Falerina Hairstreak
- Falkland Camel Cricket
- Falkland cellaria
- Falkland Islands Brocade Moth
- Falkland sprat
- Falkland Steamer-Duck
- Fall Armyworm Moth
- Fallax Satyr
- Fallax Skipper
- Falls Lukunani
- False Adolfoi
- False Angelwing
- False Anteros
- False Antirrhea
- False bandit corydoras
- False black tetra
- False blochi catfish
- False Burnet Moth
- False catshark
- False cattleheart swallowtail
- False clam
- False Coral Snake
- False Cup-and-Saucer Limpet
- False Fer-de-Lance
- False Giant Swallowtail
- False halfbeak
- False Herrera's Skipper
- False herring
- False Jaguar Catfish
- False Killer Whale
- False King Crab
- False macropterus
- False Monitor
- False moray
- False network catfish
- False Nymphidium
- False oblique hatchetfish
- False papillose blenny
- False polysticto
- False Pug Moth
- False pumpkin sponge
- False rummynose tetra
- False Saliana
- False spotted catfish
- False Tiger Anole
- False Tomodon Snake
- False Tree Coral
- False Triad Coral Snake
- False vampire bat
- False Water Cobra
- False widow
- False wolf spider
- False X-ray Tetra
- False zebra longwing
- Familiar Bluet
- Fanfin angler
- Fanfish
- Fanged water snake
- Fangtooth
- Fangtooth dragonfish
- Fangtooth snake-eel
- Fanning pyrrhulina
- Fanskate
- Fantail mullet
- Fantailed dwarf cichlid
- Fantastic poison frog
- Fantastic Ruby-eye
- Fantastic Skipper
- Fasciated Antshrike
- Fasciated Tiger-Heron
- Fasciated Wren
- Fasciolata Skipper
- Fasciolated Graphic
- Fassl's Skipper
- Fast singer frog
- Fat Dove Snail
- Fat Ground Snake
- Fat Head Pleco
- Fat Horse Mussel
- Fat sleeper
- Fat snook
- Fat-headed cod
- Fat-tailed opossum
- Fatamorgana Pleco
- Fatfinger marsh crab
- Fathead
- Fausto's button frog
- Favored Tellin
- Favose Melipona
- Fawn-breasted Brilliant
- Fawn-breasted Tanager
- Fawn-breasted Wren
- Fawn-spotted Skipper
- Fazenda Salto treefrog
- Fea's Petrel
- Feather Aeolid
- Feather Black Coral
- Feather Bush Hydroid
- Feather Date Mussel
- Feather duster worm
- Feather star
- Feather-legged spider
- Feathered Fiestamark
- Featherfin dwarf cichlid
- Featherfin pearlfish
- Featherfin tetra
- Fecund Vesper Mouse
- Feijo white-lipped frog
- Felder's Dircenna
- Felder's Firetip
- Felder's White
- Felders' Brangas
- Felders' Hairstreak
- Felix's Hairstreak
- Felizitas Penelfin
- Fenton's mastiff bat
- Fer-de-lance
- Ferguson's Cone
- Ferguson's Epidromia Moth
- Fern Moth
- Fern-loving Treefrog
- Fernandez whiptail
- Fernandez's Hairstreak
- Fernandez's sword-nosed bat
- Fernandina Racer
- Fernando de Noronha Dwarf Gecko
- Fernão Velho snouted tree frog
- Ferreira's Fish-eating Rat
- Ferreira's Spider Crab
- Ferreira's Spiny Tree-rat
- Ferruginous Antbird
- Ferruginous Pygmy-Owl
- Ferruginous-backed Antbird
- Festa toothcarp
- Festa's Fiddler Crab
- Festive Amazon
- Festive Coquette
- Festive Diabrotica
- Festive lanternfish
- Fiddler crab
- Fiebrig's Stingless Bee
- Field cricket
- Fierce black polybia wasp
- Fierce pike smelt
- Fiery Broken-dash
- Fiery Euselasia
- Fiery Metalmark
- Fiery Myscelus
- Fiery Orchid Bee
- Fiery Satyr
- Fiery Scarlet-eye
- Fiery Skipper
- Fiery Topaz
- Fiery-capped Manakin
- Fiery-eyed Dancer
- Fiery-shouldered Parakeet
- Fiery-tailed Awlbill
- Fiery-throated Fruiteater
- Fifteen-scaled Worm
- Fig Sphinx
- Fig Tree Borer
- Fig wasp
- Fighting Conch
- Filament cory
- Filefish
- Filetail fanskate
- Filigree hydroid
- Filippi's Ground Snake
- Fin Whale
- Finca Chibigui Salamander
- Finca La Antigua Rain Frog
- Finca Meremburg Spindle Snake
- Finca Primavera rocket frog
- Fine flounder
- Fine spotted cory
- Fine-banded Amberwing
- Fine-barred Piculet
- Fine-lined treefrog
- Finescale foureyes
- Finescale triggerfish
- Finespotted moray
- Finetooth shark
- Finger Coral
- Finger Sponge
- Fingerprint Cyphoma
- Finless eel
- Finless flounder
- Finsch's Euphonia
- Finspot ray
- Fire Beetle
- Fire coral
- Fire Robber Frog
- Fire Sponge
- Fire Tentacle Anemone
- Fire-banded Metalmark
- Fire-banded Skipper
- Fire-bordered Eurybia Butterfly
- Fire-edged Skipper
- Fire-eye
- Fire-eyed Diucon
- Fire-flag Plume Moth
- Fire-throated Metaltail
- Firebelly grenadier
- Firecrown
- Firefly lanternfish
- Firehead tetra
- Fireline swallower
- Firetip
- Firewood catfish
- Firewood-gatherer
- Fireworks hydroid
- First Anole
- Fischer’s dwarf frog
- Fischer's little fruit bat
- Fish-eating rat
- Fishbone hydroid
- Fishing spider
- Fitch's Anole
- Fitzgerald's Tree Iguana
- Fitzinger's False Coral Snake
- Fitzinger's Robber Frog
- Fitzinger's Tree Iguana
- Fitzroy's wood frog
- Five-colored Barbet
- Five-notched Sand Dollar
- Five-slotted Sand Dollar
- Five-spotted Heliconian
- Five-striped Kite-Swallowtail
- Fjord sand encrusting anemone
- Fjord sapling
- Flaccid lanternfish
- Flag acara
- Flag cichlid
- Flag serrano
- Flag Skipper
- Flag tailed panda cory
- Flag tetra
- Flagfin mojarra
- Flagtail catfish
- Flagtail characin
- Flagtail wormfish
- Flamarion's Tuco-tuco
- Flame auger
- Flame Helmet Snail
- Flame Rump Tree Spider
- Flame Sea Cucumber
- Flame snake
- Flame Streaked Box Crab
- Flame tetra
- Flame-back bleeding heart tetra
- Flame-crested Tanager
- Flame-crowned Manakin
- Flame-faced Tanager
- Flame-rumped Tanager
- Flame-tailed Orchid Bee
- Flame-tailed Pondhawk
- Flame-throated Whiptail
- Flameback
- Flameback angelfish
- Flamefish
- Flametail tetra
- Flaming Ground Snake
- Flaming Myscelus
- Flaming reef lobster
- Flamingo Leafwing
- Flamingo Tongue Snail
- Flammulated Pygmy-tyrant
- Flammulated Treehunter
- Flapnose conger
- Flapnose sea catfish
- Flapping Dingbat
- Flash pleco
- Flasher Ruby-eye
- Flashing Flat
- Flat Andes Anole
- Flat Button
- Flat head pleco
- Flat needlefish
- Flat oyster
- Flat Sea Biscuit
- Flat spoonclam
- Flat thouarella
- Flat Tivela
- Flat Tree Oyster
- Flat-backed millipede
- Flat-bodied moth
- Flat-faced fruit-eating bat
- Flat-fingered Robber Frog
- Flat-headed bromeliad treefrog
- Flat-headed Water Frog
- Flat-spined Atelopus
- Flatback Mud Crab
- Flatbill
- Flatface Swimming Crab
- Flathead grey mullet
- Flathead porgy
- Flathead sea catfish
- Flattened Crab
- Flattened Helmet/Beroe Comb Jelly
- Flatwhiskered catfish
- Flavens Skipper
- Flaveola Skipper
- Flavescent Flycatcher
- Flavescent Warbler
- Flea beetle
- Flea toad
- Flea-frog
- Flecked leaf frog
- Fleischmann's glass frog
- Flesh fly
- Flesh-colored Ribbon Worm
- Fleshy Disc Coral
- Fleshy Keyhole Limpet
- Flicker
- Flightless Cormorant
- Flightless Steamer-Duck
- Floating pennywort weevil
- Floral Hairstreak
- Floreana Coral
- Floreana Lava Lizard
- Floreana Mockingbird
- Florencia Cochran frog
- Florencia tree frog
- Flores Weevil
- Flores' Rainfrog
- Florestan Sphinx
- Florida Corallimorph
- Florida Cross-barred Venus
- Florida Fast Woodlouse
- Florida Fern Moth
- Florida Grass Shrimp
- Florida Leatherleaf Slug
- Florida Pink Scavenger
- Florida pompano
- Florida Predatory Stink Bug
- Florida Purplewing
- Florida Rock Shell
- Florida round herring
- Florida Sea Cucumber
- Florida Tetanolita Moth
- Florida Tussock Moth
- Florida White
- Florida Worm Snail
- Flower hydroid
- Flowerpiercer
- Fluminense swallowtail
- Flustriform micropore
- Fluted Swallowtail
- Flutist Wren
- Fly swatter brittle star
- Fly-like Carpenter
- Flycatcher
- Flying gurnard
- Flying halfbeak
- Flying squid
- Flying Steamer-Duck
- Foch's Tuco-tuco
- Fog Talking Catfish
- Fogged Skipper
- Folded trophon
- Foliage-gleaner
- Fonseca's Lancehead
- Fontaine's Octopus
- Footballfish
- Foothill Arboreal Rice Rat
- Foothill Elaenia
- Foothill Schiffornis
- Foothill Screech-Owl
- Foothill Stipplethroat
- Forbes's Blackbird
- Forcipate mesabolivar
- Forest Elaenia
- Forest falcon
- Forest Flame Snake
- Forest giant owl
- Forest Grass Mouse
- Forest mouse
- Forest Oldfield Mouse
- Forest pit viper
- Forest Pond Dasher
- Forest Racer
- Forest rocket frog
- Forest Small Rice Rat
- Forest snouted treefrog
- Forest stubfoot toad
- Forest Tuco-tuco
- Forest Whiptail
- Forester Moth
- Forgotten Mylon
- Fork-tailed comb-footed spider
- Fork-tailed Flycatcher
- Fork-tailed Palm Swift
- Fork-tailed Pygmy-tyrant
- Fork-tailed Woodnymph
- Fork-tipped Dasher
- Forktail pleco
- Forktailed bass
- Formosa Whorltail Iguana
- Forster's Tree Iguana
- Fort Randolph Robber Frog
- Fortuitous Rainfrog
- Fortune jack
- Forum Skipper
- Fossi's encrusting anemone
- Fossorial Giant Rat
- Foster's Punare
- Four Tooth Toothshell
- Four-banded Pacific Iguana
- Four-eyed fish
- Four-eyed frog
- Four-eyed opossum
- Four-fin blenny
- Four-handed Box Jelly
- Four-speckled Hover Fly
- Four-spotted cowrie
- Four-spotted Fungus Beetle
- Four-spotted Hairy Fungus Beetle
- Four-spotted Longtail
- Four-spotted Palpita Moth
- Four-spotted Sailor
- Four-toed Amapasaurus
- Four-toothed Nerite
- Foureye butterflyfish
- Foureye rockskipper
- Foureyed flounder
- Fourspot flounder
- Fourteen-gill hagfish
- Fourwing flyingfish
- Foveolate Margined-Resin bee
- Fowler's cory
- Fowler's snouted treefrog
- Fox’s lizard
- Fragile glass frog
- Fragile grenadier
- Fragile lantern fish
- Fragile Saucer Coral
- Fragile Sticky Ray Star
- Fragile surfclam
- Fragile tube worm
- Fragile Worm Lizard
- Franceses island-Lancehead
- Franciscana
- Franciscos' Arboreal Rice Rat
- Franklin's Gull
- Fraser's Anole
- Fraser's Dolphin
- Fraser’s lanternfish
- Frater Skipperling
- Fraternal fruit-eating bat
- Freckle-breasted Thornbird
- Freckled cardinalfish
- Freckled catshark
- Freckled driftfish
- Freckled pike-conger
- Freckled sand skate
- Freckled soapfish
- Freckled Tiger Pleco
- Frecklefin goby
- Free-tailed bat
- Freeman's tube-snouted ghost knifefish
- Frei Caneca tree frog
- Freiberg's blind snake
- Freiberg's forest toadlet
- French angelfish
- French butterflyfish
- French grunt
- French Guyana Ground Snake
- Frenda Skipper
- Freshwater angelfish
- Freshwater crab
- Freshwater croaker
- Freshwater mussel
- Freshwater pipefish
- Freshwater prawn
- Freshwater snail
- Freshwater sole
- Freshwater sponge
- Freshwater stingray
- Fria toothcarp
- Fridericus Spreadwing
- Friendly Leaf-eared Mouse
- Friendly toad
- Frigate mackerel
- Frigate tuna
- Frigatebird
- Frilled Coquette
- Frilled shark
- Frillfin
- Frillfin goby
- Fringe-backed Fire-eye
- Fringe-footed tree frog
- Fringe-lipped bat
- Fringed cusk-eel
- Fringed filefish
- Fringed flounder
- Fringed fruit-eating bat
- Fringed leaf frog
- Fringed pipefish
- Fringed sole
- Fringed stargazer
- Fringy Arm Wrestler Crab
- Fritillary
- Fritts' Whorltail Iguana
- Frog crab
- Frogfish
- Frond Oyster
- Fronted Ground Snake
- Frontinia Skipperling
- Frost’s toad
- Frosted Arcas
- Frosted Dartwhite
- Frosted Flasher
- Frosted Mimic-White
- Frosted Porcupine
- Frosted sac-winged bat
- Frosted Tufted-Skipper
- Fruhstorfer's Owl-Butterfly
- Fruit leaf folder
- Fruit-piercing moth
- Fruitcrow
- Fruiteater
- Fuegian Snipe
- Fuhrmann's backpack frog
- Full moonfish
- Fuller's cory
- Fuller's rose weevil
- Fulmar
- Fulsome Emerald
- Fulvangula Skipper
- Fulvous Antshrike
- Fulvous Shrike-Tanager
- Fulvous Tapeti
- Fulvous Whistling-Duck
- Fulvous Wren
- Fulvous-breasted Flatbill
- Fulvous-chinned Nunlet
- Fulvous-crested Tanager
- Fulvous-crowned Scrub-tyrant
- Fulvous-dotted Treerunner
- Fulvous-faced Scrub-tyrant
- Fulvous-headed Brushfinch
- Fulvous-headed Tanager
- Fulvous-legged Cellophane Bee
- Fulvous-vented Euphonia
- Fuma Skipper
- Fumata Skipper
- Fumida Clearwing
- Fundo Sinchona Caecilian
- Funereal Duskywing
- Funnel weaver
- Funnel-eared bat
- Funnel-web tarantula
- Funny rocket frog
- Funny slender-legged treefrog
- Furrowed Mud Crab
- Furrowed sea cradle
- Furry Sea Cucumber
- Furtive Tuco-tuco
- Fuscous Flycatcher
- Fuscous-blotched treefrog
- Fused Staghorn Coral
- Fusiform olive
- Gabina Hairstreak
- Gabriel's catfish
- Gabriela Hairstreak
- Gadira Hairstreak
- Gafftopsail pompano
- Gafftopsail sea catfish
- Gagliardo's Rainfrog
- Gaige's anole
- Gaige's Ground Snake
- Gaige's rainbow lizard
- Gaige's rapids frog
- Gainsboro Pleco
- Galapagos abalone
- Galapagos Bark Scorpion
- Galapagos barnacle blenny
- Galápagos batfish
- Galapagos Black Widow
- Galapagos blenny
- Galápagos Blue
- Galápagos Blue Beauty
- Galapagos blue-banded goby
- Galapagos bullhead shark
- Galápagos carpenter bee
- Galápagos catshark
- Galápagos centipede
- Galápagos Cerith
- Galapagos clingfish
- Galapagos cowry helmet
- Galapagos croaker
- Galapagos cuskeel
- Galapagos damsel
- Galapagos Dove
- Galápagos drum
- Galápagos Fairy Lady Beetle
- Galápagos Fiddler Crab
- Galápagos Field Cricket
- Galapagos Flycatcher
- Galápagos four-eyed blenny
- Galapagos Fur Seal
- Galapagos garden eel
- Galápagos Ghost Shark
- Galapagos grey skate
- Galapagos gurnard
- Galapagos Hawk
- Galapagos jawfish
- Galápagos land iguana
- Galápagos large painted locust
- Galapagos Lava Lizard
- Galápagos leaf-toed gecko
- Galapagos Martin
- Galapagos Mockingbird
- Galapagos mullet
- Galapagos Petrel
- Galápagos pink land iguana
- Galapagos porgy
- Galapagos racer
- Galapagos Rail
- Galapagos razorfish
- Galápagos Reef Octopus
- Galapagos Rice Rat
- Galápagos Sand Dollar
- Galapagos Sea Lion
- Galapagos shark
- Galapagos Shearwater
- Galápagos sheephead wrasse
- Galápagos Silver Fritillary
- Galapagos Slate Pencil Urchin
- Galápagos Snail
- Galapagos snake eel
- Galápagos Snapping Shrimp
- Galapagos thread herring
- Galapagos triplefin blenny
- Galápagos Wolf Spider
- Galaxias
- Galaxy pleco
- Galera Skipper
- Galeras Robber Frog
- Galibi tube-snouted ghost knifefish
- Gall wasp
- Gallagher's Kentropyx
- Gallardo's toad
- Gallinipper
- Gallinule
- Gallito
- Gambita Robber Frog
- Gámbita tree frog
- Gamboa Worm Salamander
- Gambote Mock Viper
- Ganimedes Hairstreak
- Ganna Aguna
- Gaptooth lanternfish
- Gar characin
- Garagoa Caecilian
- Garagoa treefrog
- Garcia's big-headed frog
- García's glassfrog
- Garden Fleahopper
- Garden Webworm Moth
- Gardner's Climbing Rat
- Gardner's Short-tailed Opossum
- Gardner's Spiny-rat
- Gargara Hairstreak
- Gargophia Hairstreak
- Gargoyle cusk
- Garín’s Lizard
- Garland Anole
- Garlanded Robber Frog
- Garlepp's Mouse
- Garlepp's Oil-digger-Cuckoo
- Garman's lanternfish
- Garnet Crab
- Garnet Dancer
- Garnet Glider
- Garnet tetra
- Garnet-patched Hairstreak
- Gartered Violaceous-Trogon
- Gaucha Skipperling
- Gaucho Recluse
- Gaudichaud's frog
- Gaudy Babakina
- Gaudy Clown Crab
- Gaudy Frog shell
- Gaudy Sanguin
- Gaudy Skipper
- Gaudy Sphinx
- Gay's Austral-Longhorn
- Gay's Austral-Small carpenter
- Gay's Digger-cuckoo
- Gay's Woolcarder
- Gazera Firetip
- Geisa Skipper
- Geisler's dwarf cichlid
- Gelatinous blindfish
- Gellias Firetip
- Gelus Skipperling
- Gem Moth
- Genes Skipperling
- Genista Giant Scale Insect
- Genovesa Cactus Finch
- Genovesa Ground Finch
- Gentoo Penguin
- Gentry's Rainfrog
- Geoduck
- Geoffroy's Cat
- Geoffroy's Daggerbill
- Geoffroy's Saddle-back Tamarin
- Geoffroy's tailless bat
- Geoffroy's Tamarin
- Geoffroy’s Toadhead Turtle
- Geoffroy's Tufted-ear Marmoset
- Geon Skipperling
- George Jett's Snail-Eater
- Gerasa Skipper
- Gerbil mouse
- Gervais's Beaked Whale
- Gervais's fruit-eating bat
- Géry's Pirambeba
- Gevers's Trophon
- Ghost Anole
- Ghost bat
- Ghost Bulimulus
- Ghost candiru
- Ghost crab
- Ghost hagfish
- Ghost moth
- Ghost pleco
- Ghost Sailor
- Ghost scabbardfish
- Ghost shrimp
- Ghost spider
- Ghost Tree Spider
- Ghost Yellow
- Ghost-Skipper
- Gianna's yellow-shouldered bat
- Giant Amazon Leech
- Giant Amazonian ant
- Giant ameiva
- Giant Anemone
- Giant Anteros
- Giant Antpitta
- Giant Antshrike
- Giant aspidostoma
- Giant Atlantic Pyram
- Giant Atlantic Tree-rat
- Giant Barnacle
- Giant Barrel Sponge
- Giant Basket Star
- Giant Black Cockroach
- Giant Black-and-white Tarantula
- Giant blenny
- Giant Bumblebee Catfish
- Giant butterfly-moth
- Giant cicada
- Giant cockroach
- Giant Conebill
- Giant Coot
- Giant Coquina Clam
- Giant Cowbird
- Giant damselfish
- Giant Digger-cuckoo
- Giant Dung Digger
- Giant earthworm
- Giant electric ray
- Giant Entheus
- Giant False Limpet
- Giant Feather Duster Worm
- Giant Green Anole
- Giant Hairy Triton Snail
- Giant hatchetfish
- Giant hawkfish
- Giant Hermit Crab
- Giant Honeycomb Oyster
- Giant hummingbird
- Giant Imperious Sawyer
- Giant isopod
- Giant Jacknife
- Giant Keyhole Limpet
- Giant Kidney Worm
- Giant Leopard Moth
- Giant leptocephalus
- Giant Lion's Paw
- Giant manta
- Giant marsupial frog
- Giant Mealworm Beetle
- Giant millipede
- Giant monkey frog
- Giant Orange Tiger
- Giant paramo rainfrog
- Giant parrot snake
- Giant petrel
- Giant Ramshorn Snail
- Giant rat
- Giant red-winged grasshopper
- Giant Robber Frog
- Giant sand stargazer
- Giant Sicklewing
- Giant silkworm moth
- Giant Snipe
- Giant South American river turtle
- Giant South American snail
- Giant Sphinx
- Giant Strong-nosed Stink Bug
- Giant stubfoot toad
- Giant swamp tetra
- Giant Sweet Potato Bug
- Giant Swimming Crab
- Giant Theope
- Giant trahira
- Giant Tun Snail
- Giant Tunicate
- Giant water bug
- Giant Whiptail Catfish
- Giant White
- Giant White Spot Plec
- Giant Wood-Rail
- Giard's honey ant
- Gibba Turtle
- Gibberfish
- Giesler's treefrog
- Gigas Metalmark
- Gilbert's Flasher
- Gilbert's garden eel
- Gilbert's Leaf-toed Gecko
- Gilded Barbet
- Gilded catfish
- Gilded Hummingbird
- Gill's sand lance
- Gillbacker sea catfish
- Gilt-edged Tanager
- Ginkgo-toothed Beaked Whale
- Ginsburg's tonguefish
- Giovanni's big-eared bat
- Girard’s dwarf frog
- Girard's robber frog
- Girard's Whorltail Iguana
- Girdled Triton
- Gisella Satyr
- Glacier Finch
- Gladiator Cone
- Gladiator frog
- Gladys' cory
- Glamis Skipper
- Glandular Caecilian
- Glass bloodfin
- Glass goby
- Glass headstander
- Glass knifefish
- Glass lizard
- Glass sardine
- Glass sponge
- Glass tetra
- Glass worm
- Glasseye
- Glasshead grenadier
- Glasswing butterfly
- Glassy Pierella
- Glassy Scale
- Glassy sweeper
- Glassy-winged Skipper
- Glauca Metalmark
- Glauce Leafwing
- Glaucia’s terrestrial nest-building frog
- Glaucous Cracker
- Glaucous Tanager
- Glaucous-blue Grosbeak
- Glazed Pellicia
- Glazed Theope
- Glenda Rainfrog
- Glider flyingfish
- Gliding ant
- Gliding treefrog
- Glistening-green Tanager
- Glittering-bellied Emerald
- Glittering-throated Emerald
- Globe-marked Lady Beetle
- Globosehead rattail
- Globular Spider Beetle
- Globular Thief Ant
- Gloria's Rain Frog
- Glorious Blue-Skipper
- Glorious Podelfin
- Glorious Purplewing
- Glory-of-the-Atlantic Cone
- Glossed Euselasia
- Glossy Antshrike
- Glossy Dovesnail
- Glossy Flowerpiercer
- Glossy Granule
- Glossy Ibis
- Glossy Shade Lizard
- Glossy-backed Becard
- Glossy-black Thrush
- Glossy-fronted Dryad
- Glowing cockroach
- Glowing Puffleg
- Glowlight tetra
- Glowspot Cockroach
- Gmelin's Banded-Skipper
- Gnarled catfish
- Gnatcatcher
- Gnateater
- Gnatwren
- Gnetus Skipper
- Gnidus Metalmark
- Gnomus tube-snouted ghost knifefish
- Gnosia Hairstreak
- Goateed goby
- Goatfish
- Goblin shark
- Goblin spider
- Goby
- God's flounder
- Godart's Agrias
- Godart's Blue Ringlet
- Godart's Metalmark
- Godart's Morpho
- Godart's numberwing
- Goddard's Trapania
- Godman's Bent-Skipper
- Godman's long-tailed bat
- Godman's Mapwing
- Godman's Sister
- Godman´s Sarota
- Godwit
- Godzilla goby
- Goeldi's Antbird
- Goeldi's frog
- Goeldi's Monkey
- Goeldi's Spiny-rat
- Goeldi's tube-snouted ghost knifefish
- Goias Gecko
- Goiás poison frog
- Goias rocket frog
- Goias Smooth Horned Frog
- Goias swamp frog
- Goiás tree frog
- Goias treefrog
- Goiás tropical bullfrog
- Goias white-lipped frog
- Gojo cory
- Gold diamond piranha
- Gold Line Sea Goddess
- Gold marble bristlenose
- Gold nugget pleco
- Gold spot pleco
- Gold Stripe Panaque
- Gold tegu
- Gold-banded Etiella Moth
- Gold-bordered Hairstreak
- Gold-crowned Sea Goddess
- Gold-dot Skipper
- Gold-fringed Cerberilla
- Gold-Mouthed Triton Snail
- Gold-plated Skipperling
- Gold-rimmed Firetip
- Gold-ringed Tanager
- Gold-spot pike characin
- Gold-spotted Aguna
- Gold-spotted marsupial frog
- Gold-stained Satyr
- Gold-striped frog
- Gold-tailed tetra
- Gold-washed Skipper
- Gold-washed Skipperling
- Gold-winged Skipperling
- Golden acara
- Golden Amberwing
- Golden Atlantic Tree-rat
- Golden Banded-Skipper
- Golden bat
- Golden cloud pleco
- Golden Cone
- Golden crab
- Golden Crinoid
- Golden Euselasia
- Golden Grosbeak
- Golden hamlet
- Golden Lady Slipper
- Golden lancehead
- Golden lanternfish
- Golden Lion Tamarin
- Golden Lizard
- Golden Looper Moth
- Golden mojarra
- Golden myotis
- Golden Mystery Snail
- Golden Oldfield Mouse
- Golden orb weaver
- Golden otocinclus
- Golden Parakeet
- Golden pencilfish
- Golden pike-characin
- Golden plover
- Golden Pyrausta Moth
- Golden Scarlet-Eye
- Golden snapper
- Golden Tanager
- Golden Tegulet
- Golden tetra
- Golden Tortoise Beetle
- Golden trahira
- Golden treefrog
- Golden trevally
- Golden Vampire Plec
- Golden Viscacha Rat
- Golden Wave
- Golden White
- Golden Whorltail Iguana
- Golden Zoanthid
- Golden-backed Mountain Tanager
- Golden-backed Squirrel Monkey
- Golden-banded Metalmark
- Golden-banded Sister
- Golden-bellied Bristly Mouse
- Golden-bellied Flycatcher
- Golden-bellied Starfrontlet
- Golden-belly snake
- Golden-billed Saltator
- Golden-breasted Fruiteater
- Golden-breasted Puffleg
- Golden-browed Chat-tyrant
- Golden-brown Uacari
- Golden-capped Parakeet
- Golden-chested Tanager
- Golden-chevroned Tanager
- Golden-collared Honeycreeper
- Golden-collared Manakin
- Golden-collared Tanager
- Golden-collared Toucanet
- Golden-collared Woodpecker
- Golden-crowned Flycatcher
- Golden-crowned Manakin
- Golden-crowned Spadebill
- Golden-crowned Tanager
- Golden-crowned Warbler
- Golden-eared Tanager
- Golden-eyed Flowerpiercer
- Golden-eyed stick insect
- Golden-faced Saki
- Golden-faced Tyrannulet
- Golden-fronted Greenlet
- Golden-fronted Whitestart
- Golden-green Woodpecker
- Golden-haired Mini-Digger
- Golden-headed Bolla
- Golden-headed Lion Tamarin
- Golden-headed Manakin
- Golden-headed Orchid Bee
- Golden-headed Quetzal
- Golden-headed Scallopwing
- Golden-headed Weevil
- Golden-hooded Tanager
- Golden-mantled Saddle-back Tamarin
- Golden-naped Tanager
- Golden-olive Woodpecker
- Golden-plumed Parakeet
- Golden-red Metalmark
- Golden-rumped Euphonia
- Golden-scaled Anole
- Golden-sided Euphonia
- Golden-snouted Sootywing
- Golden-spangled Piculet
- Golden-spotted Ground Dove
- Golden-spotted Ruby-eye
- Golden-tailed Parrotlet
- Golden-tailed Sapphire
- Golden-tailed Starfrontlet
- Golden-tipped Darner
- Golden-tufted Mountain Grackle
- Golden-white Bare-ear Marmoset
- Golden-white Tassel-ear Marmoset
- Golden-winged Cacique
- Golden-winged Manakin
- Golden-winged Parakeet
- Golden-winged Sparrow
- Golden-winged Tody-flycatcher
- Golden-winged Warbler
- Goldencrown tetra
- Goldeneye cichlid
- Goldenscale Anole
- Goldentail
- Goldentail moray
- Goldenthroat
- Goldhead cory
- Goldline blenny
- Goldman's nectar bat
- Goldspot goby
- Goldspotted eel
- Goldspotted tetra
- Goldstripe characin
- Goleta Hairstreak
- Golf Ball Coral
- Goliath conch
- Goliath Pinkfoot
- Goliath Stripe Leg Tarantula
- Golondrinas leaflitter frog
- Gomes' Pampas Snake
- Gomes's round ray
- Good Anole
- Goodall's Slender Snake
- Goode croaker
- Google-eyed Eighty-eight
- Goose barnacle
- Goosehead scorpionfish
- Gorgas's Marsh Rice Rat
- Gorgeted Puffleg
- Gorgeted Sunangel
- Gorgeted Wood-Quail
- Gorgeted Woodstar
- Gorgona guitarfish
- Gorgona Spindle Snake
- Gorgonian tonguefish
- Gorgonian-feeding Anemone
- Gory's Oil-digger-Cuckoo
- Gosline's hagfish
- Gossamer-winged Butterfly
- Gosse's dwarf cichlid
- Gould's Inca
- Gould's Jewelfront
- Gould's Toucanet
- Goulding's Piranha
- Gourd Rock Snail
- Gouvea's Sipo
- Goytaca Rice Rat
- Gozmány’s Arcas
- Graceful Black-throated Trogon
- Graceful dragonfish
- Graceful dwarf frog
- Graceful mojarra
- Graceful pimelodella
- Graceful Snail-eater
- Graceful Tree Iguana
- Graceful Twig Ant
- Gracile Atlantic Spiny-rat
- Gracile Donax
- Gracile hydroid
- Gracile opossum
- Grackle
- Gradated Bullia
- Graham's Sea Goddess
- Graham's Sheet Coral
- Grainy Cochran frog
- Gralarias Rainfrog
- Gran Rio snouted treefrog
- Gran Sabana snouted treefrog
- Gran Sabana thin-toed frog
- Grand Ghost-Skipper
- Grand lanternfish
- Granites Skipperling
- Granular Anole
- Granular button frog
- Granular dogfish
- Granular leaf frog
- Granular toad
- Granulated catfish
- Granulated conch
- Granulated Crab
- Granulated Hem Star
- Granulated Spider Crab
- Granulose chondriovelum
- Grape-eye seabass
- Graphic Beauty
- Graphic Owlet
- Grass Anole
- Grass Cerith
- Grass finch
- Grass Miner Moth
- Grass mouse
- Grass Sheathminer
- Grass Skipper
- Grass Sponge
- Grass Squid
- Grass Tubeworm Moth
- Grass Wren
- Grass Yellow
- Grass-green Tanager
- Grass-Veneer
- Grasshopper flesh fly
- Grasshopper Sparrow
- Grassland Sparrow
- Grassland Yellow Finch
- Grassquit
- Grassy Green-Sweat Bee
- Gravatá heart-tongued frog
- Gravenhorst's Tree Iguana
- Graves's Antpitta
- Gray angelfish
- Gray Antbird
- Gray Antwren
- Gray Bird Grasshopper
- Gray Brocket
- Gray corydoras
- Gray Cracker
- Gray Elaenia
- Gray Four-eyed Opossum
- Gray Ground Snake
- Gray Gull
- Gray Hairstreak
- Gray Kingbird
- Gray Looper Moth
- Gray Ministreak
- Gray Monjita
- Gray Noddy
- Gray parrotfish
- Gray Petrel
- Gray Rice Rat
- Gray Sea Star
- Gray seedeater
- Gray Short-tailed Opossum
- Gray Skipper
- Gray Slender Opossum
- Gray Soft-haired Mouse
- Gray South American Spiny Mouse
- Gray stardrum
- Gray Theope
- Gray Tinamou
- Gray toad
- Gray Tree Iguana
- Gray warbler-finch
- Gray wren
- Gray-and-gold tanager
- Gray-and-gold warbler
- Gray-and-white Tyrannulet
- Gray-backed Hawk
- Gray-backed Storm-Petrel
- Gray-backed Tachuri
- Gray-bellied Antbird
- Gray-bellied Brucie
- Gray-bellied Comet
- Gray-bellied flowerpiercer
- Gray-bellied Grass Mouse
- Gray-bellied Hawk
- Gray-bellied Rice Rat
- Gray-bellied Shrew-opossum
- Gray-bellied Shrike-tyrant
- Gray-bellied Spinetail
- Gray-breasted Crake
- Gray-breasted Flycatcher
- Gray-breasted martin
- Gray-breasted Mountain-Toucan
- Gray-breasted Parakeet
- Gray-breasted Sabrewing
- Gray-breasted Seedsnipe
- Gray-breasted wood-wren
- Gray-browed brushfinch
- Gray-browed wren
- Gray-capped Cuckoo
- Gray-capped Flycatcher
- Gray-capped hemispingus
- Gray-capped Tyrannulet
- Gray-cheeked Nunlet
- Gray-cheeked Parakeet
- Gray-cheeked thrush
- Gray-chested Dove
- Gray-chested greenlet
- Gray-chinned Hermit
- Gray-cowled Wood-Rail
- Gray-crested finch
- Gray-crowned Flatbill
- Gray-eyed greenlet
- Gray-flanked Cinclodes
- Gray-fronted Dove
- Gray-headed Albatross
- Gray-headed Antbird
- Gray-headed Chachalaca
- Gray-headed Dove
- Gray-headed Kite
- Gray-headed Spinetail
- Gray-headed Stingless Bee
- Gray-headed tanager
- Gray-headed Tody-flycatcher
- Gray-headed warbler
- Gray-hooded Attila
- Gray-hooded Flycatcher
- Gray-hooded Gull
- Gray-hooded Parakeet
- Gray-hooded sierra finch
- Gray-legged Night Monkey
- Gray-legged Tinamou
- Gray-lined Hawk
- Gray-mantled wren
- Gray-naped Antpitta
- Gray-rumped Swift
- Gray-spotted Scrub-Hairstreak
- Gray-streaked Armyworm Moth
- Gray-tailed Piha
- Gray-throated Leaftosser
- Gray-throated warbler
- Gray-throated warbling finch
- Gray-throated white-lipped frog
- Gray-waisted Skimmer
- Gray-winged Cotinga
- Gray-winged inca-finch
- Gray-winged Trumpeter
- Gray's Bald-faced Saki
- Gray's Beaked Whale
- Gray's Little Venus
- Grayish baywing
- Grayish Carpenter
- Grayish Miner
- Grayish Mourner
- Grayish Piculet
- Grayish Pygmy Rice Rat
- Graysby
- Graytail
- Graytail skate
- Great Agrias
- Great Antpitta
- Great Antshrike
- Great Ark
- Great barracuda
- Great Black Hawk
- Great Blue Heron
- Great Blue Hookwing
- Great Crested Flycatcher
- Great Curassow
- Great Dusky Swift
- Great Egret
- Great Elaenia
- Great Emesis
- Great Eurybia Butterfly
- Great Euselasia
- Great Firetip
- Great freshwater stingray
- Great Frigatebird
- Great fruit-eating bat
- Great Golden Digger Wasp
- Great Grebe
- Great Green Macaw
- Great hammerhead
- Great Inca Finch
- Great Jacamar
- Great Kiskadee
- Great Kite-Swallowtail
- Great northern tilefish
- Great pompano
- Great Pondhawk
- Great Potoo
- Great Rufous Woodcreeper
- Great Sapphirewing
- Great Scrub-Hairstreak
- Great Shearwater
- Great Shrike-tyrant
- Great Skua
- Great Southern White
- Great Spinetail
- Great Spreadwing
- Great stripe-faced bat
- Great Stripestreak
- Great Thrush
- Great Tinamou
- Great White Longtail
- Great Xenops
- Great-billed Hermit
- Great-billed Seed Finch
- Great-tailed Grackle
- Greater amberjack
- Greater Ani
- Greater Argonaut
- Greater broad-nosed bat
- Greater bulldog bat
- Greater Colombian Climbing Rat
- Greater dog-like bat
- Greater Fairy Armadillo
- Greater Flowerpiercer
- Greater ghost bat
- Greater Golden-bellied Rice Rat
- Greater Grison
- Greater Guinea Pig
- Greater Leucauge
- Greater long-tailed bat
- Greater Naked-tailed Armadillo
- Greater Ornate Whorltail Iguana
- Greater Pilalo Robber Frog
- Greater red bat
- Greater Rhea
- Greater round-eared bat
- Greater sac-winged bat
- Greater Scythebill
- Greater soapfish
- Greater spear-nosed bat
- Greater Star Coral
- Greater Thornbird
- Greater Wagtail-tyrant
- Greater Windward Skink
- Greater Yellow Finch
- Greater Yellow-headed Vulture
- Greater yellow-shouldered bat
- Greater Yellowlegs
- Grebe
- Greedy Olalla Rat
- Greeley's diaulula
- Green Acouchi
- Green and black poison dart frog
- Green and red venter harlequin toad
- Green Aracari
- Green Black Lancehead
- Green broad lip pleco
- Green Bubble Snail
- Green Button Polyp
- Green Clinging Crab
- Green Cutworm Moth
- Green dotted treefrog
- Green dwarf cichlid
- Green dwarf tetra
- Green Finger Sponge
- Green fire tetra
- Green Flasher
- Green Flathead Pleco
- Green Froglet
- Green gold catfish
- Green Hermit
- Green Heron
- Green Honeycreeper
- Green Hydra
- Green Ibis
- Green Inca
- Green jack
- Green Kentropyx
- Green Keyhole Limpet
- Green Kingfisher
- Green lanternshark
- Green lynx spider
- Green Manakin
- Green Mellana
- Green moray
- Green music volute
- Green neon tetra
- Green Oropendola
- Green phantom pleco
- Green Porcelain Crab
- Green puffer
- Green razorfish
- Green Robber Frog
- Green Saliana
- Green sea slug
- Green shield cicada
- Green Sipo
- Green Small Carpenter
- Green Spiny Lobster
- Green Star Shell
- Green sulphur
- Green terror
- Green Thorntail
- Green Thornytail Iguana
- Green tube tunicate
- Green Vine Snake
- Green Volcano Barnacle
- Green Warbler-Finch
- Green weakfish
- Green Whiptail
- Green-and-black Fruiteater
- Green-and-gold Tanager
- Green-and-orange Corynura
- Green-and-rufous Kingfisher
- Green-and-white Hummingbird
- Green-and-yellow Parrot Snake
- Green-backed Becard
- Green-backed Firecrown
- Green-backed Hillstar
- Green-backed Ruby-eye
- Green-backed Trogon
- Green-banded Ruby-eye
- Green-banded Urania
- Green-barred Woodpecker
- Green-based Tegula
- Green-bearded Helmetcrest
- Green-bellied Hummingbird
- Green-breasted Mango
- Green-capped Tanager
- Green-celled Cattleheart
- Green-cheeked Parakeet
- Green-chinned Euphonia
- Green-crowned Brilliant
- Green-crowned Plovercrest
- Green-eyed Dancer
- Green-eyed Lion Fly
- Green-eyed Owl-Butterfly
- Green-eyed White
- Green-fronted Lancebill
- Green-headed Hillstar
- Green-headed shade lizard
- Green-headed Sootywing
- Green-headed Tanager
- Green-patch Swallowtail
- Green-rumped Parrotlet
- Green-shouldered Sootywing
- Green-spotted Banner
- Green-spotted Brangas
- Green-spotted whorl-tailed iguana
- Green-stitched Metalmark
- Green-striped cuilanes
- Green-tailed Carpenter
- Green-tailed Cellophane Bee
- Green-tailed Emerald
- Green-tailed Goldenthroat
- Green-tailed Jacamar
- Green-tailed Trainbearer
- Green-throated Mango
- Green-throated tanager
- Green-tinged Flasher
- Green-washed Longtail
- Green-washed Serdis
- Green-washed Swallowtail
- Green-winged Saltator
- Greenband wrasse
- Greenbanded goby
- Greenbeak parrotfish
- Greenblotch parrotfish
- Greenbottle blue tarantula
- Greenhall's dog-faced bat
- Greenhouse Orthezia
- Greening's frog
- Greenish Elaenia
- Greenish Puffleg
- Greenish Schiffornis
- Greenish Tyrannulet
- Greenish Yellow Finch
- Greenish-red Rainfrog
- Greenland manefish
- Greenlet
- Greenspotted Plane Pleco
- Greenstreaked eartheater
- Greenstripe pencilfish
- Gregg's hagfish
- Grenadier
- Grenadier smooth-head
- Grey Atlantic Auger
- Grey Catbird
- Grey conger
- Grey cutthroat
- Grey grenadier
- Grey grunt
- Grey Pileated Finch
- Grey snapper
- Grey threadfin seabass
- Grey triggerfish
- Grey wood frog
- Grey-eared Brushfinch
- Grey-flanked Thrush
- Greybar grunt
- Greyspotted Hook Pleco
- Grideye fish
- Gridi-Papp's terrestrial nest-building frog
- Griffin's moray
- Grinning Tun Snail
- Grippa Skipper
- Grison
- Griswold's marsupial frog
- Gro's manticore
- Groove Burrowing Urchin
- Groove-billed Ani
- Groove-billed Toucanet
- Groove-toothed Cotton Rat
- Groove-toothed Spiny-rat
- Groovebelly stingray
- Grooved Anole
- Grooved Brain Coral
- Grooved-blade Sea Whip
- Grooved-jaw worm eel
- Grosbeak
- Grote's bertholdia
- Ground croaker
- Ground cuckoo
- Ground dove
- Ground finch
- Ground robber frog
- Ground Snake
- Ground spider
- Ground-tyrant
- Grouser's hagfish
- Groves's Titi
- Grovius Skipperling
- Grunt
- Gruta button frog
- Guacamayo plump toad
- Guachanche barracuda
- Guacharaquita glass frog
- Guacharaquita Robber Frog
- Guafo Island Long-clawed Mouse
- Guaiba Mouse Opossum
- Guaiquinima Green Racer
- Guaiquinima Rain Frog
- Guaiquinima Whitestart
- Guaira Spiny-rat
- Guajira stubfoot toad
- Gualaceño Rainfrog
- Gualaceo rocket frog
- Gualecenita stubfoot toad
- Guama guppy
- Guamara Agouti
- Guan
- Guanabara Spotted Night Snake
- Guanaco
- Guanay Cormorant
- Guanes Mushroomtongue Salamander
- Guanujo stubfoot toad
- Guapimirim tree toad
- Guapore corydoras
- Guaporé thorny catfish
- Guaramacal Robber Frog
- Guaramacal's Salamander
- Guaramiranga cory
- Guarana cory
- Guarani Dorid
- Guaraní myotis
- Guaraqueçaba big-headed frog
- Guaratinga dwarf frog
- Guarayo nest-building terrestrial frog
- Guardpost Skipper
- Guartelá canyon snouted tree frog
- Guasapampa Viscacha Rat
- Guatemalan long-jawed spider
- Guatemalan Sarota
- Guatopo giant collared frog
- Guavina
- Guayaco dwarf frog
- Guayana pike-conger
- Guayapa’s four-eyed frog
- Guayaquil Caecilian
- Guayaquil dwarf frog
- Guayaquil Squirrel
- Guayaquil Woodpecker
- Guayaquila Blind Snake
- Guayas cichlid
- Guenther's frog
- Guernsey Shipworm
- Guiana Coffee Snake
- Guiana Dolphin
- Guiana Hercules Beetle
- Guiana longfin herring
- Guiana rocket frog
- Guiana shield frog
- Guiana shield leaf toad
- Guiana thin-toed frog
- Guianan Arboreal Rice Rat
- Guianan Bearded Saki
- Guianan bonneted bat
- Guianan Bristly Mouse
- Guianan broad-nosed bat
- Guianan Brown Four-eyed Opossum
- Guianan Coastal House Snake
- Guianan Cock-of-the-rock
- Guianan cusk-eel
- Guianan Fish-eating Rat
- Guianan Gnatcatcher
- Guianan Greater Long-nosed Armadillo
- Guianan Green Snake
- Guianan Greenlet
- Guianan Long-nosed Armadillo
- Guianan Puffbird
- Guianan Red Howler
- Guianan Red-cotinga
- Guianan Scarlet-tail
- Guianan spear-nosed bat
- Guianan Spiny-rat
- Guianan Squirrel
- Guianan Squirrel Monkey
- Guianan Streaked-antwren
- Guianan Toadhead Turtle
- Guianan Toucanet
- Guianan Tyrannulet
- Guianan Violaceous-Trogon
- Guianan Warbling-antbird
- Guianan White-eared Opossum
- Guianan Woodcreeper
- Guiara
- Guibe's False Coral Snake
- Guilding's Sea Star
- Guille's Andes Frog
- Guineafowl puffer
- Guinle treefrog
- Guira Cuckoo
- Guira Tanager
- Guitarfish
- Guitarrita
- Gulala Skipper
- Gulf bareye tilefish
- Gulf chimaera
- Gulf Coast tick
- Gulf flounder
- Gulf fritillary
- Gulf hake
- Gulf kingcroaker
- Gulf pipefish
- Gulf Staghorn Bryozoan
- Gulf Wireworm
- Gulfweed Crab
- Gull-billed Tern
- Gulper Catfish
- Gulper shark
- Gungo highhat
- Gunther's banded treefrog
- Günther's boafish
- Gunther's Brazilian treefrog
- Günther's Caecilian
- Günther's False Coral Snake
- Günther's False Fer-de-lance
- Günther's Forest Racer
- Günther's Green Liophis
- Günther's Green Racer
- Günther's Ground Snake
- Günther's Horned Frog
- Günther’s lanternfish
- Günther's Lightbulb Lizard
- Günther's sun tegu
- Günther's Whorltail Iguana
- Guppy Strawberry Cockle
- Guri sea catfish
- Gurupi River Spindle Snake
- Guttulate Foliage-gleaner
- Guyana anchovy
- Guyana Bachia
- Guyana Black Devil Scorpion
- Guyana Blackback Coral Snake
- Guyana Blind Snake
- Guyana Burrowing Snake
- Guyana Humming Frog
- Guyana Kentropyx
- Guyana leaffish
- Guyana Threadsnake
- Guyana white-lipped frog
- Guyanan croaker
- Guyanan Forestslater
- Guyanan Sarota
- Guyanan Short-tailed Opossum
- Gynaea Metalmark
- Haad's Blind Snake
- Hackberry Greenmark
- Hackled-mesh weaver
- Hadassa Firetip
- Haddad's Humming Frog
- Haddad's tree frog
- Haemagogus mosquito
- Haensch's Whorltail Iguana
- Hagedorn's tube-snouted ghost knifefish
- Hagfish
- Haggard's Leaf-eared Mouse
- Hagmann's Keelback
- Hairfin lookdown
- Hairfin smooth-head
- Hairless Robust-Stingless bee
- Hairlip brotula
- Hairpin Chilicola
- Hairstreak
- Hairy armadillo
- Hairy big-eared bat
- Hairy big-eyed bat
- Hairy blenny
- Hairy Clinging Crab
- Hairy conger
- Hairy curltail ant
- Hairy flea beetle
- Hairy little fruit bat
- Hairy Long-nosed Armadillo
- Hairy Panther Ant
- Hairy Pygmy Rice Rat
- Hairy rock crab
- Hairy Saki
- Hairy Soft-haired Mouse
- Hairy Sponge Crab
- Hairy triton
- Hairy Yellow Rover Ant
- Hairy yellow-shouldered bat
- Hairy-crested Antbird
- Hairy-eared Cerrado Mouse
- Hairy-footed Gerbil Mouse
- Hairy-handed Crab
- Hairy-legged vampire bat
- Hairy-nosed bat
- Hairy-soled Conyrat
- Hairy-tailed Akodont
- Hairy-tailed bat
- Hajek’s lizard
- Hake
- Hake weakfish
- Hakeling
- Halciones Hairstreak
- Half naked goby
- Half-banded stargazer
- Half-blind Sphinx
- Half-Blue Hairstreak
- Half-collared Sparrow
- Half-naked hatchetfish
- Half-naked Pen Shell
- Half-silvered Skipperling
- Half-smooth Odostome
- Half-striped Short-tailed Opossum
- Half-tailed Skipper
- Halfbanded pike cichlid
- Halfbanded pyrrhulina
- Halfbeak
- Halfline hemiodus
- Halfline leporinus
- Halfstriped tonguefish
- Halimede Eurybia Butterfly
- Hall's Water Frog
- Haller's round ray
- Halloween Crab
- Hamann's Flabellina
- Hamlet
- Hammaptera Moth
- Hammock Skipper
- Hammond's Rice Rat
- Hampatusami Robber Frog
- Hancock's blenny
- Hancock's River Prawn
- Handley's big-eyed bat
- Handley's myotis
- Handley's nectar bat
- Handley's Short-tailed Opossum
- Handley's Slender Opossum
- Handley's tailless bat
- Handlirsch's Bumble Bee
- Handsome Flycatcher
- Handsome Fruiteater
- Hangnest Tody-tyrant
- Hanno Blue
- Hansen's lanternfish
- Hapuku wreckfish
- Harald's treefrog
- Hard Razor Clam
- Hardhead silverside
- Hardtail conger
- Hardtail moray
- Hardwood Stump Borer
- Hardy's Caecilian
- Harelip cusk
- Harlequin Antbird
- Harlequin bass
- Harlequin beetle
- Harlequin Blue Felimida
- Harlequin Glass-slug
- Harlequin Miter
- Harlequin Plushback
- Harlequin poison frog
- Harlequin Sea Cucumber
- Harlequin Sea Goddess
- Harlequin Shrimp
- Harlequin toad
- Harlequin wrasse
- Harmless serotine
- Harmonia Tigerwing
- Harmony Satyr
- Harp-winged Tripudia Moth
- Harrier
- Harris's Hawk
- Harrison Ford's Slender Snake
- Hart's rivulus
- Hartt's Brain Coral
- Hartweg's Snail-eating Snake
- Harvest mouse
- Harvester ant
- Harvey's Andes Frog
- Harvey's Blackhead
- Haseman's Gecko
- Haseman's toothcarp
- Hassan Greenstreak
- Hatchetfish
- Haunted cuilanes
- Hauxwell's Thrush
- Havila Hairstreak
- Hawaiian Beet Webworm Moth
- Hawaiian halosaurid fish
- Hawbeack Blackhead
- Hawk eagle
- Hawkfish
- Hawkwing Conch
- Hay's snouted treefrog
- Haydee's rocket frog
- Hays' Rocksnail
- Hayward's Skipper
- Hazel-fronted Pygmy-tyrant
- Hazy skipper
- Head-and-tail-light fish
- Head-and-taillight tetra
- Headlight Cockroach
- Headlight fish
- Headspotted Stream Pleco
- Headstander
- Heaping Fiddler Crab
- Heart urchin
- Heart Urchin Pea Crab
- Heath's Tropical Racer
- Heath's Worm Lizard
- Heavy-ribbed Venus
- Hebrew volute
- Hecebolus Skipper
- Hector's Beaked Whale
- Hector's lanternfish
- Hegesippe Firetip
- Helena's marsupial frog
- Helena's treefrog
- Helicid Pteropod
- Heliconian
- Helicopter damselfly
- Helixus Skipper
- Heller's barracuda
- Heller's broad-nosed bat
- Heller's Fiddler Crab
- Heller's Stingless Bee
- Hellmayr's Pipit
- Hellmich's rocket frog
- Hellmich's Tree Iguana
- Helmet Jelly
- Helmet shell
- Helmet vase
- Helmetcrest
- Helmeted Curassow
- Helmeted Iguana
- Helmeted Manakin
- Helmeted marsupial frog
- Helmeted Pygmy-tyrant
- Helmeted water toad
- Helmeted Woodpecker
- Helmeted worm lizard
- Helvetia dwarf frog
- Hemes Skipper
- Hemispingus
- Hemphill Fileclam
- Hemprich's Coral Snake
- Henia-Camiare Tuco-tuco
- Henle's slender-legged treefrog
- Henle's snouted treefrog
- Henna-hooded Foliage-gleaner
- Henricus Skipper
- Hensel's big-headed frog
- Hensel's dwarf frog
- Hensel's snake
- Hensel’s swamp frog
- Heppner's Grass Tubeworm Moth
- Heraclea Sister
- Heraldica Hairstreak
- Herbivorous Patania Moth
- Herbst's Corynura
- Herbst's mini-oil digger
- Hercules beetle
- Hercules Morpho
- Hercules Skimmer
- Herennius Blue-Skipper
- Hermes Satyr
- Hermesia Skipper
- Hermier's Skipper
- Hermina's poison frog
- Hermit
- Hermit cory
- Hermit Crab Anemone
- Hermit Skipper
- Hermit Wood Wren
- Hermodora Metalmark
- Hernandez's Robber Frog
- Hernandez's short-tailed bat
- Hernandez's stubfoot toad
- Herre's sole
- Herrera's Skipper
- Herrera's Skipperling
- Herrmann's Water Snake
- Herveo plump toad
- Hesionides satyr
- Hesperina Eyed-Metalmark
- Hesperioides Skipperling
- Hesterberg's Sister
- Hesychia Hairstreak
- Hewitson's Agrias
- Hewitson’s Clito
- Hewitson's Groundstreak
- Hewitson's Metalmark
- Hewitson's Metron
- Hewitson's Olivewing
- Hewitson's Pigmy
- Hewitson's Ridens
- Heyer's button frog
- Heyer's Leaf Frog
- Heyer's snouted treefrog
- Heyer's spiny-backed frog
- Heyer's tropical bullfrog
- Heyland's suckermouth catfish
- Hezia Clearwing
- Hiatt's Hinge-Beak Shrimp
- Hice's Arboreal Rice Rat
- Hicetas Hairstreak
- Hidden Anemone
- Hidden angel shark
- Hidden Arcas
- Hidden Mirror Skipper
- Hidden Robber Frog
- Hidden Skipper
- Hidden Spiny Tree-rat
- Hidden walking leaf frog
- Hidden-ray skipper
- Hide beetle
- Hiding Eyed-Metalmark
- Hiding saliana
- Hieroglyphic Moth
- Hieroglyphic Skipper
- High Mountain Lizard
- High-Andean Toad-Headed Pitviper
- High-hat
- High-mountain Goblin Spider
- Highfin goby
- Highfin king croaker
- Highfin red banner blenny
- Highfin scorpionfish
- Highland Darner
- Highland Elaenia
- Highland Eyelash-Pitviper
- Highland Meadowhawk
- Highland Rubyspot
- Highland Small Rice Rat
- Highland Tinamou
- Highland yellow-shouldered bat
- Highland Yellow-toothed Cavy
- Highlands Pygmy Rice Rat
- Highlight hatchetfish
- Highseas lampfish
- Highspine goby
- Highwaterman catfish
- Higuchi's tube-snouted ghost knifefish
- Hilaire’s Toadhead Turtle
- Hilarious Myscelus
- Hilina Skipperling
- Hill Dweller Robber Frog
- Hill's Skipper
- Hillis' stream frog
- Hillstar
- Himella Skipper
- Hirlanda White
- Hirsuta Hairstreak
- Hirta Skipper
- Hispa Skipper
- Hispa thoracica
- Hispanic Ground Snake
- Hispaniolan Giant Tarantula
- Hister beetle
- Hitchhiker Anemone
- Hoary Fox
- Hoary Puffleg
- Hoary skipper
- Hoary-throated Spinetail
- Hobart's Anadia
- Hobbs' treefrog
- Hocicudo
- Hocking's Water Frog
- Hoedeman's Hypopygus
- Hoehn's robber frog
- Hoffmann's Two-toed Sloth
- Hoffmanns's Titi
- Hoffmanns's Woodcreeper
- Hog-nosed skunk
- Hogchoker
- Hoge's Ground Snake
- Hoge's Mabuya
- Hoge’s Toadhead Turtle
- Hoge's Worm Lizard
- Hogfish
- Hognose lineate Blackhead
- Hognose pit viper
- Hognose snake
- Hognosed brochis
- Hola Vida rocket frog
- Holland's Toothcarp
- Hollow stardrum
- Hollow-spotted Blepharomastix Moth
- Hollow-spotted Prominent
- Hollowsnout grenadier
- Holmberg's Desert Tegu
- Holt's robber frog
- Homochromus Skipper
- Honda Caecilian
- Honduran Ruby-eye
- Honeycomb cowfish
- Honeycomb moray
- Honeycomb Pleco
- Honeycomb toby
- Honeycreeper
- Hongslo's dwarf cichlid
- Hood Lava Lizard
- Hooded Antpitta
- Hooded Berryeater
- Hooded Capuchin
- Hooded Gnateater
- Hooded Grebe
- Hooded Mountain Tanager
- Hooded Mountain-Toucan
- Hooded Owlet
- Hooded Red-sided Opossum
- Hooded Siskin
- Hooded Snapping Shrimp
- Hooded Tanager
- Hooded tickspider
- Hooded Tinamou
- Hooded Visorbearer
- Hoogmoed harlequin toad
- Hoogmoed's Red-Eyed Landfrog
- Hoogmoed's treefrog
- Hook Anole
- Hook-billed Hermit
- Hook-billed Kite
- Hooked Pleco
- Hookskate
- Hooktooth dogfish
- Hoplo
- Hornby's Storm-Petrel
- Horned Anole
- Horned blenny
- Horned Bristlenose Pleco
- Horned conehead
- Horned Coot
- Horned Curassow
- Horned lanternfish
- Horned Lark
- Horned marsupial frog
- Horned Sapsucker
- Horned Screamer
- Horned Sungem
- Horned whiff
- Horned woodlizard
- Hornero
- Hornless blenny
- Hornworm
- Hornworm parasitoid wasp
- Horse conch
- Horse paper wasp
- Horse-eye jack
- Horsefish
- Horsefly-like carpenter bee
- Horsehair worm
- Horseman's cory
- Hortensia Fritillary
- Horton's Mabuya
- Hospe mullet
- Hospita Skipper
- Hosta Skipper
- Hostería La Selva treefrog
- Hotel Robber Frog
- Hotel Zaracay Salamander
- Hound needlefish
- Hourglass basslet
- Hourglass Dolphin
- Hourglass moray
- Hourglass Plume Moth
- Hourglass treefrog
- Household Casebearer
- Hoverfly
- Hovering goby
- Huachamacari odorous frog
- Huahachuco Water Frog
- Huallaga Tanager
- Huambos Robber Frog
- Huancabamba Crescent
- Huancabamba Mountain Mouse
- Huancabamba Robber Frog
- Huancabamba Skipperling
- Huanchaca Burrowing Mouse
- Huangana cory
- Huanuco Robber Frog
- Huánuco Water Frog
- Huari myotis
- Huayco Tinamou
- Hubb's Octopus
- Hubbs' tilefish
- Huber's woodborer
- Hübner's Olive
- Hubner's Skipper
- Hübner's Telemiades
- Huddle hydroid
- Hudson's Black-tyrant
- Hudson's Canastero
- Hudson's humming frog
- Hudson's lanternfish
- Hudson's Oldfield Mouse
- Hudsonian Godwit
- Huebner's Metalmark Butterfly
- Huemul
- Huet-huet
- Hugo's spiny-chest frog
- Huicundo Rainfrog
- Huigra Sootywing
- Huila Anole
- Huila glass frog
- Huila Spindle Snake
- Huila stubfoot toad
- Huinay cup coral
- Huinay's cactus sponge
- Hujeta
- Hula Skirt Siphonophore
- Hulse's Tree Iguana
- Humaita Antbird
- Human flea
- Human pinworm
- Human Whipworm
- Humboldt Current krill
- Humboldt grenadier
- Humboldt Penguin
- Humboldt Squid
- Humboldt's big-eared brown bat
- Humboldt's glass frog
- Humboldt’s glassfrog
- Humboldt's Night Monkey
- Humboldt's Robber Frog
- Humboldt's Sapphire
- Humboldt's Squirrel Monkey
- Humboldt's tree toad
- Humic Marsh Crab
- Hummelinck's Vesper Mouse
- Hummingbird Tetra
- Hump Coral
- Hump cory
- Humpback anglerfish
- Humpback grunt
- Humpback smooth-hound
- Humpback Western dogfish
- Humpbacked piranha
- Humped Spider
- Humped Trashline Orbweaver
- Hunchback scorpionfish
- Hundred fathom mora
- Huron Skipper
- Hussain's Eyelash-Pitviper
- Husson's yellow bat
- Hutchins' treefrog
- Hyacinth glider
- Hyacinth Visorbearer
- Hyagnis Skipper
- Hyaline grass bug
- Hyaline metalmark
- Hyaline-winged stingless bee
- Hyboma Skipper
- Hydaspes Eighty-Eight
- Hydra
- Hydroid
- Hydrophilic Podelfin
- Hylesia moth
- Hypargyra Skipper
- Hypocala Moth
- Hypsea Hairstreak
- I-Clito
- Iack's Red-rumped Agouti
- Iambe Hairstreak
- Ian's Andes Frog
- Ibague Anole
- Ibarra Snail-eater
- Iberá seedeater
- Ibhara Skipperling
- Ibicui Tuco-tuco
- Ibirapitanga canebrake tree frog
- Ibis Skipper
- Ibiti sucker characin
- Ibitipoca dwarf frog
- Ibitipoca tree toad
- Ibitipoca treefrog
- Ica Rice Rat
- Icacos white-lipped frog
- Icana cory
- Icefish
- Ichneumon wasp
- Idae Tigerwing
- Igaracu marsupial frog
- Igarapé catfish
- Ignita Wasp Moth
- Ignorans Skipper
- Igor's Oldfield Mouse
- Igrapiúna snouted tree frog
- Iguaçu livebearer
- Iguana Tick
- Iguape dwarf frog
- Iguape robber frog
- Iguarasse Robber Frog
- Ihering's Antwren
- Ihering's Brucie
- Ihering's Fathead Anole
- Ihering's snake
- Ihering's Three-striped Opossum
- Ilha de Porcos Pequena snouted tree frog
- Ilha de Santa Catarina tropical bullfrog
- Ilha Maracá Gecko
- Illiger's Saddle-back Tamarin
- Illiman's Andes Frog
- Illineatus Mylon
- Ilu-tepui bush toad
- Ilus swallowtail
- Imaza rocket frog
- Imbabura treefrog
- Imeri Warbling-antbird
- Imitator blenny
- Imitator cory
- Imitator Robber Frog
- Imma Hairstreak
- Immaculata Skipper
- Immaculate Ruby-eye
- Immaculate Skipper
- Immaculate Tufted-Skipper
- Imperfida Mellana
- Imperial Arcas
- Imperial Cormorant
- Imperial Moth
- Imperial Snipe
- Imperial tortoise beetle
- Imperial Venus
- Impostor Duskywing
- Impostor Firetip
- Impostor flame-snake
- Impostor goby
- Impostor Skipper
- Impressive Bent-Skipper
- Imprinted engraved crab
- Ina Skipper
- Inambari Gnatcatcher
- Inambari Woodcreeper
- Inanga
- Inca Calephelis
- Inca finch
- Inca Firetip
- Inca Flycatcher
- Inca Forest Pit Viper
- Inca Hocicudo
- Inca jay
- Inca Metalmark
- Inca Oldfield Mouse
- Inca Skipper
- Inca Tern
- Inca toad
- Inca Wren
- Incachaca toad
- Incan broad-nosed bat
- Incan cusk-eel
- Incan little mastiff bat
- Incan Shrew-opossum
- Incan Water Rat
- Incerta Metalmark
- Incongruous Ark
- Inconspicuous Euselasia
- Inconspicuous Mellana
- Inculta Skipper
- Incurved Cap Shell
- Indian Feather Duster Worm
- Indian sabretooth
- Indifferent eel
- Indigo Flowerpiercer
- Indigo hamlet
- Indigo Macaw
- Indigo snake
- Indigo-capped Hummingbird
- Indigo-winged Parrot
- Indistinct Calephelis
- Indistinct Ground Snake
- Indistinct Groundsnake
- Indo-Pacific Man-O-War
- Indomitable Graphic Moth
- Indoor soil gnat
- Inez' Skipper
- Inezia
- Infant Firetip
- Inflated Marsh Clam
- Inflated Spiny Crab
- Inflated whiptail
- Inger's Robber Frog
- Inirida Worm Lizard
- Inka dwarf cichlid
- Inkaterra Vine Snake
- Inkspot tonguefish
- Inotawa tree frog
- Inotted lizardfish
- Inpa tube-snouted ghost knifefish
- Inquisivi Andes Frog
- Inquisivi Water Frog
- Inshore lizardfish
- Inshore sand perch
- Insignis Tigerwing
- Insolata Satyr
- Insular Caecilian
- Insular pipefish
- Intac Caecilian
- Intac Robber Frog
- Intelligent Grass Mouse
- Interior treefrog
- Intermediate Fiddler Crab
- Intermediate Lesser Grass Mouse
- Intermediate scabbardfish
- Interrupted Cone
- Interrupted Lineodes Moth
- Interrupted Periwinkle
- Intertidal Zebra Snail
- Intestinal Roundworm
- Inti Andes Frog
- Inti Tanager
- Invisible Crambid
- Ipanema broad-nosed bat
- Iphias Metalmark
- Iphicleola Sister
- Iphidamas Cattleheart
- Ipojuca catfish
- Iporanga tooth carp
- Iporanga white-lipped frog
- Ipsilon Dart Moth
- Ipuca Climbing Rat
- Iquitos Gnatcatcher
- Iquitos Humming Frog
- Iquitos Skipper
- Iquitos thorny catfish
- Ira's snook
- Irenia Metalmark
- Iridescent Blue Siphon Pyura
- Iridescent Blue Tarantula
- Iridescent Ground Snake
- Iridistinct Calephelis
- Iris Calephelis
- Irish mojarra
- Isabel's Saki
- Isabella's Longwing
- Isabelline ghost bat
- Isbrücker's Hypopygus
- Isidora Leafwing
- Isla Bonita Robber Frog
- Island Apple Snail
- Island frillfin
- Island frogfish
- Island goby
- Island hogfish
- Island major
- Island spiny-chest frog
- Island trevally
- Ismael's broad-nosed bat
- Ismenius tiger
- Isolated Brangas
- Isonira Skipper
- Isopod
- Ispi
- Isthmian Dwarf Squirrel
- Isthmus Caecilian
- Itacolomi dwarf frog
- Italian flag butterfly
- Itambe's bromeliad frog
- Itapevi Hocicudo
- Itapoá toothcarp
- Itatiaia big-headed frog
- Itatiaia highland frog
- Itatiaia robber frog
- Itatiaia Spinetail
- Itatiaia tree toad
- Itatiaia treefrog
- Ithra Crescent
- Ittona Skipper
- Ivory Barnacle
- Ivory Cerith
- Ivory Tusk Shell
- Ivory-billed Aracari
- Ivory-striped sylph
- Ivy Whorltail Iguana
- Izecksohn's Brazilian treefrog
- Izecksohn's bromeliad frog
- Izecksohn's button frog
- Izecksohn's Guanabara Frog
- Izecksohn's myotis
- Izecksohn's robber frog
- Izecksohn's toad
- Jabiru
- Jabon Paramo Frog
- Jaboticatubas dwarf frog
- Jaboticatubas frog
- Jaboticatubas treefrog
- Jabre's Lancehead
- Jacamar
- Jacana
- Jacare Anole
- Jacareacanga poison frog
- Jacareí toothcarp
- Jack
- Jack-knifefish
- Jackchoker
- Jackson's fathead anole
- Jacobina Punare
- Jacqueline’s Bush Anole
- Jacuhy pleco
- Jade froglet
- Jaeger
- Jaeger's Ground Snake
- Jaguar catfish
- Jaguar leaf frog
- Jaguar livebearer
- Jaguar river crab
- Jaguar snouted treefrog
- Jaguariaíva tree frog
- Jaguarundi
- Jahn's stream frog
- Jaime's Robber Frog
- Jalca Tapaculo
- Jamaica Limpet
- Jamaica weakfish
- Jamaican field cricket
- Jamaican fruit-eating bat
- Jamari Arboreal Rice Rat
- Jambato toad
- Jamei's tube-snouted ghost knifefish
- James' Tree Iguana
- James's anchovy
- James's Flamingo
- Jameson's Snipe
- Jan's Green Racer
- Jan's Hognose Snake
- Jan's Snail-eater
- Jan's Tree Snake
- Jandaya Parakeet
- Jandira toothcarp
- Janequeo’s Lizard
- Janias Greenstreak
- Jansa's Woolly Mouse Opossum
- Janthina Hairstreak
- January Graphic
- January tetra
- January toothcarp
- Japanese dory
- Japumayo Andes frog
- Jaquiá toothcarp
- Jararaca
- Jararacussu
- Jari toothcarp
- Jari zebra pleco
- Jason Hall's Hairstreak
- Jason's Mylon
- Jasper Cone
- Jasper Dwarf Olive
- Jataí
- Jatapu Angel Pleco
- Jatupu Angel Pleco
- Jatupu Cactus Pleco
- Jatupu Toad Pleco
- Jaú
- Jaú Bristly Mouse
- Jaua Stefania treefrog
- Jaua treefrog
- Jauaru Toad Pleco
- Jaume's Keyhole Limpet
- Jauperi Stream Pleco
- Jawfish
- Jayat's Mountain Cavy
- Jelly Crust Tunicate
- Jellynose
- Jelski's Black-tyrant
- Jelski's Chat-tyrant
- Jelsky's Skipperling
- Jenkins' blenny
- Jenner's cowry
- Jenny mojarra
- Jensen's Ground Snake
- Jenyn's tonguefish
- Jenyns's sprat
- Jequitibá Arboreal Mouse
- Jesia Satyr
- Jester Rainfrog
- Jet Antbird
- Jet Blackstreak
- Jet Manakin
- Jewel beetle
- Jewel Caterpillar Moth
- Jewel Jelly
- Jewel moray
- Jewel tetra
- Jewel-studded Skipper
- Jeweled Satyr Moth
- Jeweled Skipper
- Jib-sail dwarf cichlid
- Jiboinha
- Jim's white-lipped frog
- Jiménez de la Espada's Rain Frog
- Jimenez's Robber Frog
- Jiménez's treefrog
- Joannis' Skipper
- João Oliveira’s Bristly Mouse
- Jocotoco Antpitta
- Joergensen's Pearly-Cellophane bee
- Johannes's Tody-tyrant
- Johnson's horned treefrog
- Johnson's Tody-flycatcher
- Joined-fins skate
- Jointed Worm Lizard
- Joinville Caecilian
- Jolthead porgy
- Joly's frog
- Joly’s snouted treefrog
- Jonathan's Lancehead
- Jondachi tree frog
- Jones' Skipperling
- Jonkers's Clito
- Jora Skipper
- Jordan's casque-headed treefrog
- Jordan’s dwarf frog
- Jordan's snapper
- Joseph Hairstreak
- Josephus Owl-Butterfly
- Joshua's blind snake
- Jost's Rainfrog
- Juami river rocket frog
- Juan Deriba killifish
- Juan Fernandez Firecrown
- Juan Fernandez Fur Seal
- Juan Fernandez Petrel
- Juan Fernández polyclad
- Juan Fernández rock lobster
- Juan Fernandez Tit-tyrant
- Juan Fernandez trevally
- Jucunda Clearwing
- Jujuy Tuco-tuco
- Jujuy Water Frog
- Julia butterfly
- Julia's bivalved slug
- Juliaca four-eyed frog
- Juliette
- Jullien's exochella
- Jumandi Mountain Mouse
- Jumbie teta
- Jumping tetra
- Jungle Skipper
- Jungle toothcarp
- Junin Andes Frog
- Junin Antpitta
- Junin Canastero
- Junin Grass Mouse
- Junin Grebe
- Junin Red Squirrel
- Junín Riparian Frog
- Junin Slender Opossum
- Junin Tapaculo
- Juniper Geometer Moth
- Juno Silverspot
- Jureia snouted treefrog
- Jurua anchovy
- Juruti casque-headed tree frog
- Justinianus Skipper
- Juturna Underleaf Butterfly
- Juventus Skipper
- Ka'apor Capuchin
- Kadiwéu Grass Mouse
- Kaempfer's Tody-tyrant
- Kaempfer's Woodpecker
- Kaie rock frog
- Kalinowski's Agouti
- Kalinowski's Chat-Tyrant
- Kalinowski's little mastiff bat
- Kalinowski's Oldfield Mouse
- Kalinowski's Opossum
- Kanaima treefrog
- Kanamari White Uacari
- Kane's cory
- Kanshul Longtail
- Kaplan's Garagoa treefrog
- Kariba Weed Biocontrol Weevil
- Karimi's Fat-tailed Opossum
- Kathleen’s Treerunner
- Katydid
- Kaup's arrowtooth eel
- Kaup's Caecilian
- Kautsky's snouted treefrog
- Kawall's Amazon
- Kaweshkar's spiny-chest frog
- Kayapó terrestrial nest-building frog
- Kaye's Metron
- Kaye's Skipper
- Keays's Rice Rat
- Keel-Bellied Shade Lizard
- Keel-billed Toucan
- Keel-jawed needle fish
- Keelback
- Keelcheek bass
- Keeled Lava Lizard
- Keeled Whorltail Iguana
- Keeltail needlefish
- Keenan's hairy-nosed bat
- Keila Hairstreak
- Kelp curler
- Kelp Goose
- Kelp Gull
- Kelp lace bryozoan
- Kelp membranipora
- Kelp worm
- Kemp's Grass Mouse
- Ken Hayward's Skipper
- Kendall's Wave
- Kennedy's snouted treefrog
- Kennedy's Tetra
- Kennedy's Wedgetail
- Kentucky Warbler
- Kerea Satyr
- Kermadec Petrel
- Kerr's Atlantic Tree-rat
- Kerr's Black-throated Trogon
- Key anchovy
- Key Tegu
- Key worm eel
- Keyhole cichlid
- Keyhole limpet
- Keyhole Wasp
- Keyserling's long-jawed spider
- Khaki Ameiva
- Khastor Water Frog
- Khwarg's Eyelash-Pitviper
- Kieser pleco
- Killdeer
- Killifish
- Kimball's Grass-veneer
- King angelfish
- King Arboreal Rice Rat
- King galaxy cactus pleco
- King gar
- King Helmet Snail
- King mackerel
- King tiger pleco
- King Venus
- King Vulture
- King weakfish
- King-of-the-salmon
- King's Tree Iguana
- King's worm lizard
- Kingbird
- Kingfish
- Kinglet Calyptura
- Kinglet Manakin
- Kingsbury's rocket frog
- Kinkajou
- Kirchners' Viscacha Rat
- Kirkland's Rainfrog
- Kiskadee
- Kissing prochilodus
- Kite
- Kite swallowtail
- Kitefin shark
- Kizorian's Lightbulb Lizard
- Klages's Antbird
- Klages's Antwren
- Klappenbach’s red-bellied toad
- Klauber's blind snake
- Klebba's Eyelash-Pitviper
- Klebba's Snail-Eater
- Klug’s Clearwing
- Kluge's Dwarf Gecko
- Knaacks cory
- Knifefish
- Knobbed Argonaut
- Knobbed Keyhole Limpet
- Knobbed Mud Crab
- Knobbed Pacific Iguana
- Knobbly Zoanthid
- Knobby Anemone
- Knobby brain coral
- Knobby Cactus Coral
- Knobby Scallop
- Knobby star coral
- Knot
- Knot-horn Moth
- Knotfinger Mud Crab
- Knotted Thread Hydroid
- Knudsen's thin-toed frog
- Kodkod
- Koechlin's treefrog
- Koefoed's smooth-head
- Koepcke's hairy-nosed bat
- Koepcke's Hermit
- Koepcke's Screech-Owl
- Koford's Grass Mouse
- Koford's Puna Mouse
- Kokoe poison frog
- Kokraimoro tube-snouted ghost knifefish
- Kolyma Eighty-eight
- Konrad's Skipper
- Koslowsky's Blackhead
- Kosñipata Big-headed Frog
- Kotosh Andes Frog
- Kotosh Grass Mouse
- Kratt's lichen mantis
- Krebs' hairy triton
- Krefft's smooth-head
- Krieg's Tree Iguana
- Krobia
- Krone's flat suckermouth catfish
- Kroyer's deep-sea angler fish
- Kroyer's dwarf frog
- Kubrick's tree frog
- Kugler's Largescale Lizard
- Kukenan bush toad
- Kukwari sea catfish
- Kulina Spiny-rat
- Kulinas' Mustached Tamarin
- Kunam Rainfrog
- Kunapari
- Kuri Robber Frog
- Kurintza tree frog
- Kutukú Rice Rat
- Kwet’s nest-building frog
- La Arboleda stubfoot toad
- La Blanquilla Anole
- La Blanquilla Clawed Gecko
- La Bonita Caecilian
- La Brea poison frog
- La Carbonera stubfoot toad
- La Chorrera Spindle Snake
- La Costa rocket frog
- La Culata rocket frog
- La Culata's Paramo Frog
- La Delicia Robber Frog
- La Escalera carrying frog
- La Escalera rocket frog
- La Escalera treefrog
- La Granja whorltail lizard
- La Guitarra stubfoot toad
- La Hondura Robber Frog
- La Loma Caecilian
- La Loma Robber Frog
- La Loma treefrog
- La Marca's Robber Frog
- La Mica rocket frog
- La Mucuy Salamander
- La Palma Robber Frog
- La Parva spiny-chest frog
- La Paz Robber Frog
- La Pedrera Spindle Snake
- La Planada poison frog
- La Planada Robber Frog
- La Plata anemone
- La Plata croaker
- La Plata pleco
- La Plata skate
- La Rioja Water Frog
- La Tortuga Whiptail
- Labe Satyr
- Labiated Rainfrog
- Lace bug
- Lace Coral
- Lace Murex
- Lacerda's cory
- Lacertine Turret-Cuckoo
- Lacewing
- Lacey’s Scrub-Hairstreak
- Lachesis Skipper
- Lacrimose Mountain Tanager
- Lactos Scarlet-eye
- Ladder Horn Snail
- Ladder Keelback
- Ladder-backed Ethmia Moth
- Ladder-tailed Nightjar
- Ladew's Oldfield Mouse
- Lady-in-waiting Venus
- Ladybird Spider
- Ladyfish
- Lafresnaye's Piculet
- Lages glass frog
- Lagiglia's Marsh Rat
- Lago Agrio Robber Frog
- Lago Blanco Tuco-tuco
- Lagoa Nova hatchet-faced tree frog
- Lagoa Santa Pink-lipped Mouse
- Lagoa Santa Punare
- Lagoa Santa treefrog
- Lagoon catfish
- Lagora Metalmark
- LaGuaira Bachia
- Laguna de los Pozuelos' Rusted Frog
- Laguna Raimunda frog
- Laguna Terraplén Tuco-tuco
- Laguna toad
- Lake Baptista Titi
- Lake Clam Shrimp
- Lake cory
- Lake Duck
- Lake Junin Frog
- Lake tetra
- Lakeside hagfish
- Lamarche's Swallowtail
- Lamarck's sheet coral
- Lamas rocket frog
- Lamas' Skipper
- Lamas's Skipper
- Lambert's cory
- Lamella Scarlet-eye
- Lamellose Wentletrap
- Lami Tuco-tuco
- Lamp shell
- Lampetia Hairstreak
- Lamplight Actinote
- Lamprus Firetip
- Lance-tailed Manakin
- Lanceback treefrog
- Lancebill
- Lancehead
- Lancelet
- Lanceolated Monklet
- Lancer dragonet
- Lancer red banner blenny
- Lancetfish
- Lancini's Ground Snake
- Lancini's Robber Frog
- Land crab
- Land iguana
- Land snail
- Landia silverside
- Lane snapper
- Langer's serotine
- Langguth's Rice Rat
- Laniisoma
- Lansberg's Hog-nosed Pitviper
- Lansdorf's Crescent
- Lantana Flower Gallmite
- Lantana Hairstreak
- Lantana Hispid
- Lantana Lace Bug
- Lantana Leaftier
- Lantana Moth
- Lantana Plume Moth
- Lantana Scrub-Hairstreak
- Lantana Stick Moth
- Lantana treehopper
- Lantern bass
- Lantern bug
- Lanternfish
- Lanternshark
- Laoma Skipper
- Lappet moth
- Lappetlip clingfish
- Lapwing
- Lara Andean collared frog
- Lara myotis
- Large banded keyhole limpet
- Large Bristly Mouse
- Large Elaenia
- Large Fernandina Galapagos Mouse
- Large Flower Coral
- Large four-eyed frog
- Large Four-spotted Scoliid Wasp
- Large fruit-eating bat
- Large Ground Finch
- Large Groundstreak
- Large Hairy Armadillo
- Large Imported Big-headed Ant
- Large Long-clawed Mouse
- Large Mexican Fiddler Crab
- Large Orange Sulphur
- Large Paectes Moth
- Large Snouted Pleco
- Large Spiny Star
- Large Strigilla
- Large Tree Finch
- Large Vesper Mouse
- Large Warted Doris
- Large Wax Scale
- Large Woodskimmer
- Large-banded blenny
- Large-billed Antwren
- Large-billed Seed Finch
- Large-billed Tern
- Large-eared Oldfield Mouse
- Large-eye grenadier
- Large-eyed rabbitfish
- Large-fin pipefish
- Large-footed Tapaculo
- Large-headed Flatbill
- Large-headed glassfrog
- Large-headed leaf frog
- Large-nosed wood turtle
- Large-scale lantern fish
- Large-scaled lantern fish
- Large-scaled spinycheek sleeper
- Large-spotted Seed Bug
- Large-tailed Antshrike
- Large-tailed Dove
- Large-toothed conger
- Largehead conger
- Largehead hairtail
- Largemouth blenny
- Largemouth perch
- Largenose catshark
- Larger Pygmy Mole Grasshopper
- Largescale fat snook
- Largescale foureyes
- Largescale Lizard
- Largescale tonguefish
- Largespine velvet dogfish
- Largespot river stingray
- Largespot tetra
- Largetooth cookiecutter shark
- Largetooth sawfish
- Lark
- Lark-like Brushrunner
- Larvophile dwarf cichlid
- Las Bayas frog
- Las Cruces Aeolid
- Las Damas River Lizard
- Las Escaleras’ skunk frog
- Las Gralarias glassfrog
- Las Hermosas Robber Frog
- Las Lomitas white-lipped frog
- Lasalle's Fishing Snake
- Lasalle's Ground Snake
- Lasciva Sarota
- Lassaux's Sphinx
- Lasso-Alcala's Rain Frog
- Latagus Hairstreak
- Lateral striped pike cichlid
- Lateral striped tetra
- Lateral-lined Water Beetle
- Lathy's Hairstreak
- Latrea Skipper
- Latreille's Hairstreak
- Laughing Falcon
- Laughing Gull
- Laulao catfish
- Laura’s glassfrog
- Laura's lantern fish
- Laura's Satyr
- Laureatus Skipper
- Laureolus Skipper
- Lausus Hairstreak
- Lava Gull
- Lava Heron
- Lava lizard
- LaVal's disk-winged bat
- LaVal's myotis
- Lavender Rope Sponge
- Laverna Metalmark
- Laviana White-Skipper
- Lawrence's Thrush
- Lawson's Night Moth
- Layered Clasping Barnacle
- Lazuline Sabrewing
- Lazy Tuco-tuco
- Leach's Storm-Petrel
- Lead Worm Lizard
- Leaden Antwren
- Leaden worm eel
- Leading Red-ring
- Leaf beetle
- Leaf frog
- Leaf miner moth
- Leaf scorpionfish
- Leaf Stream Pleco
- Leaf-eared bat
- Leaf-eared mouse
- Leaf-footed bug
- Leaf-mimic katydid
- Leaf-nosed anole
- Leaf-nosed bat
- Leaf-toed gecko
- Leafcutter bee
- Leaffish
- Leafhopper
- Leafroller moth
- Leafscale gulper shark
- Leaftosser
- Leafwing
- Leafy Jewel Box
- Leafy Sphinx
- Leander Firetip
- Leandra salamander
- Leaping Rainfrog
- Least big-eared bat
- Least Bittern
- Least Grebe
- Least Nighthawk
- Least pencilfish
- Least Prepona
- Least Pygmy-Owl
- Least Saddlebags
- Least Sandpiper
- Least Scarlet-eye
- Least Seedsnipe
- Least Storm-Petrel
- Least Tern
- Leather bass
- Leather jacket tonicia
- Leather-backed Platydoris
- Leatherjacket
- Leatherleaf Fern Borer Moth
- Leatherleaf slug
- Lebbaeus Ruby-eye
- Lebeau's Silk Moth
- Lebranche mullet
- Led Zeppelin's Rain Frog
- Ledeci's Forest Mouse
- Ledge treefrog
- Leech's fathead anole
- Left-handed jewel box
- Leftraru`s Lizard
- Legless searsid
- Lehmann's Ground Snake
- Lehmann's poison frog
- Lehmann's rocket frog
- Leila Pessôa’s Bristly Mouse
- Lema treefrog
- Lema's Ground Snake
- Lemaitre's mosquitofish
- Lemon ant
- Lemon dwarf cichlid
- Lemon Guppy
- Lemon Moth
- Lemon Patch Tarantula
- Lemon shark
- Lemon tetra
- Lemon-browed Flycatcher
- Lemon-chested Greenlet
- Lemon-rumped tanager
- Lemon-spectacled Tanager
- Lemon-throated Barbet
- Lemon-tipped Helicopter
- Lemoneye grunt
- Lemonspotted Pleco
- Lemur leaf frog
- Lemurine Night Monkey
- Lencates Metalmark
- Lenda Skipperling
- Lenis Sootywing
- Lenocinium Metalmark
- Lenz’ Iguana
- Leon's Robber Frog
- Leopard cory
- Leopard corydoras
- Leopard cusk eel
- Leopard Flatworm
- Leopard frog pleco
- Leopard Iguana
- Leopard Keelback
- Leopard numbfish
- Leopard Peckoltia
- Leopard pleco
- Leopard rocket frog
- Leopard round stingray
- Leopard Sea Cucumber
- Leopard Seal
- Leopard searobin
- Leopard Tree Iguana
- Leopard treefrog
- Leopold's angelfish
- Leopold's Tetra
- Leporinus
- Leppa Eyed-Skipper
- Leprous Grasshopper
- Leptosema Skipper
- Lesbia Clouded Yellow
- Lescure's Robber Frog
- Lessa's Tuco-tuco
- Lesser amberjack
- Lesser and Girdled Xanthine Tiger Beetle
- Lesser Antilles Robber Frog
- Lesser Bean Looper
- Lesser Black-backed Gull
- Lesser Brazilian Fiddler Crab
- Lesser bream
- Lesser bulldog bat
- Lesser Capybara
- Lesser Colombian Climbing Rat
- Lesser Cornstalk Borer Moth
- Lesser devil ray
- Lesser dog-like bat
- Lesser Elaenia
- Lesser electric ray
- Lesser Ficus Sphinx
- Lesser Frigatebird
- Lesser ghost bat
- Lesser Golden-bellied Rice Rat
- Lesser Goldfinch
- Lesser granulated toad
- Lesser Grass Finch
- Lesser Green Lynx Spider
- Lesser Greenlet
- Lesser Grison
- Lesser Guinean devil ray
- Lesser guitarfish
- Lesser Hornero
- Lesser Kiskadee
- Lesser long-tailed bat
- Lesser Microteiid
- Lesser Nighthawk
- Lesser Nothura
- Lesser Ornate Whorltail Iguana
- Lesser Peruvian Climbing Rat
- Lesser Pilalo Robber Frog
- Lesser Rhea
- Lesser sac-winged bat
- Lesser Scaup
- Lesser Short-winged Mole Cricket
- Lesser Shrike-tyrant
- Lesser snouted treefrog
- Lesser spear-nosed bat
- Lesser Starlet Coral
- Lesser Swallow-tailed Swift
- Lesser swimming frog
- Lesser treefrog
- Lesser Violetear
- Lesser Wagtail-tyrant
- Lesser Windward Skink
- Lesser Woodcreeper
- Lesser Yellow-headed Vulture
- Lesser yellow-shouldered bat
- Lesser Yellowlegs
- Lesson's Saddle-back Tamarin
- Lesson's Seedeater
- Leticia cory
- Leticia swamp frog
- Letter opener
- Lettered Aracari
- Lettered Olive
- Lettuce Bryozoan
- Lettuce Coral
- Lettuce Sea Slug
- Leuce Yellow
- Leucomelas Skipper
- Leucosticta eartheater
- Leuctra Satyr
- Lewis's Tuco-tuco
- Leymebamba Antpitta
- Lichen Anole
- Lichen katydid
- Lichen moth
- Lichen-carrying Green Lacewing
- Lichtenstein's Green Racer
- Lifted Owlet
- Light bushy galeopsis
- Light cory
- Light rubbernose pleco
- Light yellow chicken-liver sponge
- Light-coloured spiny sea cucumber
- Light-crowned Spinetail
- Light-mantled Albatross
- Light-spotted Sea Cucumber
- Lightbulb Lizard
- Lightfish
- Lightning Nerite
- Lightning Pitar
- Lightspot Robber Frog
- Ligurina Hairstreak
- Lila Ruby-eye
- Lilac-tailed Parrotlet
- Lilacine Amazon
- Lili tree frog
- Lillo's Akodont
- Lily Rodriguez's beaked toad
- Lima Leaf-eared Mouse
- Lima Leaf-toed Gecko
- Lima rocket frog
- Lima shrimp
- Lime treefrog
- Limon giant glass frog
- Limón tree frog
- Limp eelpout
- Limpet
- Limpkin
- Lina Skipper
- Linda’s glassfrog
- Linda's treefrog
- Lindbergh's Grass Mouse
- Lindbergh's Rice Rat
- Lindo toothcarp
- Lindsay's snouted treefrog
- Line knifefish
- Line-cheeked Spinetail
- Line-fronted Canastero
- Linear bell hydroid
- Lineated Foliage-gleaner
- Lineated Woodpecker
- Lined Antshrike
- Lined Apatelodes
- Lined Earwig
- Lined Forest-Falcon
- Lined Ground Snake
- Lined Many-fingered Teiid
- Lined Quail-Dove
- Lined seahorse
- Lined Seedeater
- Lined sole
- Lined Treesnail
- Lined Water Jelly
- Linhares dwarf frog
- Linhares lime treefrog
- Linhares Smooth Horned Frog
- Linnaeus' Caecilian
- Linnaeus's Joker
- Linnaeus's Mouse Opossum
- Linnaeus's Two-toed Sloth
- Lion tamarin
- Lion's paw
- Lion's Paw Sea Cucumber
- Lipeo livebearer
- Lipped Ark
- Lipstick leporinus
- Liseta mullet
- Lister's Keyhole Limpet
- Lisus Hairstreak
- Lita Woodpecker
- Litana Skipper
- Litter Moth
- Little anchovy
- Little angel harlequin
- Little Arabian Cowrie
- Little Bear Moth
- Little big-eared bat
- Little big-eyed bat
- Little black serotine
- Little Blue Heron
- Little Bluebottle
- Little Brown Darner
- Little Cigarette Harlequin Moth
- Little Clubskimmer
- Little corydoras
- Little croaker
- Little Cuckoo
- Little Dancer Metalmark
- Little Deer Cowrie
- Little devil poison frog
- Little Egret
- Little fire ant
- Little Fringed Weevil
- Little fruit bat
- Little fruit-eating bat
- Little Ground-tyrant
- Little gulper shark
- Little Hermit
- Little Horn Caecum
- Little Inca Finch
- Little mustache sponge
- Little Nightjar
- Little Ochre Lichen Moth
- Little Patagonian Bobtail
- Little Pentagon Star
- Little Pill Woodlouse
- Little Pink Urchin
- Little red encrusting coral
- Little sea bristle
- Little Sea Pill Woodlouse
- Little Shaded Lichen Moth
- Little Shearwater
- Little Six-arm Brittle Star
- Little Sunangel
- Little Swamp Dasher
- Little Thornbird
- Little Tinamou
- Little tomato
- Little tunny
- Little white tellin
- Little white-shouldered bat
- Little Wood Elf
- Little Wood-Rail
- Little Woodpecker
- Little Woodstar
- Little Woolly Mouse Opossum
- Little Yellow
- Little yellow-shouldered bat
- Little-comb Lucine
- Little-devil moth
- Little-scaled Ground Snake
- Littlescale threadfin
- Littoral glassfrog
- Live Oak Metria Moth
- Live sharksucker
- Livebearer
- Livius Daggerwing
- Lizard catshark
- Lizardfish
- Llanganates Rain Frog
- Llanos Frog
- Llanos Long-nosed Armadillo
- Llanos rocket frog
- Lobate Mud Crab
- Lobed Anemone
- Lobed dreamer
- Lobed Star Coral
- Lobetoothed piranha
- Lobo’s Rocky Lizard
- Locutia Skipper
- Lofty triplefin
- Loja Rain Frog
- Loja Robber Frog
- Loja rocket frog
- Loja Tapaculo
- Loja tyrannulet
- Loja Water Frog
- Lojan Lancehead
- Lojana marsupial frog
- Lollipop ascidian
- Lollipop catshark
- Lollyfish Sea Cucumber
- Lomax Skipper
- Lonely Cochran frog
- Long nosed arched cory
- Long nosed smudge spot cory
- Long Sea Whip
- Long Slit Keyhole Sand Dollar
- Long snouted lancetfish
- Long snouted thin-toed frog
- Long-billed Hermit
- Long-billed Starthroat
- Long-billed Woodcreeper
- Long-billed Wren
- Long-bodied Paria Landfrog
- Long-clawed mouse
- Long-crested Pygmy-tyrant
- Long-eared Favorinus
- Long-finned cambeva
- Long-finned cory
- Long-finned glass tetra
- Long-finned Pilot Whale
- Long-furred Arboreal Rice Rat
- Long-furred Atlantic Tree-rat
- Long-haired Soft-haired Mouse
- Long-haired Spiny Tree-rat
- Long-horned Meadow Katydid
- Long-horned Owlet
- Long-jawed orb weaver
- Long-legged bat
- Long-legged Predatory Mite
- Long-legged Spitting Spider
- Long-legged swamp froglet
- Long-necked cuilanes
- Long-nosed armadillo
- Long-nosed bat
- Long-nosed Hairy-eyed-sweat bee
- Long-nosed Short-tailed Opossum
- Long-nosed Shrew-opossum
- Long-nosed Skunk Cory
- Long-snouted bat
- Long-streaked Tussock Moth
- Long-tailed Armored Tree-rat
- Long-tailed Cinclodes
- Long-tailed Climbing Rat
- Long-tailed Flasher
- Long-tailed Ground Dove
- Long-tailed Hermit
- Long-tailed Jaeger
- Long-tailed little lizard
- Long-tailed Meadowlark
- Long-tailed Metalmark
- Long-tailed Mockingbird
- Long-tailed Oldfield Mouse
- Long-tailed Potoo
- Long-tailed Pygmy Rice Rat
- Long-tailed Reed Finch
- Long-tailed river stingray
- Long-tailed Skipper
- Long-tailed Spiny-rat
- Long-tailed Sylph
- Long-tailed Tapaculo
- Long-tailed Tuco-tuco
- Long-tailed Tyrant
- Long-tailed Vesper Mouse
- Long-tailed Weasel
- Long-tailed woodcreeper
- Long-tailed Woodnymph
- Long-tongued Arboreal Mouse
- Long-tongued bat
- Long-trained Nightjar
- Long-tufted Screech-Owl
- Long-wattled Umbrellabird
- Long-whiskered catfish
- Long-whiskered Owlet
- Long-whiskered Rice Rat
- Long-winged Antwren
- Long-winged Harrier
- Longarm brotula
- Longarm Furrow Lobster
- Longarm river prawn
- Longbarb dragonfish
- Longbarb scaly dragonfish
- Longbeard grenadier
- Longbill spearfish
- Longfin barracudina
- Longfin blenny
- Longfin damselfish
- Longfin drum
- Longfin escolar
- Longfin flounder
- Longfin halfbeak
- Longfin Inshore Squid
- Longfin killie
- Longfin lampfish
- Longfin lanternfish
- Longfin mako
- Longfin salema
- Longfin sawtail cat shark
- Longfin scorpionfish
- Longfin silverside
- Longfin smooth-head
- Longfin worm eel
- Longfin yellowtail
- Longfinger anchovy
- Longfinned bullseye
- Longfinned disk pacu
- Longfinned dwarf cichlid
- Longhorn Austraeolis
- Longhorn beetle
- Longjaw bigscale
- Longjaw leatherjacket
- Longjaw pike cichlid
- Longjaw squirrelfish
- Longlure frogfish
- Longnose anchovy
- Longnose butterfly fish
- Longnose greeneye
- Longnose hawkfish
- Longnose knifefish
- Longnose puffer
- Longnose pygmy shark
- Longnose spurdog
- Longnose stingray
- Longnose stubfoot toad
- Longnose velvet dogfish
- Longray fangjaw
- Longrayed whiptail
- Longsnout blacksmelt
- Longsnout butterfly ray
- Longsnout butterflyfish
- Longsnout corydoras
- Longsnout Robber Frog
- Longsnout scorpionfish
- Longsnout seahorse
- Longspine drum
- Longspine grunt
- Longspine scorpionfish
- Longspine snipefish
- Longspine squirrelfish
- Longspine Starsnail
- Longspined porcupinefish
- Longspined stream pleco
- Longtail bass
- Longtail croaker
- Longtail goby
- Longtail knifefish
- Longtail skipper
- Longtail sole
- Longtail southern cod
- Longtail stingray
- Longtail Tadpole Shrimp
- Longtail tonguefish
- Longtail Whiptail
- Longtailed jawfish
- Longtailed Scarlet-eye
- Longtrunk conger
- Longuemare's Sunangel
- Longwing Crescent
- Longwing spinyfin
- Lonomia
- Lookdown
- Loop worm
- Looper moth
- Loosejaw
- Loosescale grenadier
- Looseskin eelpout
- Loosetooth parrotfish
- Lopez's Dorid
- Lorda Skipperling
- Lorenz's Tree Iguana
- Loreto cory
- Loreto Leaf Frog
- Loreto panda cory
- Loreto tetra
- Lorna drum
- Loruhama Eyemark
- Los Alisos Leaf-eared Mouse
- Los Amigos Leaf Frog
- Los Aranguren Paramo Frog
- Los Auribios rocket frog
- Los Bacos tree frog
- Los Cedros Rainfrog
- Los Conejos Short-banded Paramo Frog
- Los Cristales leopard lizard
- Los Frailes Whiptail
- Los Patos Robber Frog
- Los Tayos rocket frog
- Losos’s anole
- Lost Sister
- Lota Skipper
- Lotana Skipper
- Lotus Ruby-eye
- Louisiana Pygmy Snapping Ant
- Louisiana Waterthrush
- Louse fly
- Louvar
- Lovely hatchetfish
- Lovely leaf frog
- Loveridge's Ground Snake
- Loveridge's treefrog
- Low Relief Lettuce Coral
- Lower Andes tree frog
- Lower Matarony Robber Frog
- Lowfin moray
- Lowland Gerbil Mouse
- Lowland Owl
- Lowland Paca
- Lowland rocket frog
- Lowland Tapir
- Lowland tree toad
- Lowland tropical bullfrog
- Lowland Yellow-toothed Cavy
- Lowridge Cactus Coral
- Lozano's Salamander
- Lubber grasshopper
- Lucea-corambe
- Lucianus Metalmark
- Lucifer Skipper
- Lucius Skipper
- Lucy’s Worm Lizard
- Luda Skipper
- Ludens Skipper
- Luderwaldt's Highland Frog
- Lugworm
- Luis Manuel's tailless bat
- Luis's yellow-shouldered bat
- Luminous deepsea cardinalfish
- Luminous hake
- Luminous lanternfish
- Luminous Lizard
- Luminous Scarlet-eye
- Lumptail searobin
- Lumpy Claw Crab
- Lumpy Overgrowing Sponge
- Lunate Dove Shell
- Lunate Zale Moth
- Lund's Atlantic Tree-rat
- Lund's Teiid
- Lund's treefrog
- Lund's Water Rat
- Lungfish
- Lungless salamander
- Lunulated Antbird
- Lupina Emesis
- Lurid Ark
- Luscombe's Rain Frog
- Lustra Skipper
- Lutetia Skipper
- Lutz’ Gecko
- Lutz's button frog
- Lutz's phyllomedusa
- Lutz's Rain Frog
- Lutz's rapids frog
- Lutz's river frog
- Lutz's snouted treefrog
- Lutz's spinythumb frog
- Lutz's stingray
- Lutz's Tree Iguana
- Lutz's treefrog
- Lutz's tropical bullfrog
- Lyca Numberwing
- Lycabas Hairstreak
- Lycaste Tigerwing
- Lyceus Leafwing
- Lycisca Metalmark
- Lyco Skipper
- Lyde Hairstreak
- Lyman's Rainfrog
- Lynch's Anole
- Lynch's Cochran frog
- Lynch's Colombian treefrog
- Lynch's giant glass frog
- Lynch's Leaf Frog
- Lynch's Pilalo Robber Frog
- Lynch's Robber Frog
- Lynch's rocket frog
- Lynch's stubfoot toad
- Lynch’s swamp frog
- Lynch's toad
- Lynx Phidiana
- Lynx spider
- Lyrcaea Eyed-Skipper
- Lyre goby
- Lyre-tailed Nightjar
- Lyrefin pearlfish
- Lysias Skipper
- Lyside Sulphur
- Lysimnia Tigerwing
- Lysippus Metalmark
- Ma's Night Monkey
- Mabel's orchard orb weaver
- Mabille's Bent-Skipper
- Macarena Mountains Snail-eater
- Macarius Tufted-Skipper
- Macaroni Penguin
- MacBryde's Pholidobolus
- MacConnell's bat
- MacConnell's bush toad
- Macedo Ruiz's Bristly Mouse
- MacFarlane's stream frog
- Machado's snouted treefrog
- Mache Cochran frog
- Machete
- Machu Picchu Andean Lizard
- Machu Picchu Inca Rat
- Macia Skipper
- Mackerel scad
- Macleannan's Skipper
- Macleay's Owlfly
- MacNeill's Skipper
- Macola's Tree Iguana
- Macondo Spindle Snake
- Maculosa Skipper
- Macuma leaflitter frog
- Madamango sea catfish
- Madeira butterfly ray
- Madeira lantern fish
- Madeira Mushroomtongue Salamander
- Madeira pleco
- Madeira Skipper
- Madeiran smooth-head
- Madre de Dios Robber Frog
- Madre de Dios snouted treefrog
- Madre de Dios thin-toed frog
- Madyes Swallowtail
- Magdalena Antbird
- Magdalena cichlid
- Magdalena giant glass frog
- Magdalena river stingray
- Magdalena River turtle
- Magdalena rivulus
- Magdalena rocket frog
- Magdalena Tapaculo
- Magdalena tiger catfish
- Magdalena Valley Caecilian
- Magdalena Water Rat
- Magellan plunderfish
- Magellan Shrimp
- Magellan skate
- Magellan's encrusting soft coral
- Magellan's Tree Iguana
- Magellanic Copper Limpet
- Magellanic Cormorant
- Magellanic Diving-Petrel
- Magellanic green spider
- Magellanic Horned Owl
- Magellanic Oystercatcher
- Magellanic Penguin
- Magellanic Plover
- Magellanic rockcod
- Magellanic Snipe
- Magellanic spiny sea cradle
- Magellanic Tapaculo
- Magellanic Triton
- Magellanic Tuco-tuco
- Magellanic Unicorn
- Magellanic volcano sponge
- Magellanic Volute
- Magellanic Woodpecker
- Magenta Petrel
- Magician Tree Snail
- Magistrate Cone
- Magnificent Feather Duster Worm
- Magnificent Frigatebird
- Magnificent Megadarner
- Magnificent Podelfin
- Magnificent Skipper
- Magnificent tritonia
- Magnificent Urchin
- Magnum cockle
- Magnusson's toad
- Magpie Tanager
- Maguari Stork
- Mahogany goby
- Mahogany sea cradle
- Mahogany Shoot Borer
- Mahogany snapper
- Maicuru Stream Pleco
- Maicuru Tiger Pleco
- Maicuru Toad Pleco
- Maimoune Satyr
- Main Tree Iguana
- Maize Calligrapher
- Malachite
- Malachite Darner
- Malacho
- Maldonado redbelly toad
- Maldonado Robber Frog
- Maldonado's Snake
- Malleco spiny-chest frog
- Malli's Rain Frog
- Mallow Scrub-Hairstreak
- Malpelo barnacle blenny
- Malpelo Island Land Crab
- Malpelo wrasse
- Malvania Hairstreak
- Malvasa rocket frog
- Malvasa stubfoot toad
- Mama Dulu Microtegus
- Mambai casque-headed tree frog
- Mamirauá Spindle Snake
- Mammaea Skipper
- Mammoth Cowrie
- Mammoth Skipper
- Mamore Arboreal Rice Rat
- Mamoré cory
- Man-of-war fish
- Manabi dwarf frog
- Manabi Hognose Pitviper
- Manakin
- Manamo anchovy
- Manatee Treesnail
- Manaus harlequin toad
- Manaus mouse catfish
- Manaus slender-legged treefrog
- Manaus snouted treefrog
- Manaus tree toad
- Mandarin Nica
- Mandarin Pleco
- Mandi
- Manduba
- Manduriacu glassfrog
- Maned Froglet
- Mangaratiba snouted tree frog
- Mango pleco
- Mango seed sponge
- Mango Skipper
- Mangrove blenny
- Mangrove crab
- Mangrove Cuckoo
- Mangrove Cupped Oyster
- Mangrove Darner
- Mangrove Finch
- Mangrove goby
- Mangrove Hermit Crab
- Mangrove Periwinkle
- Mangrove Rail
- Mangrove rivulus
- Mangrove Root Crab
- Mangrove Snake
- Mangrove Tree Crab
- Mangrove Tunicate
- Mangrove Upsidedown Jelly
- Mangrove wrasse
- Manicore Warbling-antbird
- Manicou Crab
- Manis Satyr
- Mann's Soft-haired Mouse
- Manrique snouted treefrog
- Mantagnes dwarf frog
- Mantidfly
- Mantipus Robber Frog
- Mantiqueira Humming Frog
- Mantiqueira Smooth-horned Frog
- Mantis shrimp
- Mantled Hawk
- Mantled Howler
- Mantus Metalmark
- Manu Antbird
- Manu poison frog
- Manu Robber Frog
- Manu rocket frog
- Manu short-tailed bat
- Manuel's Skipper
- Manx Shearwater
- Many spotted cory
- Many-banded Aracari
- Many-banded Daggerwing
- Many-banded Metalmark
- Many-banded Skipper
- Many-banded treefrog
- Many-colored Bush Anole
- Many-colored Chaco Finch
- Many-colored Rush Tyrant
- Many-colored Tree Iguana
- Many-plumed Moth
- Many-ribbed Jelly
- Many-spotted Blue-Skipper
- Many-spotted Hummingbird
- Many-spotted Tree Iguana
- Many-striped Canastero
- Many-striped Glass-tailed Snake
- Manyscaled blenny
- Manytooth conger
- Maori basslet
- Maori chief
- Map cory
- Map treefrog
- Mapirica Skipper
- Mapwing
- Maquis Canastero
- Mara
- Maracaibo Basin Tegu Lizard
- Maracaibo basin treefrog
- Maracaibo leatherjacket
- Maracaibo river stingray
- Maracaibo Tody-flycatcher
- Maracaibo toothcarp
- Maracaibo Wood Turtle
- Maracaju Rice Rat
- Maracas dwarf frog
- Maracas heart-tongued frog
- Maracas snouted treefrog
- Marahuaca Norte tree frog
- Marahuaca odorous frog
- Marahuaca treefrog
- Marail Guan
- Marajó Bristly Mouse
- Marajó Lancehead
- Marambaia white-lipped frog
- Maranhão Red-handed Howler
- Maranhão slider
- Maranon Antshrike
- Marañon Crescentchest
- Maranon Gnatcatcher
- Marañón poison frog
- Maranon Sparrow
- Marañon Spinetail
- Maranon Thrush
- Marañon Tyrannulet
- Maraval toothcarp
- Marble knifefish
- Marble-faced Bristle-tyrant
- Marbled Aplexa
- Marbled blenny
- Marbled Caecilian
- Marbled Chiton
- Marbled four-eyed frog
- Marbled Godwit
- Marbled grouper
- Marbled hatchetfish
- Marbled headstander
- Marbled Jelly
- Marbled lancehead
- Marbled moray
- Marbled pearlfish
- Marbled Pim
- Marbled poison frog
- Marbled puffer
- Marbled Rain Frog
- Marbled South American Rain Frog
- Marbled swamp eel
- Marbled Talking Catfish
- Marbled treefrog
- Marbled tropical bullfrog
- Marbled Water Frog
- Marbled Whiptail
- Marbled white-lipped frog
- Marbled wood frog
- Marbled Wood-Quail
- Marc's Bristly Mouse
- Marca's Marmoset
- Marcapata Spinetail
- Marcapata Valley Caecilian
- Marcela’s Bachia
- March fly
- Marco Reyes's Robber Frog
- Marcus' Aeolid
- Mareike's tube-snouted ghost knifefish
- Mares’ Leaf-toed Gecko
- Margarita indigo snake
- Margarita Leaf-toed Gecko
- Margarita murex
- Margarita Skink
- Margay
- Margay pencil catfish
- Marginate snailfish
- Margined flyingfish
- Margined Shining Leaf Chafer
- Margined snake eel
- Margined tonguefish
- Margintail conger
- Maria's giant glass frog
- Mariana Orchid Bee
- Marine earthworm
- Marine Otter
- Marine Prickly Pear
- Marine teardrop
- Maringma Tepui rocket frog
- Marinho's Rice Rat
- Marini's anchovy
- Marini's grenadier
- Marinkelle's sword-nosed bat
- Mario's cory
- Marion's spiderfish
- Mariposa negra
- Marisela's Ground Snake
- Maritza Skipper
- Marius Hairstreak
- Marked goby
- Markham's Storm-Petrel
- Marl Pennant
- Marlin sucker
- Maroma Ruby-eye
- Maroni eartheater
- Maroon Anemone
- Maroon-bellied Parakeet
- Maroon-belted Chat-Tyrant
- Maroon-chested Ground Dove
- Maroon-faced Parakeet
- Maroon-tailed Parakeet
- Marrero's tube-snouted ghost knifefish
- Mars Moth
- Mars Skipperling
- Marsh Antwren
- Marsh Deer
- Marsh knifefish
- Marsh rat
- Marsh Seedeater
- Marsh Tapaculo
- Marshall’s Ghost-Skipper
- Marshbird
- Marsupial frog
- Marsyas Hairstreak
- Martena Firetip
- Martha's Groundsnake
- Martia Robber Frog
- Martian ant
- Martin
- Martinez's tropical bullfrog
- Martini's hagfish
- Martins' treefrog
- Martins's Bare-faced Tamarin
- Marty's toad
- Maruim white-lipped frog
- Marumbi treefrog
- Marvelous Spatuletail
- Maryanne's Robber Frog
- Maryellen's Ground Snake
- Masafuera Rayadito
- Masatierra Petrel
- Mashpi glassfrog
- Mashpi torrenteer
- Masked Antpitta
- Masked Booby
- Masked Cardinal
- Masked Crimson Tanager
- Masked Duck
- Masked flowerpiercer
- Masked Fruiteater
- Masked Gnatcatcher
- Masked goby
- Masked moray
- Masked Mountain Tanager
- Masked Saltator
- Masked stargazer
- Masked Swimming Crab
- Masked Tanager
- Masked Titi
- Masked Tityra
- Masked Trogon
- Masked Water Tyrant
- Masked Yellowthroat
- Masquerader hairy blenny
- Massive Starlet Coral
- Massoia's Lutrine Opossum
- Master Leaf-eared Mouse
- Mastiff bat
- Mat Zoanthid
- Mata da Bananeira snouted tree frog
- Mata do Catolé heart-tongued frog
- Mata mata
- Matador Bug
- Matapalo broad-nosed bat
- Mathiasson's treefrog
- Matilde's Rain Frog
- Mato Grosso Antbird
- Mato Grosso Arboreal Rice Rat
- Mato Grosso blind snake
- Mato Grosso Burrowing Snake
- Mato Grosso dog-faced bat
- Mato Grosso Grasshopper
- Mato Grosso Green Racer
- Mato Grosso leaf frog
- Mato Grosso poison frog
- Mato Grosso Pygmy Rice Rat
- Mato Grosso scale-eating characin
- Mato Grosso snouted treefrog
- Mato Verde harlequin frog
- Matses Arboreal Rice Rat
- Matses big-eared bat
- Matses reserve tree toad
- Matted Fiddler Crab
- Mattevi's Vesper Mouse
- Matucana Skipper
- Maués Marmoset
- Maués snouted tree frog
- Maul's searsid
- Maule Tuco-tuco
- Mauri
- Mauve goby
- Maximilian’s Snake-headed Turtle
- Mayan Lichen Mantis
- Mayfly
- Mayorga rocket frog
- Mayr's Lesser Trap-jaw Ant
- Mazans Scallopwing
- Mazar Rainfrog
- Mazaruni treefrog
- Mazatlan sole
- Maze Coral
- Maze pleco
- Mazurka Hairstreak
- McCain's skate
- McConnell's Flycatcher
- McConnell's Rice Rat
- McConnell's Spinetail
- McConnell's Tepui Climbing Rat
- McCosker's hagfish
- McCosker’s no-line scorpionfish
- McDiarmid’s glassfrog
- McDiarmid's rocket frog
- McIlhenny's Four-eyed Opossum
- Mead's lanternfish
- Meadowlark
- Meal Moth
- Mealy Amazon
- Mealybug
- Meander cory
- Meander prepona
- Medanitos Water Frog
- Medellin Mushroomtongue Salamander
- Medellín Small-eared Shrew
- Medem's Coral Snake
- Medem's glassfrog
- Medem's Neusticurus
- Medem's Titi
- Medem’s Treerunner
- Mediterranean dealfish
- Mediterranean slimehead
- Medium Ground Finch
- Medium Tree Finch
- Medium-tailed Rice Rat
- Medusa blenny
- Medusa Pleco
- Mega clown pleco
- Mega Snowball pleco
- Megalops Skipper
- Megamouth shark
- Megarus Scrub-Hairstreak
- Mehely's Humming Frog
- Melanic Podelfin
- Melanomerus Firetip
- Melantho Tigerwing
- Meleiro livebearer
- Melicertes Skipper
- Melin's mastiff bat
- Melini corydoras
- Melissa's yellow-eared bat
- Melius Skipper
- Mella Skipper
- Melleus Hairstreak
- Melma Groundstreak
- Melon-headed Whale
- Melonworm Moth
- Menapis Tigerwing
- Mendes' tube-snouted ghost knifefish
- Mendoza four-eyed frog
- Mendoza pass toad
- Mendoza Tuco-tuco
- Mendozan Chinchilla Rat
- Menechmus Skipper
- Menelaus Morpho
- Menes Skipper
- Menhaden
- Menwig frog
- Mera rocket frog
- Mercedes' Robber Frog
- Merchant Dove Shell
- Mercurial Skipper
- Merganser
- Merida Andes treefrog
- Mérida brushfinch
- Merida Cable Car Frog
- Merida Coral Snake
- Merida Flowerpiercer
- Merida Montane Mouse
- Mérida Mountain Salamander
- Merida Rice Rat
- Merida Robber Frog
- Merida rocket frog
- Merida Skipperling
- Merida Small-eared Shrew
- Merida Sunangel
- Merida Tapaculo
- Merida treefrog
- Merida Wren
- Merida’s collared frog
- Merida's stubfoot toad
- Meridian Gecko
- Meridian Mellana
- Merino leaflitter frog
- Meris Telemiades
- Merlin
- Mermaid lanternfish
- Mermaid's veil
- Merops Skipper
- Merriam's long-tongued bat
- Mertens' Caecilian
- Mertens' Coral Snake
- Mertens' rocket frog
- Mertens' tree toad
- Mertens' Tropical Forest Snake
- Mertens' Worm Lizard
- Mesensis tube-snouted ghost knifefish
- Mesh-web spider
- Meshed costate beania
- Meshed spine-less beania
- Mesoamerican River Otter
- Mesoamerican round-eared bat
- Mesoamerican slider
- Mesopotamia beaked toad
- Mesopotamian coral snake
- Mesopotamian Fat-tailed Opossum
- Mesoxantha Skipperling
- Messana Sister
- Messmate
- Mestor Mylon
- Meta Robber Frog
- Metallescens Skipper
- Metallic blue lady beetle
- Metallic green bee
- Metallic lantern fish
- Metallic Podelfin
- Metallic Robber Frog
- Metallic-green Tanager
- Metalmark
- Metalmark Moth
- Metaltail
- Meton Hairstreak
- Metope Eyemark
- Metrodorus Skipper
- Metropolitan redspot
- Mevania Eyed-Metalmark
- Mexican Arcas
- Mexican barracuda
- Mexican barred snapper
- Mexican blenny
- Mexican Blind Snake
- Mexican Cockle
- Mexican Dartwhite
- Mexican flounder
- Mexican Fritillary
- Mexican funnel-eared bat
- Mexican goatfish
- Mexican goby
- Mexican Harvest Mouse
- Mexican hogfish
- Mexican hornshark
- Mexican lampfish
- Mexican moonfish
- Mexican needlefish
- Mexican sand perch
- Mexican Silverspot
- Mexican snook
- Mexican Two-tailed Spider
- Mexican Yellow
- Michael Sabin's Ground Snake
- Michaelsen's Long-clawed Mouse
- Michelin flea frog
- Micrathena
- Micropanther
- Microwhip scorpion
- Micythus Skipper
- Midas Tamarin
- Middle American indigo snake
- Middling thread herring
- Midge
- Midget ground weaver
- Midnight catfish
- Midnight parrotfish
- Midwater scorpionfish
- Mielke's Mellana
- Mielke's Ruby-eye
- Mielke's Skipperling
- Miguel Christie's Tuco-tuco
- Miguel Pereira snouted tree frog
- Miguel's button frog
- Miguel's ground frog
- Miguelito Cory
- Mikhailin's scabbardfish
- Mikolji's Oscar
- Miles' Skipper
- Military ground snake
- Military Macaw
- Military river frog
- Milk Conch
- Milk frog
- Milk Moon Snail
- Milk Sea Nettle
- Milk snake
- Milkfish
- Milkweed assassin bug
- Milky sand stargazer
- Milky Way woodcat
- Millennium cory
- Miller's dog-faced bat
- Miller's long-tongued bat
- Miller's mastiff bat
- Miller's Saki
- Millet
- Milton's Rain Frog
- Milton's Titi
- Milvius Skipper
- Mimas Groundstreak
- Mimetic Firetip
- Mimic blenny
- Mimic cardinalfish
- Mimic False Coral Snake
- Mimic poison frog
- Mimic Rainfrog
- Mimic scale-eating tetra
- Mimic Tigerwing
- Mimic treefrog
- Mimic white
- Mimosa giant monophlebid
- Mimosa Skipper
- Mimosa Yellow
- Mimula Hairstreak
- Minas Gerais Caecilian
- Minas Gerais Snake
- Minas Gerais spinythumb frog
- Minas Gerais Tyrannulet
- Minas swamp froglet
- Minca Spiny-rat
- Mindo glassfrog
- Mindo harlequin frog
- Mindo Leaf Frog
- Mindo Rainfrog
- Mindo Robber Frog
- Miner
- Mini-molly
- Miniature Awlsnail
- Minke whale
- Minor stardrum
- Minos Skipper
- Mint Moth
- Mint Pavona
- Minthe Skipper
- Minute Bristly Mouse
- Minute fungus-farming ant
- Minute Hermit
- Minute Rainfrog
- Minute Tuco-tuco
- Minyas Cycadian
- Mira Climbing Rat
- Mira Purplewing
- Miraculous Pedipes
- Miraflores goby
- Miranda Green Racer
- Miranda's button frog
- Miranda's Disc Frog
- Miranda's white-lipped frog
- Miriam's frog
- Mirina Molly
- Miroslaw's Andes Frog
- Mirror dory
- Mirror lanternfish
- Mirror Rainfrog
- Mirror turtle ant
- Mirrorbelly
- Mirrorwing flyingfish
- Miser Skipperling
- Mishana Tyrannulet
- Misiones Blackhead
- Misiones forest edge grasshopper
- Misius Skipper
- Misma Hairstreak
- Misnamed Skipper
- Mississippi Kite
- Mistletoe Tyrannulet
- Mistratoan yellow-shouldered bat
- Misty grouper
- Mitchell's Worm Lizard
- Mithrax Duskywing
- Mitre snail
- Mitred Parakeet
- Mittermeier's rocket frog
- Mittermeier's stubfoot toad
- Mitzi's Hairstreak
- Mixed Anole
- Mixed orchid bee
- Miyata's Robber Frog
- Mobile Groundling
- Mocha Island ground frog
- Moche big-eared brown bat
- Mock blenny
- Mocosa ruff
- Mocquard's Swamp Snake
- Modest froglet
- Modest Ground Snake
- Modest Whorltail Iguana
- Moehring's Smooth Horned Frog
- Moela's lancehead
- Mojarra
- Mola Rock Crab
- Mole beetle
- Mole crab
- Mole cricket
- Molina's Hog-nosed Skunk
- Molinapampa rocket frog
- Molinari's rocket frog
- Molinopampa Penelfin
- Molleturo Robber Frog
- Mollina Satyr
- Mollis Satyr
- Molly
- Molly miller
- Molochina Underleaf Butterfly
- Molpe Metalmark
- Mondolfi's Robber Frog
- Monito del monte
- Monjita
- Monk Parakeet
- Monk Saki
- Monkey frog
- Monkey grasshopper
- Monkey Slug Moth
- Monogram Isopod
- Mont Itoupé rocket frog
- Montane Atlantic Forest Rat
- Montane Bamboo Rat
- Montane dragonlet
- Montane Fish-eating Rat
- Montane Foliage-gleaner
- Montane Forest Screech-Owl
- Montane Grass Mouse
- Montane Guinea Pig
- Montane myotis
- Montane Oldfield Mouse
- Montane Red-rumped Tree Mouse
- Montane rocket frog
- Montane Woodcreeper
- Montanucci’s Cuilanes
- Montanucci's Pholidobolus
- Montanus tube-snouted ghost knifefish
- Monte Duida treefrog
- Monte Gerbil Mouse
- Monte Grass Mouse
- Monte Hermoso Tuco-tuco
- Monte Roraima rocket frog
- Monte Tuco-tuco
- Monte Yellow Finch
- Montevideo redbelly toad
- Montevideo treefrog
- Montra Skipper
- Moody Skipper
- Moojen's Pygmy Rice Rat
- Moojen's Spiny-rat
- Moon dollar
- Moon Eyetail Moth
- Moon jelly
- Moon pleco
- Moon Satyr
- Moon snail
- Moonfish
- Moonseed Fruitpiercer
- Moorish idol
- Mopsus Firetip
- Mora Skipperling
- Moratelli's myotis
- Morgan's Gerbil Mouse
- Morlaco Rainfrog
- Mormyrus tube-snouted ghost knifefish
- Morning Glory Tufted-Skipper
- Moroccan moon snail
- Morona Robber Frog
- Morona-Santiago stubfoot toad
- Morona-Santiago treefrog
- Morro Anhangava flea toad
- Morro da Tromba flea toad
- Morro do Baú flea toad
- Morro do Cachorro flea toad
- Morro do Corcovado flea toad
- Morro dos Padres flea toad
- Morro Prumirim flea toad
- Morsa Saliana
- Morse Knifefish
- Moruga Grasshopper
- Morva Skipperling
- Mosaic corydoras
- Mosaic Stingray
- Moscopan Caecilian
- Mosers' Brangas
- Moss Millipede
- Moss Robber Frog
- Moss-backed Sparrow
- Moss-backed Tanager
- Mossy Ark
- Mote sculpin
- Moth blenny
- Moth-butterfly
- Motmot
- Mottle-backed Elaenia
- Mottle-cheeked Tyrannulet
- Mottled Clito
- Mottled false moray
- Mottled flounder
- Mottled jawfish
- Mottled leaf frog
- Mottled Longtail
- Mottled mojarra
- Mottled opal
- Mottled Owl
- Mottled Piculet
- Mottled Prepona
- Mottled Purplewing
- Mottled Purse Crab
- Mottled scorpionfish
- Mottled Scrub-Hairstreak
- Mottled Seahare
- Mottled Shore Crab
- Mottled Skipper
- Mottled soapfish
- Mottled tonguefish
- Mottled Tortoise Beetle
- Mottled Tuco-tuco
- Mottled Waterhyacinth Weevil
- Mottled-face Tamarin
- Mount Caparao Hocicudo
- Mount Duida frog
- Mount Pirre Deermouse
- Mount Turumiquire rocket frog
- Mountain Avocetbill
- Mountain Cacique
- Mountain Caracara
- Mountain catfish
- Mountain cavy
- Mountain Centipede Snake
- Mountain Coati
- Mountain Crest Robber Frog
- Mountain Degu
- Mountain Elaenia
- Mountain Greenstreak
- Mountain marsupial frog
- Mountain mullet
- Mountain Paca
- Mountain Parakeet
- Mountain Pholidobolus
- Mountain Sipo
- Mountain spiny-chest frog
- Mountain stream sardine
- Mountain tanager
- Mountain Tapir
- Mountain toucan
- Mountain Tree Iguana
- Mountain Velvetbreast
- Mountain viscacha
- Mountain Wren
- Mountainous Star Coral
- Mourner
- Mournful Duskywing
- Mournful Long-tailed Woodcreeper
- Mournful Sphinx
- Mourning bee
- Mourning Sierra Finch
- Mourning tetra
- Mourning Warbler
- Mouse Catfish
- Mouse Cone
- Mouse Cowrie
- Mouse opossum
- Mouse-colored Antshrike
- Mouse-colored Tapaculo
- Mouse-colored Thistletail
- Mouse-colored Tyrannulet
- Mouse-eared toad
- Mouse-gray Flycatcher
- Mousetail knifefish
- Moustache jawfish
- Moustached Antpitta
- Moustached Antwren
- Moustached Brushfinch
- Moustached Flowerpiercer
- Moustached frog
- Moustached Puffbird
- Moustached Turca
- Moustached Woodcreeper
- Moustached Wren
- Mousy Plume Moth
- Mouthless crab
- Moyobamba snouted treefrog
- Mt. Duida Skipper
- Muchagua's lizard
- Muchimuk rain frog
- Muckraker
- Mucubají skunk frog
- Mucubají stubfoot toad
- Mucuchíes’ frog
- Mucugê Robber Frog
- Mucurici hatchet-faced tree frog
- Mud crab
- Mud cricket
- Mud dauber
- Mud turtle
- Muddy arrowtooth eel
- Mudflat Fiddler Crab
- Muela Hairstreak
- Mueller's Sea Pansy
- Mueller's Termite Frog
- Mueses-Cisneros toad
- Muisca Antpitta
- Muisca salamander
- Mulberry Leaftier
- Muller's giant glass frog
- Muller's smooth horned frog
- Muller's Tegu
- Mullet snapper
- Mulsant's Water Treader
- Multi-banded leporinus
- Multicicatrices Fluted Scale
- Multicolored Rain Frog
- Multicolored Tanager
- Multispine skate
- Multispotted lanternfish
- Munchique Wood Wren
- Munda round ray
- Mundo Novo treefrog
- Munduruku Marmoset
- Munk's devil ray
- Munoa Worm Lizard
- Munoz's Rainfrog
- Mura Nunka Rainfrog
- Murex
- Murici spinythumb frog
- Muriqui
- Murisipan rocket frog
- Murray's abyssal anglerfish
- Murri beaked toad
- Murri Robber Frog
- Muscosa Sphinx
- Muscovy Duck
- Mushroom scorpionfish
- Mushroom sea squirt
- Music Volute
- Musical treefrog
- Musician Wren
- Mussel beard
- Musser's Bristly Mouse
- Musser's Fish-eating Rat
- Musser's Montane Rat
- Musso's Fish-eating Rat
- Mussurana
- Mustached bat
- Mustard Hill Coral
- Mutable Hairy-eyed Sweat Bee
- Mutable Rainfrog
- Muted Hairstreak
- Muted Serdis
- Mutina Midistreak
- Mutton hamlet
- Mutton snapper
- Muzo Skipper
- Muzo Stingless Bee
- Mycon Hairstreak
- Myers' grenadier
- Myers' poison frog
- Myers' Robber Frog
- Myers' Surinam Toad
- Myers' thin-toed frog
- Myiobius
- Myna Ruby-eye
- Myotis
- Myris Skipper
- Myrtea Hairstreak
- Myrtusa Hairstreak
- Mys Skipper
- Mystery cory
- Mystery goby
- Mystical Euselasia
- Nacunda Nighthawk
- Nahuelbuta ground frog
- Nail cory
- Nail Mussel
- Naked blenny
- Naked characin
- Naked Green Sea Urchin
- Naked sole
- Naked-backed bat
- Naked-belly searobin
- Naked-soled Conyrat
- Naked-tailed armadillo
- Naked-toed Gecko
- Namibian Cushionstar
- Namorado sandperch
- Nanday Parakeet
- Nanea Skipper
- Nangaritza Rain Frog
- Nankints Rain Frog
- Napo corydoras
- Napo giant glass frog
- Napo lime treefrog
- Napo plump toad
- Napo Sabrewing
- Napo Saki
- Napo slender-legged treefrog
- Napo Spiny-rat
- Narbal Hairstreak
- Narcissus Agrias
- Narcissus Sea Star
- Nariño poison frog
- Narino Robber Frog
- Nariño Spindle Snake
- Nariño Tapaculo
- Narino toothcarp
- Narrow Leaf-toed Gecko
- Narrow Tree Crab
- Narrow-banded Dartwhite
- Narrow-banded Owl-Butterfly
- Narrow-banded Shoemaker
- Narrow-barred butterflyfish
- Narrow-billed Antwren
- Narrow-billed Woodcreeper
- Narrow-fingered Fiddler Crab
- Narrow-flanged Redspot
- Narrow-footed Bristly Mouse
- Narrow-fronted Fiddler Crab
- Narrow-headed puffer
- Narrow-headed tree frog
- Narrow-mouthed frog
- Narrow-nasal Leaf-eared Mouse
- Narrow-striped anchovy
- Narrow-tailed Emerald
- Narrow-tipped Wedgetail
- Narrow-winged Blue-Skipper
- Narrow-winged Mylon
- Narrow-winged skimmer
- Narrowfin smooth-hound
- Narrowhead flyingfish
- Narrowmouthed catshark
- Narrownecked oceanic eel
- Narrownose smooth-hound
- Narrowsnout grenadier
- Narva Checkerspot
- Nassa mud snail
- Nassau grouper
- Nasute termite
- Natal Brown Birdeater
- Natal Pigmy Gecko
- Natterer's anchovy
- Natterer's Coral Snake
- Natterer's Slaty-antshrike
- Natterer's Tuco-tuco
- Naturetrek Leaf Frog
- Nauplius crescent
- Nauta Robber Frog
- Nauta salamander
- Nautes Mithras
- Naxia Sister
- Nayarit Mellana
- Nazareus Flasher
- Nazca Booby
- Nea Sister
- Neblina Coral Snake
- Neblina Frog
- Neblina Metaltail
- Neblina Tapaculo
- Neblina tree frog
- Neblina tropical bullfrog
- Neblina Uacari
- Nebulous Brucie
- Nebulous Clito
- Nebulous marsupial frog
- Neck-banded Snake
- Neckbanded Ground Snake
- Necklaced Spinetail
- Nectar bat
- Needle Sea Urchin
- Needle-billed Hermit
- Needle-tooth moray
- Needlefish
- Neff's Mini-Oil digger
- Neghme's South American bird argasid
- Neglected Eighty-eight
- Neglected Sarota
- Neglected Worm Lizard
- Negrito
- Neighbor Anole
- Neighbor Tagelus
- Neild's Brangas
- Neisi Forest Mouse
- Nelson Gallo's Rainfrog
- Neon skimmer
- Neon tetra
- Neotropic Cormorant
- Neotropical Bluet
- Neotropical Crescent
- Neotropical Lava Lizard
- Neotropical Pincertail
- Neotropical Pygmy Squirrel
- Neotropical Red Paper Wasp
- Neotropical red-shouldered stink bug
- Neotropical River Otter
- Neotropical Snail-eater
- Neotropical Whip Snake
- Neptune beetle
- Nerite
- Nero Skipper
- Neroides Skipper
- Nervous Skipper
- Nesaea Metalmark
- Netted Barrel Sponge
- Netted Olive
- Netted prochilod
- Network sole
- Neuwied's False Boa
- Neuwied's False Fer-de-lance
- Neuwied's lancehead
- Neuwied's Tree Snake
- New beauty
- New Granada Caecilian
- New Granada cross-banded treefrog
- New Granada sea catfish
- New Grenada drum
- New River South American Rain Frog
- New River treefrog
- New World banded thynnid wasp
- New World Checkered-Skipper
- New Zealand ruffe
- New Zealand seabird tick
- Nibaldo's wood frog
- Nicaragua giant glass frog
- Nicaragua sea hare
- Nicaraguan Groundstreak
- Nicefor's Tapeti
- Niceforo Maria's Oldfield Mouse
- Nicéforo María's Shadow Snake
- Niceforo's Andes Anole
- Niceforo's big-eared bat
- Niceforo's marsupial frog
- Niceforo's poison frog
- Niceforo's Robber Frog
- Niceforo's stubfoot toad
- Niceforo's Wren
- Nichol's lanternfish
- Nicolay's Arcas
- Nicolay's Metalmark
- Nicomedes Mellana
- Nida Skipper
- Niepelt’s eyed silkmoth
- Nieto's Rainfrog
- Night Dove Snail
- Night heron
- Night monkey
- Night sergeant
- Night shark
- Night Sky Pleco
- Nighthawk
- Nightingale-thrush
- Nightingale-wren
- Nightjar
- Nijssen's cory
- Nijssen's Hypopygus
- Nikko Skipper
- Nimble Spray Crab
- Nimble-footed Rice Rat
- Nine ray toothcarp
- Nine-armed Sea Star
- Nine-banded armadillo
- Nineline goby
- Nisaee Groundstreak
- Nitetis Hairstreak
- Nitra Skipper
- Noble Jumping Spider
- Noble lampfish
- Noble Leafwing Butterfly
- Noble Myscelus
- Noble Sea Cucumber
- Noble Snipe
- Noble's Bachia
- Noble's Leaf-toed Gecko
- Noble's Pygmy Frog
- Noctua Skipper
- Nocturnal Curassow
- Nocturnal harlequin toad
- Nocturnal pearlfish
- Noddy
- Nodose Clinging Crab
- Nodose Rubble Crab
- Nodulose Lobster Shrimp
- Nodulose Miter
- Nolcken's Skipper
- Nono Robber Frog
- Nonpassionate Heliconian
- Norax Hairstreak
- Nordenskjold's bigscale
- Norica Daggerwing
- Norica Purplewing
- Norma Ewing Rain Frog
- Norman's Keelback
- Norman's smooth-head
- Norman's swallower
- Normandia Caecilian
- Noronha cleaner goby
- Noronha Elaenia
- Noronha frillfin goby
- Noronha scaly blenny
- Noronha skink
- Noronha Vireo
- Noronha wrasse
- North Andean Soft-haired Mouse
- North Andean treefrog
- North coastal granular toad
- North shore marsupial frog
- North-Pacific argentine
- Northeastern Brazilian dogfish
- Northeastern Brazilian leaf frog
- Northeastern Oval Frog
- Northeastern pepper frog
- Northeastern Woolly Mouse Opossum
- Northern Akodont
- Northern Amazon Red Squirrel
- Northern Andean Red Brocket
- Northern Andean Water Mouse
- Northern Arboreal Mouse
- Northern Barred-woodcreeper
- Northern Black-eared Opossum
- Northern blind snake
- Northern Brown Brocket
- Northern caiman lizard
- Northern Calico Snake
- Northern Cat-eyed Snake
- Northern Chestnut-breasted Wren
- Northern Chorinea
- Northern Clito
- Northern Colocolo
- Northern Cordilleras Robber Frog
- Northern Crackerlet
- Northern dwarf bonneted bat
- Northern Emerald Toucanet
- Northern Eyed-Skipper
- Northern Eyelash Boa
- Northern ghost bat
- Northern Giant Flag Moth
- Northern Giant-Hummingbird
- Northern Giant-Petrel
- Northern Gracile Opossum
- Northern Gray Fox
- Northern green anaconda
- Northern Ground Snake
- Northern hairy-legged myotis
- Northern Harrier
- Northern Huemul
- Northern kingfish
- Northern little yellow-eared bat
- Northern longnose cory
- Northern Maned Three-toed Sloth
- Northern mole cricket
- Northern Mountain Cavy
- Northern Mountain Viscacha
- Northern Muriqui
- Northern Naked-tailed Armadillo
- Northern orange Partamona
- Northern Oval Frog
- Northern Painted Smooth-throated Lizard
- Northern Páramo Hocicudo
- Northern Peru Rainfrog
- Northern Pintail
- Northern Plain-xenops
- Northern Pudu
- Northern Pygmy Marmoset
- Northern red snapper
- Northern Royal Albatross
- Northern Schiffornis
- Northern Screamer
- Northern Scrub-flycatcher
- Northern searobin
- Northern Shoveler
- Northern Slaty-antshrike
- Northern Snail-eater
- Northern Spectacled Lizard
- Northern stripe-headed round-eared bat
- Northern Surprising-White
- Northern Tamandua
- Northern Teiid
- Northern Three-striped Opossum
- Northern Triorla
- Northern Tropical Buckeye
- Northern Waterthrush
- Northern White-fringed Antwren
- Northern Woodland Racer
- Northwestern Arboreal Rice Rat
- Northwestern Climbing Salamander
- Northwestern Conyrat
- Northwestern Red Brocket
- Northwestern Woolly Mouse Opossum
- Nose Anole
- Nose-striped cory
- Notal lanternfish
- Notched Crescent
- Notchspine brotula
- Notchtongue goby
- Nothobachia
- Nothura
- Notothen
- Nouns' glassfrog
- Noury's Argonaut
- Nova Friburgo treefrog
- Nova Teutonia white-lipped frog
- Novaes's Bald Uacari
- Nucleus Scallop
- Nude topshell
- Numata longwing
- Numbala Rain Frog
- Number Eighty
- Nunbird
- Nuñez' Tree Iguana
- Nunlet
- Nurse frog of the Serranía de Perijá
- Nurse shark
- Nursery web spider
- Nursica skipper
- Nut Ark
- Nut Cone
- Nutibara Robber Frog
- Nutting's Snapping Shrimp
- Nybelin's Porogadus
- Nymph duskhawker
- Nymph tree frog
- O'Connell's Spiny-rat
- O'Neill's Antpitta
- O'Neill's Tree Snake
- O'Shaughnessy's Anole
- O'Shaughnessy's Gecko
- O'Shaughnessy's Lightbulb Lizard
- Oarfish
- Oasis Hummingbird
- Obama Flatworm
- Oberthur's Sister
- Obese dragonfish
- Obese Funnel
- Obese Henricia
- Oblique butterflyfish
- Oblique streaktail
- Oblique-banded flea beetle
- Oblique-banded snapper
- Oblong Sea Urchin
- Obrinus Olivewing
- Obscure forceptail
- Obscure Skipper
- Obscure Sootywing
- Obscure Sphinx
- Obscure swamp eel
- Oca Skipper
- Occidental blenny
- Occult Sphinx
- Ocean Bass
- Ocean sunfish
- Ocean surgeonfish
- Ocean triggerfish
- Ocean whitefish
- Oceanic lightfish
- Oceanic puffer
- Oceanic two-wing flyingfish
- Oceanic whitetip shark
- Oceia Hairstreak
- Ocellate duckbill
- Ocellate river stingray
- Ocellate Swimming Crab
- Ocellated Anadia
- Ocellated Antbird
- Ocellated Box Crab
- Ocellated Crake
- Ocellated electric ray
- Ocellated frogfish
- Ocellated moray
- Ocellated Pampas Snake
- Ocellated Piculet
- Ocellated pipefish
- Ocellated Poorwill
- Ocellated Rainfrog
- Ocellated Tapaculo
- Ocellated Tegu
- Ocellated toad
- Ocellated tonguefish
- Ocellated treefrog
- Ocellated Woodcreeper
- Ochoa Whorltail Iguana
- Ochoa-Graterol's Climbing Rat
- Ochra Metalmark
- Ochracea Metalmark
- Ochraceous Attila
- Ochraceous Piculet
- Ochraceous Wren
- Ochraceous-breasted Flycatcher
- Ochre Groundstreak
- Ochre Shoulder
- Ochre-backed Woodpecker
- Ochre-bellied Dove
- Ochre-bellied Flycatcher
- Ochre-breasted Antpitta
- Ochre-breasted Brushfinch
- Ochre-breasted Foliage-gleaner
- Ochre-breasted Pipit
- Ochre-breasted Tanager
- Ochre-browed Thistletail
- Ochre-cheeked Spinetail
- Ochre-collared Piculet
- Ochre-faced Tody-flycatcher
- Ochre-flanked Tapaculo
- Ochre-fronted Antpitta
- Ochre-marked Parakeet
- Ochre-naped Ground-tyrant
- Ochre-rumped Antbird
- Ochre-striped Antpitta
- Ochreous Saliana
- Ochro Skipperling
- Ochus Hairstreak
- Ocola Skipper
- Octamerous Anemone
- Octavio's robber frog
- Oculate dancer
- Ocyalus Skipper
- Odd Anole
- Odd highhat
- Odhner's Polycera
- Oersted's Brittle Star
- Oeta Sootywing
- Offshore lizardfish
- Offshore pipefish
- Offshore silver hake
- Offshore tonguefish
- Ogre-faced spider
- Oiapoque Eartheater
- Oibita catfish
- Oil Catfish
- Oil-collecting bee
- Oilbird
- Oileus Owl-Butterfly
- Oilfish
- Oily Lasaia
- Ojasti's Slender Opossum
- Okra Leafworm Moth
- Olaf's Firetip
- Olallas' Titi
- Oldfield mouse
- Oleaginous Hemispingus
- Olga cory
- Olinda Metalmark
- Olingo
- Olivaceous Elaenia
- Olivaceous Flatbill
- Olivaceous Greenlet
- Olivaceous Piculet
- Olivaceous Piha
- Olivaceous Schiffornis
- Olivaceous Siskin
- Olivaceous Thornbill
- Olivaceous Woodcreeper
- Olive cory
- Olive Finch
- Olive Flycatcher
- Olive Forest Racer
- Olive grouper
- Olive Keelback
- Olive Manakin
- Olive Metron
- Olive Oropendola
- Olive ridley sea turtle
- Olive Robber Frog
- Olive royal pleco
- Olive shell
- Olive Soft-haired Mouse
- Olive Spinetail
- Olive spiny-chest frog
- Olive Tegu
- Olive Zoanthid
- Olive-backed flea toad
- Olive-backed Foliage-gleaner
- Olive-backed Quail-Dove
- Olive-backed Tanager
- Olive-backed Woodcreeper
- Olive-chested Flycatcher
- Olive-crowned Crescentchest
- Olive-crowned Yellowthroat
- Olive-faced Flatbill
- Olive-green Tanager
- Olive-green Tyrannulet
- Olive-grey Saltator
- Olive-sided Flycatcher
- Olive-spotted Hummingbird
- Olive-striped Flycatcher
- Olivewing
- Olrog's Chaco Mouse
- Olrog's Cinclodes
- Olrog's Gull
- Omar's Rain Frog
- Ommatochila Moth
- Omnivorous Platynota Moth
- Omosudid
- Omura's Whale
- Oncilla
- Oncol spiny-chest frog
- Oncol's ground frog
- One spot toothcarp
- One-banded Ground Snake
- One-colored Becard
- One-groove Pedipes
- One-pupil Satyr
- One-spotted flea beetle
- One-spotted Prepona
- One-tooth Simnia
- Onefin skate
- Oneka Firetip
- Oneline pencilfish
- Onesided livebearer
- Onestriped livebearer
- Onore's harlequin frog
- Onore's Robber Frog
- Onoribo Hornydick
- Onyx Slippersnail
- Oophagous slender-legged treefrog
- Opah
- Opal pearlfish
- Opal spot pleco
- Opal-crowned Manakin
- Opal-crowned Tanager
- Opal-rumped Tanager
- Ophia Hairstreak
- Opigena Skipper
- Opisena Hairstreak
- Opossum pipefish
- Opus Skipper
- Orange Agouti
- Orange ascidian
- Orange ball corallimorph
- Orange Banner
- Orange barnacle crust sponge
- Orange Beggar
- Orange bellowfish
- Orange Black Pleco
- Orange button sea slug
- Orange Cracker
- Orange Cup Coral
- Orange Daggerwing
- Orange decameric anemone
- Orange deep-water anemone
- Orange dwarf toothcarp
- Orange eel
- Orange Epipagis Moth
- Orange filefish
- Orange Fin Bristlenose
- Orange Fire Worm
- Orange Hoof Shell
- Orange Icing Sponge
- Orange Kite-Swallowtail
- Orange knobby star
- Orange Mapwing
- Orange Mimic-Swallowtail
- Orange nectar bat
- Orange reticulated polyp star
- Orange Robber Frog
- Orange robber frog of Tinguichaca
- Orange roughy
- Orange Satyr-Moth
- Orange seam pleco
- Orange Silver-spot
- Orange spotted ballerina
- Orange spotted bristlenose
- Orange Theope
- Orange Thordisa
- Orange Tonicia
- Orange Tree Spider
- Orange trumpet sponge
- Orange whelk
- Orange-backed Troupial
- Orange-band Marginella
- Orange-banded Flat
- Orange-banded Flycatcher
- Orange-banded Gem
- Orange-banded Metalmark
- Orange-banded Shoemaker
- Orange-banded tarantula
- Orange-banded Tripudia Moth
- Orange-barred Pixie
- Orange-barred Sulphur
- Orange-bellied Antwren
- Orange-bellied Euphonia
- Orange-bellied leaf toad
- Orange-bellied Manakin
- Orange-bellied Swampsnake
- Orange-billed Nightingale-Thrush
- Orange-billed Sparrow
- Orange-breasted Falcon
- Orange-breasted Fruiteater
- Orange-breasted Thornbird
- Orange-browed Hemispingus
- Orange-cheeked Parrot
- Orange-chinned Parakeet
- Orange-costa Euselasia
- Orange-crested Flycatcher
- Orange-crowned Euphonia
- Orange-crowned Manakin
- Orange-crowned Oriole
- Orange-eared Tanager
- Orange-edged Firetip
- Orange-edged greenmark
- Orange-eyed Flatbill
- Orange-eyed Thornbird
- Orange-fronted Barbet
- Orange-fronted Plushcrown
- Orange-fronted Yellow Finch
- Orange-groined Rain Frog
- Orange-headed cockroach
- Orange-headed Metron
- Orange-headed Stegea
- Orange-headed Tanager
- Orange-legged leaf frog
- Orange-legged terrestrial nest-building frog
- Orange-patched Crescent
- Orange-rimmed Owl-Butterfly
- Orange-shouldered Sherbet Moth
- Orange-sided Opossum
- Orange-spot Duke
- Orange-spotted Flower Moth
- Orange-spotted leaf frog
- Orange-spotted Nanuca
- Orange-spotted Prepona
- Orange-spotted sand perch
- Orange-spotted Skipper
- Orange-stitched Metalmark
- Orange-striped Metalmark
- Orange-throated bat
- Orange-throated Sunangel
- Orange-throated Tanager
- Orange-tipped austral small carpenter bee
- Orange-tipped bumblebee
- Orange-tipped Sea Squirt
- Orange-Veined Encrusting Sponge
- Orange-washed sister
- Orange-winged Amazon
- Orangeback bass
- Orangeback Squid
- Orangeclaw Hermit Crab
- Orangefin tetra
- Orangegill Tambja
- Orangeside triggerfish
- Orangesided goby
- Orangespotted blenny
- Orangespotted filefish
- Orangespotted goby
- Orangetip Angled-Sulphur
- Orb weaver
- Orbed Narrow-wing Moth
- Orca Rain Frog
- Orces' Andes Anole
- Orces's Andean Water Mouse
- Orces’s harlequin frog
- Orces's long-tongued bat
- Orchard Oriole
- Orchard spider
- Orchid bee
- Orchid leather neck whiptail
- Orcinus Skipper
- Orcus Checkered-Skipper
- Ordway's brotula
- Oreba Satyr
- Orejas-Miranda redbelly toad
- Orejuela's glassfrog
- Orellana Spindle Snake
- Orellana's collared frog
- Orestias
- Organ Mountains robber frog
- Organos Chromodorid
- Oriander Skipper
- Original Firetip
- Origo Groundstreak
- Orinocan Speckled Tree-rat
- Orinoco Brush-tailed Rat
- Orinoco crocodile
- Orinoco eartheater
- Orinoco Four-eyed Opossum
- Orinoco Goose
- Orinoco lime treefrog
- Orinoco matamata
- Orinoco Piculet
- Orinoco River Dolphin
- Orinoco sailfin catfish
- Orinoco Saltator
- Orinoco serotine
- Orinoco Softtail
- Orinoco sword-nosed bat
- Oriole
- Oriole amberwing
- Oriole Blackbird
- Orion Cecropian
- Orion Cone
- Orius Skipper
- Oriximina Lizard
- Orizaba silkmoth
- Ornamented flyingfish
- Ornate Bella Moth
- Ornate Blue Crab
- Ornate carpenter bee
- Ornate Chiton
- Ornate Christmas Tree Worm
- Ornate cloud frog
- Ornate Coral Snake
- Ornate cory
- Ornate Fiddler Crab
- Ornate Flycatcher
- Ornate forest toad
- Ornate Hawk-Eagle
- Ornate hunchback barnacle
- Ornate Hydriris Moth
- Ornate Pim
- Ornate Rainfrog
- Ornate sap-sucking slug
- Ornate scallop
- Ornate Snake Eel
- Ornate Soft-haired Mouse
- Ornate Stipplethroat
- Ornate tetra
- Ornate Tinamou
- Ornate Titi
- Ornate Tree Iguana
- Ornate tree toad
- Ornate treefrog
- Ornate Tropical Wandering Spider
- Oroanna Mithras
- Orobia Mithras
- Orobiana Mithras
- Orocana Mithras
- Orocue cory
- Oropendola
- Orphan Salamander
- Orsilochus Daggerwing
- Orsines Skipperling
- Orsis bluewing
- Ortalus Hairstreak
- Ortega's Hypopygus
- Orthos Skipper
- Ortiz's Rainfrog
- Ortiz's Tree Iguana
- Osa Fiddler Crab
- Osca Skipper
- Oscar
- Osgood's Leaf-eared Mouse
- Osgood's Short-tailed Opossum
- Osgood's Small-eared Shrew
- Osiriform Digger-Cuckoo
- Ostenfeld's lanternfish
- Ostracod
- Osvaldo Reig's Tuco-tuco
- Oswaldo Báez' Snail-Eater
- Otavalo's Oldfield Mouse
- Otavio tree toad
- Othna Skipper
- Otocinclus
- Otro Cerro Pericote
- Otuno
- Ouro Preto big-headed frog
- Oustalet's Tyrannulet
- Outcrop Sabrewing
- Outrigger triggerfish
- Oval damselfish
- Oval flounder
- Ovalpatch Skipper
- Oven frog
- Ovenbird
- Overcast Skipper
- Overgrowing Mat Tunicate
- Overlook Spiny Pocket Mouse
- Ovid Skipper
- Owl butterfly
- Owl Moth
- Owlet
- Owlfly
- Ox beetle
- Oxaites Skipperling
- Oxapampa Andes Frog
- Oxapampa Antpitta
- Oxapampa Frog
- Oxapampa Penelfin
- Oxapampa poison frog
- Oxapampa stubfoot toad
- Oxyrhynchus tube-snouted ghost knifefish
- Oyapock eartheater
- Oyster blenny
- Oyster Pea Crab
- Oystercatcher
- Ozelot pleco
- Ozias Ruby-eye
- Paca
- Pacaraima coral snake
- Pacarana
- Pacheco's Pygmy Rice Rat
- Pacheco's Squirrel
- Pachitea Robber Frog
- Pacific agujon needlefish
- Pacific anchoveta
- Pacific angelshark
- Pacific Antwren
- Pacific barracudina
- Pacific beakfish
- Pacific bearded brotula
- Pacific Beardless-tyrannulet
- Pacific blackchin
- Pacific blackdragon
- Pacific bumper
- Pacific Calico Scallop
- Pacific chupare
- Pacific Cockroach
- Pacific cornetfish
- Pacific cownose ray
- Pacific creole-fish
- Pacific crevalle jack
- Pacific Crown Conch
- Pacific deepwater flounder
- Pacific Degu
- Pacific dog snapper
- Pacific drum
- Pacific eagle ray
- Pacific Elaenia
- Pacific eyed flounder
- Pacific fat sleeper
- Pacific flagfin mojarra
- Pacific Flatbill
- Pacific flatiron herring
- Pacific footballfish
- Pacific forest long-tongued bat
- Pacific giant glass frog
- Pacific goliath grouper
- Pacific graysby
- Pacific guitarfish
- Pacific Hairback Fiddler Crab
- Pacific harvestfish
- Pacific hatchet fish
- Pacific headlightfish
- Pacific Horned Frog
- Pacific ilisha
- Pacific jack mackerel
- Pacific kingcroaker
- Pacific leopard flounder
- Pacific Long-tailed Snake
- Pacific longnose chimaera
- Pacific lowland tree frog
- Pacific Mangrove Ghost Crab
- Pacific menhaden
- Pacific Mole Crab
- Pacific Mottled Shore Crab
- Pacific mutton hamlet
- Pacific nurse shark
- Pacific Parrotlet
- Pacific Peanut Worm
- Pacific pearlfish
- Pacific pomfret
- Pacific porgy
- Pacific portholefish
- Pacific red snapper
- Pacific reef bass
- Pacific sabretooth anchovy
- Pacific sandperch
- Pacific scabbardfish
- Pacific Sea Pen
- Pacific seabob
- Pacific seahorse
- Pacific sharpnose shark
- Pacific sierra
- Pacific silverstripe halfbeak
- Pacific sleeper
- Pacific smalleye croaker
- Pacific smalltail shark
- Pacific snake eel
- Pacific spadefish
- Pacific Speckled Crab
- Pacific Spiny-rat
- Pacific spookfish
- Pacific spotted scorpionfish
- Pacific stargazer
- Pacific tent-making bat
- Pacific thorny oyster
- Pacific thread herring
- Pacific toadfish
- Pacific tripletail
- Pacific Tuftedcheek
- Pacific Wedgetail
- Pacific White Hoof Shell
- Pacific Wing Oyster
- Pacific worm eel
- Pacora
- Pacu
- Pacuma toadfish
- Padded clingfish
- Paddle worm
- Paddlenose chimaera
- Padial's Rain Frog
- Padre Luna tree frog
- Paetus Hairstreak
- Pagaibamba Oldfield Mouse
- Page butterfly
- Paint-billed Crake
- Painted Big-eared Mouse
- Painted Coral Snake
- Painted Egg Cockle
- Painted electric ray
- Painted Ghost Crab
- Painted Lady
- Painted Manakin
- Painted Parakeet
- Painted Shrimp
- Painted snipe
- Painted stubfoot toad
- Painted Theope
- Painted Tody-flycatcher
- Painted Tree Iguana
- Painted Tree-rat
- Painted Tunicate
- Painted White
- Painted wrasse
- Paintspotted moray
- Paired-Bell Siphonophore
- Paisa frog
- Paita kingcroaker
- Paiva's blenny
- Pajamas treefrog
- Paladines Rain Frog
- Palaeste Metalmark
- Palanda rocket frog
- Pale Anemone
- Pale Baywing
- Pale Bluewing
- Pale bristlemouth
- Pale brown long-tongued bat
- Pale Cadlina
- Pale cardinalfish
- Pale catfish
- Pale Collared Scarlet Snake
- Pale Cracker
- Pale Damsel Bug
- Pale Ground Snake
- Pale Herdmania
- Pale Ministreak
- Pale Mylon
- Pale Owl-Butterfly
- Pale Pericote
- Pale Prepona
- Pale Red Bug
- Pale rocket frog
- Pale Sailor
- Pale Sicklewing
- Pale spear-nosed bat
- Pale threadtail snipe eel
- Pale Titi
- Pale Yellow
- Pale-banded Darner
- Pale-bellied Hermit
- Pale-bellied Mourner
- Pale-bellied nectar bat
- Pale-bellied Tapaculo
- Pale-bellied Tyrant-manakin
- Pale-billed Antpitta
- Pale-billed Hornero
- Pale-blue Eyed-Metalmark
- Pale-breasted Spinetail
- Pale-breasted Thrush
- Pale-browed Tinamou
- Pale-browed Treehunter
- Pale-clubbed Hairstreak
- Pale-collared Froglet
- Pale-crested Woodpecker
- Pale-edged Flycatcher
- Pale-edged Selenisa
- Pale-eyed Blackbird
- Pale-eyed Pygmy-tyrant
- Pale-eyed Thrush
- Pale-faced Bare-eye
- Pale-footed Swallow
- Pale-footed Uranotaenia
- Pale-green Darner
- Pale-headed Brushfinch
- Pale-headed Jacamar
- Pale-legged Dasher
- Pale-legged Hornero
- Pale-legged Warbler
- Pale-lobed Hairstreak
- Pale-mandibled Aracari
- Pale-naped Brushfinch
- Pale-rayed Skipper
- Pale-rumped Swift
- Pale-spotted Leafwing
- Pale-spotted Seed Bug
- Pale-tailed Barbthroat
- Pale-tailed Canastero
- Pale-throated Three-toed Sloth
- Pale-tipped Tyrannulet
- Pale-vented Pigeon
- Pale-vented Thrush
- Pale-ventered nurse frog
- Pale-winged dog-like bat
- Pale-winged Trumpeter
- Paleback goby
- Palebelly searsid
- Palehead blenny
- Palenose moray
- Palenque poison frog
- Paler Diacme Moth
- Palespotted corydoras
- Palespotted eel
- Palkachupa Cotinga
- Pallas's long-tongued bat
- Pallas's mastiff bat
- Pallid Atlantic Forest Rat
- Pallid Atlantic Tree-rat
- Pallid Dove
- Pallid dwarf treefrog
- Pallid Fat-tailed Opossum
- Pallid goby
- Pallid Scarlet-eye
- Pallid Spinetail
- Pallid-winged grasshopper
- Pallister's Skipper
- Palm Moth
- Palm rocket frog
- Palm ruff
- Palm swift
- Palm tanager
- Palm treefrog
- Palm-Boring Weevil
- Palma Real Robber Frog
- Palmate Giant-Cuckoo
- Palmeiras snouted tree frog
- Palmer's Robber Frog
- Palmer's Snail-Eater
- Palmer’s Teiid
- Palmer's treefrog
- Palo Verde seed beetle
- Paloma pompano
- Palp-footed spider
- Pampa Finch
- Pampas cat
- Pampas Deer
- Pampas Fox
- Pampas golden tarantula
- Pampas Meadowlark
- Pampas myotis
- Pampas Pipit
- Pampas Snake
- Pampas Tawny-red Tarantula
- Pamplona Anadia
- Pamplona Ground Snake
- Panama anchovy
- Panama blonde tarantula
- Panama croaker
- Panama cross-banded treefrog
- Panama Flycatcher
- Panama grunt
- Panama hake
- Panama Humming Frog
- Panama kingcroaker
- Panama Least Gecko
- Panama lightfish
- Panama Moth
- Panama Mouse Opossum
- Panama pearl oyster
- Panama porkfish
- Panama rocket frog
- Panama Serpent Star
- Panama silverside
- Panama snaggletooth
- Panama spadefish
- Panama tetra
- Panama thorny cockle
- Panama Thumbstall Squid
- Panama triplefin
- Panamanian Aguna
- Panamanian Dwarf Boa
- Panamanian jawfish
- Panamanian Night Monkey
- Panamanian Sarota
- Panamanian Sootywing
- Panamanian tetra
- Panamanian Theope
- Panamanian Tufted-Skipper
- Panamanian Tulip Snail
- Panamic Arrow Crab
- Panamic bonnet snail
- Panamic clingfish
- Panamic Comb Venus
- Panamic Cushion Star
- Panamic cusk-eel
- Panamic frillfin
- Panamic green moray
- Panamic redhead goby
- Panamic sergeant major
- Panamic Snapping Shrimp
- Panamic soldierfish
- Panamic stingray
- Panamic Turkey Wing
- Panaque Peru Orange Lyretail
- Pancake Frog
- Panche Ridens
- Pancho's Monito del Monte
- Panda ant
- Panda corydoras
- Pandi Mushroomtongue Salamander
- Pando tetra
- Pandora Mellana
- Pandora Skipper
- Panduro dwarf cichlid
- Panga big-headed frog
- Panguana poison frog
- Panguana Robber Frog
- Panimeron Skipper
- Paniscoides Skipperling
- Panna Skipper
- Pannaria Wave
- Pansy Daggerwing
- Pantaloon cichlid
- Pantanal Barracuda Tetra
- Pantanal Cat
- Pantanal Coral Snake
- Pantanal cory
- Pantanal dwarf catfish
- Pantanal eartheater
- Pantanal parasitic catfish
- Pantanal Punare
- Pantanal Snipe
- Pantepui Relict Damsel
- Pantepui Slender Opossum
- Pantepui Thrush
- Pantha Skipperling
- Panther ant
- Panther knifefish
- Panther Tree Iguana
- Pantropical Spotted Dolphin
- Papa Panaque
- Papallacta marsupial frog
- Papallacta Robber Frog
- Papallacta treefrog
- Papallacta Valley Robber Frog
- Papaya Fruit Fly
- Paper wasp
- Paperbones
- Paphos Skipper
- Papillate clingfish
- Papillose Elysia
- Papillous worm
- Pará Blackhead
- Pará Climbing Salamander
- Para coral snake
- Para Foliage-gleaner
- Para Gecko
- Para Gnatcatcher
- Para Greenlet
- Para molly
- Para Mongo Zebra
- Para Pleco
- Para Spiny Tree-rat
- Pará thin-toed frog
- Para toad
- Paracou Bristly Mouse
- Paractito tree frog
- Paradise Jacamar
- Paradise Tanager
- Paradox goby
- Paradoxical frog
- Paragua cory
- Paraguana common mustached bat
- Paraguana Spiny Pocket Mouse
- Paraguanan Ground Gecko
- Paraguay caiman lizard
- Paraguay Green Racer
- Paraguay Horned Frog
- Paraguay Mabuya
- Paraguay Pleco
- Paraguay red-bellied toad
- Paraguayan Akodont
- Paraguayan Blackhead
- Paraguayan Fat-tailed Opossum
- Paraguayan Hairy Dwarf Porcupine
- Paraguayan Rainbow Boa
- Paraguayan Rice Rat
- Paraguayan swimming frog
- Paraiba Robber Frog
- Parallel lanternfish
- Parallel striped dwarf cichlid
- Paralus Groundstreak
- Paralus Skipper
- Paramillo Tapaculo
- Paramo Andes Frog
- Paramo Frontino Salamander
- Paramo Horned Owl
- Paramo Oldfield Mouse
- Paramo Pipit
- Paramo Robber Frog
- Paramo Seedeater
- Paramo Tapaculo
- Paramo toad
- Paramos Robber Frog
- Paramosa Podelfin
- Paraná corydoras
- Paraná eartheater
- Paraná False Boa
- Paraná Grass Mouse
- Paraná river mastiff bat
- Paraná robber frog
- Parana scale-eating characin
- Parana Skipper
- Paraná tropical bullfrog
- Paranaiba snouted tree frog
- Paranapiacaba rapids frog
- Paranapiacaba Smooth Horned Frog
- Paranapiacaba treefrog
- Parasitic Jaeger
- Parassi mullet
- Pardiñas's Oldfield Mouse
- Pardusco
- Parecis Titi
- Paria Brushfinch
- Paria Cloud Forest Landfrog
- Paria collared frog
- Paria Dwarf Landfrog
- Paria glass-frog
- Paria Twin Landfrog
- Paria Whitestart
- Paria Wood Elf
- Parima rocket frog
- Parin's anthias
- Parin's grenadier
- Parin's spinyfish
- Parjacti treefrog
- Parker's Andes Frog
- Parker's Antbird
- Parker's Brazilian Dumpy Frog
- Parker's Caecilian
- Parker's Ground Snake
- Parker's Litter Frog
- Parker's Many-fingered Teiid
- Parker's Pholidobolus
- Parker's Spinetail
- Parker's Whorltail Iguana
- Parkinson's Petrel
- Parma Skipperling
- Parnaiba river stingray
- Parodi's Hemispingus
- Paroeca Sister
- Parona leatherjacket
- Parr's lanternfish
- Parrot Doradid
- Parrot grenadier
- Parrot Leporinus
- Parrot pacu
- Parrot snake
- Parrot-billed Seedeater
- Parrotlet
- Paru Tiger Pleco
- Parula
- Paryag's killifish
- Pasco Robber Frog
- Pasco tree frog
- Pasco white-lipped frog
- Paseas Skipper
- Passalus Scarlet-eye
- Passany sea catfish
- Passarelli's Frog
- Passionvine Bug
- Passova Firetip
- Pastaza corydoras
- Pastaza marsupial frog
- Pastaza River Caecilian
- Pastaza rocket frog
- Pastaza Valley Robber Frog
- Pasture Skipper
- Pastuso harlequin toad
- Pastuso threadsnake
- Patagonia frog
- Patagonia Green Racer
- Patagonia Mountain Lizard
- Patagonian blenny
- Patagonian Canastero
- Patagonian Chinchilla Rat
- Patagonian codling
- Patagonian Copper Limpet
- Patagonian dwarf bonneted bat
- Patagonian flounder
- Patagonian Forest Earthcreeper
- Patagonian Geitodoris
- Patagonian grenadier
- Patagonian hagfish
- Patagonian hake
- Patagonian Hermit Crab
- Patagonian Keyhole Limpet
- Patagonian lancehead
- Patagonian Mantis Shrimp
- Patagonian Mara
- Patagonian Mockingbird
- Patagonian moray cod
- Patagonian Opossum
- Patagonian redfish
- Patagonian Rock Sea Cucumber
- Patagonian rockcod
- Patagonian Scallop
- Patagonian seahorse
- Patagonian Sierra Finch
- Patagonian skate
- Patagonian Squid
- Patagonian Tegula
- Patagonian Tinamou
- Patagonian Tuco-tuco
- Patagonian Tyrant
- Patagonian Weasel
- Patagonian Yellow Finch
- Pataikos Rainfrog
- Patchtail tonguefish
- Patchwork lampfish
- Pater Skipper
- Pati
- Patian Lancehead
- Patricia's disk-winged bat
- Patrobas Skipper
- Patroculus Skipper
- Patterned Whorltail Iguana
- Patton's Atlantic Tree-rat
- Patton's nectar bat
- Patton's Spiny-rat
- Pau Brasil Spiny-rat
- Pau-rosa tree frog
- Pauini treefrog
- Paula's Clearwing
- Paulina's Tree Iguana
- Paulo's lime treefrog
- Paulo's Robber Frog
- Pauper Skipper
- Pauper Slender-Stingless bee
- Pauropod
- Pausanias swallowtail
- Pavon Emperor
- Pavonine Cuckoo
- Pavonine Quetzal
- Pawnee dragonfish
- Payara
- Pazina Mellana
- Pea leafminer
- Peach Spotted Pleco
- Peach-fronted Parakeet
- Peacock bass
- Peacock butterfly
- Peacock Coquette
- Peacock wrasse
- Peak Tree Iguana
- Peaked Redspot
- Peale's Dolphin
- Peale's free-tailed bat
- Peanut worm
- Pear-shaped Cone
- Pear-winged Leafwing Butterfly
- Pearl blenny
- Pearl cichlid
- Pearl Kite
- Pearl oyster
- Pearl Ray
- Pearl river stingray
- Pearled Treerunner
- Pearleye
- Pearlfish
- Pearlscale whiptail
- Pearly Antshrike
- Pearly Hairstreak
- Pearly Jingle
- Pearly lanternfish
- Pearly Parakeet
- Pearly pumpkin flea toad
- Pearly razorfish
- Pearly-bellied Seedeater
- Pearly-breasted Conebill
- Pearly-breasted Cuckoo
- Pearly-eyed Thrasher
- Pearly-gray Hairstreak
- Pearly-vented Tody-tyrant
- Pears' Rubbernose Pleco
- Pearson's Chaco Mouse
- Pearson's Leaf-eared Mouse
- Pearson's slender-legged treefrog
- Pearson's Tuco-tuco
- Pebana Skipper
- Pebas Four-eyed Opossum
- Pebas stubfoot toad
- Pebbly Ministreak
- Peccary
- Peck's Robber Frog
- Peckoltia wernekei
- Pectoral Antwren
- Pectoral Sandpiper
- Pectoral Sparrow
- Pederson Cleaner Shrimp
- Pedra da Tartaruga flea toad
- Pedra Talhada hatchet-faced tree frog
- Pedro Eyed-Skipper
- Pedro Skipperling
- Pedusa Hairstreak
- Peeled potato sponge
- Pegasus Myscelus
- Pehuenche Leaf-eared Mouse
- Pehuenche spiny-chest frog
- Peito de Moça bromeliad frog
- Peixoto's snouted tree frog
- Pelada Mountain spiny-chest frog
- Peladilla
- Pelado Mountains false toad
- Pelagic armourhead
- Pelagic basslet
- Pelagic cod
- Pelagic Gooseneck Barnacle
- Pelagic porcupinefish
- Pelagic stingray
- Pelagic thresher
- Pelechuco Andes Frog
- Pelecinid wasp
- Pelican barracuda
- Pelican eel
- Pelican flounder
- Pelican Knifefish
- Pelota Firetip
- Pelzeln's Tody-tyrant
- Pemecou sea catfish
- Pen shell
- Pencil catfish
- Pencilfish
- Penelope's Ringlet
- Penguinfish
- Penidas Telemiades
- Pennant
- Pennant goby
- Pennsylvania lucine
- Pensilvania Caecilian
- Pepper frog
- Peppered corydoras
- Peppered moray
- Pepperfin cusk-eel
- Peppermint bass
- Peppermint goby
- Peppermint pleco
- Peppershrike
- Peppertree Psyllid
- Peracca's Andes Frog
- Peracca's Largescale Lizard
- Peracca's plump toad
- Peracca's Whorltail Iguana
- Peracchi's nectar bat
- Peraiba Gecko
- Percequillo's Forest Mouse
- Perching Saliana
- Perdizes tree frog
- Perenna Leafwing
- Perere tree toad
- Perez’s snouted frog
- Perfida Skipper
- Perforata Sootywing
- Perforating worm
- Periander Metalmark
- Perico Worm Lizard
- Peridot tetra
- Perija Antpitta
- Perijá backpacker frog
- Perija Brushfinch
- Perijá Lichen-Gecko
- Perija Metaltail
- Perija Parakeet
- Perija Small-eared Shrew
- Perija Starfrontlet
- Perijá Striped Rain Frog
- Perija Tapaculo
- Perija Thistletail
- Perija’s nurse frog
- Perijá’s stream frog
- Perilla Leaf Moth
- Periquito Robber Frog
- Periwinkle
- Perla yellow-shouldered bat
- Permit
- Pernambuco Dwarf Porcupine
- Pernambuco Foliage-gleaner
- Pernambuco Teiid
- Pernambuco white-lipped frog
- Pernambuco worm snake
- Perniciosus Skipper
- Perornatus Skipper
- Perpendicular Graphic
- Perrens's Tuco-tuco
- Perrier's sea cucumber
- Persistent anchovy
- Persistent Saliana
- Perty's Firetip
- Peru Andes Frog
- Peru Bachia
- Peru black cory
- Peru blind snake
- Peru Burrowing Snake
- Peru Clawed Gecko
- Peru coast toad
- Peru Cochran frog
- Peru Desert Tegu
- Peru Ground Snake
- Peru Keelback
- Peru Leaf-toed Gecko
- Peru marsupial frog
- Peru Mushroomtongue Salamander
- Peru Pacific Iguana
- Peru poison frog
- Peru Robber Frog
- Peru rocket frog
- Peru Slender Snake
- Peru stubfoot toad
- Peru Water Frog
- Peru white-lipped frog
- Peruana Skipper
- Peruibe tree toad
- Peruíbe white-lipped frog
- Perula Checkerspot
- Peruvian Antpitta
- Peruvian banded croaker
- Peruvian barbel drum
- Peruvian black head roach
- Peruvian black scorpion
- Peruvian Blonde
- Peruvian Booby
- Peruvian Brown Brocket
- Peruvian Bush Anole
- Peruvian butterfly ray
- Peruvian Checkered-Skipper
- Peruvian chromis
- Peruvian conch
- Peruvian Cotton Rat
- Peruvian Diving-Petrel
- Peruvian Dwarf Beauty Tarantula
- Peruvian Dwarf Black-and-white Tarantula
- Peruvian dwarf star tarantula
- Peruvian eagle ray
- Peruvian eelgoby
- Peruvian fern insect
- Peruvian Fish-eating Rat
- Peruvian flounder
- Peruvian Green Velvet
- Peruvian grenadier
- Peruvian grunt
- Peruvian hake
- Peruvian Leaf-eared Mouse
- Peruvian locust
- Peruvian longfin
- Peruvian marine bird argasid
- Peruvian Martin
- Peruvian Meadowlark
- Peruvian mojarra
- Peruvian moonfish
- Peruvian mora
- Peruvian morwong
- Peruvian Mountain Mouse
- Peruvian Oldfield Mouse
- Peruvian Opossum
- Peruvian paper wasp
- Peruvian Pelican
- Peruvian periwinkle
- Peruvian Piedtail
- Peruvian Pigeon
- Peruvian Pinktoe Tarantula
- Peruvian Pipit
- Peruvian Plantcutter
- Peruvian puffer
- Peruvian Pygmy-Owl
- Peruvian Racket-tail
- Peruvian Recurvebill
- Peruvian rock seabass
- Peruvian rusty
- Peruvian scorpionfish
- Peruvian Screech-Owl
- Peruvian sea catfish
- Peruvian Sheartail
- Peruvian shield mantis
- Peruvian Short-tailed Opossum
- Peruvian Sierra Finch
- Peruvian skate
- Peruvian Skipper
- Peruvian Small-eared Shrew
- Peruvian Snail-eater
- Peruvian stingray
- Peruvian tailless bat
- Peruvian Tern
- Peruvian tetra
- Peruvian Thick-knee
- Peruvian Toro
- Peruvian torpedo
- Peruvian Tuco-tuco
- Peruvian Tyrannulet
- Peruvian Vesper Mouse
- Peruvian violet crab
- Peruvian Warbling-antbird
- Peruvian weakfish
- Peruvian Woolly Mouse Opossum
- Peruvian Wren
- Peruvian Yellow Clam
- Peruvian Yungas Pudu
- Pervivax Skipper
- Peter's Climbing Salamander
- Peter's clingfish
- Peter's harlequin toad
- Peters' Ameiva
- Peters' Anadia
- Peters' Andes Frog
- Peters' banded croaker
- Peters' Black-headed Snake
- Peters' Blindsnake
- Peters' Caecilian
- Peters’ dwarf frog
- Peters' four-eyed frog
- Peters' Gecko
- Peters' Leaf-toed Gecko
- Peters' Pholidobolus
- Peters' Robber Frog
- Peters' Running Snake
- Peters' Smooth Horned Frog
- Peters' thin-toed frog
- Peters's disk-winged bat
- Peters's ghost-faced bat
- Petracini's cory
- Petrel
- Petropolis river frog
- Petropolis treefrog
- Petrovna Skipper
- Peugeot tetra
- Pewee
- Pfrimer's Parakeet
- Phalarope
- Phaleros hairstreak
- Phantasma Tree Snake
- Pheasant Cuckoo
- Pheridamas Prepona
- Phidyle Skipper
- Phila Skipper
- Philadelphia Vireo
- Philip Myers's Grass Mouse
- Philip's Rainfrog
- Philipp's Skipperling
- Phillips' Blackhead
- Phineus Skipper
- Phoebe
- Phoenix Petrel
- Phoronis Myscelus
- Phylaca Sister
- Phyllus Skipper
- Phylomystery Skipper
- Piaba
- Piabuco Tetra
- Piauçu
- Piauí Blackhead
- Piaui Oval Frog
- Picacho barnacle
- Picazuro Pigeon
- Pichi
- Pichincha Oldfield Mouse
- Pichincha Rainfrog
- Pichincha Robber Frog
- Pichincha rocket frog
- Pichinde Robber Frog
- Picken's Tritonid
- Pickleworm Moth
- Pico Caratuva flea toad
- Pico Marumbi flea toad
- Pico Tamacuari emerald-barred frog
- Picos treefrog
- Picture-winged Leaf Moth
- Pictus catfish
- Picui Ground Dove
- Piculet
- Piddock
- Pied Bare-faced Tamarin
- Pied Lapwing
- Pied Puffbird
- Pied Water-tyrant
- Pied-billed Grebe
- Pied-crested Tit-tyrant
- Piedtail
- Pigeon Erato
- Pigmalion Skipper
- Pigmy flounder
- Pigweed flea beetle
- Piha
- Pijaos' glassfrog
- Pike characin
- Pike cichlid
- Pike icefish
- Pikeblenny
- Pikeconger
- Pilalo tree frog
- Pilar Tuco-tuco
- Pile Worm
- Pileated Parrot
- Pillar Coral
- Pilot whale
- Pilotfish
- Pimocha white-lipped frog
- Pimpla Satyr
- Pin Cushion Sea Urchin
- Pin-tailed Manakin
- Pin-tailed pondhawk
- Pinche Skipperling
- Pinchinda Snake
- Pincoya Storm-Petrel
- Pinda Skipper
- Pine's Crab-eating Rat
- Pine's Opossum
- Pineapple mealybug
- Pinecone fish
- Pinheiro's Slender Opossum
- Pinima peacock bass
- Pink cardinalfish
- Pink Clearwing
- Pink corydoras
- Pink cusk-eel
- Pink Fairy Armadillo
- Pink frogmouth
- Pink Hawkmoth
- Pink maomao
- Pink Meanie
- Pink Mouth Anemone
- Pink punk jewel
- Pink Purple Octopus Sponge
- Pink Snout Moth
- Pink Spotted Jacket Tonicia
- Pink toe tarantula
- Pink Trivia
- Pink Vase Sponge
- Pink wormfish
- Pink Zebra Beauty Tarantula
- Pink-banded sister
- Pink-footed Shearwater
- Pink-legged Graveteiro
- Pink-lined Rainfrog
- Pink-spotted Hawkmoth
- Pink-tailed Forest Racer
- Pink-throated Becard
- Pink-throated Brilliant
- Pink-washed Looper Moth
- Pinkish topsnail
- Pinktail chalceus
- Pinktail triggerfish
- Pinkthroat corydoras
- Pinnated Bittern
- Pinocchio Cobweb Spider
- Pinocchio Rainfrog
- Pinocchio Whiptail Catfish
- Pinpoint Cone
- Pintado Petrel
- Pintail
- Pinto's Spinetail
- Pinzón Leaf-toed Gecko
- Pionia Skipper
- Pionus
- Pipe snake
- Pipefish
- Pipehorse
- Piping guan
- Piping Long-tailed Woodcreeper
- Pipit
- Piprites
- Piquitinga anchovy
- Piraíba
- Piraja's Lancehead
- Pirambeba
- Pirapitinga
- Pirapitinga do Sul
- Pirate spider
- Piratic Flycatcher
- Pirre Hummingbird
- Pirre Warbler
- Pirri range stubfoot toad
- Pisis Groundstreak
- Pistipata Cochran frog
- Pistipata Robber Frog
- Pistol shrimp
- Pita Doto
- Pitcher silverside
- Pitchy scarab
- Pitted Sponge
- Pittier's Crab-eating Rat
- Pittier’s little frog
- Pityusa Skipper
- Piura Chat-tyrant
- Piura Hemispingus
- Piura Oldfield Mouse
- Piura Robber Frog
- Piura Water Frog
- Pizzaro stardrum
- Placeta Firetip
- Plain Antvireo
- Plain Brush-tailed Rat
- Plain Jane
- Plain Longtail
- Plain metynnis
- Plain Parakeet
- Plain Purplewing
- Plain Satyr
- Plain skipper
- Plain soapfish
- Plain Softtail
- Plain Theope
- Plain Thornbird
- Plain Tree Snake
- Plain Tyrannulet
- Plain worm eel
- Plain-backed Antpitta
- Plain-bellied Emerald
- Plain-breasted Ground Dove
- Plain-breasted Hawk
- Plain-breasted Piculet
- Plain-brown Woodcreeper
- Plain-capped Ground-tyrant
- Plain-colored Seedeater
- Plain-colored Tanager
- Plain-crested Elaenia
- Plain-crowned Spinetail
- Plain-flanked Rail
- Plain-mantled Tit-spinetail
- Plain-tailed Warbling Finch
- Plain-tailed Wren
- Plain-throated Antwren
- Plain-winged Antshrike
- Plain-winged Antwren
- Plain-winged Woodcreeper
- Plainfin sole
- Planalto Hermit
- Planalto Slaty-antshrike
- Planalto Tapaculo
- Planalto Tyrannulet
- Planalto Woodcreeper
- Plancus Skipperling
- Planehead filefish
- Plant bug
- Plantation glass frog
- Plantcutter
- Plasma Skipper
- Plastic carbasea
- Plata pompano
- Plata river mussel
- Plate fish
- Plate-billed Mountain-Toucan
- Plateau Smooth Horned Frog
- Platinum acara
- Platyptera Hairstreak
- Player scorpionfish
- Pleasant Akodont
- Pleasant Bristly Mouse
- Pleasant cichlid
- Pleasing fungus beetle
- Pleasing poison frog
- Pleasing top shell
- Plebiscite Tuco-tuco
- Pleco
- Plee's Tropical Racer
- Ploetz's Ruby-eye
- Plötz's Telemiades
- Plover
- Plovercrest
- Plownose chimaera
- Plum-colored Worm Lizard
- Plum-throated Cotinga
- Pluma porgy
- Plumbeous Antbird
- Plumbeous Antvireo
- Plumbeous Black-tyrant
- Plumbeous Euphonia
- Plumbeous Forest-Falcon
- Plumbeous Hawk
- Plumbeous Ibis
- Plumbeous Kite
- Plumbeous Pigeon
- Plumbeous Rail
- Plumbeous Seedeater
- Plumbeous Sierra Finch
- Plumbeous-backed Thrush
- Plumbeous-crowned Tyrannulet
- Plume moth
- Plumed scorpionfish
- Plumed Worm
- Plumeleteer
- Plumetops
- Plumose Anemone
- Plush-crested Jay
- Plushcap
- Pluto Sphinx
- Pocao snouted treefrog
- Pochard
- Pocket gopher
- Pocket mouse
- Pocket shark
- Poços de Caldas tree frog
- Podocarpus harlequin
- Poecile Checkerspot
- Poey's anchovy
- Pohl's Skipper
- Point catfish
- Point-nosed croaker
- Point-tailed Palmcreeper
- Point-Tuza croaker
- Pointed Ground Snake
- Pointed Leafwing Butterfly
- Pointed Sister
- Pointed Venus
- Pointedbelly frog
- Pointy-headed dwarf cichlid
- Pointy-nosed robber frog
- Polama Hairstreak
- Polemon Firetip
- Polka dot cactus pleco
- Polka-dot batfish
- Polka-dot cusk-eel
- Polka-dot ribbonfish
- Polka-dot treefrog
- Polkadot catshark
- Polkadotted Hermit
- Polla drum
- Polop's Grass Mouse
- Poltys satyr
- Polycrates Skipperling
- Polyctor Tufted-Skipper
- Polydamas Swallowtail
- Polygon moray
- Polymnia Tigerwing
- Polyzona Skipper
- Pomarine Jaeger
- Pombal's snouted tree frog
- Pombal's tree frog
- Pomfret
- Pompadour Cotinga
- Pompano
- Pompano dolphinfish
- Pompeius Skipper
- Pond Amberwing
- Pond perch
- Pond snail
- Ponderous Dosinia
- Pondhawk
- Pongo characin
- Pongo poison frog
- Poorwill
- Popayan marsupial frog
- Popayan Oldfield Mouse
- Popeye catalufa
- Popeye lampfish
- Popla Skipper
- Porbeagle
- Porcelain crab
- Porcelain Woodlouse
- Porcupine river stingray
- Porcupinefish
- Porehead blenny
- Porgy
- Porkchop Coral
- Porkfish
- Porous sea rod
- Porphyria Satyr
- Porter's Rock Rat
- Porthole catfish
- Porthole shovelnose catfish
- Portholefish
- Porthura Hairstreak
- Porto Alegre golden-eyed treefrog
- Porto Sauípe snouted tree frog
- Porto Seguro snouted tree frog
- Portuguese dogfish
- Porus Skipper
- Porvenir Robber Frog
- Posada glass frog
- Postbox Pleco
- Postman
- Pota Skipperling
- Potaro cory
- Potato flea beetle
- Potato leaf beetle
- Potato Sponge
- Potato Tuber Moth
- Potesta Skipper
- Potitinga prawn
- Potrero Spiny-chest Frog
- Potter foam frog
- Potter wasp
- Potworm
- Potyguara coral snake
- Pouch snake eel
- Pouched lamprey
- Povoação tropical bullfrog
- Power's deep-water bristle-mouth fish
- Powerful Woodpecker
- Prado toothcarp
- Prado's Blackhead
- Prado's Coastal House Snake
- Praemortuus's rainfrog
- Prairie tree cricket
- Pram bug
- Pratt's rocket frog
- Pratt's Snail-eater
- Praxis Hairstreak
- Precious metal beetle
- Predicted Antwren
- Pregonero Robber Frog
- Prehistoric Monster Fish
- Preocular Blind Snake
- Prepona
- Pretty corydoras
- Pretty goby
- Pretty jewel box
- Pretty Orbweaver
- Pretty Rainfrog
- Pretty sea cradle
- Prickly anglerfish
- Prickly brown ray
- Prickly fanfish
- Prickly flounder
- Prickly footballfish
- Prickly lanternfish
- Prickly pear bug
- Prickly pear scale
- Prickly shark
- Priest Saturnino Rainfrog
- Prince Bernhard's Titi
- Prince Charles torrenteer
- Prince Cone
- Princess parrotfish
- Principal Oldfield Mouse
- Prion
- Pro-Mata Oval Frog
- Problem Ground Snake
- Problematic lanternfish
- Proboscis bat
- Procax Skipper
- Prochilodus
- Procilla Beauty
- Proculus Firetip
- Prominent moth
- Pronghorn Spiny Lobster
- Pronus Longtail
- Propertius Skipper
- Proteus Pike Cichlid
- Prothonotary Warbler
- Prowspine cusk eel
- Proxenus Blue-Skipper
- Przewalsky’s Gecko
- Pseudo-stalked Barnacle
- Pseudoacuminate Rainfrog
- Pseudoscorpion
- Psyllid
- Puddingwife wrasse
- Pudgy cuskeel
- Pudu
- Pudu redspot
- Puelchean Oyster
- Puerto Almendras snouted tree frog
- Puerto Cabello Robber Frog
- Puerto Eden frog
- Puerto Narino rocket frog
- Puerto Rican Sand Crab
- Puff-ball snail
- Puffbird
- Puffcheek blenny
- Puffing snake
- Puffleg
- Pug Moth
- Pugjaw wormfish
- Pugnose goby
- Pugnose grenadier
- Pugnose pipefish
- Pui Pui Robber Frog
- Pulmonate limpet
- Pumpkin Patch Tarantula
- Pumpkin toadlet
- Puna Canastero
- Puna Clouded Sulphur
- Puna Ground-tyrant
- Puna Ibis
- Puna Miner
- Puna Pipit
- Puna Plover
- Puna reddish lizard
- Puna Snipe
- Puna Tapaculo
- Puna Teal
- Puna Thistletail
- Puna Tinamou
- Puna Yellow Finch
- Punched Stone Crab
- Punctate Burrowing Snake
- Punctate Donax
- Punctuated snake-eel
- Punctum Hairstreak
- Puno Antpitta
- Puno Grass Mouse
- Punta de Vacas Leaf-eared Mouse
- Puntilla Tuco-tuco
- Punzan's Robber Frog
- Pupfish
- Puquios Water Frog
- Pura Skipperling
- Purace Skipperling
- Pure Coffee's Robber Frog
- Purple and orange leaf frog
- Purple Anole
- Purple bristle crab
- Purple brotula
- Purple Cone
- Purple crab
- Purple dancer
- Purple Encrusting Bryozoan
- Purple footed porcellan crab
- Purple Gallinule
- Purple harlequin toad
- Purple Honeycreeper
- Purple Martin
- Purple Mussel
- Purple Owl-Butterfly
- Purple Pencilfish
- Purple Quail-Dove
- Purple reeffish
- Purple Rock Crab
- Purple Scallop
- Purple Sea Fan
- Purple Sea Mane
- Purple Sea Plume
- Purple Semele
- Purple Stone Crab
- Purple Tree Spider
- Purple Venus Clam
- Purple worm
- Purple-backed Sunbeam
- Purple-backed Thornbill
- Purple-bibbed Whitetip
- Purple-breasted Cotinga
- Purple-chested Hummingbird
- Purple-collared Woodstar
- Purple-crowned Fairy
- Purple-crowned Plovercrest
- Purple-crowned Sea Goddess
- Purple-sided leaf frog
- Purple-spotted Sea Goddess
- Purple-stained Skipper
- Purple-tailed hairy-eyed sweat bee
- Purple-throated Cotinga
- Purple-throated Euphonia
- Purple-throated Fruitcrow
- Purple-throated Sunangel
- Purple-throated Woodstar
- Purple-topped Euselasia
- Purple-washed Euselasia
- Purple-washed Eyed-Metalmark
- Purple-washed Skipper
- Purple-webbed Ministreak
- Purple-winged Ground Dove
- Purplebelly skate
- Purplemouth grunt
- Purplemouth moray
- Purplemouthed conger
- Purpletuft
- Purplewing
- Purplish Jacamar
- Purplish Jay
- Purplish Tufted-Skipper
- Purplish-black Skipper
- Purplish-mantled Tanager
- Purslane Moth
- Puruanta plump toad
- Purus Jacamar
- Pusca Firetip
- Pusilla Purplewing
- Pusilla Skipper
- Pustular Triton Snail
- Pustulose Ark
- Putumayo Coral Snake
- Putumayo Robber Frog
- Putumayo Ruby-eye
- Putumayo Spindle Snake
- Puyango bully foam frog
- Puyo Robber Frog
- Puzzled Cone
- Pyburn's Pancake Frog
- Pyburn's Robber Frog
- Pyburn's Tropical Forest Snake
- Pygmy Antwren
- Pygmy argentine
- Pygmy Beaked Whale
- Pygmy Coral Snake
- Pygmy corydoras
- Pygmy Driftwood Catfish
- Pygmy Fiddler Crab
- Pygmy filefish
- Pygmy fruit-eating bat
- Pygmy goby
- Pygmy grasshopper
- Pygmy hatchetfish
- Pygmy Killer Whale
- Pygmy lanternfish
- Pygmy moray
- Pygmy Nightjar
- Pygmy Opossum
- Pygmy owl
- Pygmy Palm Swift
- Pygmy pikeconger
- Pygmy puffer
- Pygmy Rain Frog
- Pygmy Red Brocket
- Pygmy Right Whale
- Pygmy round-eared bat
- Pygmy sanddragon
- Pygmy sea bass
- Pygmy Seahare
- Pygmy shark
- Pygmy Short-tailed Opossum
- Pygmy sleeper
- Pygmy Slender Coral Snake
- Pygmy Sperm Whale
- Pygmy squirrel
- Pygmy tonguefish
- Pygmy-tyrant
- Pyramid ant
- Pyramid Sea Star
- Pyrcz's Brangas
- Pyrcz's Hairstreak
- Pyrcz's Tailed Cycadian
- Qian's Flasher
- Quadrate Ruby-eye
- Quadricolor Skipper
- Quadristriga Skipperling
- Quaestor Hocicudo
- Quail dove
- Quakerfish
- Quasca Skipperling
- Quebracho Crested-Tinamou
- Quebrangulo tree frog
- Quechuan broad-nosed bat
- Quechuan Hocicudo
- Queen angelfish
- Queen arabesque pleco
- Queen butterfly
- Queen parrotfish
- Queen snapper
- Queen triggerfish
- Queimado tree frog
- Querimana silverside
- Quevedo snouted treefrog
- Quichua Porcupine
- Quijos rocket frog
- Quilla Skipperling
- Quillfin blenny
- Quimbaya anole
- Quimbaya toad
- Quincunx Earthworm
- Quindio Robber Frog
- Quintana's Rain Frog
- Quira Skipper
- Quisto Cocha Caecilian
- Quito rocket frog
- Rabbit cory
- Rabbit fever tick
- Rabbit-ear Barnacle
- Rabbitnose shrimp
- Rabino's Tree Iguana
- Racer
- Racer Mangrove Crab
- Racerunner
- Racket tail
- Racket-tipped rubyspot
- Racket-tipped Thorntail
- Racta Skipper
- Raddi's Lizard-eating Snake
- Radial Purse Oyster
- Radiant skipper
- Ragged bigscale
- Ragged goby
- Ragged Seahare
- Ragweed Plume Moth
- Ragworm
- Rahim's eyelash pit viper
- Rahm's sun tegu
- Rail
- Railroad worm
- Raimondi's Yellow Finch
- Rain frog
- Rain frog of Paquisha
- Rain-forest Faceted-Skipper
- Rain-forest Hoary-Skipper
- Rainbow basslet
- Rainbow boa
- Rainbow copella
- Rainbow dwarf cichlid
- Rainbow parrotfish
- Rainbow runner
- Rainbow scorpionfish
- Rainbow Starfrontlet
- Rainbow tetra
- Rainbow Whiptail
- Rainbow wrasse
- Rainbow-bearded Thornbill
- Rainer's Small-eared Shrew
- Rainforest Hog-nosed Pitviper
- Rainpool spreadwing
- Rake stardrum
- Rakery beaconlamp
- Ram cichlid
- Ram's Horn Squid
- Ramari's Beaked Whale
- Rambur's forktail
- Rambuteau's Brangas
- Ramirez's Cochran frog
- Ramirez's rocket frog
- Ramon Blue
- Ramos' Mushroom-tongue Salamander
- Ramos' rocket frog
- Ramshorn snail
- Rana Skipperling
- Rancho Grande harlequin frog
- Rancho Grande leaf frog
- Rand's dwarf frog
- Rangel Robber Frog
- Rank's snouted treefrog
- Rapacious panther ant
- Raphael catfish
- Rapi Andes Frog
- Rapids frog
- Rara Skipper
- Rare Tufted-Skipper
- Rascal Dart
- Raspberry brittle star
- Raspthorn sand skate
- Raspy river stingray
- Rat-tailed Fusiform Sea Cucumber
- Raucous grunt
- Ravine Hocicudo
- Ravine Robber Frog
- Rawlins' Skipperling
- Ray spider
- Ray's treerunner
- Rayadito
- Rayed keyhole limpet
- Rayed Purplewing
- Rayed Sister
- Razor clam
- Razor shrimp
- Razor surgeonfish
- Razor-billed Curassow
- Razorback scabbardfish
- Real bastard trumpeter
- Rearfin wormfish
- Rebains' portholefish
- Rebecca's marsupial frog
- Recife broad-nosed bat
- Recluse spider
- Recurve-billed Bushbird
- Recurvebill
- Recurved cone
- Red Acouchi
- Red and Blue Peru tetra
- Red and yellow stubfoot toad
- Red Andean Oldfield Mouse
- Red Arboreal Rice Rat
- Red arrow crab
- Red Bald Uacari
- Red barbier
- Red Barracuda Tetra
- Red bat
- Red Beaded Anemone
- Red Boring Sponge
- Red bull assassin bug
- Red clingfish
- Red cornetfish
- Red cotinga
- Red crab
- Red Cracker
- Red Crested Tree-rat
- Red crust
- Red Cushion Sea Star
- Red cusk-eel
- Red devil tree frog
- Red discus
- Red edge dwarf cichlid
- Red fin Lasiancistrus
- Red Flasher
- Red giant shrimp
- Red goatfish
- Red Groundling Moth
- Red grouper
- Red Heart Urchin
- Red hind
- Red Hocicudo
- Red hogfish
- Red House Spider
- Red hydrocoral
- Red jewelfish
- Red Knot
- Red lizard whiptail catfish
- Red Mapwing
- Red Metalmark
- Red Mouse Opossum
- Red myotis
- Red Myscelus
- Red Neusticurus
- Red Night Shrimp
- Red ophiocoma
- Red Peacock
- Red Phalarope
- Red phantom tetra
- Red pike conger
- Red Pileated Finch
- Red Pipe Snake
- Red pondhawk
- Red porgy
- Red Postman
- Red Reef Hermit
- Red Ridged Clinging Crab
- Red saddlebags
- Red scorpionfish
- Red Sea Anemone
- Red sea catfish
- Red searobin
- Red shoulder wrasse
- Red Shoveler
- Red Silky Anteater
- Red Siskin
- Red Skeleton Tarantula
- Red Snapping Shrimp
- Red snouted treefrog
- Red South American pelecinid wasp
- Red speckled barnacle
- Red spiny cushion star
- Red Sponge Dorid
- Red spot bristlenose
- Red spotted Argentina frog
- Red Spotted Worm Sea Cucumber
- Red Sun Star
- Red Tanager
- Red tegu
- Red Uakari poison frog
- Red Viscacha Rat
- Red Wormlizard
- Red-and-black bug
- Red-and-black flatwing
- Red-and-black Grosbeak
- Red-and-green Macaw
- Red-and-white Antpitta
- Red-and-white Crake
- Red-and-white Spinetail
- Red-backed carpenter
- Red-backed poison frog
- Red-backed Sierra Finch
- Red-banded Altinote
- Red-banded Firetip
- Red-banded Fruiteater
- Red-banded stink bug
- Red-barred Amarynthis
- Red-barred wrasse
- Red-base Tetra
- Red-based Banner
- Red-based Groundstreak
- Red-bellied Grackle
- Red-bellied Macaw
- Red-bellied Tamarin
- Red-bellied Titi
- Red-bellied toad
- Red-belly toad
- Red-billed Curassow
- Red-billed Emerald
- Red-billed Ground-Cuckoo
- Red-billed Parrot
- Red-billed Pied Tanager
- Red-billed Scythebill
- Red-billed Tropicbird
- Red-billed Tyrannulet
- Red-billed Woodcreeper
- Red-black Ground Snake
- Red-black Whorltail Iguana
- Red-blotched river stingray
- Red-bordered Pixie
- Red-breasted Meadowlark
- Red-breasted Toucan
- Red-browed Amazon
- Red-Brown Ark
- Red-cap Mustached Tamarin
- Red-capped Cardinal
- Red-capped Manakin
- Red-collared Firetip
- Red-collared Skipper
- Red-costa Metalmark
- Red-cowled Cardinal
- Red-crescent Scrub-Hairstreak
- Red-crested Cardinal
- Red-crested Cotinga
- Red-cross teneboid
- Red-crowned Ant Tanager
- Red-crowned Titi
- Red-crowned Woodpecker
- Red-eared Parakeet
- Red-eyed Rainfrog
- Red-eyed snouted treefrog
- Red-eyed stream frog
- Red-eyed Vireo
- Red-eyed woodlizard
- Red-faced Black Spider Monkey
- Red-faced dragonlet
- Red-faced Guan
- Red-faced Parrot
- Red-faced Spinetail
- Red-fan Parrot
- Red-finned Pike Cichlid
- Red-footed Amazon Side-necked Turtle
- Red-footed Booby
- Red-footed tortoise
- Red-fronted Coot
- Red-fronted Macaw
- Red-gartered Coot
- Red-headed Amazon River turtle
- Red-headed Barbet
- Red-headed Firetip
- Red-headed Manakin
- Red-headed Polybia wasp
- Red-headed Water Frog
- Red-hooded Tanager
- Red-legged Banana Spider
- Red-legged Cormorant
- Red-legged disonycha
- Red-legged Honeycreeper
- Red-legged mini oil-digger bee
- Red-legged Seriema
- Red-legged Tinamou
- Red-line lizard tetra
- Red-lined blind snake
- Red-lobed Firetip
- Red-lored Amazon
- Red-mantled dragonlet
- Red-mantled Saddle-back Tamarin
- Red-margined Metalmark
- Red-masked Parakeet
- Red-mouthed Dog Winkle
- Red-naped Snake
- Red-necked Aracari
- Red-necked Peanutworm Moth
- Red-necked Phalarope
- Red-necked Tanager
- Red-necked Woodpecker
- Red-nosed Armored Tree-rat
- Red-nosed Bearded Saki
- Red-nosed Tree Mouse
- Red-orange fleece star
- Red-Orange Ghost Shrimp
- Red-patched Leafwing
- Red-purple sea cradle
- Red-rayed Euselasia
- Red-rimmed Euselasia
- Red-rimmed leaf frog
- Red-ruffed Fruitcrow
- Red-rumped Bush-tyrant
- Red-rumped Cacique
- Red-rumped Woodpecker
- Red-rust bryozoan
- Red-shouldered Macaw
- Red-shouldered Spinetail
- Red-shouldered Tanager
- Red-skirted treefrog
- Red-spectacled Amazon
- Red-spotted Firetip
- Red-spotted glassfrog
- Red-spotted Horseshoe
- Red-spotted Metalmark
- Red-Spotted Siphonophore
- Red-spotted stink bug
- Red-Spotted Sweetpotato Moth
- Red-spotted toad
- Red-stained Woodpecker
- Red-stripe Hermit Crab
- Red-striped Acorn Barnacle
- Red-striped Leafwing
- Red-striped Metalmark
- Red-striped rubyspot
- Red-studded Skipper
- Red-tailed Amazon
- Red-tailed blackwing
- Red-tailed Comet
- Red-tailed Coral Snake
- Red-tailed pennant
- Red-tailed skimmer
- Red-tailed Skipper
- Red-tailed Squirrel
- Red-tailed Tropicbird
- Red-tailed vanzosaur
- Red-thighed thin-toed frog
- Red-throated Ant Tanager
- Red-throated Caracara
- Red-throated Piping-Guan
- Red-throated woodlizard
- Red-tipped Sea Goddess
- Red-tipped swampdamsel
- Red-washed Satyr
- Red-winged Tinamou
- Red-winged Wood-Rail
- Redbacked Cleaner Shrimp
- Redband parrotfish
- Redbanded thrips
- Redbellied dwarf cichlid
- Redbelly toad
- Redbelly triplefin
- Redbreast acara
- Reddish Clearwing-Satyr
- Reddish dragonlet
- Reddish Egret
- Reddish Hermit
- Reddish Mapwing
- Reddish scorpionfish
- Reddish-backed Oldfield Mouse
- Reddish-brown tonicia
- Reddish-nosed Oldfield Mouse
- Reddish-winged Bare-eye
- Reddotted dwarf cichlid
- Redear herring
- Redeye mullet
- Redeye piranha
- Redeye Sponge Crab
- Redeye tetra
- Redface moray
- Redfin brotula
- Redfin needlefish
- Redfin parrotfish
- Redfinger Rubble Crab
- Redflank bloodfin
- Redhook myleus
- Redhump eartheater
- Redlight goby
- Redline Doctor
- Redlip blenny
- Redmouth whalefish
- Redseam dwarf cichlid
- Redspot Comb Jelly
- Redspot Dwarf Cichlid
- Redspotted catshark
- Redspotted dwarf cichlid
- Redspotted hawkfish
- Redspotted tetra
- Redstart
- Redstriped eartheater
- Redtail catfish
- Redtail parrotfish
- Redtail triggerfish
- Redtailed dwarf cichlid
- Reduced-saddle Skipper
- Redundant Skipper
- Reedhaunter
- Reef bass
- Reef butterflyfish
- Reef croaker
- Reef Mantis Shrimp
- Reef parrotfish
- Reef scorpionfish
- Reef silverside
- Reef Sponge
- Reef squirrelfish
- Reef Tunicate
- Reef Urchin
- Reef-cave brotula
- Reefsand blenny
- Regal Coral Snake
- Regal Hairstreak
- Regal Murex
- Regal Sarota
- Regan's anchovy
- Regan's dwarf cichlid
- Reichle's Robber Frog
- Reig's Grass Mouse
- Reig's Montane Mouse
- Reig's Opossum
- Reinhardt's Caecilian
- Reinhardt's lanternfish
- Reinhardt's Lava Lizard
- Reiser's Tyrannulet
- Rejected Vesper Mouse
- Remo flounder
- Remora
- Renal Smooth-horned Frog
- Renaldus Jewelmark
- Renata’s Satyr
- Rendezvous fish
- Requiem shark
- Reserve Robber Frog
- Reservoir treefrog
- Resistance Rainfrog
- Resistencia toothcarp
- Resplendent Cochran frog
- Resplendent frog
- Resplendent Ground Snake
- Restinga Antwren
- Restinga toadlet
- Restinga Tyrannulet
- Reticulate Centipede Snake
- Reticulate hookjaw moray
- Reticulate leaf frog
- Reticulate moray
- Reticulate Robber Frog
- Reticulate spikefish
- Reticulate stargazer
- Reticulate treefrog
- Reticulate worm snake
- Reticulated Brittle Star
- Reticulated corydoras
- Reticulated Cowry Helmet
- Reticulated Driftwood Catfish
- Reticulated glass frog
- Reticulated goosefish
- Reticulated Ground Snake
- Reticulated Hermit
- Reticulated Humming Frog
- Reticulated Spiny Star
- Reticulated tilefish
- Reticulated-eyed Robber Frog
- Retzer's tube-snouted ghost knifefish
- Reverse gland lanternfish
- Reversed Ark
- Rhacia Skipper
- Rhapsodia Hairstreak
- Rhaptissima Hairstreak
- Rhetenor blue morpho
- Rhombic lanternfish
- Rhombifer Anadia
- Rhythmic tree frog
- Ribbed Barnacle
- Ribbed black trochid
- Ribbed brachiopod
- Ribbed Cantharus
- Ribbon Cone
- Ribbon halfbeak
- Ribbon Jumping Spider
- Ribbon Longhorn Beetle
- Ribbon sawtail fish
- Ribbon worm
- Ribboned Brittle Snake
- Ribboned Cone
- Ribeirão Branco snouted tree frog
- Ribeirao button frog
- Ricardo Ojeda's Degu
- Ricardo Palma's Rice Rat
- Rice bug
- Rice rat
- Rice Stem Stink Bug
- Rice Stink Bug
- Richard's Skipper
- Richardson's snapping shrimp
- Rickett's Lined Sea Hare
- Rickman's Hairstreak
- Ricuarte Robber Frog
- Riddle Navanax
- Riddle poison frog
- Ridge blenny
- Ridge Cochran frog
- Ridge scaled rattail
- Ridge-crowned Carpenter
- Ridged Cactus Coral
- Ridged eel
- Ridged Fire Coral
- Ridged Kelp Crab
- Ridgehead
- Ridley's fire sponge
- Ridley's Worm Lizard
- Right whale
- Rigid Sea Plume
- Rigid Venus
- Rigid-spined Atlantic Spiny-rat
- Rimac Water Frog
- Rimose Fungus-farming Ant
- Rimosus Sphinx
- Rimspine searobin
- Ring Clam
- Ring-necked Clawed Gecko
- Ring-necked Duck
- Ringed Antpipit
- Ringed barracudina
- Ringed blenny
- Ringed Caecilian
- Ringed cantharus
- Ringed Centipede Snake
- Ringed Forceptail
- Ringed Hognose Snake
- Ringed Kingfisher
- Ringed manticore
- Ringed Slender Coral Snake
- Ringed Snail Sucker
- Ringed Teal
- Ringed Warbling Finch
- Ringed Woodpecker
- Ringed Wormsnail
- Ringeye conger
- Ringlet
- Ringneck blenny
- Ringspot Leafhopper
- Ringtail pike cichlid
- Rio Abacaxis spiny-backed frog
- Rio Acarí Marmoset
- Rio Ampiyacu Robber Frog
- Rio anchovy
- Rio Apurimac tree frog
- Rio Arassuahy swimming frog
- Rio Aripuanã Marmoset
- Rio Azuela glass frog
- Rio Azuela Robber Frog
- Rio Babi snouted treefrog
- Rio Bahu white-lipped frog
- Río Beni Titi
- Rio big-tooth frog
- Rio Brain Coral
- Rio Branco Antbird
- Rio Calima Cochran frog
- Rio Calima Robber Frog
- Rio Calles Robber Frog
- Rio Carauta stubfoot toad
- Rio Cauca Caecilian
- Rio Cauca fringe-limbed tree frog
- Río Cerranayacu Rain Frog
- Río Chili toad
- Rio Chingual Robber Frog
- Rio Chingual valley treefrog
- Rio Chipillico Frog
- Rio Coca Robber Frog
- Rio Cone
- Rio Cosnipata Robber Frog
- Rio de Janeiro Antbird
- Rio de Janeiro Antwren
- Rio de Janeiro Arboreal Rat
- Rio de Janeiro Spiny-rat
- Rio de Janeiro Teiid
- Rio de Lençóis tree frog
- Rio Doce snouted treefrog
- Rio Doce white-lipped frog
- Rio Elongated Frog
- Rio Faisanes Robber Frog
- Rio Faisanes stubfoot toad
- Río Gálvez Arboreal Rice Rat
- Rio glass frog
- Rio golden-eyed treefrog
- Rio Grande do Sul blind snake
- Rio Grande dwarf frog
- Rio Grande Escuerzo
- Rio Grande toad
- Rio Grande tree toad
- Rio Grande Worm Lizard
- Río Huallaga stubfoot toad
- Rio Huancabamba Leaf-toed Gecko
- Rio Juruá Collared Titi
- Rio lime treefrog
- Rio Lita Caecilian
- Rio Luisito Robber Frog
- Rio Luisito treefrog
- Rio Madeira poison frog
- Rio Madeira Stipplethroat
- Rio Magdalena Minitegu
- Río Magdalena Slender Opossum
- Rio Mamore Robber Frog
- Rio Mombucaba robber frog
- Rio Mutum Frog
- Rio Mutum snouted treefrog
- Rio Napo cory
- Rio Negro Bearded Saki
- Rio Negro Brush-tailed Rat
- Rio Negro Chocolate Cichlid
- Rio negro cory
- Río Negro frog
- Rio Negro Gnatcatcher
- Rio Negro pygmy anchovy
- Río Negro rocket frog
- Rio Negro Silky Anteater
- Río Negro snouted treefrog
- Río Negro stream treefrog
- Rio Negro Tuco-tuco
- Rio Orinoco Spinetail
- Rio Parahyba toad
- Rio pearlfish
- Rio Perene toad
- Rio Pescado stubfoot toad
- Rio Pitzara Robber Frog
- Rio Piuntza Robber Frog
- Rio Reventador Robber Frog
- Rio robber frog
- Rio rocket frog
- Rio Santa Rosa Salamander
- Rio Santiago Caecilian
- Rio Santiago poison frog
- Rio skate
- Rio spinythumb frog
- Rio Suno Antwren
- Rio Tapajós tree frog
- Rio tree frog
- Rio tree toad
- Rio Tuquesa treefrog
- Rio Uaupes Robber Frog
- Rio Uaupes treefrog
- Rio Verde button frog
- Rio Verde snouted treefrog
- Rio Zamora spiny-backed frog
- Riobamba marsupial frog
- Rioja giant glass frog
- Rioja rocket frog
- Riparian Antbird
- Riparian myotis
- Riparian Parrotlet
- Ripsaw catfish
- Risaralda rocket frog
- Risso's Dolphin
- Rita's glassfrog
- Rita’s Remella
- River Dancer
- River goby
- River hatchetfish
- River Plate sprat
- River Robber Frog
- River Rubyspot
- River shrimp
- River Sponge
- River Teiid
- River turtle
- River Tyrannulet
- Rivera redbelly toad
- Riverbank Warbler
- Rivero carrying frog
- Rivero's Amazon treefrog
- Rivero's Ground Snake
- Rivero's poison frog
- Rivero's Robber Frog
- Rivero's rocket frog
- Rivero's toad
- Rivero's white-lipped frog
- Riverside Tyrant
- Rivulated mutton hamlet
- Riza Skipperling
- Road cory
- Roadside Hawk
- Roaming caterpillar hunter
- Robalo drum
- Robayo's rainfrog
- Robba Skipper
- Robber bee
- Robber fly
- Rober's Skipper
- Robert's Arboreal Rice Rat
- Robert's cowrie
- Robert's Spiny-rat
- Robert's Tree Iguana
- Roberto’s lizard
- Robinson's Mouse Opossum
- Robust assfish
- Robust cardinalfish
- Robust cory
- Robust cusk-eel
- Robust Dark Rice Rat
- Robust tree hydroid
- Robust Tuco-tuco
- Robust Woodpecker
- Rocas gregory
- Rocena Hairstreak
- Rock beauty
- Rock blenny
- Rock Cavy
- Rock clingfish
- Rock Earthcreeper
- Rock Fiddler Crab
- Rock hind
- Rock rat
- Rock shrimp
- Rock Snapping Shrimp
- Rock Tapaculo
- Rock Whorltail Iguana
- Rock-bacu
- Rock-Dwelling Robber Frog
- Rockcut goby
- Rocket frog
- Rocket Rainfrog
- Rockmover wrasse
- Rockpool blenny
- Rockstone poison frog
- Rococo toad
- Rodrigues' Four-fingered Teiid
- Rodrigues' Lava Lizard
- Rodrigues' Microteeid
- Rodrigues' Red Teiid
- Rodriguez's Amazon treefrog
- Rogenhofer's Sallow
- Rohde's leaf frog
- Roig's Tuco-tuco
- Roly Poly Orb Weaver
- Román's Rainfrog
- Romero's Rain Frog
- Ron's Robber Frog
- Roncador catfish
- Roncador tree frog
- Rondon's Marmoset
- Rondon's Tuco-tuco
- Rondônia Blackhead
- Rondonia Bushbird
- Rondonia Warbling-antbird
- Rondonian Skipper
- Roosevelt's goby
- Roosmalens' Porcupine
- Rooster hind
- Rooster-tail Conch
- Roosterfish
- Rope Skipper
- Roque toothcarp
- Roque treefrog
- Roque's toad
- Roraima bush toad
- Roraima Mouse
- Roraima Skipper
- Roraima Stefania
- Roraiman Antbird
- Roraiman Antwren
- Roraiman Barbtail
- Roraiman Flycatcher
- Roraiman Nightjar
- Roraiman Warbler
- Rorqual
- Rorschach Flower Scarab
- Rosa's round ray
- Rosado's Robber Frog
- Rosalind's Bristly Mouse
- Rose blind snake
- Rose Coral
- Rose Flower Urchin
- Rose Lace Coral
- Rose Mouth Morum
- Rose Murex
- Rose spiny brittle star
- Rose Whorltail Iguana
- Rose-bellied Chat
- Rose-breasted Chat
- Rose-breasted Grosbeak
- Rose-collared Piha
- Rose-faced Parrot
- Rose-fronted Parakeet
- Rose-headed Parakeet
- Rose-lipped thin-toed frog
- Rose-petal tellin
- Roseate Skimmer
- Roseate Spoonbill
- Roseate Tern
- Rosen's tube-snouted ghost knifefish
- Rosenberg's fruit-eating bat
- Rosenberg's treefrog
- Rosette river stingray
- Ross Allen's treefrog
- Ross' Skipper
- Rosy basslet
- Rosy blenny
- Rosy crown satin
- Rosy curimata
- Rosy dory
- Rosy ground frog
- Rosy Jewelfish
- Rosy Keyhole Limpet
- Rosy razorfish
- Rosy Skipperling
- Rosy tetra
- Rosy-billed Pochard
- Roth's Sand Iguana
- Rothschild's atlas moth
- Rothschild's barracudina
- Rothschild's Porcupine
- Rothschild's silkmoth
- Rothschild's Swift
- Rothschild's Swordtail
- Rothschild’s woodlizard
- Rothschildia
- Rotifer
- Rotkeil severum
- Roudi escolar
- Rough Butterfly Donax
- Rough cactus coral
- Rough Coffee Snake
- Rough eagle ray
- Rough File Clam
- Rough Jewel-box Clam
- Rough lanternfish
- Rough leaf frog
- Rough leg skate
- Rough scad
- Rough Scallop
- Rough Sea Squirt
- Rough star coral
- Rough Teiid
- Rough triggerfish
- Rough-legged Tyrannulet
- Rough-node Trap-jaw Ant
- Rough-ribbed Nerite
- Rough-scaled woodlizard
- Rough-toothed Dolphin
- Roughback batfish
- Roughbar frogfish
- Roughear scad
- Roughhead blenny
- Roughhead triplefin
- Roughneck grunt
- Roughneck Shrimp
- Roughskin Anole
- Roughskin dogfish
- Roughskin spurdog
- Roughtail stingray
- Roughtongue bass
- Roughy
- Roule's Ground Snake
- Round ribbontail ray
- Round sardinella
- Round scad
- Round stingray
- Round-eared bat
- Round-mouth Bean Urchin
- Round-tailed Manakin
- Round-winged Skipper
- Roundbelly cowfish
- Rounded Anteros
- Rounded Banner
- Rounded Metalmark
- Rounded Purplewing
- Rounded Sootywing
- Roundel batfish
- Roundfinned dwarf cichlid
- Roundhead grenadier
- Roundhead rubbernose pleco
- Roundnose knifefish
- Roundnose lanternfish
- Rove beetle
- Row Pore Rope Sponge
- Rowing Crab
- Roy's Robber Frog
- Royal Bonnet Snail
- Royal Cinclodes
- Royal Comb Venus
- Royal crab
- Royal Firetip
- Royal flycatcher
- Royal gramma
- Royal ground snake
- Royal highhat
- Royal moth
- Royal panaque
- Royal peacock bass
- Royal Poinciana Graphic
- Royal red shrimp
- Royal Sea Goddess
- Royal Sunangel
- Royal Tern
- Royal tetra
- Royal tree toad
- Royal whiptail catfish
- Roze's Coastal House Snake
- Roze’s gecko
- Roze's Robber Frog
- Roze's Worm Lizard
- Rozen's Mini-Oil digger
- Rubber lip pleco
- Rubber pleco
- Rubia Skipperling
- Rubina Metalmark
- Rubinoff's triplefin
- Ruby Brittle Star
- Ruby Dancer
- Ruby dwarf cichlid
- Ruby poison frog
- Ruby tetra
- Ruby-crowned Tanager
- Ruby-patched Swallowtail
- Ruby-spotted Swallowtail
- Ruby-topaz Hummingbird
- Rubyspot
- Rudderfish
- Ruddy Daggerwing
- Ruddy Duck
- Ruddy Foliage-gleaner
- Ruddy Ground Dove
- Ruddy Hairstreak
- Ruddy Lasaea
- Ruddy Pigeon
- Ruddy Quail-Dove
- Ruddy Spinetail
- Ruddy Streamskimmer
- Ruddy Tody-flycatcher
- Ruddy Turnstone
- Ruddy Woodcreeper
- Ruddy-breasted Seedeater
- Ruddy-headed Goose
- Ruddy-tailed Flycatcher
- Rudis rattail
- Rudolph's Austral-Resin bee
- Rueda's Anole
- Ruetzleri's Scopalina
- Rufescent Antshrike
- Rufescent Flycatcher
- Rufescent Screech-Owl
- Rufescent Tiger-Heron
- Ruff
- Rufous Cacholote
- Rufous Casiornis
- Rufous Crab Hawk
- Rufous dog-faced bat
- Rufous Flycatcher
- Rufous four-eyed frog
- Rufous frog
- Rufous Gnateater
- Rufous Hornero
- Rufous Motmot
- Rufous Mourner
- Rufous Mouse Opossum
- Rufous Nightjar
- Rufous Piha
- Rufous Potoo
- Rufous Spinetail
- Rufous Twistwing
- Rufous Wren
- Rufous-and-white Wren
- Rufous-backed Antvireo
- Rufous-backed Inca Finch
- Rufous-backed Stipplethroat
- Rufous-backed Treehunter
- Rufous-banded Crambid Moth
- Rufous-banded Miner
- Rufous-banded Owl
- Rufous-bellied Antwren
- Rufous-bellied Bush-tyrant
- Rufous-bellied Euphonia
- Rufous-bellied Mountain Tanager
- Rufous-bellied Nighthawk
- Rufous-bellied Seedsnipe
- Rufous-bellied Thrush
- Rufous-booted Racket-tail
- Rufous-breasted Antthrush
- Rufous-breasted Chat-tyrant
- Rufous-breasted Flycatcher
- Rufous-breasted Hermit
- Rufous-breasted Leaftosser
- Rufous-breasted Piculet
- Rufous-breasted Sabrewing
- Rufous-breasted Warbling Finch
- Rufous-breasted Wood-Quail
- Rufous-breasted Wren
- Rufous-browed Conebill
- Rufous-browed Hemispingus
- Rufous-browed Peppershrike
- Rufous-browed Tyrannulet
- Rufous-brown Solitaire
- Rufous-capped Antshrike
- Rufous-capped Antthrush
- Rufous-capped Motmot
- Rufous-capped Nunlet
- Rufous-capped Spinetail
- Rufous-capped Thornbill
- Rufous-cheeked Tanager
- Rufous-chested Dotterel
- Rufous-chested Tanager
- Rufous-collared Sparrow
- Rufous-crested Coquette
- Rufous-crested Tanager
- Rufous-crowned Antpitta
- Rufous-crowned Elaenia
- Rufous-crowned Greenlet
- Rufous-crowned Tody-flycatcher
- Rufous-eared Brushfinch
- Rufous-faced Antbird
- Rufous-faced Antpitta
- Rufous-faced Crake
- Rufous-fronted Antthrush
- Rufous-fronted Greenlet
- Rufous-fronted Parakeet
- Rufous-fronted Thornbird
- Rufous-fronted Wood-Quail
- Rufous-gaped Hillstar
- Rufous-headed Chachalaca
- Rufous-headed Pygmy-tyrant
- Rufous-headed Tanager
- Rufous-headed Woodpecker
- Rufous-legged Owl
- Rufous-lored Tyrannulet
- Rufous-margined Antwren
- Rufous-margined Satyr
- Rufous-naped Greenlet
- Rufous-naped Ground-tyrant
- Rufous-necked Foliage-gleaner
- Rufous-necked Puffbird
- Rufous-necked Wood-Rail
- Rufous-rumped Antwren
- Rufous-rumped Foliage-gleaner
- Rufous-rumped Seedeater
- Rufous-shafted Woodstar
- Rufous-sided Crake
- Rufous-sided Scrub-tyrant
- Rufous-sided Warbling Finch
- Rufous-tailed Antbird
- Rufous-tailed Antthrush
- Rufous-tailed Attila
- Rufous-tailed Flatbill
- Rufous-tailed Foliage-gleaner
- Rufous-tailed Hawk
- Rufous-tailed Hummingbird
- Rufous-tailed Jacamar
- Rufous-tailed Plantcutter
- Rufous-tailed Stipplethroat
- Rufous-tailed Tyrant
- Rufous-tailed Xenops
- Rufous-thighed Hawk
- Rufous-thighed Kite
- Rufous-throated Antbird
- Rufous-throated Dipper
- Rufous-throated Sapphire
- Rufous-throated Tanager
- Rufous-vented Chachalaca
- Rufous-vented Ground-Cuckoo
- Rufous-vented Tapaculo
- Rufous-vented Whitetip
- Rufous-webbed Brilliant
- Rufous-webbed Bush-tyrant
- Rufous-winged Antshrike
- Rufous-winged Ground-Cuckoo
- Rufous-winged Tanager
- Rufous-winged Tyrannulet
- Rugose Swimming Crab
- Ruibal's Tree Iguana
- Ruida's Anole
- Ruiz's Cochran frog
- Ruiz's marsupial frog
- Ruiz's Robber Frog
- Ruiz's rocket frog
- Rummy-nose tetra
- Running crab spider
- Rupicolous Small Carpenter
- Rurrenabaque tree frog
- Rusch's treefrog
- Ruschenberger Tree Boa
- Ruschi's Spiny Mouse
- Russet Antshrike
- Russet Rice Rat
- Russet-backed Oropendola
- Russet-bellied Spinetail
- Russet-crowned Crake
- Russet-crowned Quail-Dove
- Russet-crowned Warbler
- Russet-mantled Foliage-gleaner
- Russet-mantled Softtail
- Russet-throated Puffbird
- Russet-winged Schiffornis
- Russet-winged Spadebill
- Rust corydoras
- Rust-and-yellow Tanager
- Rustan Hairstreak
- Rusted Clearwing-Satyr
- Rusted Metalmark
- Rustic Quaker
- Rustic Saddlebags
- Rustic Sphinx
- Rusty Brown Birdeater
- Rusty Clearwing
- Rusty corydoras
- Rusty Crescent
- Rusty Flowerpiercer
- Rusty goby
- Rusty Guard Crab
- Rusty Metalmark
- Rusty Robber Frog
- Rusty Rocksnail
- Rusty Ruby-eye
- Rusty scaly blenny
- Rusty Spider Wasp
- Rusty Tinamou
- Rusty toad
- Rusty treefrog
- Rusty-backed Antwren
- Rusty-backed Monjita
- Rusty-backed Spinetail
- Rusty-barred Owl
- Rusty-bellied Brushfinch
- Rusty-belted Tapaculo
- Rusty-breasted Antpitta
- Rusty-breasted Nunlet
- Rusty-browed Warbling Finch
- Rusty-collared Seedeater
- Rusty-crowned Tit-spinetail
- Rusty-faced Parrot
- Rusty-flanked Crake
- Rusty-flanked Thrush
- Rusty-fronted Canastero
- Rusty-fronted Tody-flycatcher
- Rusty-headed Spinetail
- Rusty-margined Flycatcher
- Rusty-margined Guan
- Rusty-necked Piculet
- Rusty-tailed Stingless bee
- Rusty-tinged Antpitta
- Rusty-tipped Page
- Rusty-winged Antwren
- Rusty-winged Barbtail
- Rustyhead snake
- Rutherford's Vine Snake
- Ruthven's Anadia
- Ruthven's Bachia
- Ruthven's Macropholidus
- Ruthven's Robber Frog
- S-banded Tiger Beetle
- Saavedra Andes Frog
- Sabana Surinam toad
- Sabanera Snake
- Sabanilla Dwarf Squirrel
- Saberfin killie
- Sabertooth blenny
- Sabethes mosquito
- Sabin's glass frog
- Sabinal frog
- Sabine's Gull
- Sabis Prominent
- Sabre goby
- Sabrewing
- Sac spider
- Sac-winged bat
- Sacha Guinea Pig
- Sacharuna Robber Frog
- Saci Short-tailed Opossum
- Sack-bearer moth
- Saddle bass
- Saddle cichlid
- Saddle Cory
- Saddle corydoras
- Saddle stargazer
- Saddle-back tamarin
- Saddleback duckbill
- Saddleback Scoliid Wasp
- Saddlebags
- Saddled blenny
- Saddled moray
- Sadia Firetip
- Saffron Finch
- Saffron Playboy
- Saffron Sea Cucumber
- Saffron Siskin
- Saffron Toucanet
- Saffron-billed Sparrow
- Saffron-cowled Blackbird
- Saffron-crested Tyrant-manakin
- Saffron-crowned Tanager
- Saffron-headed Parrot
- Sage Dunne's Rain Frog
- Sage's Rock Rat
- Sagitta Skipper
- Sail cory
- Sailfin blenny
- Sailfin clinid
- Sailfin corydoras
- Sailfin dwarf cichlid
- Sailfin flyingfish
- Sailfin grouper
- Sailfin pimeloid
- Sailfin snake-eel
- Sailfin tetra
- Sailor flyingfish
- Sailor's grunt
- Saint Martin Porcelain Crab
- Saki
- Salaeides Podelfin
- Salambria Banner
- Salazar's Oldfield Mouse
- Salema butterfish
- Salenus Faceted-Skipper
- Salidero Robber Frog
- Salinas Monjita
- Sally Lightfoot crab
- Salmon anemone
- Salmon-bellied Racer
- Salmon-spotted jewelfish
- Salome Yellow
- Salp
- Salt and pepper catfish
- Salt and pepper corydoras
- Salt Marsh Moth
- Salta Chinchilla Rat
- Salta Skipperling
- Salta toad
- Salta treefrog
- Salta Tuco-tuco
- Saltator
- Salty rocket frog
- Salvador Caecilian
- Salvadori's Antwren
- Salvin's Albatross
- Salvin's big-eyed bat
- Salvin's Clearwing
- Salvin's Curassow
- Salvin's empress
- Salvin's Satyr
- Salvinia Stem Borer Moth
- Samaná glass frog
- Samaniego's Rain Frog
- Sambalan Rainfrog
- Sambaqui flower hat jelly
- Samson Flasher
- San Adolfo Robber Frog
- San Agustin treefrog
- San Alberto Robber Frog
- San Andre Rapids frog
- San Antonio Anole
- San Antonio Robber Frog
- San Carlos treefrog
- San Cristobal Lava Lizard
- San Cristobal Mockingbird
- San Francisco Brine Shrimp
- San Francisco croaker
- San Francisco piranha
- San Gil Mushroomtongue Salamander
- San Isidro stubfoot toad
- San Javier's Pygmy Rice Rat
- San Jose Cochran frog
- San Jose white-lipped frog
- San Juan Tree Iguana
- San Juan Tuco-tuco
- San Lorenzo Robber Frog
- San Lorenzo stubfoot toad
- San Lucas marsupial frog
- San Martín redbelly toad
- San Martín rocket frog
- San Martín Titi
- San Miguel island frog
- San Vicente Robber Frog
- San Vicente rocket frog
- San Vicente snouted tree frog
- Sanborn's big-eared bat
- Sanborn's bonneted bat
- Sanborn's Soft-haired Mouse
- Sanborn's treefrog
- Sanborn's Water Frog
- Sanchez's giant glass frog
- Sanchez's Piranha
- Sancta Maria rocket frog
- Sand anemone
- Sand diver
- Sand drum
- Sand dunes Blackhead
- Sand fish
- Sand grunt
- Sand knifefish
- Sand Martin
- Sand perch
- Sand Small-Resin bee
- Sand stargazer
- Sand tiger shark
- Sand tilefish
- Sand wasp
- Sand whiff
- Sand-canyon goby
- Sand-colored Nighthawk
- Sandbar Purplewing
- Sandbar shark
- Sanddab
- Sanderling
- Sandfly
- Sands' cory
- Sandwich Tern
- Sandy Gallito
- Sandy Pygmy Rice Rat
- Sandy Sea Cucumber
- Sandy Skipper
- Sandy-rubble Crab
- Sangama cory
- Sangaris Skipper
- Sangay Porcupine
- Sangay Shrew-opossum
- Sanguine Trivia
- Sanja Pampa Andes Frog
- Santa Ana Tussock Moth
- Santa Barbara snouted treefrog
- Santa Barbara treefrog
- Santa Catarina button frog
- Santa Catarina Caecilian
- Santa Catarina Humming Frog
- Santa Catarina snouted tree frog
- Santa Catarina tree toad
- Santa Catarina tropical bullfrog
- Santa Catarina's Guinea Pig
- Santa Catharina dwarf frog
- Santa Cecilia Cochran frog
- Santa Cecilia rocket frog
- Santa Cruz cory
- Santa Cruz dwarf frog
- Santa Cruz lava lizard
- Santa Cruz whiptail catfish
- Santa Fe frog
- Santa Fe land iguana
- Santa Fe lava lizard
- Santa Ines snouted treefrog
- Santa Isabel Robber Frog
- Santa Justina dwarf frog
- Santa Marta Anole
- Santa Marta Antbird
- Santa Marta Antpitta
- Santa Marta Blossomcrown
- Santa Marta Brushfinch
- Santa Marta Bush-tyrant
- Santa Marta Foliage-gleaner
- Santa Marta Ground Snake
- Santa Marta Mountain Tanager
- Santa Marta Parakeet
- Santa Marta Parrot Snake
- Santa Marta Rice Rat
- Santa Marta Robber Frog
- Santa Marta Sabrewing
- Santa Marta Screech-Owl
- Santa Marta Tapaculo
- Santa Marta Tapeti
- Santa Marta Warbler
- Santa Marta Woodstar
- Santa Marta Wren
- Santa Rita beaked toad
- Santa Rita rocket frog
- Santa Rosa Caecilian
- Santa Rosa Robber Frog
- Santa Rosa Short-tailed Opossum
- Santa Teresa big-headed frog
- Santa Teresa robber frog
- Santa Victoria Oval Frog
- Santa Virgínia flea toad
- Santander Andes Frog
- Santander blind snake
- Santander Coral Snake
- Santander Dwarf Squirrel
- Santander giant glass frog
- Santander poison frog
- Santander Robber Frog
- Santarém Marmoset
- Santarem Parakeet
- Santarém terrestrial nest-building frog
- Santarem treefrog
- Santarus Skipper
- Santiago Galapagos Mouse
- Santiago Lava Lizard
- Santiago Robber Frog
- Santiago rocket frog
- Santo Andre snouted treefrog
- Santo Smooth Horned Frog
- Sao Bento button frog
- São Bento canebrake tree frog
- São Bento toad
- Sao Francisco Sparrow
- São Lourenço Punaré
- Sao Paulo Blind Snake
- São Paulo Bristle-tyrant
- Sao Paulo button frog
- São Paulo Caecilian
- Sao Paulo False Coral Snake
- Sao Paulo Grass Mouse
- Sao Paulo Ground Snake
- Sao Paulo Keelback
- Sao Paulo Lancehead
- Sao Paulo leaf frog
- Sao Paulo olive brown
- Sao Paulo robber frog
- São Paulo snouted tree frog
- Sao Paulo snouted treefrog
- Sao Paulo Spiny-rat
- São Paulo Squid
- Sao Paulo tree toad
- São Salvador burrow-snake
- Sao Vicente tree frog
- Sapala Skipper
- Sapayo cichlid
- Sapayoa
- Saphenophis Snake
- Sapho Longwing
- Sapiranga Humming Frog
- Sapodilla Borer Moth
- Sapote fruit fly
- Sapote Robber Frog
- Sapphire
- Sapphire dwarf cichlid
- Sapphire Quail-Dove
- Sapphire striped tetra
- Sapphire-bellied Hummingbird
- Sapphire-rumped Parrotlet
- Sapphire-spangled Emerald
- Sapphire-throated Hummingbird
- Sapphire-vented Puffleg
- Sapucaia toothcarp
- Sara Longwing
- Sara tree frog
- Sara's longtail knifefish
- Sarah's Skipper
- Saramacca cory
- Sarare cory
- Sarayacu treefrog
- Sardinata treefrog
- Sardinayacu leaflitter frog
- Sardinayacu's Rain Frog
- Sardinella
- Sargassum anemone
- Sargassum Nudibranch
- Sargassum pipefish
- Sargassum Sea Mat
- Sargassum Shrimp
- Sargassum Swimming Crab
- Sargassum triggerfish
- Sargassumfish
- Sarisariñama carrying frog
- Sarisariñama Forest Gecko
- Sarisariñama glass frog
- Sarisariñama Rain Frog
- Sarisariñama rocket frog
- Sarisariñama Tepui emerald-barred frog
- Sarpedon Firetip
- Sash flounder
- Satellite Sphinx
- Sateré Marmoset
- Satheri's rainfrog
- Satin Rupela
- Satipo Robber Frog
- Saturnine Antshrike
- Saturnus Skipper
- Satyr
- Satyr Darner
- Satyr Hairstreak
- Satyr Skipper
- Saucer bryozoan
- Saucereye porgy
- Saucy Beauty
- Sauro lizardfish
- Saury
- Sauvage's Snail-eater
- Savage's Cochran frog
- Savage's Groundsnake
- Savage's Mushroomtongue Salamander
- Savage's thin-toed frog
- Savanna Arboreal Rice Rat
- Savanna Hawk
- Savanna Oncilla
- Savanna Side-necked Turtle
- Savanna tetra
- Savannah Racer Snake
- Saw-billed Hermit
- Sawcheek cardinalfish
- Sawfish planthopper
- Sawfly
- Sawlipped catfish
- Sawtooth cory
- Sawtooth eel
- Say's Keyhole Limpet
- Sayaca Tanager
- Sazima's leaf frog
- Sazima's treefrog
- Sazima's white-lipped frog
- Scabrous barnacle
- Scad
- Scaglia's Tuco-tuco
- Scale insect
- Scale worm
- Scale-crested Pygmy-tyrant
- Scale-throated Earthcreeper
- Scale-throated Hermit
- Scaled Antbird
- Scaled Antpitta
- Scaled Chachalaca
- Scaled Dove
- Scaled Flowerpiercer
- Scaled Fruiteater
- Scaled Ground-Cuckoo
- Scaled herring
- Scaled Metaltail
- Scaled Piculet
- Scaled Pigeon
- Scaled Spinetail
- Scaled Woodcreeper
- Scaled Worm Snail
- Scaleless black dragonfish
- Scaleless dragonfish
- Scaleless goby
- Scaleline cusk
- Scallop sea squirt
- Scallop-breasted Antpitta
- Scallop-patched Theope
- Scalloped Antbird
- Scalloped bonnethead
- Scalloped hammerhead
- Scalloped Owlet
- Scalloped ribbonfish
- Scalloped Wentletrap
- Scalloped Woodcreeper
- Scallopwing
- Scaly boy
- Scaly Chiton
- Scaly stargazer
- Scaly-breasted Hummingbird
- Scaly-headed Parrot
- Scaly-legged Pyralid
- Scaly-naped Amazon
- Scaly-naped Pigeon
- Scaly-throated Foliage-gleaner
- Scaly-throated Leaftosser
- Scalyback Anole
- Scalyfin basslet
- Scalyfin grunt
- Scamander Swallowtail
- Scamp
- Scarab
- Scarce Anastrus
- Scarce Bamboo Page
- Scarce Morpho
- Scarce Snouted Frog
- Scarlet Dragonlet
- Scarlet frogfish
- Scarlet Ibis
- Scarlet Mime Crab
- Scarlet pleco
- Scarlet shrimp
- Scarlet Tanager
- Scarlet-and-white Tanager
- Scarlet-backed Woodpecker
- Scarlet-banded Barbet
- Scarlet-bellied Mountain Tanager
- Scarlet-breasted Dacnis
- Scarlet-breasted Fruiteater
- Scarlet-browed Tanager
- Scarlet-crowned Barbet
- Scarlet-eyed Dancer
- Scarlet-fronted Parakeet
- Scarlet-headed Blackbird
- Scarlet-hooded Barbet
- Scarlet-horned Manakin
- Scarlet-rumped Cacique
- Scarlet-shouldered Parrotlet
- Scarlet-tailed Bumble Bee
- Scarlet-thighed Dacnis
- Scarlet-throated Tanager
- Scattered Pore Rope Sponge
- Scaup
- Scavenger Whelk
- Schach's Ground Snake
- Schau´s Sarota
- Schaus' Firetip
- Schaus' Flasher
- Schaus’ Ipidecla
- Schaus' Tussock Moth
- Schaus's Scarlet-eye
- Schiffornis
- Schindler's fish
- Schizomid
- Schlegel's Golden Snake
- Schmidt's Coffee-Snake
- Schmidt's forest frog
- Schmidt's Green Racer
- Schmidt's marsupial frog
- Schmidt's spinythumb frog
- Schmidt's Tree Iguana
- Schmidt's Uruguay treefrog
- Schmidts' big-eared bat
- Schneider's dwarf caiman
- Schneider's Marmoset
- School bass
- Schoolmaster snapper
- Schoolmate cory
- Schroeder's Tree Iguana
- Schrottky's Stingless Bee
- Schubart's Humming Frog
- Schubart's Rondonia treefrog
- Schuchert's hydroid
- Schulte's Robber Frog
- Schulz's round-eared bat
- Schunk's Snail-eater
- Schwartz's Antthrush
- Schwartz's catfish
- Schwartz's corydoras
- Schwassmann’s tube-snouted ghost knifefish
- Scimitar-billed Woodcreeper
- Scimitar-winged Piha
- Scinax tymbamirim
- Scissor Date Mussel
- Scissor-tailed Hummingbird
- Scissor-tailed Nightjar
- Scissortail damselfish
- Sclater's Antwren
- Sclater's Tyrannulet
- Scofield's anchovy
- Scolopendra angulata
- Scoophead
- Scoopwing Moth
- Scops Witch Moth
- Scorched Mussel
- Scorpion mud turtle
- scorpion of Hueque
- Scorpionfish
- Scorpionfly
- Scotch Bonnet Snail
- Scraped Pilocrocis Moth
- Scrawled butterflyfish
- Scrawled cowfish
- Scrawled sole
- Screamer
- Screaming Cowbird
- Screaming Hairy Armadillo
- Screaming Piha
- Screwworm
- Scribble-tailed Canastero
- Scribbled leatherjacket filefish
- Scripted Clito
- Scrub Blackbird
- Scrub Greenlet
- Scrub Nightjar
- Scrub Tanager
- Scrub tyrant
- Scrub-flycatcher
- Scrub-Hairstreak
- Sculptured Donax
- Sculptured Slipper Lobster
- Scylax Tigerwing
- Scylla Firetip
- Scylla Skipperling
- Scythebill
- Scythemarked butterflyfish
- Sea angel
- Sea armadillo
- Sea Biscuit
- Sea butterfly
- Sea catfish
- Sea chameleon
- Sea Egg
- Sea fan
- Sea fir
- Sea Frost
- Sea gooseberry
- Sea hare
- Sea louse
- Sea mouse
- Sea nettle
- Sea pansy
- Sea pen
- Sea Porcupine
- Sea potato
- Sea robin
- Sea rod
- Sea sapphire
- Sea slater
- Sea slug
- Sea snail
- Sea spider
- Sea squirt
- Sea tank
- Sea Thread Hydroid
- Sea Walnut
- Sea-pussy Pea Crab
- Seabird soft tick
- Seagrape Spanworm Moth
- Seagrass eel
- Seaside Cinclodes
- Seaside Dragonlet
- Seasonal Leafwing
- Seaweed blenny
- Seaweed flame sea slug
- Seaweed fly
- Seba's short-tailed bat
- Sebaldus Scarlet-eye
- Sebastián's Ruby-eye
- Sechura lizardfish
- Sechuran Fox
- Secondary Screwworm Fly
- Secret Robber Frog
- Secretary blenny
- Sedge Moth
- Seed bug
- Seed finch
- Seedeater
- Seedsnipe
- Seegobinas Tepui toad
- Segakiato tropical bullfrog
- Segmented Turret Bee
- Seguro toothcarp
- Sehuencas Water Frog
- Sei Whale
- Seirocastnia Skipperling
- Sela Skipper
- Selva Cacique
- Semi-lined tree frog
- Semicollared Hawk
- Semicollared Puffbird
- Seminole goby
- Semipalmated Plover
- Semipalmated Sandpiper
- Semipelagic torpedo
- Semiplumbeous Hawk
- Semiscaled goby
- Semones Hairstreak
- Seneca Ruby-eye
- Sentis scallop
- Separated Stripestreak
- Sepia Short-tailed Opossum
- Sepia-brown Wren
- Sepia-capped Flycatcher
- Sergeant-major
- Sergestus Ruby-eye
- Sergius Firetip
- Seriema
- Serna's Robber Frog
- Seron Skipper
- Seropédica tree frog
- Serra Antwren
- Serra Cantareira saddleback toad
- Serra da Bocaina flea toad
- Serra da Bocaina snouted treefrog
- Serra da Jibóia heart-tongued frog
- Serra da Mantiqueira Atlantic Tree-rat
- Serra da Mantiqueira tree frog
- Serra das Almas tree frog
- Serra de Macaé flea toad
- Serra de Mantiqueira big-headed frog
- Serra de Paranapiacaba tree frog
- Serra do Apiaú rocket frog
- Serra do Araçatuba flea toad
- Serra do Bocaina tree frog
- Serra do Brigadeiro snouted tree frog
- Serra do Cabral tree frog
- Serra do Cachimbo snouted tree frog
- Serra do Espinhaço snouted tree frog
- Serra do Mar Bristle-tyrant
- Serra do Mar canebrake tree frog
- Serra do Mar flea toad
- Serra do Mar Grass Mouse
- Serra do Mar Tyrant-manakin
- Serra do Morato flea toad
- Serra do Quiriri flea toad
- Serra do Sincorá tree frog
- Serra do Timbó tree frog
- Serra dos Barbados tree frog
- Serra dos Órgãos anole
- Serra Finch
- Serra Geral tree frog
- Serra Queimada flea toad
- Serra Snake
- Serra Spanish mackerel
- Serranía de Contamana poison frog
- Serranía de Guanay rocket frog
- Serrano Bristly Mouse
- Serrated Hem Star
- Serville Swordtail
- Sesbania Seed Weevil
- Sesbania Stem Weevil
- Seuss' cory
- Seven ray toothcarp
- Seven-banded Long-nosed Armadillo
- Seven-colored Tanager
- Seven-lined Ameiva
- Seven-striped blind snake
- Sevenbarbed banjo
- Severi's tube-snouted ghost knifefish
- Severum
- Sexton beetle
- Shaded-blue Leafwing
- Shadow bristlemouth
- Shadow-backed Anovia
- Shadowed Hairstreak
- Shadowy broad-nosed bat
- Shadowy Leafsitter
- Shag
- Shag Carpet Caterpillar Moth
- Shag-rug Nudibranch
- Shaggy bat
- Shaggy Brittle Star
- Shaggy Domecia
- Shah's Eyelash-Pitviper
- Shallqa Oldfield Mouse
- Shameface Heart Crab
- Shampupa Royal Pleco
- Shanty Orb Weaver
- Shapiro's Skipper
- Shark sucker
- Sharknose goby
- Sharp Banded-Skipper
- Sharp-beaked Ground Finch
- Sharp-billed Canastero
- Sharp-billed Treehunter
- Sharp-nosed forest toad
- Sharp-nosed Spindle Snake
- Sharp-shinned Hawk
- Sharp-snouted sun tegu
- Sharp-stigma Looper Moth
- Sharp-tailed Ibis
- Sharp-tailed Streamcreeper
- Sharp-tailed Tyrant
- Sharp-toothed pacu
- Sharpbill
- Sharpchin barracudina
- Sharpchin flyingfish
- Sharpchin slickhead
- Sharpfin houndshark
- Sharphead eartheater
- Sharpnose anchovy
- Sharpnose lizardfish
- Sharpnose sevengill shark
- Sharpnose stingray
- Sharpnosed cory
- Sharpsnout Robber Frog
- Sharpsnout stingray
- Sharpsnout tubeshoulder
- Sharptail eel
- Sharptail mola
- Sharptooth smooth-hound
- Shaw's dark ground snake
- Shear-tailed Gray Tyrant
- Sheartail
- Shearwater
- Sheathbill
- Sheep-pacu
- Sheephead grunt
- Sheepshead
- Sheepshead minnow
- Sheepshead porgy
- Sheet weaver
- Sheldgoose
- Shelf goby
- Shepherd's Beaked Whale
- Sheriff-badge Sea Star
- Shield False Limpet
- Shield Fan Lobster
- Shield-bearing Moth
- Shielded Worm Lizard
- Shieldhead Gecko
- Shimmering Golden Sugar ant
- Shining drum
- Shining Firetip
- Shining Groundstreak
- Shining grunt
- Shining Honeycreeper
- Shining Leaf Chafer
- Shining Macoma
- Shining pencilfish
- Shining Purplewing
- Shining Sunbeam
- Shining Tree Iguana
- Shining tubeshoulder
- Shining-green Hummingbird
- Shiny Atlantic Auger
- Shiny Copper Tetra
- Shiny Cowbird
- Shiny Guinea Pig
- Shiny Lightbulb Lizard
- Shinyscaled curimata
- Shipton's Mountain Cavy
- Shipworm
- Shiv
- Shoal flounder
- Shoe Mussel
- Shore crab
- Short anchovy
- Short bigeye
- Short dwarf cichlid
- Short Ground Snake
- Short macaroni sponge
- Short Macoma
- Short-billed Canastero
- Short-billed Dowitcher
- Short-billed Honeycreeper
- Short-billed Leaftosser
- Short-billed Miner
- Short-billed Pigeon
- Short-billed Pipit
- Short-crested Flycatcher
- Short-eared bat
- Short-eared Dog
- Short-eared Owl
- Short-faced Oldfield Mouse
- Short-finned Pilot Whale
- Short-Fronted Ark
- Short-headed broad-nosed bat
- Short-headed lantern fish
- Short-lined escolar
- Short-lined Kite Swallowtail
- Short-maned sand eel
- short-neck triton
- Short-nosed Ground Snake
- Short-rod anglerfish
- Short-snouted lancetfish
- Short-spined Ophioderma
- Short-striped round herring
- Short-tail yellownose skate
- Short-tailed Antthrush
- Short-tailed Brucie
- Short-tailed Cane Mouse
- Short-tailed Chinchilla
- Short-tailed coral snake
- Short-tailed Emerald
- Short-tailed Field Tyrant
- Short-tailed Flasher
- Short-tailed fruit bat
- Short-tailed Hawk
- Short-tailed Nighthawk
- Short-tailed opossum
- Short-tailed Parrot
- Short-tailed pipefish
- Short-tailed Pygmy-tyrant
- Short-tailed river stingray
- Short-tailed Spiny-rat
- Short-tailed Swift
- Short-tailed Vesper Mouse
- Short-tailed Woodstar
- Short-tooth Thorn Drupe
- Short-tube scorpionfish
- Shortbeard codling
- Shortbeard cusk-eel
- Shortbelly eel
- Shortbill spearfish
- Shortchin stargazer
- Shortdorsal cutthroat eel
- Shortfin mako
- Shortfin mojarra
- Shortfin neoscopelid
- Shortfin pearleye
- Shortfin pipefish
- Shortfin sand skate
- Shortfin sand stargazer
- Shortfin scad
- Shortfin scorpionfish
- Shortfin searobin
- Shortfinger anchovy
- Shortfinger Hermit
- Shortgut fintail snipe eel
- Shorthead Anadia
- Shorthead cusk-eel
- Shorthead drum
- Shorthead lizardfish
- Shorthorn Decorator Crab
- Shortjaw leatherjacket
- Shortjaw lizardfish
- Shortlined pleco
- Shortnose batfish
- Shortnose eagle ray
- Shortnose greeneye
- Shortnose spurdog
- Shortnose stardrum
- Shortsnout conger
- Shortsnout grenadier
- Shortsnout Water Frog
- Shortspine boarfish
- Shortspine Hairy Crab
- Shortspine spurdog
- Shortspined Wing Pleco
- Shortstripe goby
- Shorttail conger
- Shorttail fanskate
- Shorttail snake eel
- Shorttail viper eel
- Shortwing searobin
- Shoulder Tree Iguana
- Shoulder-streaked Firetip
- Shoulderblade Coral
- Shoulderspot needlefish
- Shovelbill shark
- Shoveler
- Shovelnose catfish
- Showy bristlemouth
- Shreve's Keelback
- Shreve's rocket frog
- Shreve's Sarayacu treefrog
- Shrew opossum
- Shrike-like Cotinga
- Shrike-like Tanager
- Shrike-tanager
- Shrike-tyrant
- Shrike-vireo
- Shrimp eel
- Shropshire's Puffing Snake
- Shushupe tree frog
- Shy cory
- Shy hamlet
- Shy Robber Frog
- Siam Weed Defoliator
- Sibilant Sirystes
- Sick's Swift
- Sickle-clasp Skipper
- Sickle-winged Guan
- Sickle-winged Nightjar
- Sicklebill
- Sicklefin devil ray
- Sicklefin smooth-hound
- Sicklemargined Penelfin
- Side-necked turtle
- Side-striped Robber Frog
- Side-striped Skimmer
- Sierra de Aroa collared frog
- Sierra de Lema Flycatcher
- Sierra del Tontal Chinchilla Rat
- Sierra finch
- Sierra Nevada Antpitta
- Sierra Nevada Brushfinch
- Sierra rocket frog
- Sierra Tapirapecó rocket frog
- Sierra Tontal Tuco-tuco
- Sierran Elaenia
- Sifax Skipper
- Signata Skipper
- Sigsig Penelfin
- Sila Telemiades
- Silent Grass Mouse
- Silk moth
- Silk snapper
- Silky anteater
- Silky Cane Weevil
- Silky Oldfield Mouse
- Silky shark
- Silky short-tailed bat
- Silky Tuco-tuco
- Silky wanderer
- Silky-tailed Nightjar
- Silumena Brangas
- Silva's Slender Opossum
- Silver anchovy
- Silver Argiope
- Silver arowana
- Silver dollar
- Silver dolphin catfish
- Silver driftfish
- Silver drum
- Silver Emperor
- Silver hatchetfish
- Silver lightfish
- Silver Longjawed Orbweaver
- Silver mojarra
- Silver pikeconger
- Silver porgy
- Silver prochilodus
- Silver Satyr
- Silver scabbardfish
- Silver seatrout
- Silver spinyfin
- Silver stardrum
- Silver Teal
- Silver tetra
- Silver warehou
- Silver weakfish
- Silver-backed Tanager
- Silver-banded Hairstreak
- Silver-banded Sister
- Silver-beaked Tanager
- Silver-plated Skipper
- Silver-rag driftfish
- Silver-studded Leafwing
- Silver-throated Tanager
- Silver-tipped myotis
- Silverdrop
- Silvered Antbird
- Silvered Prominent
- Silvered Skipperling
- Silvergrey grunt
- Silverside
- Silverspot
- Silverspotted eartheater
- Silverstone's Mushroomtongue Salamander
- Silverstone's poison dart frog
- Silverstone's Robber Frog
- Silverstone's rocket frog
- Silvertip shark
- Silvertip tetra
- Silvery fruit-eating bat
- Silvery Grebe
- Silvery John dory
- Silvery lightfish
- Silvery Marmoset
- Silvery Metalmark
- Silvery-cheeked Antshrike
- Silvery-flanked Antwren
- Silvery-throated Spinetail
- Silvestri’s Pygmy Snapping Ant
- Silvestri's Worm Lizard
- Silvia coralsnake
- Similar Cardita Shell
- Similar Carpenter
- Similar Rubber Frog
- Simla Coffeesnake
- Simmons' Big-headed Frog
- Simmons' treefrog
- Simmons's big-eared bat
- Simon's Robber Frog
- Simons' sun tegu
- Simons' Whorltail Iguana
- Simons's Dwarf Squirrel
- Simons's Mouse Opossum
- Simons's Spiny-rat
- Simony's frostfish
- Simple chaperia
- Simple Patch
- Simple Satyr
- Simple Skipper
- Simple Skipperling
- Simple Twig Ant
- Simpson’s Leaf-toed Gecko
- Simpson’s plumb toad
- Simpson's Rainfrog
- Simulius Skipper
- Sincora Antwren
- Singing catfish
- Single-banded Groundstreak
- Single-banded Tuskyhook
- Single-striped Opossum
- Sinnamary Brush-tailed Rat
- Sinnamary tree frog
- Siona Amazonian toadlet
- Sipa Scarlet-eye
- Sipaliwini Robber Frog
- Sipariana Skipper
- Siphonophore
- Sipo
- Sipurio snouted treefrog
- Sir David Attenborough's myotis
- Sira Barbet
- Sira Curassow
- Sira poison frog
- Sira Tanager
- Sirajo
- Siren glassfrog
- Sirene Skipper
- Sirystes
- Sisal Weevil
- Sisamnus Dartwhite
- Siskin
- Sista Mellana
- Sister butterfly
- Sitio Caecilian
- Sítio d'Abadia snouted tree frog
- Six-banded Armadillo
- Six-eyed sand spider
- Six-keyhole Sand Dollar
- Six-pored Sand Dollar
- Six-ray Star Coral
- Six-scaled Tegu
- Six-spotted Bromeliad Fly
- Six-spotted Carpenter Ant
- Six-toed Rainfrog
- Six-tubercled Amazon River turtle
- Sixgill shark
- Sixray corydoras
- Skeleton tarantula
- Skeletonized leafwing
- Skiff Moth
- Skilletfish
- Skilletskate
- Skimmer
- Skink Tegu
- Skipjack tuna
- Skipper
- Skipper halfbeak
- Skipperling
- Skirted Owlet
- Skua
- Skull Tree Iguana
- Skunk corydoras
- Skunk frog
- Skunk sea cradle
- Sky blue poison dart frog
- Sky Climbing Rat
- Sky-blue Dancer
- Sky-blue Groundstreak
- Sky-blue Hairstreak
- Sky-pointing Moth
- Sladen's hatchet fish
- Slag Lizard
- Slantlip eel
- Slashcheek goby
- Slate bristlenose pleco
- Slate cory
- Slate Pencil Urchin
- Slate-colored Antbird
- Slate-colored Coot
- Slate-colored Grosbeak
- Slate-colored Hawk
- Slate-colored Seedeater
- Slate-crowned Antpitta
- Slate-headed Tody-flycatcher
- Slate-throated Gnatcatcher
- Slate-throated redstart
- Slater's Worm Lizard
- Slaty antshrike
- Slaty Antwren
- Slaty Becard
- Slaty Bristlefront
- Slaty Brushfinch
- Slaty Elaenia
- Slaty Finch
- Slaty Gnateater
- Slaty Spinetail
- Slaty Tanager
- Slaty Tanmark
- Slaty-backed Chat-tyrant
- Slaty-backed Forest-Falcon
- Slaty-backed Hemispingus
- Slaty-backed Nightingale-Thrush
- Slaty-breasted Wood-Rail
- Slaty-capped Flycatcher
- Slaty-capped Shrike-Vireo
- Slaty-masked Tinamou
- Slaty-tailed Trogon
- Slaty-winged Foliage-gleaner
- Sleeper
- Sleeper cusk-eel
- Sleeping Beauty Rain Frog
- Sleeping beauty tetra
- Slender anchovy
- Slender Antbird
- Slender argentine
- Slender bigscale
- Slender bristlemouth
- Slender broad-nosed bat
- Slender catshark
- Slender Cercosaura
- Slender Clubskimmer
- Slender codling
- Slender Coral Snake
- Slender cuskeel
- Slender filefish
- Slender frostfish
- Slender halfbeak
- Slender Inshore Squid
- Slender lanternfish
- Slender lightfish
- Slender Marsh Clam
- Slender mojarra
- Slender Oldfield Mouse
- Slender opossum
- Slender pike cichlid
- Slender piranha
- Slender robber fly
- Slender searobin
- Slender shovelnose catfish
- Slender Skimmer
- Slender Snake
- Slender snipe eel
- Slender snipefish
- Slender sorcerer
- Slender Spindle Snake
- Slender suckerfish
- Slender sunfish
- Slender thread herring
- Slender tuna
- Slender wenchman
- Slender Worm Lizard
- Slender-billed Finch
- Slender-billed Kite
- Slender-billed Miner
- Slender-billed Parakeet
- Slender-billed Prion
- Slender-billed Tyrannulet
- Slender-billed Xenops
- Slender-footed Tyrannulet
- Slender-legged treefrog
- Slender-tailed Woodstar
- Slenderjaw moray
- Slendertail grenadier
- Slendertail lanternfish
- Slevin's lava lizard
- Slevin's Worm Lizard
- Slick puffer
- Slickhead
- Slider
- Slim flounder
- Slim Snaggletooth
- Slime star
- Slimehead grenadier
- Slimtail lampfish
- Slimtail skate
- Slimy Dendrodoris
- Slimy head
- Slimy Sea Plume
- Slipper lobster
- Slipper snail
- Slipper sole
- Slippery dick
- Slit branchial paraliparis
- Sloane's viperfish
- Slobbering catfish
- Slope bass
- Slope conger
- Slope soapfish
- Slopewater lanternfish
- Slosson's metalmark moth
- Sloth Moth
- Sloth's giant tick
- Slough Amberwing
- Sludge Worm
- Slug moth
- Small Banded Keyhole Limpet
- Small Banded Venus
- Small big-eared brown bat
- Small Brown Sea Anemone
- Small Fernandina Galapagos Mouse
- Small Flat
- Small Goose Barnacle
- Small grape sea slug
- Small Ground Finch
- Small Kite-Swallowtail
- Small knobbed sea slug
- Small Mellana
- Small Mocis Moth
- Small Painted Locust
- Small pale sea cradle
- Small Red-nosed Tree Mouse
- Small sanddab
- Small Telemiades
- Small Thistle Moth
- Small Tree Finch
- Small tree sponge
- Small Vesper Mouse
- Small villosus hermit crab
- Small white rock sea cucumber
- Small Yungas Hocicudo
- Small-billed Elaenia
- Small-billed Tinamou
- Small-eared Pygmy Rice Rat
- Small-eared Water Rat
- Small-eyed Sailor
- Small-eyed Toad-headed Pitviper
- Small-headed Elaenia
- Small-headed treefrog
- Small-scaled Anole
- Small-scaled pacu
- Small-scaled woodlizard
- Small-spine snailfish
- Small-spotted Flasher
- Small-spotted Owl-Butterfly
- Small-spotted Silverdrop
- Small-winged Gay's Mantis
- Small-winged Stick Mantis
- Small's Metalmark
- Smalldisk torpedo
- Smaller Sand Cricket
- Smalleye croaker
- Smalleye hammerhead
- Smalleye lantern shark
- Smalleye midshipman
- Smalleye smooth-head
- Smalleye smooth-hound
- Smalleye spaghetti eel
- Smalleye squaretail
- Smalleye stardrum
- Smalleyed rabbitfish
- Smalleyed round stingray
- Smallfin catshark
- Smallfin lanternfish
- Smallhead Worm Lizard
- Smallmouth grunt
- Smallnose fanskate
- Smallscale lizardfish
- Smallscale smooth-head
- Smallscale waryfish
- Smallscale weakfish
- Smallscaled spinycheek sleeper
- Smallskin treefrog
- Smallsucker clingfish
- Smalltail sand skate
- Smalltail shark
- Smallthorn sand skate
- Smalltooth sand tiger
- Smalltooth sawfish
- Smalltooth weakfish
- Smear-spotted Skipper
- Smiling snake-eel
- Smith's Pixie
- Smoke-colored Pewee
- Smoky bat
- Smoky Bush-tyrant
- Smoky Forest Mouse
- Smoky Grass Mouse
- Smoky jungle frog
- Smoky Oldfield Mouse
- Smoky Peckoltia
- Smoky Tetanolita Moth
- Smoky-brown Woodpecker
- Smoky-fronted Tody-flycatcher
- Smooth anglerfish
- Smooth Atlantic Tegula
- Smooth back river stingray
- Smooth Black Tegula
- Smooth butterfly ray
- Smooth Dove Shell
- Smooth dreamer
- Smooth Duck Clam
- Smooth File Clam
- Smooth Flower Coral
- Smooth hammerhead
- Smooth horned frog
- Smooth jungle frog
- Smooth lanternshark
- Smooth Mud Crab
- Smooth oreo dory
- Smooth Pink Snail
- Smooth puffer
- Smooth Risso
- Smooth Siphonaria
- Smooth Star Coral
- Smooth stardrum
- Smooth stargazer
- Smooth Tegu
- Smooth trunkfish
- Smooth weakfish
- Smooth-backed Bush Anole
- Smooth-banded sister
- Smooth-billed Ani
- Smooth-cheek eartheater
- Smooth-cheek scorpionfish
- Smooth-eye blenny
- Smooth-head scorpionfish
- Smooth-hound
- Smoothtail mobula
- Smoothtail Spiny Lobster
- Smudge spot cory
- Smudge-spot corydoras
- Smudged Crescent
- Smudged Eighty-eight
- Smudged Hairstreak
- Snaggletooth
- Snail Kite
- Snail-eating snake
- Snailfish
- Snake mackerel
- Snake-necked turtle
- Snakefish
- Snakehead kingcroaker
- Snethlage's Antpitta
- Snethlage's Climbing Rat
- Snethlage's Marmoset
- Snethlage's Tody-tyrant
- Snipe
- Snipefish
- Snodgrass's Galápagos Wolf Spider
- Snoek
- Snook
- Snout moth
- Snout-Skipper
- Snouted eagle ray
- Snouted mullet
- Snouted toad
- Snouted tree frog
- Snow bass
- Snow-capped Manakin
- Snow-footed Oldfield Mouse
- Snowball pleco
- Snowflake (butterfly)
- Snowflake Coral
- Snowy Egret
- Snowy grouper
- Snowy Plover
- Snowy Sheathbill
- Snowy-bellied Hummingbird
- Snowy-crowned Tern
- Snowy-throated Kingbird
- Snubnose anchovy
- Snubnosed spiny eel
- Soapfish
- Sober Renia Moth
- Soberbo robber frog
- Sobetes Robber Frog
- Social Feather Duster Worm
- Social Flycatcher
- Social Skipper
- Social spider
- Socopo collared frog
- Socopo tree frog
- Sodalis Skipper
- Soft bell hydroid
- Soft coral
- Soft Gingerbread Hem Star
- Soft lanternfish
- Soft tangerine starfish
- Soft-furred Grass Mouse
- Soft-furred Oldfield Mouse
- Soft-furred spiny rat
- Soft-plumaged Petrel
- Softhead grenadier
- Softhead sea catfish
- Softhead stardrum
- Softnose skate
- Softtail
- Soil centipede
- Soini's Slender Opossum
- Solanaceous Treehopper
- Soldier butterfly
- Sole
- Sole flounder
- Solid Caecilian
- Solid Sanguin Clam
- Solitaire
- Solitaire Anole
- Solitary Cacique
- Solitary Eagle
- Solitary Gorgonian Hydroid
- Solitary Sandpiper
- Solitary Tinamou
- Somber Carpet Moth
- Somber Skipper
- Sombre Hummingbird
- Sombrero Lucine
- Song Wren
- Sonson Frog
- Sonsón Spindle Snake
- Sonsón stubfoot toad
- Sooretama Slaty-antshrike
- Sooty Albatross
- Sooty Ant Tanager
- Sooty Antbird
- Sooty Barbthroat
- Sooty cusk-eel
- Sooty Grassquit
- Sooty Saddlebags
- Sooty Shearwater
- Sooty skate
- Sooty Snout
- Sooty Swift
- Sooty Tern
- Sooty Tyrannulet
- Sooty-capped Hermit
- Sooty-capped Puffbird
- Sooty-crowned Flycatcher
- Sooty-faced Finch
- Sooty-fronted Spinetail
- Sooty-headed Tyrannulet
- Sooty-headed Wren
- Sora
- Sorata Andes Frog
- Sorghum Webworm Moth
- Soriano's yellow-shouldered bat
- Sorocaba dwarf frog
- Sorojchi Mountain Cavy
- Sosia Skipper
- Sosis Crescent
- Sosis Satyr
- Soto's Skipperling
- Sousas snouted treefrog
- South American Blind Snake
- South American bumblebee catfish
- South American Bushmaster
- South American catfish
- South American Cicada-killer Wasp
- South American Clawed Gecko
- South American Coachwhip
- South American Coati
- South American collared lizard
- South American common toad
- South American Coral Snake
- South American Dead Leaf Mantis
- South American dotted racer
- South American Dwarf Gecko
- South American Forest Racer
- South American fruit fly
- South American Fur Seal
- South American Gecko
- South American Gray Fox
- South American green mantis
- South American Hermit Crab
- South American Hognose Snake
- South American Leaf-toed Gecko
- South American Leaftosser
- South American lime treefrog
- South American locust
- South American lungfish
- South American Mangrove Buckeye
- South American Marked Gecko
- South American Mestra
- South American Multiradiate Sun Star
- South American Painted-snipe
- South American palm weevil
- South American pilchard
- South American Pond Snake
- South American Rattlesnake
- South American rocket frog
- South American Sea Lion
- South American Sea Nettle
- South American silver croaker
- South American silver porgy
- South American Sipo
- South American snake-necked turtle
- South American snapping turtle
- South American social spider
- South American Tern
- South American Tigertail
- South American Tropical Buckeye
- South American Worm Lizard
- South Andean Red Brocket
- South Brazilian skate
- South Pacific hake
- South Pacific Mauve Stinger
- South Pacific moray
- South Pacific sole
- South Polar Skua
- Southeastern Beardless-tyrannulet
- Southeastern Brazil snouted treefrog
- Southeastern Red Brocket
- Southeastern Scarlet Snake
- Southeastern Woolly Mouse Opossum
- Southern Amazon Red Squirrel
- Southern Antpipit
- Southern Armyworm Moth
- Southern Atlantic sharpnose-puffer
- Southern Atlantic Tree-rat
- Southern Bahia heart-tongued frog
- Southern Bahian Titi
- Southern bandtail puffer
- Southern banjo catfish
- Southern barracudina
- Southern Beet Webworm Moth
- Southern Bentbill
- Southern big-eared brown bat
- Southern Big-eared Mouse
- Southern bigscale
- Southern black mastiff bat
- Southern Black-eared Opossum
- Southern blacktip lanternfish
- Southern blind snake
- Southern blue whiting
- Southern bluefin tuna
- Southern Bottlenose Whale
- Southern Bristle-tyrant
- Southern Broken-Dash
- Southern Brown Brocket
- Southern brown shrimp
- Southern Caribbean Threadsnake
- Southern Chestnut-breasted Wren
- Southern chromis
- Southern Climbing Rat
- Southern Colocolo
- Southern Colombian Small-eared Shrew
- Southern cut-throat eel
- Southern Cyan Tiger Moth
- Southern dog-faced bat
- Southern Dogface
- Southern driftfish
- Southern driftwood catfish
- Southern eagle ray
- Southern Elephant Seal
- Southern Emerald
- Southern Emerald-Toucanet
- Southern Eyelash Boa
- Southern fintail snipe eel
- Southern Flannel Moth
- Southern flounder
- Southern Four-eyed Opossum
- Southern frillfin
- Southern Fulmar
- Southern geoduck
- Southern Giant Mayfly
- Southern Giant-Hummingbird
- Southern Giant-Petrel
- Southern golden bat
- Southern goose barnacle
- Southern Ground Snake
- Southern Guava Skipper
- Southern hagfish
- Southern hairy-legged myotis
- Southern hake
- Southern hayworm
- Southern Highland Yellow-toothed Cavy
- Southern hoary bat
- Southern Horse Mussel
- Southern house spider
- Southern House Wren
- Southern Huemul
- Southern king crab
- Southern King Weakfish
- Southern kingcroaker
- Southern lanternfish
- Southern lanternshark
- Southern Lapwing
- Southern lightfish
- Southern little yellow-eared bat
- Southern long-nosed bat
- Southern Man-O-War
- Southern Maned Three-toed Sloth
- Southern Martin
- Southern Milky Argyria Moth
- Southern mole cricket
- Southern Monarch
- Southern Monito del Monte
- Southern Moon Jelly
- Southern Mountain Cavy
- Southern Mountain Viscacha
- Southern Muriqui
- Southern Nightingale-Wren
- Southern ocean daggertooth
- Southern opah
- Southern orange-legged leaf frog
- Southern pale-faced bat
- Southern Páramo Hocicudo
- Southern pink shrimp
- Southern pipefish
- Southern Pochard
- Southern Pudu
- Southern puffer
- Southern Pygmy Marmoset
- Southern rays bream
- Southern red bat
- Southern Red Octopus
- Southern Red Rim
- Southern red snapper
- Southern Right Whale
- Southern Right-whale Dolphin
- Southern River Otter
- Southern Robber Bee
- Southern rock bass
- Southern Rough-winged Swallow
- Southern Royal Albatross
- Southern sawtail catshark
- Southern Scarlet-eye
- Southern Screamer
- Southern Scrub-flycatcher
- Southern seadevil
- Southern sennet
- Southern Sharpnose Snake
- Southern Sickleleg
- Southern Sicklewing
- Southern sleeper shark
- Southern smoothhead glass blenny
- southern spindle-bubble
- Southern Spiny Pocket Mouse
- Southern splash tetra
- Southern Spragueia Moth
- Southern Squash Lady Beetle
- Southern stargazer
- Southern stingray
- Southern stripe-headed round-eared bat
- Southern striped raphael
- Southern Tamandua
- Southern Teardrop Crab
- Southern thorny skate
- Southern Three-banded Armadillo
- Southern walking leaf frog
- Southern white shrimp
- Southern White-eared Opossum
- Southern whitetail major
- Southern yellow bat
- Southern Yellowthroat
- Southwest Atlantic butterfish
- Souzas robber frog
- Sowbug Rice Rat
- Sowerby's fleshy limpet
- Soybean Looper Moth
- Soybean Webworm Moth
- Soza Firetip
- Spade sand skate
- Spadebill
- Spadefish
- Spadetailed Checkerboard Cichlid
- Spaghetti bryozoan
- Spaghetti eel
- Spaghetti worm
- Spangled Coquette
- Spangled Cotinga
- Spangled Cupid
- Spangled Emberwing Moth
- Spanish flag
- Spanish grunt
- Spanish hogfish
- Spanish Lobster
- Spanish Moth
- Sparano cory
- Sparing
- Spark anglemouth
- Sparkling Violetear
- Sparse Dove Snail
- Spatiosa Skipper
- Spear-nosed bat
- Spear-winged Cattleheart
- Spearfish remora
- Speck-claw Decorator Crab
- Speckle-breasted Antpitta
- Speckle-breasted Wren
- Speckle-chested Piculet
- Speckle-faced Parrot
- Speckled Anole
- Speckled blenny
- Speckled Chachalaca
- Speckled Coral Snake
- Speckled flounder
- Speckled Forest Pitviper
- Speckled Ground Snake
- Speckled guitarfish
- Speckled Hummingbird
- Speckled Mourner
- Speckled Nightingale-Thrush
- Speckled pavon
- Speckled piranha
- Speckled puffer
- Speckled Racer
- Speckled Rail
- Speckled Rain Frog
- Speckled scorpionfish
- Speckled Sea Squirt
- Speckled smooth-hound
- Speckled Spinetail
- Speckled Swimming Crab
- Speckled Tanager
- Speckled Tellin
- Speckled treefrog
- Speckled Worm Lizard
- Speckled worm-eel
- Speckled xingu cory
- Speckled-tail flounder
- Specklefin cusk eel
- Specklefin midshipman
- Spectacle worm
- Spectacled Bristle-tyrant
- Spectacled caiman
- Spectacled Duck
- Spectacled grenadier
- Spectacled Owl
- Spectacled Parrotlet
- Spectacled Petrel
- Spectacled Porpoise
- Spectacled Prickletail
- Spectacled redstart
- Spectacled Slender Opossum
- Spectacled Thrush
- Spectacled Tyrannulet
- Spectacled Tyrant
- Spectral bat
- Speer’s collared frog
- Spegazzini's Grass Mouse
- Sperm goby
- Sphinx Hairstreak
- Sphon's Chromodorid
- Spica Skipperling
- Spicule anchovy
- Spider crab
- Spider Longhorned Beetle
- Spider mite
- Spider wasp
- Spider-eye puffer
- Spiderfish
- Spiderling Plume Moth
- Spiderweb Cone Snail
- Spike Banded-Skipper
- Spike-topped Apple Snail
- Spiky oreo
- Spiky sausage sea cucumber
- Spillmann's Tapaculo
- Spine-bellied Dryad
- Spined green stink bug
- Spined pygmy shark
- Spined Silverdrop
- Spined whiff
- Spineless Silverdrop
- Spinetail
- Spinetail devil ray
- Spinetail lanternfish
- Spinner Dolphin
- Spinner shark
- Spinose Robber Bee
- Spinose skate
- Spinose stephanolona
- Spinster wrasse
- Spiny Brittle Star
- Spiny butterfly ray
- spiny Caribbean vase
- Spiny catfish
- Spiny Cochran frog
- Spiny Colobosaura
- Spiny Cup-and-Saucer
- Spiny devil katydid
- Spiny dogfish
- Spiny Feather-tongue-Cuckoo
- Spiny Jewel Box
- Spiny Lava Lizard
- Spiny lobster
- Spiny orb-weaver
- Spiny oyster
- Spiny paper cockle
- Spiny predatory katydid
- Spiny rat
- Spiny Robber Frog
- Spiny Sand Star
- Spiny sea squirt
- Spiny skate
- Spiny Slippersnail
- Spiny stargazer
- Spiny Tachina Fly
- Spiny Whorltail Iguana
- Spiny-back eel
- Spiny-chest frog
- Spiny-faced Antshrike
- Spiny-headed Tree Lizard
- Spinyback Spider Crab
- Spinycheek sleeper
- Spinycheek soldierfish
- Spinyhead blenny
- Spinythroat scorpionfish
- Spiral Keelback
- Spiral Siphonophore
- Spirit Ground Snake
- Spitting spider
- Spittlebug
- Spix's disk-winged bat
- Spix's Guan
- Spix's horned treefrog
- Spix's Macaw
- Spix's Mustached Tamarin
- Spix's Night Monkey
- Spix's Red-handed Howler
- Spix's Saddle-back Tamarin
- Spix's snouted treefrog
- Spix's Spinetail
- Spix's Warbling-antbird
- Spix's Whiptail
- Spix's white-lipped frog
- Spix's Woodcreeper
- Spix's Yellow-toothed Cavy
- Splash tetra
- Splash-backed poison frog
- Splendid alfonsino
- Splendid Arcas
- Splendid Carpenter
- Splendid Climbing Rat
- Splendid pearlfish
- Splendid tree frog
- Splendid Woodpecker
- Split-backed frog
- Split-banded Owl-Butterfly
- Split-crown Feather Duster
- Split-spotted Owl-Butterfly
- Splitbanded goby
- Splitnose searobin
- Splittail bass
- Sponge Brittle Star
- Sponge cardinalfish
- Sponge goby
- Sponge Peppermint Shrimp
- Sponge Zoanthid
- Spongy Decorator Crab
- Sponsa Hairstreak
- Spoon worm
- spot winged comb jellyfish
- Spot-backed Antbird
- Spot-backed Antshrike
- Spot-backed Antwren
- Spot-backed Puffbird
- Spot-banded Daggerwing
- Spot-banded Longtail
- Spot-billed Ground-tyrant
- Spot-billed Toucanet
- Spot-breasted Antvireo
- Spot-breasted Thornbird
- Spot-breasted Woodpecker
- Spot-celled Sister
- Spot-crowned Antvireo
- Spot-crowned Barbet
- Spot-fin porcupinefish
- Spot-flanked Gallinule
- Spot-fronted Swift
- Spot-legged poison frog
- Spot-legged turtle
- Spot-tail golden bass
- Spot-tailed Antwren
- Spot-tailed Dasher
- Spot-tailed Nightjar
- Spot-throated Hummingbird
- Spot-throated Woodcreeper
- Spot-winged Antbird
- Spot-winged Antshrike
- Spot-winged Falconet
- Spot-winged Glider
- Spot-winged Parrotlet
- Spot-winged Pigeon
- Spot-winged Wood-Quail
- Spotback corydoras
- Spotback scorpionfish
- Spotback skate
- Spotbase burrfish
- Spotcheek blenny
- Spotcheek goby
- Spotfin burrfish
- Spotfin butterflyfish
- Spotfin corydoras
- Spotfin dragonet
- Spotfin flounder
- Spotfin flyingfish
- Spotfin goby
- Spotfin hatchetfish
- Spotfin hogfish
- Spotfin porgy
- Spotfin tetra
- Spotfin tonguefish
- Spothead lantern fish
- Spotjaw blenny
- Spotless Lady Beetle
- Spotless Snapping Shrimp
- Spotstripe pencilfish
- Spottail curimata
- Spottail grunt
- Spottail leporinus
- Spottail moray
- Spotted algae-eating goby
- Spotted Anadia
- Spotted Anole
- Spotted Antbird
- Spotted Antpitta
- Spotted baleen pleco
- Spotted Bamboowren
- Spotted Barbtail
- Spotted barracudina
- Spotted Beet Webworm Moth
- Spotted blenny
- Spotted bubble shell
- spotted cleaner shrimp
- Spotted Cochran frog
- Spotted collar cory
- Spotted corydoras
- Spotted Cowrie
- Spotted croaker
- Spotted cusk-eel
- Spotted dragonet
- Spotted driftfish
- Spotted drum
- Spotted Dwarf Gecko
- Spotted fanfish
- Spotted flounder
- Spotted Foot Nudibranch
- Spotted goatfish
- Spotted Ground Snake
- Spotted grouper
- Spotted gurnard
- Spotted Hairstreak
- Spotted Hairy-eyed Sweat bee
- Spotted hatchetfish
- Spotted head sargo
- Spotted headstander
- Spotted heart-tongued frog
- Spotted Hook Pleco
- Spotted hoplo
- Spotted houndshark
- Spotted Hover Fly
- Spotted Jari Pleco
- Spotted Jelly
- Spotted leaf frog
- Spotted Leatherleaf
- Spotted leporinus
- Spotted Lightbulb Lizard
- Spotted Limpet
- Spotted Maize Beetle
- Spotted Marabá pleco
- Spotted medusa pleco
- Spotted metynnis
- Spotted moray
- Spotted Nothura
- Spotted nurse frog
- Spotted orange seam pleco
- Spotted Periwinkle
- Spotted Piculet
- Spotted pike-characin
- Spotted pike-conger
- Spotted Pink Lady Beetle
- Spotted Porcelain Crab
- Spotted Puffbird
- Spotted puffer
- Spotted Rail
- Spotted rainbow wrasse
- Spotted red-belly toad
- Spotted Robber Frog
- Spotted rocket frog
- Spotted rose snapper
- Spotted Salta livebearer
- Spotted Sandpiper
- Spotted Sawdust Pleco
- Spotted Scarlet-eye
- Spotted scorpionfish
- spotted seahare
- Spotted Severum
- Spotted sharpnosed puffer
- Spotted sleeper
- Spotted snake eel
- Spotted soapfish
- Spotted sorubim
- Spotted Spiny Lobster
- Spotted Splashing Tetra
- Spotted spoon-nose eel
- Spotted sun tegu
- Spotted swamp-eel
- Spotted Tailwing
- Spotted Tanager
- Spotted tetra
- Spotted tinselfish
- Spotted toad
- Spotted Tody-flycatcher
- Spotted Tortoise Firefly
- Spotted treefrog
- Spotted trunkfish
- Spotted unicornfish
- Spotted whiff
- Spotted Woodcreeper
- Spotted worm goby
- Spotted zebra pleco
- Spotted-flanks four-eyed frog
- Spotted-sail goby
- Spottedcheek sole
- Spottedfin sole
- Spottedfin tonguefish
- Spottedtail angler
- Spotwing
- Sprat
- Spread-wing Skipper
- Spreading-sculpture Crenella
- Spring Robber Frog
- Springtail
- Spurcheek lanternfish
- Spurred Robber Frog
- Spurrell's Worm Lizard
- Spy Hocicudo
- Spying Eyed-Metalmark
- Spying Hairstreak
- Squamate Antbird
- Square Bentwing
- Square-necked grain beetle
- Square-spotted Dasher
- Square-spotted Ministreak
- Squaretail duckbill
- Squaretail triplefin
- Squat lobster
- Squint-eyed croaker
- Squirrel Cuckoo
- Squirrelfish
- Sri Lanka Plume Moth
- Stacy's Bachia
- Staeck's dwarf cichlid
- Stag beetle
- Staghorn coral
- Stained flyingfish
- Stained Lophosis
- Stained treefrog
- Stained White-Skipper
- Stained-glass Moth
- Stalkeye scorpionfish
- Star anemone
- Star anole
- Star Arene
- Star Feather Worm
- Star pearlfish
- Star silverside
- Star-studded grouper
- Star-throated Antwren
- Stardrum
- Stareye Hermit
- Stareye lightfish
- Starfrontlet
- Stargazer
- Staring pearleye
- Stark's tube-snouted ghost knifefish
- Starks's anchovy
- Starlight bristlenose
- Starred Skipper
- Starred Wood-Quail
- Starry butterfish
- Starry Flatworm
- Starry grouper
- Starry leaf frog
- Starry moray
- Starry Night Cracker
- Starry night harlequin toad
- Starry Night Metalmark
- Starry Sky Pleco
- Starry smooth-head
- Starry toado
- Starry woodcat
- Starthroat
- Statira Sulphur
- Steamer duck
- Stearn's Dove Snail
- Steel pompano
- Steely Black-Oil bee
- Steely Orchid Bee
- Steely-vented Hummingbird
- Steeplined drum
- Steere's Spiny-rat
- Steinbach's Canastero
- Steinbach's Tuco-tuco
- Steindachner's dwarf cichlid
- Steindachner’s dwarf frog
- Steindachner's sea catfish
- Steinhauser's Skipper
- Stejneger's button frog
- Stejneger's Petrel
- Stejneger's Worm Lizard
- Stellate scale insect
- Stellate scorpionfish
- Stellated Venter Rain Frog
- Stephan's Water Frog
- Stephen's rocket frog
- Sterba's cory
- Stewart's tube-snouted ghost knifefish
- Steyer's Anadia
- Steyermark's Pancake Frog
- Stichel's Theope
- Stick grasshopper
- Stiff Pen Shell
- Stiff-spined Spiny-rat
- Stiles's Tapaculo
- Stilt
- Stilt Sandpiper
- stilt spider crab
- Stinging Bush Hydroid
- Stingless bee
- Stinker Sponge
- Stippled clingfish
- Stippled spoon-nose eel
- Stipplethroat
- Stitched Sister
- Stocky Cerith
- Stokes's Chiton
- Stoll's Aguna
- Stoll's Rosema
- Stoll's Sarota
- Stolzmann's Crab-eating Rat
- Stolzmann's lizard
- Stolzmann's Pacific Iguana
- Stolzmann's weakfish
- Stone centipede
- Stone crab
- Stone Oyster
- Stone Robber Frog
- Stone triggerfish
- Stonefly
- Stop-and-go Cicada
- Stoplight loosejaw
- Stoplight parrotfish
- Storax Skipper
- Storey anemone
- Storm petrel
- Stout Ark
- Stout beardfish
- Stout cardinalfish
- Stout moray
- Stout sardine
- Stout sawpalate
- Stout Tagelus
- Stout-billed Cinclodes
- Stovepipe Sponge
- Straight-banded Swallowtail
- Straight-billed Earthcreeper
- Straight-billed Hermit
- Straight-billed Reedhaunter
- Straight-billed Woodcreeper
- Straight-edged Skipper
- Straight-lined Seed Moth
- Straight-lined Sulphur
- Straight-lined Theope
- Strand's Groundstreak
- Straneck's Tyrannulet
- Strange big-eared brown bat
- Strange pike smelt
- Strange-stigma Skipper
- Strange-tailed Tyrant
- Strap-toothed Whale
- Straw-colored Pygmy Rice Rat
- Straw-colored Sylph
- Strawberry Cake Moth
- Strawberry Guava Scale
- Strawberry Sponge
- Strawberry Vase Sponge
- Streak-backed Antshrike
- Streak-backed Canastero
- Streak-capped Antwren
- Streak-capped Spinetail
- Streak-capped Treehunter
- Streak-chested Antpitta
- Streak-crowned Mountain Tanager
- Streak-fronted Thornbird
- Streak-headed Antbird
- Streak-headed Woodcreeper
- Streak-necked Flycatcher
- Streak-throated Bush-tyrant
- Streak-throated Canastero
- Streak-throated Hermit
- Streaked antwren
- Streaked Dacnis
- Streaked Firetip
- Streaked Flycatcher
- Streaked mojarra
- Streaked prochilod
- Streaked Saltator
- Streaked Sphinx
- Streaked Tit-spinetail
- Streaked Tuftedcheek
- Streaked Xenops
- Streaklight tubeshoulder
- Streamer bass
- Streamer fish
- Streamer searobin
- Streamer-tailed Tyrant
- Stresemann's Bristlefront
- Striate Donax
- Striate Piddock
- Striated Antbird
- Striated Antthrush
- Striated argentine
- Striated Caracara
- Striated Earthcreeper
- Striated Emesis
- Striated frogfish
- Striated Heron
- Striated Sister
- Striated Softtail
- Stridulating Stone Crab
- Strigosa Metalmark
- Striolated Manakin
- Striolated puffbird
- Striolated Tit-spinetail
- Stripe eel
- Stripe-backed Antbird
- Stripe-backed Bittern
- Stripe-backed Skimmer
- Stripe-backed Wren
- Stripe-breasted Spinetail
- Stripe-breasted Starthroat
- Stripe-chested Antwren
- Stripe-crowned Spinetail
- Stripe-faced bat
- Stripe-faced Wood-Quail
- Stripe-headed Antpitta
- Stripe-necked Tody-tyrant
- Stripe-streak
- Stripe-tailed Yellow Finch
- Stripe-throated Hermit
- Stripe-throated rocket frog
- Stripe-throated Wren
- striped anemone
- Striped Atlantic Forest Rat
- Striped Barracuda Tetra
- Striped Blue-Skipper
- Striped bonito
- Striped burrfish
- Striped cardinalfish
- Striped Clawed Gecko
- Striped codlet
- Striped croaker
- Striped Cuckoo
- Striped cusk eel
- Striped Dolphin
- Striped drum
- Striped Dung Fly
- Striped dwarf cichlid
- Striped escolar
- Striped Firetail
- Striped forest whiptail
- Striped Galapagos Snake
- Striped Gooseneck Barnacle
- Striped grunt
- Striped hairy-nosed bat
- Striped headstander
- Striped herring
- Striped Hog-nosed Skunk
- Striped hoplo
- Striped Lava Lizard
- Striped leporinus
- Striped Lightbulb Lizard
- Striped Lynx
- Striped marlin
- Striped mojarra
- Striped Nudibranch
- Striped Owl
- Striped parrotfish
- Striped Pike Cichlid
- Striped pike-characin
- Striped rabbitfish
- Striped Robber Frog
- Striped rubbernose plecostomus
- Striped Saddlebags
- Striped Sharpnose Snake
- Striped slope dragonet
- Striped smooth-hound
- Striped snouted treefrog
- Striped Swamp Snake
- Striped toad
- Striped Tree Iguana
- Striped treefrog
- Striped Treehunter
- Striped triggerfish
- Striped tubeshoulder
- Striped weakfish
- Striped woodcat
- Striped Woodcreeper
- Striped Woodhaunter
- Striped Woodpecker
- Striped Worm Lizard
- Striped yellow-eared bat
- Striped-fin surgeonfish
- Stripefin brotula
- Stripefin eartheater
- Stripesnout false moray
- Stripy cory
- Strong-billed Woodcreeper
- Strong's Sidegill
- Strongtooth Mud Crab
- Strophius Hairstreak
- Strüssmann’s snouted treefrog
- Stub-tailed Antbird
- Stub-tailed Euselasia
- Stub-tailed Morpho
- Stub-tailed Satyr
- Stub-tailed Skipper
- Stubby Hover Fly
- Stubby lanternfish
- Stump-tailed Porcupine
- Sturgeon catfish
- Sturnula Metalmark
- Stygian Owl
- Styled Fiddler Crab
- Subandean Parakeet
- Subantarctic Fur Seal
- Subaúma canebrake tree frog
- Subcaerulea Eyed-Skipper
- Subferrugineus Skipper
- Subflexus Straw Moth
- Submontane spiny-backed frog
- Suborbicular Kellyclam
- Subparallel lanternfish
- Subscripted Clito
- Subterranean Clover Weevil
- Subterranean Dart
- Subtle Scarlet-eye
- Subtropical Doradito
- Subtropical Lady
- Subtropical Pygmy-Owl
- Such's Antthrush
- Suckermouth catfish
- Suco croaker
- Sucova Skipper
- Sucre Antpitta
- Sucre Water Frog
- Sucre's glassfrog
- Suffused Saliana
- Sugar Robber Frog
- Sugarcane Beetle
- Sugarcane Borer
- Sugarcane Midget
- Suiriri Flycatcher
- Sulcated otostigma
- Sulfur Aeolid
- Sulfur Cone
- Sullied Saliana
- Sullied Skipper
- Sulphur Boring Sponge
- Sulphur butterfly
- Sulphur Metalmark
- Sulphur Sea Cucumber
- Sulphur Sponge
- Sulphur-bearded Reedhaunter
- Sulphur-bellied Flycatcher
- Sulphur-bellied Tyrannulet
- Sulphur-bellied Tyrant-manakin
- Sulphur-breasted Parakeet
- Sulphur-rumped Flycatcher
- Sulphur-throated Finch
- Sulphury Flycatcher
- Sultan pleco
- Sumaco horned treefrog
- Sumaco toadlet
- Summer Tanager
- Summers’ poison frog
- Sumptuosa Hairstreak
- sun anemone
- Sun Anemone Shrimp
- Sun Ball Sponge
- Sun Parakeet
- Sunangel
- Sunbeam
- Sunbeam lampfish
- Sunbittern
- Sunburst butterflyfish
- Sunburst Satyr
- Sunflower worm
- Sungrebe
- Sunray lettuce coral
- Sunrise tellin
- Sunset Daggerwing
- Sunset dwarf cichlid
- Sunset morpho
- Sunset wrasse
- Sunshine pleco
- Sunshinefish
- Suntiger Tarantula
- Superciliaried Hemispingus
- Superciliated Wren
- Superior Skipperling
- Surf Cinclodes
- Surf clam
- Surf eel
- Surf silverside
- Surfbird
- Surge wrasse
- Surgeonfish
- Surinam anchovy
- Surinam Caecilian
- Surinam golden-eyed treefrog
- Surinam Horned Frog
- Surinam Toad
- Suriname cory
- Suriname Grasshopper
- Suriname herring catfish
- Suriname rocket frog
- Suriname Tapeti
- Surprise Anole
- Surprising-White
- Surucua Trogon
- Suspicious lizardfish
- Swag-lined Wave
- Swainson's Flycatcher
- Swainson's Hawk
- Swainson's Thrush
- Swallow Tanager
- Swallow-tailed Cotinga
- Swallow-tailed Gull
- Swallow-tailed Hummingbird
- Swallow-tailed Kite
- Swallow-tailed Manakin
- Swallow-tailed Nightjar
- Swallow-winged Puffbird
- Swallowtail
- Swallowtail Headshield Slug
- Swamp Dancer
- Swamp Dasher
- Swamp eel
- Swamp Firetail
- Swamp guppy
- Swamp Liophis
- Swamp Racer
- Swamp rat
- Swamp Skimmer
- Swamp snake
- Swamp toothcarp
- Swarming Squat Lobster
- Sweat bee
- Sweeper
- Sweet Broom Plume Moth
- Sweet Potato Armyworm Moth
- Sweet Potato Moth
- Sweetpotato Leaf Beetle
- Sweetpotato Leafroller
- Swelling redbelly toad
- Swellshark
- Swift
- Swift-winged Sphinx
- Swimming crab
- Swimming Cynara
- Swollen Fig Shell
- Swollen Frog Shell
- swollen hairy triton
- Swollen-Knob Candelabrum
- Swollenclaw Mantis
- Sword-billed Hummingbird
- Sword-nosed bat
- Swordfin killifish
- Swordsman anole
- Swordsnout grenadier
- Swordspine croaker
- Swordspine snook
- Swordtail characin
- Swordtail jawfish
- Sychr's catfish
- Syedra Hairstreak
- Sylph
- Sylvia's Satyr
- Symmetrical Brain Coral
- Symphylan
- Taboga goby
- Tabor treefrog
- Taca Clam
- Tacarcuna Chlorospingus
- Tacarcuna Tapaculo
- Tacarcuna Warbler
- Tacarcuna Wood-Quail
- Tacarcunan bat
- Tachinid fly
- Tachira Antpitta
- Tachira rocket frog
- Tachuri
- Tacora lizard
- Taczanowski's Brushfinch
- Taczanowski's Ground-tyrant
- Taczanowski's Oldfield Mouse
- Taczanowski's Tinamou
- Taczanowsky's Dwarf Boa
- Tadapi treefrog
- Taddei's serotine
- Tadpole codling
- Tadpole shrimp
- Tagyra Hairstreak
- Tahuayo poison frog
- Tailed Aguna
- Tailed Blue Metalmark
- Tailed Cecropian
- Tailed Cycadian
- Tailed Orange
- Tailed Sulphur
- Tailed tailless bat
- Tailless bat
- Tailless Scrub-Hairstreak
- Taillight shark
- Tailspot cardinalfish
- Tailspot Cory
- Tailspot corydoras
- Tailspot goby
- Tailspot tetra
- Tailspotted dwarf cichlid
- Tailstriped Cactus Pleco
- Tajamar livebearer
- Talamanca Dancer
- Talamanca rocket frog
- Talamancan Rice Rat
- Talas Tuco-tuco
- Talking catfish
- Tall False Donax
- Tallfin croaker
- Tamá harlequin frog
- Tama Salamander
- Tama Small-eared Shrew
- Tamacuari Stefania treefrog
- Tamandua
- Tamarind Owl
- Tamarisk Sea Star
- Tamarugo Conebill
- Tambaqui
- Tambo Coral Snake
- Tambopata catfish
- Tambopata poison frog
- Tamia Rainfrog
- Taminella Groundstreak
- Tamos Hairstreak
- Tan bristlemouth
- Tan Leatherleaf Slug
- Tan Metalmark
- Tanager
- Tanager Finch
- Tanais Hairstreak
- Tananá
- Tanda’s Anole
- Tandapi giant glass frog
- Tandapi Robber Frog
- Tandayapa Andes toad
- Tandayapa giant glass frog
- Tandil Longhorn
- Tangerine tiger pleco
- Tangerini's Skipper
- Tåning’s lanternfish
- Tanna Longtail
- Tanned Blue-Skipper
- Tantalus Sphinx
- Tanti rocket frog
- Tapaculo
- Tapajos Antpitta
- Tapajos Fire-eye
- Tapajos Hermit
- Tapajos Mushroomtongue Salamander
- Tapajos rocket frog
- Tapajos Scythebill
- Tapajos Stream Pleco
- Tapajós terrestrial nest-building frog
- Tapayuna Skipper
- Tapecua Leaf-eared Mouse
- Taperinha treefrog
- Tapertail ribbonfish
- Tapeti
- Taphorn's tube-snouted ghost knifefish
- Tapichalaca treefrog
- Tapir Frog
- Tapir Robber Frog
- Taracuá spiny-backed frog
- Tarakihi
- Tarantula hawk
- Tarapaca Pacific Iguana
- Tarapacá tree frog
- Tarapoto Big-headed Frog
- Tarapoto Cochran frog
- Tarauaca snouted treefrog
- Target Tortoise Beetle
- Tarija Grass Mouse
- Tarma Andes Frog
- Tarpon
- Tarpon snook
- Tarzoo discus
- Tassled Bornella
- Tatama Climbing Salamander
- Tatama Tapaculo
- Tataupa Tinamou
- Tatayo’s glass frog
- Tate's Fat-tailed Opossum
- Tate's Firetip
- Tate's Neusticurus
- Tate's Rice Rat
- Tattler
- Taunay Teiid
- Tawny Antpitta
- Tawny blenny
- Tawny crazy ant
- Tawny Glass-snail
- Tawny Mole Cricket
- Tawny Pennant
- Tawny Theope
- Tawny Tit-spinetail
- Tawny-bellied Climbing Rat
- Tawny-bellied Hermit
- Tawny-bellied Screech-Owl
- Tawny-bellied Seedeater
- Tawny-breasted Flycatcher
- Tawny-breasted Tinamou
- Tawny-browed Owl
- Tawny-capped Euphonia
- Tawny-cornered Satyr
- Tawny-crested Tanager
- Tawny-crowned greenlet
- Tawny-faced Gnatwren
- Tawny-faced Quail
- Tawny-headed Glass-tailed Snake
- Tawny-headed Opossum
- Tawny-headed Swallow
- Tawny-rumped Tyrannulet
- Tawny-throated Dotterel
- Tawny-tufted Toucanet
- Taxes Skipper
- Taylor's Ecuador Caecilian
- Taylor's glass frog
- Taylor's Largescale Lizard
- Taylor's Peru Blind Snake
- Tayra
- Taza Skipperling
- Teachers' frog
- Teal
- Tear-drop Skipper
- Teardrop tubeshoulder
- Tegu
- Tegula Emesis
- Tegulina Penelfin
- Tehuelche Octopus
- Tehuelche scallop
- Telassa Firetip
- Telata Skipper
- Telea Hairstreak
- Telemus Hairstreak
- Telescopefish
- Telesiphe longwing
- Teleus Longtail
- Telimbela anole
- Tellin
- Temesa Hairstreak
- Temminck's Seedeater
- Temperate snouted tree frog
- Temporal Snail-eater
- Ten spotted live-bearer
- Ten-Ray Star Coral
- Tenant goby
- Tenbarbed banjo
- Tenerife Robber Frog
- Tenison’s lanternfish
- Tennessee Warbler
- Tenspine Spider Crab
- Tent Cobweb Weaver
- Tent Olive
- Tent-making bat
- Tentacle dragonfish
- Tentative Skipper
- Teotonio Falls leaf-litter toad
- Tepequém rocket frog
- Tepui Antpitta
- Tepui Bannerwing
- Tepui Brushfinch
- Tepui Elaenia
- Tepui Goldenthroat
- Tepui Parrotlet
- Tepui rocket frog
- Tepui Shinywing
- Tepui Spinetail
- Tepui Swift
- Tepui Tinamou
- Tepui Toucanet
- Tepui tree frog
- Tepui Vireo
- Tepui Whitestart
- Tepui Wren
- Tepuis treefrog
- Tequendama anole
- Terciopelo
- Terentia Hairstreak
- Teresensis flea frog
- Teresensis’ bromeliad treefrog
- Teresina de Goiás tropical bullfrog
- Teresopolis snouted treefrog
- Teresopolis treefrog
- Termite horned frog
- Ternetz's Blind Snake
- Terra Firetip
- Terraced Rice Rat
- Terrapin
- Terrific foveolaria
- Tersa Sphinx
- Tesla's Rain Frog
- Tesoro's Caecilia
- Tessellated blenny
- Testaceous Partamona
- Teta
- Tetete's treefrog
- Tetra
- Tetrastigma Skipper
- Tetricus Skipper
- Tetrio Sphinx
- Teucer Owl-Butterfly
- Texas bow-legged bug
- Texas Citrus Mite
- Texas unicorn mantis
- Texas Wasp Moth
- Teyu
- Thales's Tuco-tuco
- Thalia Skipperling
- Thama Hairstreak
- Thamyra Satyr
- Thara Hairstreak
- Thargelia Hairstreak
- Thasus Metalmark
- The Magician
- Thecla Banner
- Thekla Fritillary
- Thelersa Skipper
- Themisto amberwing
- Theona Checkerspot
- Theresia's Pacific Iguana
- Thermus Skipper
- Theseus Skipper
- Thespian Grass Mouse
- Thestia Skipper
- Thick keyhole limpet
- Thick Lucine
- Thick-billed Euphonia
- Thick-billed Miner
- Thick-billed Saltator
- Thick-billed Seed Finch
- Thick-billed Siskin
- Thick-bordered Kite-Swallowtail
- Thick-edged Kite-Swallowtail
- Thick-knee
- Thick-rimmed Sailor
- Thick-tipped Greta
- Thickbeard grenadier
- Thickbody skate
- Thicket Antpitta
- Thickhead ground snake
- Thickhead lanternfish
- Thicklipped dwarf cichlid
- Thickscale silverside
- Thickskin Robber Frog
- Thiele's fire sponge
- Thieme's Clearwing
- Thin Cyclinella
- Thin Entodesma
- Thin Finger Coral
- Thin Ground Snake
- Thin Leaf Lettuce Coral
- Thin Purse Oyster
- Thin snake eel
- Thin-fingered Fiddler Crab
- Thin-legged neocorynura
- Thin-line dwarf cichlid
- Thin-lined Owlet
- Thin-lined tree cricket
- Thin-rimmed Sailor
- Thin-tailed Kite-Swallowtail
- Thinstribed toothcarp
- Thintail skate
- Thiony's goby
- Thiony’s jawfish
- Thistletail
- Thoas Swallowtail
- Thoburn's mullet
- Thomas Lee's Rice Rat
- Thomas sea catfish
- Thomas's big-eared brown bat
- Thomas's broad-nosed bat
- Thomas's dog-faced bat
- Thomas's mastiff bat
- Thomas's Mountain Cavy
- Thomas's nectar bat
- Thomas's shaggy bat
- Thomas's Silky Anteater
- Thomas's Small-eared Shrew
- Thomas's yellow bat
- Thompson's Caecilian
- Thompson's Water Frog
- Thona Skipper
- Thordesa Hairstreak
- Thoria Hairstreak
- Thoria Skipper
- Thorn Latirus
- Thorn treehopper
- Thorn-tailed Rayadito
- Thornbill
- Thornbird
- Thornbush hydroid
- Thorned Heart Orb-weaver Spider
- Thorntail
- Thorntail Mountain Lizard
- Thornton's rocket frog
- Thorny Andes Frog
- Thorny river stingray
- Thorny stingray
- Thorny tail skate
- Thorny tinselfish
- Thorny whorltail-iguana
- Thorny-armed mantis
- Thousand Spots Pleco
- Thousand-spot Cone
- Thrasea Skipper
- Thread brotula
- Thread eel
- Thread snake
- Thread-gilled Worms
- Thread-spined goby
- Threadfin
- Threadfin acara
- Threadfin angler
- Threadfin bass
- Threadfin bonefish
- Threadfin dragonfish
- Threadfin jack
- Threadfin slickhead
- Threadtail conger
- Three beacon pleco
- Three point toothcarp
- Three-banded armadillo
- Three-banded treefrog
- Three-banded Warbler
- Three-colored blind snake
- Three-eye flounder
- Three-fingered Silent Frog
- Three-lined Groundsnake
- Three-lined snouted treefrog
- Three-scaled Groundsnake
- Three-sectioned orchid bee
- Three-spot flounder
- Three-spotted froglet
- Three-spotted Lemon Moth
- Three-spotted Metalmark
- Three-spotted Skipper
- Three-spotted treehopper
- Three-striped austral-longhorn
- Three-striped dasher
- Three-striped dwarf cichlid
- Three-striped Flycatcher
- Three-striped Hemispingus
- Three-striped poison frog
- Three-striped rocket frog
- Three-striped Smooth Ground Snake
- Three-striped Warbler
- Three-toed Guanabara Frog
- Three-toed Jacamar
- Threebanded butterflyfish
- Threelight dragonfish
- Threeline basslet
- Threespine bass
- Threespot damselfish
- Threespot eartheater
- Threespot headstander
- Threespot leporinus
- Threestripe corydoras
- Threestripe pencilfish
- Thresher shark
- Thrips
- Throated Robber Frog
- Throatspotted blenny
- Thrush-like Antpitta
- Thrush-like Wren
- Thrush-tanager
- Thumb grenadier
- Thumbless bat
- Thyesta Hairstreak
- Thymelen Robber Frog
- Tiara Cone
- Ticidas Skipperling
- Ticking Doradito
- Tidal Spray Crab
- Tidepool blenny
- Tidepool Shrimp
- Tidewater mojarra
- Tiessa Satyr
- Tiete tetra
- Tiger Anole
- Tiger Beauty
- Tiger beetle
- Tiger Crescent
- Tiger fish
- Tiger goby
- Tiger grouper
- Tiger heron
- Tiger Leafwing
- Tiger Longwing
- Tiger Lucine
- Tiger Mimic-Queen
- Tiger Mimic-White
- Tiger moth
- Tiger Pacific Iguana
- Tiger peckoltia
- Tiger Pike Cichlid
- Tiger pleco
- Tiger rat snake
- Tiger river stingray
- Tiger silver dollar
- Tiger sorubim
- Tiger Tail Sea Cucumber
- Tiger Teddy
- Tiger White
- Tiger-striped leaf frog
- Tiger-striped Metalmark
- Tiger's tree frog
- Tigerstriped catfish
- Tigerwing
- Tigrinus catfish
- Tihoneta Skipper
- Tiktik rainfrog
- Tilcayo
- Tilda's yellow-shouldered bat
- Tile Pleco
- Tilefish
- Timaeus Skipper
- Timanthes Satyr
- Timareta Longwing
- Timber fly
- Timbo Disc Frog
- Timid Hairstreak
- Timoclea Hairstreak
- Timucu
- Tinajillas Rainfrog
- Tinamou
- Tingo María Fish-eating Rat
- Tinguichaca Striped Rain Frog
- Tinsel squirrelfish
- Tinted Cantharus
- Tiny Awlsnail
- Tiny big-eared bat
- Tiny Brazilian Caecilian
- Tiny Cayenne Caecilian
- Tiny cory
- Tiny forktail
- Tiny Hawk
- Tiny Pygmy Rice Rat
- Tiny Taylor's Caecilian
- Tiny threadtail
- Tiny Tyrant-manakin
- Tiny Venezuelan Caecilian
- Tiny White Caecilian
- Tiny yellow bat
- Tiny-fingered marsupial frog
- Tipu psyllid
- Tiquie banded knifefish
- Tisias Bent-Skipper
- Tit-like Dacnis
- Tit-spinetail
- Tit-tyrant
- Titan Acorn Barnacle
- Titan Applesnail
- Titan beetle
- Titan Sphinx
- Titan Spindle Snake
- Titania melipona
- Titanic pleco
- Titanicus pleco
- Titi monkey
- Titi shrimp
- Titicaca Grebe
- Titicaca Water Frog
- Tityra
- Tityus bahiensis
- Toachi rocket frog
- Toad-headed pit viper
- Toad-headed turtle
- Toad-like Ground Frog
- Toad-wife tree frog
- Toadfish
- Toadfish goby
- Toadlet
- Toady leaf frog
- Toba Grass Mouse
- Tobacco Budworm Moth
- Tobacco slug beetle
- Tobaccofish
- Tobago coralbrotula
- Tobago False Coralsnake
- Tobago Least Geckolet
- Tobago Long-legged Palmfrog
- Tobago Stream Snake
- Tobogán de la selva rocket frog
- Tocantins swimming frog
- Tocantins Vesper Mouse
- Tocantins white-lipped frog
- Toco Toucan
- Tocuyo Sparrow
- Todd's Antwren
- Todd's Nightjar
- Todd's Sirystes
- Tody Motmot
- Tody-flycatcher
- Tody-tyrant
- Tody-tyrant-voiced nest-building frog
- Togarna Hairstreak
- Tojologue Water Frog
- Tolhuaca lizard
- Tolhuaca spiny-chest frog
- Tolima Andes Frog
- Tolima Blossomcrown
- Tolima Dove
- Tollhouse Ticlear
- Tollo
- Tomato leafminer
- Tomato Stemborer
- Tomes's Spiny-rat
- Tomtate grunt
- Tona Skipperling
- Tonchek spiny-chest frog
- Tonga Tufted-Skipper
- Tongue Auger
- Tongue-Eating Louse
- Tonguefish
- Tonkin weakfish
- Tooth Star
- Tooth-billed Hummingbird
- Tooth-billed Tanager
- Tooth-billed Wren
- Toothed Donax
- Toothed flounder
- Toothed Satyr
- Toothed whale
- Toothfish
- Top shell whelk
- Top snail
- Topaz
- Tope shark
- Toppin's Titi
- Topside lampfish
- Torfrida Brangas
- Torpedo sand perch
- Torquatus Swallowtail
- Torrent catfish
- Torrent Duck
- Torrent Tyrannulet
- Torrenteer
- Torres redbelly toad
- Torres toothcarp
- Torres' Rain Frog
- Torres's Pink-lipped Mouse
- Torrid jewel bug
- Torroto grunt
- Tortoise beetle
- Totoras Rain Frog
- Touan Short-tailed Opossum
- Toucan Barbet
- Toucanet
- Touch-me-not Sponge
- Tourmaline Sunangel
- Touzet's woodlizard
- Tovaria White
- Toxana
- Tractor Crab
- Tradescantia leaf beetle
- Tradescantia tip beetle
- Trahira
- Traihuanca spiny-chest frog
- Trailside Skipper
- Trainbearer
- Trans-Andean shovelnose catfish
- Translucent goby
- Translucent yellow crust sponge
- Translucid chimney sponge
- Transparent lantern fish
- Transparent-winged big-eared brown bat
- Transtishort Calephelis
- Transverse Ark
- Trap-jaw ant
- Trapdoor spider
- Trapeze Moth
- Trashline orbweaver
- Treadfin grenadier
- Tree boa
- Tree cattle
- Tree Cricket
- Tree finch
- Tree iguana
- Tree lizard
- Tree rat
- Tree ring sea cradle
- Tree Swallow
- Tree trapdoor spider
- Tree-hole mustache ant
- Treehopper
- Treehunter
- Treerunner
- Trench Robber Frog
- Trepador
- Trevally
- Trewavas' tonguefish
- Trex Skipper
- Triangle Barnacle
- Triangle treefrog
- Triangle Water Snake
- Triangular Saliana
- Triangular Skipper
- Tribe's Climbing Rat
- Tributary Caecilian
- Tricky Hornydick
- Tricolor poison frog
- Tricolored big-eared bat
- Tricolored Brushfinch
- Tricolored Burrowing Snake
- Tricolored Heron
- Tricolored Leafwing
- Tricolored Metalmark
- Tricorn batfish
- Trident grenadier
- Trigga Skipper
- Triggerfish
- Trigonal Tivela
- Trilling Gnatwren
- Trilling Tapaculo
- Trimaculata Skipper
- Trindade cleaner goby
- Trindade parrotfish
- Trindade Petrel
- Trindade scaled-blenny
- Trindade sweeper
- Tringa flyingfish
- Trinidad & Tobago Frog
- Trinidad anchovy
- Trinidad Bachia
- Trinidad bat-cave roach
- Trinidad Blind Snake
- Trinidad Chevron Tarantula
- Trinidad Clito
- Trinidad Copper Top Tarantula
- Trinidad Coralsnake
- Trinidad dog-like bat
- Trinidad Dwarf Tiger
- Trinidad Euphonia
- Trinidad Freshwater Crab
- Trinidad guppy
- Trinidad Motmot
- Trinidad olive tarantula
- Trinidad Pink Tarantula
- Trinidad Piping-Guan
- Trinidad poison frog
- Trinidad Ribbon Coral Snake
- Trinidad Sipo
- Trinidad small-resin bee
- Trinidad Snail-eater
- Trinidad Spiny Pocket Mouse
- Trinidad Spiny-rat
- Trinidad thick-tailed scorpion
- Trinidad Upland Parrot Snake
- Trinidad Water Rat
- Trinidadian funnel-eared bat
- Trinidadian leaf-frog
- Trinidadian Skipper
- Trinka Skipper
- Triops
- Triplefin
- Tripletail
- Triplewart seadevil
- Triplex Cutworm Moth
- Tripodfish
- Tripuí snouted tree frog
- Tristan Albatross
- Triton
- Trogon
- Trombetas knifefish
- Trombetas Stream Pleco
- Trompet knifefish
- Tropeiro Seedeater
- Tropical Anole
- Tropical big-eared brown bat
- Tropical carpenter ant
- Tropical Checkered-Skipper
- Tropical fire ant
- Tropical Flat Snake
- Tropical flounder
- Tropical Forest Snake
- Tropical fowl mite
- Tropical Gnatcatcher
- Tropical Greenstreak
- Tropical hatchetfish
- Tropical Horned Owl
- Tropical horse tick
- Tropical Kingbird
- Tropical Lightbulb Lizard
- Tropical longfin herring
- Tropical Meal Moth
- Tropical Mockingbird
- Tropical Mole Crab
- Tropical Orb Weaver
- Tropical Parula
- Tropical Pewee
- Tropical plushback
- Tropical pomfret
- Tropical Royal-flycatcher
- Tropical Screech-Owl
- Tropical shield mantis
- Tropical Snail-eater
- Tropical sprite
- Tropical Thornytail Iguana
- Tropical Tobacco Moth
- Tropical Tramp
- Tropical two-wing flyingfish
- Tropical woodskimmer
- Tropical Yellow
- Tropicalia's snouted treefrog
- Tropicbird
- Troschel's Pampas Snake
- Troschel's treefrog
- Troupial
- Truando rocket frog
- Truando toad
- True Cattleheart
- True Tulip
- Trueb's beaked toad
- Trueb's Cochran frog
- Trueb's Rainfrog
- Trueb's Water Frog
- Trujillo collared frog
- Trumbull's bonneted bat
- Trumpet Vine Moth
- Trumpeter
- Trumpeter Robber Frog
- Trumpetfish
- Truncated Caecilia
- Trypeta cuculi
- Trypeta daphne
- Trypeta discolor
- Trypeta insecta
- Tsachila snouted treefrog
- Tschudi's blind snake
- Tschudi's button frog
- Tschudi's False Coral Snake
- Tschudi's Lightbulb Lizard
- Tschudi's Nightjar
- Tschudi's Pacific Iguana
- Tschudi's Pygmy Rice Rat
- Tschudi's Slender Opossum
- Tschudi's tailless bat
- Tschudi's Tapaculo
- Tschudi's yellow-shouldered bat
- Tube sponge
- Tube worm
- Tube-eye
- Tube-lipped tailless bat
- Tube-web spider
- Tubercular anemone
- Tuberculate Pear Crab
- Tuberculate Toadhead Turtle
- Tubeshoulder
- tubular sponge hydroid
- Tucan fish
- Tucano tetra
- Tuco-tuco
- Tucuman Amazon
- Tucuman bumble bee
- Tucuman Leaf-eared Mouse
- Tucumán livebearer
- Tucuman Mountain Finch
- Tucuman Robber Frog
- Tucuman Tuco-tuco
- Tucuman Water Frog
- Tucuti Flasher
- Tucuxi
- Tudor's coffee snake
- Tuft-tailed Spiny Tree-rat
- Tufted Antshrike
- Tufted Coquette
- Tufted Flycatcher
- Tufted spiny sea cradle
- Tufted Tit-spinetail
- Tufted Tit-tyrant
- Tufted Tritonopsis
- Tuftedcheek
- Tui Parakeet
- Tukeit hill frog
- Tulip Mussel
- Tullius Metalmark
- Tumbes Hummingbird
- Tumbes Pewee
- Tumbes round stingray
- Tumbes Sparrow
- Tumbes Swallow
- Tumbes Tyrant
- Tumbesian Tyrannulet
- Tuna Crab
- Tunga Skipper
- Tungara frog
- Tungurahua Rainfrog
- Tupi toothcarp
- Turban snail
- Turbo tetra
- Turbo white-lipped frog
- Turimiquire Climbing Rat
- Turimiquire collared frog
- Turk's-cap White-Skipper
- Turkey Wing
- Turner's marsupial frog
- Turnip-tailed gecko
- Turnstone
- Turquoise cichlid
- Turquoise Cracker
- Turquoise Dacnis
- Turquoise Emperor
- Turquoise Jay
- Turquoise Longtail
- Turquoise Tanager
- Turquoise-bellied poison frog
- Turquoise-fronted Amazon
- Turquoise-throated Puffleg
- Turquoise-tipped darner
- Turquoise-winged Parrotlet
- Turrubarés toothcarp
- Turtle ant
- Turtle Ant-mimicking Crab Spider
- Turtle Barnacle
- Turtle Grass Anemone
- Turtle Leeches
- Turtle mountain tree frog
- Turumiquire Robber Frog
- Tusk shell
- Tusked goby
- Tussock moth
- Tutelina Daggerwing
- Tutumbaro Cochran frog
- Tuyú meadow katydid
- Tweedy's Crab-eating Rat
- Twenty-two-spotted woolcarder
- Twig ant
- Twig catfish
- Twilight darner
- Twilight goby
- Twin Brangas
- Twin dwarf cichlid
- Twin-sailed Salp
- Twin-striped pearleye
- Twinhorn blenny
- Twinspot bass
- Twinspot triplefin
- Twirler Moth
- Twist-necked turtle
- twisted-plait olive
- Twisted-wing parasite
- Twistwing
- Two Banded Caecilia
- Two line cory
- Two spot toothcarp
- Two-band Eulima
- Two-banded Anadia
- Two-banded Hairstreak
- Two-banded Plover
- Two-banded Puffbird
- Two-banded Sea Star
- Two-banded Warbler
- Two-barred Flasher
- Two-beaked searobin
- Two-Claw Shrimp
- Two-colored Bachia
- Two-colored Fishing Snake
- Two-colored Mussurana
- Two-colored Oval Frog
- Two-colored Robber Frog
- Two-coloured Caecilian
- Two-eyed Eighty-eight
- Two-faced Neusticurus
- Two-headed beania
- Two-headed Sipo
- Two-lined Fathead Anole
- Two-lined Ground Snake
- Two-lined Mushroomtongue Salamander
- Two-lined Robber Frog
- Two-marked Anole
- Two-pupil Satyr
- Two-spined Sea Star
- Two-spot Apistogramma
- Two-spot pike cichlid
- Two-spotted bromeliad spider
- Two-spotted cotton stainer
- Two-spotted Prepona
- Two-spotted Scarlet-eye
- Two-spotted treefrog
- Two-striped Forest Pitviper
- Two-striped Mabuya
- Two-tailed spider
- Two-tone cory
- Two-toned Groundstreak
- Two-toned Skipper
- Twosaddle corydoras
- Twospine bigscale
- Twospine driftfish
- Twospot astyanax
- Twospot blenny
- Twospot cardinalfish
- Twospot flounder
- Twospot lebiasina
- Twostripe corydoras
- Twostripe pencilfish
- Twostripe snake eel
- Twostriped dwarf cichlid
- Tyler's coralbrotula
- Tyleria Mouse Opossum
- Typhaon Skipper
- Typhon Spindle Snake
- Tyrannine Woodcreeper
- Tyrannulet
- Tyrant flycatcher
- Tyrant-manakin
- Tyrian Metaltail
- Uakari
- Uaru
- Ubaghs’ leopard lizard
- Ubatuba dwarf frog
- Uber Milk Moon Snail
- Ucamara catfish
- Ucayali Bald Uacari
- Ucayali catfish
- Ucayali South American Spiny Mouse
- Ucayali striped pim
- Ucayali Water Rat
- Uco Tuco-tuco
- Ucubis Metalmark
- Ucucha Oldfield Mouse
- Ujukam Rain Frog
- Ulapes serotine
- Ulrich Sinsch's Rubber Frog
- Ultramarine Grosbeak
- Ultramarine hover fly
- Umbrella cichlid
- Umbrella Slug
- Umbrellabird
- Umuarama Skipperling
- Una dwarf frog
- Una heart-tongued frog
- Una Humming Frog
- Una tree frog
- Unadorned Flycatcher
- Unadorned glassfrog
- Unadorned Mylon
- Unarmed hermaphroditic anemone
- Unbranched Hydroid
- Uncertain Owlet
- Uncertain Worm Lizard
- Unchog Rubber Frog
- Uncolored Clearwing-Satyr
- Uncommon sword-nosed bat
- Underwood's Spectacled Tegu
- Undistinguished sabretooth
- Unduavi Mouse Opossum
- Undulated Antpitta
- Undulated Antshrike
- Undulated Leaf-litter Snake
- Undulated Tinamou
- Unforeseen terrestrial nest-building frog
- Unicolored Antwren
- Unicolored Arboreal Rice Rat
- Unicolored Blackbird
- Unicolored Grass Mouse
- Unicolored Oldfield Mouse
- Unicolored Tapaculo
- Unicolored Thrush
- Unicolored Tree-rat
- Unicoloured Sea Lemon
- Unicorn crestfish
- Unicorn leatherjacket filefish
- Unicorn redspot
- Unicornfish
- Uniform Antshrike
- Uniform Crake
- Uniform Finch
- Uniform Treehunter
- Uniform Woodcreeper
- Union snook
- Unique Skipper
- Unknown Wainscot
- Unspotted Firewing
- Unstable paper wasp
- Unstreaked Tit-tyrant
- Unwashed Ark
- Upland Antshrike
- Upland Goose
- Upland Sandpiper
- Upper Amazon Caecilian
- Upper Amazon glass frog
- Upper Amazon stubfoot toad
- Upper Amazon treefrog
- Upper Juruá Bristly Mouse
- Upper Orinoco treefrog
- Upper Yungas Inca Hocicudo
- Upside-down jellyfish
- Upupa Hairstreak
- Urabá poison frog
- Uracoan Rattlesnake
- Urania moth
- Urania Swallowtail Moth
- Urbina Robber Frog
- Urdaneta Robber Frog
- Uribe Robber Frog
- Urich's Tyrannulet
- Urqua Skipper
- Urrao anole
- Urrao Antpitta
- Urrao Robber Frog
- Urrao rocket frog
- Urrao rocket frog (Silverstoneia erasmios)
- Ursine Red Howler
- Urticant collared frog
- Urubamba Antpitta
- Urubamba Brown Titi
- Uruçu
- Urucu cory
- Urucum Worm Lizard
- Uruguay Black Beauty Tarantula
- Uruguay harlequin frog
- Uruguay Marked Gecko
- Uruguay red belly toad
- Uruguay river sprat
- Uruguay Swamp Rat
- Uruguay tetra
- Uruguayan Colocolo
- Uruguayan coral snake
- Uruguayan eartheater
- Uruguayan Fiddler Crab
- Uruguayan lobster
- Urutu
- Uta Hick's Bearded Saki
- Utcubamba Tapaculo
- Utiariti Pygmy Rice Rat
- Utinga Surinam Toad
- Uzza Satyr
- Uzzell's Prionodactylus
- Vacuocua croaker
- Vagrant moray
- Vaillant's anchovy
- Vaillant's frog
- Vaillant's grenadier
- Valcheta frog
- Valdivia ground frog
- Valdivian Long-clawed Mouse
- Valle de Huallaga poison frog
- Valle Robber Frog
- Valle Santiago beaked toad
- Valle treefrog
- Valley Robber Frog
- Vallicula Comb Jelly
- Valparaiso chromis
- Valparaíso myotis
- Vampire Ground Finch
- Vampire squid
- Vandepoll's molly
- Vanderhaege's toad-headed turtle
- Vane-Wright's Metalmark
- Vane-Wright's Skipper
- Vane-Wrighti's Podelfin
- Vanessoides Hairstreak
- Vanzolini's Amazon frog
- Vanzolini’s Anotosaura
- Vanzolini's Bachia
- Vanzolini's Bald-faced Saki
- Vanzolini's Ground Snake
- Vanzolini's leaf frog
- Vanzolini's spiny-chest frog
- Vanzolini's Teiid
- Vanzolini's tree toad
- Vanzolini's Worm Lizard
- Vaqueira longfin herring
- Vargas Llosa's Bristly Mouse
- Vargem Alta flea toad
- Vari's angelshark
- Vari's electric eel
- Varia Dove Shell
- Variable Antshrike
- Variable Blue-Skipper
- Variable Boring Sponge
- Variable Cattleheart
- Variable Cerith
- Variable Chachalaca
- Variable cory
- Variable Cracker
- Variable Crescent
- Variable Euselasia
- Variable Firetip
- Variable Grass Mouse
- Variable Hairstreak
- Variable Hawk
- Variable lichen cicada
- Variable Metallata Moth
- Variable Narrow-wing
- Variable Oriole
- Variable Robber Frog
- Variable Scarlet-eye
- Variable Seedeater
- Variable Swallowtail
- Variable Tonicia
- Variable Tropic Moth
- Variable Whorltail Iguana
- Variable Woodpecker
- Variable Wormsnail
- Varicose Alaba
- Varied dancer
- Varied Solitaire
- Variegated Antpitta
- Variegated Bristle-tyrant
- Variegated Cutworm Moth
- Variegated deer fly
- Variegated Feather Duster
- Variegated Flycatcher
- Variegated Ground Snake
- Variegated Hairstreak
- Variegated Lasaia
- Variegated paper wasp
- Variegated Sea Urchin
- Variegated Skipper
- Variegated Snail-eater
- Variegated Spider Monkey
- Variegated Tinamou
- Variegated Tree Iguana
- Variegated Turret Snail
- Varzea Piculet
- Varzea Schiffornis
- Varzea Thrush
- Vase Garlic Sponge
- Vatinius Skipper
- Vaupes Disc Frog
- Vaupés Spindle Snake
- Vaupes treefrog
- Vaux's Swift
- Veadeiros snouted tree frog
- Veadeiros tree frog
- Veery
- Vegas Falls treefrog
- Vegetable leafminer
- Vegetable weevil
- Vegetarian Finch
- Veiled anglemouth
- Veined Ctenucha Moth
- Veined Hairstreak
- veined olive
- Veined White-Skipper
- Velez ray
- Velinus Skipper
- Vellard's Water Frog
- Velour Pleco
- Velvet ant
- Velvet Armyworm Moth
- Velvet catfish
- Velvet dogfish
- Velvet Hairstreak
- Velvet mite
- Velvet Spider Crab
- Velvet Swamp Snake
- Velvet whalefish
- Velvet worm
- Velvet-browed Brilliant
- Velvet-fronted Euphonia
- Velvet-fronted Grackle
- Velvet-purple Coronet
- Velvetbean Caterpillar Moth
- Velvetbreast
- Velvetnose brotula
- Velvety Black-tyrant
- Velvety fruit-eating bat
- Velvety Manakin
- Velvety myotis
- Velvety swamp snake
- Venancio's robber frog
- Venegas Rainfrog
- Venezuela Blind Snake
- Venezuela casque-headed frog
- Venezuela Clawed Gecko
- Venezuela Cochran frog
- Venezuela Forest Pit Viper
- Venezuela Ground Snake
- Venezuela Molly
- Venezuela round stingray
- Venezuela snouted treefrog
- Venezuelan Ameiva
- Venezuelan Beardless-tyrannulet
- Venezuelan blenny
- Venezuelan Bristle-tyrant
- Venezuelan Chevron Tarantula
- Venezuelan Climbing Rat
- Venezuelan Coastal Clawed Gecko
- Venezuelan dwarf numbfish
- Venezuelan Fish-eating Rat
- Venezuelan Flowerpiercer
- Venezuelan Flycatcher
- Venezuelan glass frog
- Venezuelan grouper
- Venezuelan Horned Frog
- Venezuelan Island Whiptail
- Venezuelan Lancehead
- Venezuelan Leaf-toed Gecko
- Venezuelan Lowland Rabbit
- Venezuelan Marsh Rat
- Venezuelan Mountain Skink
- Venezuelan Oldfield Mouse
- Venezuelan Orange-and-bronze Tarantula
- Venezuelan Parakeet
- Venezuelan Redstripe Tarantula
- Venezuelan Serdis
- Venezuelan Small-eared Shrew
- Venezuelan Sylph
- Venezuelan Troupial
- Venezuelan Tyrannulet
- Venezuelan Wood-Quail
- Ventrad spiderfish
- Venulius Hairstreak
- Venus clam
- Venus' Girdle
- Venusta Metalmark
- Venustus Skipper
- Veracruzan Ministreak
- Veragua cross-banded treefrog
- Veragua toad
- Vergens Skipper
- Vermiculate Graceful Brown Snake
- Vermiculate Snail-eater
- Vermiculated croaker
- Vermiculated goby
- Vermiculated sailfin catfish
- Vermilion Cardinal
- Vermilion Flycatcher
- Vermilion saddlebags
- Vermilion snapper
- Vermilion Tanager
- Veronica's Anole
- Versicolor Skipper
- Versicolored Barbet
- Versicolored Emerald
- Vertebral Ground Snake
- Vertebral Robber Frog
- Vertumnus Cattleheart
- Verzi's Tuco-tuco
- Vesper bat
- Vesper mouse
- Vespiform thrips
- Vestalis Metalmark
- Vetula Skipper
- Vetulus Skipper
- Vexatious Blind Snake
- Vicina Clearwing
- Victoria Skipper
- Victorian Fiddler Crab
- Victorian Lamplighter Moth
- Victorine Swallowtail
- Victrix Metalmark
- Vicuña
- Videla rockys’ lizard
- Vieira's long-tongued bat
- Vieira's Titi
- Vieira's Tree-rat
- Vieja
- Vilcabamba Brushfinch
- Vilcabamba Robber Frog
- Vilcabamba Spinetail
- Vilcabamba Tapaculo
- Vilcabamba Thistletail
- Vilhena white-lipped frog
- Villamaria Spindle Snake
- Villamizar's worm salamander
- Villarica Tree Iguana
- Villasboas' tube-snouted ghost knifefish
- Villavicencio snouted treefrog
- Vilna Firetip
- Vinaceous-breasted Amazon
- Vinca Skipperling
- Vine snake
- Vine Sphinx
- Vinha Robber Frog
- Violaceous Euphonia
- Violaceous Jay
- Violaceous orchid bee
- Violaceous Quail-Dove
- Violaceous trogon
- Violet Blanket Octopus
- Violet Globe Snail
- Violet goby
- Violet Purpura
- Violet Sea Snail
- Violet warehou
- Violet Zoanthids
- Violet-banded Skipper
- Violet-bellied Hummingbird
- Violet-capped Hummingbird
- Violet-capped Woodnymph
- Violet-chested Hummingbird
- Violet-fronted Brilliant
- Violet-headed Hummingbird
- Violet-patched Skipper
- Violet-tailed Sylph
- Violet-throated Metaltail
- Violet-throated Starfrontlet
- Violet-tipped Saliana
- Violet-washed Eyed-Metalmark
- Violet-washed Skipper
- Violet-winged grasshopper
- Violetear
- Viper moray
- Vireo
- Virgatus Scarlet-eye
- Virgin Nerite
- Virginia Rail
- Virginiana Clearwing
- Virginius Skipper
- Viricuculla Skipper
- Viridian Dacnis
- Viridian Metaltail
- Virilis Skipper
- Viscacha
- Viscacha rat
- Visendus Skipper
- Visorbearer
- Visored bat
- Vista Skipperling
- Vitreous arachnopusia
- Vivacious clubskimmer
- Vivid Skipper
- Viviparous molly
- Vivo's Rice Rat
- Vizcacheras' white-lipped frog
- Vocal dink frog
- Volcano Robber Frog
- Volcano Sponge
- Volta's electric eel
- Volute
- volute daphnelle
- Voodoo whiff
- Voracious tritonia
- Voragine's yellow-eared bat
- Voss' Porcupine
- Voss's Bristly Mouse
- Voss's Fish-eating Rat
- Voss's Short-tailed Opossum
- Vossoroca Mithras
- VRAEM treefrog
- Vráz's Robber Frog
- Vulture bee
- Vulture catfish
- Vulturine Parrot
- W Rainfrog
- Wagler's Ground Snake
- Wagler's Puffing Snake
- Wagler's Sipo
- Wagler's Snake
- Wagler's Worm Lizard
- Wagner's bonneted bat
- Wagner's common mustached bat
- Wagner's lesser mustached bat
- Wagner's white-lipped frog
- Wagtail-tyrant
- Wagter's Robber Frog
- Wahlberg's Buckeye
- Wahoo
- Wainscot Moth
- Waistcoat lanternfish
- Waiter Daggerwing
- Walckenaer's Trashline Orbweaver
- Walford's yellow tree frog
- Walker's Hawkmoth
- Walker's Moth
- Walker's Mushroomtongue Salamander
- Walker's Robber Frog
- Walker's Sierra Frog
- Walker's Slender Snake
- Walker's stubfoot toad
- Walker's Tree Iguana
- Walking Seahare
- Wall crab spider
- Wallace's Longwing
- Wallace's Sulphur
- Wallace's Theope
- Walnut Leaf-eared Mouse
- Walther's clubtail
- Wandering Albatross
- Wandering glider
- Wandering Oldfield Mouse
- Wandering Small-eared Shrew
- Wandering Snaggletooth Snail
- Wandering Tattler
- Wandolleck's button frog
- Waorani dog-faced bat
- Waorani Robber Frog
- Wara wara
- Warbler-finch
- Warbling Doradito
- Warbling finch
- Warbling Masked Flowerpiercer
- Warbling-antbird
- Ward's Skipperling
- Warming's lanternfish
- Warmwater lanternfish
- Warrah skate
- Warren's Entheus
- Warren's treefrog
- Warrior Robber Frog
- Warrior wasp
- Warsaw grouper
- Warteye stargazer
- Warthead blenny
- Warty Corallimorph
- Warty Dendrodoris
- Warty dory
- Warty Flank Rain Frog
- Warty glassfrog
- Warty leaf frog
- Warty Sea Anemone
- Warty Sidegill Slug
- Warty toad
- Warty tree toad
- Wasp goby
- Wasp moth
- Water bear
- Water boatman
- Water flea
- Water frog
- Water Hyacinth Moth
- Water hyacinth planthopper
- Water hyacinth weevil
- Water mite
- Water mouse
- Water Opossum
- Water rat
- Water scorpion
- Water strider
- Water tyrant
- Waterhouse's Mouse Opossum
- Waterthrush
- Watkins's Antpitta
- Watson's calligrapher
- Wattled Curassow
- Wattled Guan
- Wattled Jacana
- Waved Albatross
- Waved China-mark
- Wavy Bubble Snail
- Wavy Chione
- Wavy False Pug Moth
- Wavy zebra pleco
- Wavy-lined Mallow Moth
- Wax-tailed planthopper
- Waxy Gouldclam
- Wayuu sea catfish
- Weakfish
- Weapontail
- Web burrfish
- Weber's pleco
- Webspinner
- Webworm
- Weddel Spider
- Weddell's Saddle-back Tamarin
- Wedge-billed Woodcreeper
- Wedge-rumped Storm-Petrel
- Wedge-shaped Martesia
- Wedge-spotted Cattleheart
- Wedge-tailed Grass Finch
- Wedge-tailed Hillstar
- Wedging sea cucumber
- Wedgling Moth
- Weeks' Skipper
- Weeper Capuchin
- Weeping frog
- Wegener's Calloused Beach Pillbug
- Weinland's marsupial frog
- Weitzman's corydoras
- Weksler's Forest Mouse
- Wellington's Solitary Coral
- Wenchman
- Wermuth’s Toadhead Turtle
- Werner's Brazilian treefrog
- Werner's Bush Anole
- Werner's button frog
- Werner's False Coral Snake
- Werner's Ground Snake
- Werner's Largescale Lizard
- Werner's Prepona
- Werner's toad
- Werner's Worm Lizard
- West African mangrove oyster
- West Atlantic (silver) deepsea herring
- West Atlantic Mantis Shrimp
- West Atlantic Sandcastle Worm
- West Indian Bulimulus
- West Indian Cardita
- West Indian Chank Shell
- West Indian Cup-and-Saucer
- West Indian dwarf olive
- West Indian False Cerith
- West Indian fruit fly
- West Indian Fuzzy Chiton
- West Indian Green Chiton
- West Indian Manatee
- West Indian Mangrove Buckeye
- West Indian murex
- West Indian Sea Egg
- West Indian Simnia
- West Indian spider crab
- West Indian Starsnail
- West Indian Top Shell
- West Peruvian Dove
- West-Ecuadorian Forest-Racer
- Western Amazonian Dwarf Porcupine
- Western Amazonian Mouse Opossum
- Western Amazonian Rice Rat
- Western Amazonian Water Rat
- Western Andean Long-nosed Armadillo
- Western Andean plump toad
- Western Andes toad
- Western Andes treefrog
- Western Atlantic grenadier
- Western Atlantic seabream
- Western Atlantic Striped False Limpet
- Western Atlantic torpedo
- Western Basilisk
- Western Black-handed Tamarin
- Western bonneted bat
- Western broad-nosed bat
- Western catfish
- Western Cochran frog
- Western collared spiny lizard
- Western Colombian Rice Rat
- Western Colombian Small-eared Shrew
- Western Dwarf Squirrel
- Western Emerald
- Western Fire-eye
- Western Greater Long-nosed Armadillo
- Western Ground Snake
- Western Hemispingus
- Western Indigo Snake
- Western Leaf Lizard
- Western Leaf-eared Mouse
- Western Leaf-toed Gecko
- Western Lowland Olingo
- Western luminous roughy
- Western nectar bat
- Western Olivaceous Flatbill
- Western plant bug
- Western Puna Mouse
- Western Pygmy-Blue
- Western ribbon coral snake
- Western round-eared bat
- Western Sandpiper
- Western softhead grenadier
- Western Spiny Brittle Star
- Western Spotted Orbweaver
- Western Strawberry Cockle
- Western Striolated-Puffbird
- Western Tapeti
- western white shrimp
- Western Wood-pewee
- Western Woodhaunter
- Western Worm Lizard
- Western worm-eating coral snake
- Westland Petrel
- Westwood’s Satyr
- Wettstein's Andes Frog
- Wetzel's Climbing Rat
- Weygoldt's treefrog
- Weymer’s Flasher
- Whale catfish
- Whalehead dreamer
- Whalesucker
- Wharf Louse
- Wheat Armyworm Moth
- Wheel bug
- Whelk
- Whimbrel
- Whip scorpion
- Whip snake
- Whip spider
- Whipala sipo
- Whiptailed loricaria
- Whirlabout
- Whirligig beetle
- Whiskered Wren
- Whistling duck
- Whistling dwarf frog
- Whistling foam frog
- Whistling Heron
- Whistling Long-tailed Woodcreeper
- Whistling Masked Flowerpiercer
- White Angled-Sulphur
- White Atlantic Semele
- White Baby Ear
- White Bald Uacari
- White bearded ark
- White Bellbird
- White bottlebrush hydroid
- White brooding brittle star
- White butterfly
- White cory
- White dorado
- White Flannel Moth
- White grunt
- White Hawk
- White Ibis
- White margate
- White Maze Coral
- White Melampus
- White Metalmark
- White Micrathena
- White Mimic-White
- White Miniature Ark
- White Monjita
- White mullet
- White Nassa
- White Peacock
- White piranha
- White Pygmy Venus
- White Sailor
- White salema
- White Satyr
- White Scrub-Hairstreak
- White sea catfish
- White sea cradle
- White sea crust
- White Sea Star
- white sea urchin
- White snake mackerel
- White snook
- White spectacled tegu
- White spot rubbernose pleco
- White stardrum
- White stripe cory
- White striped cory
- White suckerfish
- White tern
- White Theope
- White tipped tentacle sea slug
- White trevally
- White warehou
- White witch moth
- White Woodpecker
- White Yellow
- White-banded Coral Snake
- White-banded Firetip
- White-banded Hornydick
- White-banded Mockingbird
- White-banded Mountain Satyr
- White-banded Satyr
- White-banded Swallow
- White-banded tree frog
- White-banded Tyrannulet
- White-bar Mountain Satyr
- White-barred Piculet
- White-barred Tiger
- White-base Scarlet-eye
- White-bearded Antshrike
- White-bearded Flycatcher
- White-bearded Helmetcrest
- White-bearded Hermit
- White-bearded Manakin
- White-bellied Antbird
- White-bellied Antpitta
- White-bellied Arboreal Rice Rat
- White-bellied Cinclodes
- White-bellied Dacnis
- White-bellied Grass Mouse
- White-bellied Hummingbird
- White-bellied Nothura
- White-bellied Parrot
- White-bellied Piculet
- White-bellied Pygmy-tyrant
- White-bellied Seedeater
- White-bellied Seedsnipe
- White-bellied Slender Opossum
- White-bellied Spider Monkey
- White-bellied Spinetail
- White-bellied spiny-backed frog
- White-bellied Storm-Petrel
- White-bellied Tanager
- White-bellied Tody-tyrant
- White-bellied Toro
- White-bellied Woodstar
- White-bellied Woolly Mouse Opossum
- White-bibbed Antbird
- White-bibbed Manakin
- White-blotched river stingray
- White-bordered sea slug
- White-breasted Antbird
- White-breasted Tapaculo
- White-breasted Wood Wren
- White-bridled Finch
- White-browed Antbird
- White-browed Antpitta
- White-browed Brushfinch
- White-browed Chat-tyrant
- White-browed Conebill
- White-browed Foliage-gleaner
- White-browed Gnatcatcher
- White-browed Ground-tyrant
- White-browed Guan
- White-browed Hawk
- White-browed Hemispingus
- White-browed Hermit
- White-browed Meadowlark
- White-browed Purpletuft
- White-browed Spinetail
- White-browed Tapaculo
- White-browed Tit-spinetail
- White-browed Woodpecker
- White-capped Albatross
- White-capped Dipper
- White-capped Parrot
- White-capped Tanager
- White-centred Bent Skipper
- White-cheeked Antbird
- White-cheeked Cotinga
- White-cheeked Pintail
- White-cheeked Scarlet-eye
- White-cheeked Tody-flycatcher
- White-chested Emerald
- White-chested Puffbird
- White-chested Swift
- White-chested Titi
- White-chinned Akodont
- White-chinned Jacamar
- White-chinned Petrel
- White-chinned Sapphire
- White-chinned Swift
- White-chinned Thistletail
- White-chinned Woodcreeper
- White-collared Foliage-gleaner
- White-collared Jay
- White-collared Kite
- White-collared Swift
- White-collared tarantula
- White-collared Titi
- White-crescent Longtail
- White-crescent Mottled-Skipper
- White-crested Elaenia
- White-crested Guan
- White-crested Spadebill
- White-crested Tyrannulet
- White-crossed seed bug
- White-crowned Manakin
- White-crowned Tapaculo
- White-dotted Crescent
- White-dotted redspot
- White-dotted rocket frog
- White-dotted Satyr
- White-dotted skate
- White-dotted Snout-Skipper
- White-eared Conebill
- White-eared Dwarf Squirrel
- White-eared Jacamar
- White-eared Puffbird
- White-eared Solitaire
- White-eared Titi
- White-edged Flasher
- White-edged Longtail
- White-edged Oriole
- White-edged Ruby-eye
- White-etched Hairstreak
- White-eye goby
- White-eyed Foliage-gleaner
- White-eyed Parakeet
- White-eyed Stipplethroat
- White-eyed Tody-tyrant
- White-faced Capuchin
- White-faced Ibis
- White-faced Nunbird
- White-faced Saki
- White-faced Storm-Petrel
- White-faced Tree-rat
- White-faced Whistling-Duck
- White-faced Whitestart
- White-flanked Antwren
- White-footed Climbing Rat
- White-footed Tamarin
- White-footed woods mosquito
- White-fringed Antwren
- White-fringed weevil
- White-fronted Capuchin
- White-fronted Ground-tyrant
- White-fronted Manakin
- White-fronted Nunbird
- White-fronted treefrog
- White-fronted Tyrannulet
- White-fronted Whitestart
- White-fronted Woodpecker
- White-frosted Emesis
- White-frosted Hairstreak
- White-headed Brushfinch
- White-headed Caecilian
- White-headed Marsh Tyrant
- White-headed Steamer-Duck
- White-headed worm lizard
- White-headed Wren
- White-hearted glass frog
- White-Knob Drillia
- White-line eelpout
- White-lined Antbird
- White-lined bat
- White-lined broad-nosed bat
- White-lined flea toad
- White-lined leaf frog
- White-lined Satyr
- White-lined Sphinx
- White-lined Tanager
- White-lined treefrog
- White-lipped Cercosaura
- White-lipped frog
- White-lipped mud turtle
- White-lipped Peccary
- White-lipped tree frog
- White-lored Antpitta
- White-lored Euphonia
- White-lored Spinetail
- White-lored Tyrannulet
- White-lored Warbler
- White-mantled Barbet
- White-masked Antbird
- White-mouth Turritella
- White-naped Brushfinch
- White-naped Jay
- White-naped Seedeater
- White-naped Squirrel
- White-naped Xenopsaris
- White-necked Hawk
- White-necked Jacobin
- White-necked Parakeet
- White-necked Puffbird
- White-nosed Coati
- White-notched Metalmark
- White-patched Clito
- White-patched Lasio
- White-patched Leafwing
- White-patched Ruby-eye
- White-patched Skipper
- White-plumed Antbird
- White-posted Metalmark
- White-rayed Metalmark
- White-rimmed Brushfinch
- White-rimmed Warbler
- White-ringed Flycatcher
- White-roped Glaphyria Moth
- White-ruffed Manakin
- White-rumped Hawk
- White-rumped Monjita
- White-rumped Sandpiper
- White-rumped Sirystes
- White-rumped Swallow
- White-rumped Tanager
- White-sand’s snouted treefrog
- White-shouldered Antbird
- White-shouldered Antshrike
- White-shouldered Fire-eye
- White-shouldered Tanager
- White-sided Flowerpiercer
- White-sided Hillstar
- White-signed Morphet
- White-Skipper
- White-speckled Hermit
- White-speckled treefrog
- White-spined Spiny-rat
- White-spot Drillia
- White-spot Sister
- White-spotted Agrias
- White-spotted arvelius
- White-spotted Cochran frog
- White-spotted Emesis
- White-spotted Flasher
- White-spotted Hairstreak
- White-spotted Humming Frog
- White-spotted lanternfish
- White-spotted Metalmark
- White-spotted Pike Cichlid
- White-spotted Prepona
- White-spotted puffer
- White-spotted Riolama
- White-spotted Satyr
- White-spotted Woodpecker
- White-stitched Metalmark
- White-streaked Antvireo
- White-Striped Eyed Lizard
- White-striped Longtail
- White-striped Robber Frog
- White-striped Warbler
- White-tailed Cotinga
- White-tailed Goldenthroat
- White-tailed Hawk
- White-tailed Jay
- White-tailed Kite
- White-tailed Longtail
- White-tailed Nightjar
- White-tailed Olalla Rat
- White-tailed orchid bee
- White-tailed Sabrewing
- White-tailed Shrike-tyrant
- White-tailed Starfrontlet
- White-tailed sylph
- White-tailed Tityra
- White-tailed Trogon
- White-tailed Tropicbird
- White-tailed Tyrannulet
- White-thighed Swallow
- White-throated Antbird
- White-throated Antpitta
- White-throated Barbtail
- White-throated Cacholote
- White-throated Caracara
- White-throated Crake
- White-throated Daggerbill
- White-throated Earthcreeper
- White-throated Foliage-gleaner
- White-throated Hawk
- White-throated Hummingbird
- White-throated Jacamar
- White-throated Kingbird
- White-throated Manakin
- White-throated Montane Forest Rat
- White-throated Pewee
- White-throated Piping Guan
- White-throated Quail-Dove
- White-throated Rice Rat
- White-throated round-eared bat
- White-throated Screech-Owl
- White-throated Seedeater
- White-throated Sierra Finch
- White-throated Spadebill
- White-throated Tapaculo
- White-throated thrush
- White-throated Tinamou
- White-throated Toucan
- White-throated Treerunner
- White-throated Tyrannulet
- White-throated Woodcreeper
- White-throated Woodpecker
- White-tipped Black
- White-tipped Cycadian
- White-tipped Dove
- White-tipped Ghost-Skipper
- White-tipped Oldfield Mouse
- White-tipped Plantcutter
- White-tipped Quetzal
- White-tipped Sicklebill
- White-tipped Skipper
- White-tipped Swift
- White-tipped Tailwing
- White-toothed Tuco-tuco
- White-tufted Grebe
- White-tufted Sunbeam
- White-V Trapania
- White-veined Skipper
- White-veined Tuskyhook
- White-vented Euphonia
- White-vented Plumeleteer
- White-vented Violetear
- White-wedged Piculet
- White-whiskered Hermit
- White-whiskered Puffbird
- White-whiskered Spider Monkey
- White-whiskered Spinetail
- White-winged Becard
- White-winged Black-tyrant
- White-winged Brushfinch
- White-winged Cinclodes
- White-winged Coot
- White-winged Cotinga
- White-winged dog-like bat
- White-winged Guan
- White-winged Nightjar
- White-winged Potoo
- White-winged Shrike-Tanager
- White-winged Swallow
- White-winged Tanager
- White-winged Tapaculo
- White-winged vampire bat
- White’s Bachia
- Whiteback signal blenny
- Whitebarred catfish
- Whitebelly Caecilian
- Whitebelly prawn
- Whitecheek blenny
- Whitecheek surgeonfish
- Whiteface hagfish
- Whitefin sharksucker
- Whitefin weakfish
- Whitefly
- Whiteleg shrimp
- Whitemargin smoothhound
- Whitemargin unicornfish
- Whitemouth croaker
- Whitemouth skate
- Whitened Bluewing
- Whitened Crescent
- Whitened Eyed-Metalmark
- Whitened Faceted-Skipper
- Whitened Flasher
- Whitened Ipidecla
- Whitened Metron
- Whitenose Blind Snake
- Whitenose pipefish
- Whitenose shark
- Whitesaddled catshark
- Whiteside pencilfish
- Whitesnout guitarfish
- Whitesnout searobin
- Whitespot ghost shark
- Whitespot moray
- Whitespotted boxfish
- Whitespotted eagle ray
- Whitespotted filefish
- Whitestar cardinalfish
- Whitestart
- Whitetail Lancehead
- Whitetail reeffish
- Whitetip
- Whitetip flyingfish
- Whitetip reef shark
- Whitetongue jack
- Whitewashed Euselasia
- Whitson's grenadier
- Whole fin toothcarp
- Whooping Motmot
- Whorltail iguana
- Wide cory
- Wide Ground Snake
- Wide halftooth characin
- Wide-collared lichen cicada
- Wide-mesh Sea Fan
- Widemouth Rocksnail
- Widespread Bent-Skipper
- Widespread Brangas
- Widespread Eighty-eight
- Widespread Ghost-Skipper
- Widespread Myscelus
- Widespread Peacock-Skipper
- Widespread Skipperling
- Wied's Fathead Anole
- Wied's Keelback
- Wied's Marmoset
- Wied's Tyrant-manakin
- Wiegmann's Tree Lizard
- Wiens' Robber Frog
- Wiens' Water Frog
- Wigeon
- Wild olive tortoise beetle
- Wild's Rainfrog
- Wild's Robber Frog
- Wilder's Blind Snake
- Wiley's glassfrog
- Wilhelmina Cochran frog
- Willet
- William's coralbrotula
- William’s Toadhead Turtle
- William's tonguefish
- Williams-Mittermeier Anole
- Williams' Anole
- Williams' Ground Snake
- Williams' Tree Snake
- Williams' Variable Sea Urchin
- Williamson’s marsupial frog
- Willis's Antbird
- Willow Flycatcher
- Wilson's bonneted bat
- Wilson's Phalarope
- Wilson's Plover
- Wilson's Snipe
- Wilson's Storm-Petrel
- Wimple piranha
- Window-winged Moth
- Windward Cribo
- Windward Islands Ditchfrog
- Wine Robber Frog
- Wine-glass Hydroids
- Wine-tinted Oenobotys Moth
- Wing Shell
- Wing-banded Antbird
- Wing-banded Hornero
- Wing-banded Wren
- Wing-barred Piprites
- Wing-barred Seedeater
- Winged dragonfish
- Wingfin anchovy
- Wingfin snaggletooth
- Winter climbing salamander
- Wire Coral Shrimp
- Wire-crested Thorntail
- Wire-tailed Manakin
- Wisner's lanternfish
- Wispy threadtail
- Witch guitarfish
- Witch moth
- Withered Mocis
- Wobbly Keyhole Limpet
- Wokomung massif emerald-barred frog
- Wolf cory
- Wolffsohn's Leaf-eared Mouse
- Wolffsohn's Mountain Viscacha
- Wolverine Pleco
- Wood quail
- Wood rail
- Wood Sprite Opossum
- Wood Stork
- Wood turtle
- Wood wren
- Wood-pewee
- Wood's brown cone
- Woodall's Slender Opossum
- Woodcreeper
- Woodeating lasiancistrus
- Woodhaunter
- Woodland Oldfield Mouse
- Woodley's Stefania
- Woodlizard
- Woodnymph
- Woodpecker Finch
- Woodpecker fly
- Woodstar
- Woolly carpenter bee
- Woolly false vampire bat
- Woolly Giant Rat
- Woolly monkey
- Woolly nightshade lace bug
- Woolly opossum
- Woolly Soft-haired Mouse
- Woolly whitefly
- Worley's Leaf Frog
- worm cucumber
- Worm eel
- Worm line peckoltia
- Worm lizard
- Worm pearlfish
- Worm salamander
- Worm snake
- Worm-patterned Caecilian
- Wormfish
- Worontzow's Spotted Night Snake
- Worthy longhorn bee
- Wounded wrasse
- Wrasse
- Wreath Tree Iguana
- Wreckfish
- Wren-like Rushbird
- Wrestler frog
- Wrinkle-faced bat
- Wrinkled snake eel
- Wucherer's Ground Snake
- Wucherer's Lizard-eating Snake
- Wucherer's Worm Lizard
- X-ray tetra
- Xantha Skipperling
- Xanthicles Owl-Butterfly
- Xanthina Skipper
- Xanthippe Firetip
- Xantho Skipper
- Xantholeuce Skipper
- Xapuri treefrog
- Xarina Skipper
- Xarippe Skipper
- Xavier's Hairstreak
- Xenops
- Xeric treefrog
- Xicca Skipperling
- Xingu Bristly Mouse
- Xingu Cory
- Xingu corydoras
- Xingú headstander
- Xingu Lipbrooder
- Xingu Scale-backed Antbird
- Xingu Scythebill
- Xingu Silky Anteater
- Yacambú collared frog
- Yacare caiman
- Yacuri marsupial frog
- Yaku glassfrog
- Yam Babybody Snail
- Yanachaga toad
- Yanayacu Robber Frog
- Yanesha tree microtegu
- Yánez Rain Frog
- Yanez's Tree Iguana
- Yano's snipe eel
- Yantzaza's Rainfrog
- Yapacana Antbird
- Yapacana white-lipped frog
- Yapima shield frog
- Yapitya Robber Frog
- Yapitya rocket frog
- Yariguíes Salamander
- Yarmal Mushroomtongue Salamander
- Yasuni bromeliad treefrog
- Yasuni Rain Frog
- Yasuni rocket frog
- Yasuní treefrog
- Yates's big-eared bat
- Yates's Tuco-tuco
- Yavi Rainfrog
- Yawning stardrum
- Ybyra Climbing Rat
- Yellow acara
- Yellow Acorn Worm
- Yellow anaconda
- Yellow Angled-Sulphur
- Yellow Arboreal Rice Rat
- Yellow bat
- Yellow big-headed ant
- Yellow blenny
- Yellow bobo
- Yellow Box Crab
- Yellow Cardinal
- Yellow clam
- Yellow conger
- Yellow cory
- Yellow cururu toad
- Yellow Diacme Moth
- Yellow encrusting anemone
- Yellow Fanworm
- Yellow finch
- yellow finger marsh crab
- Yellow fire wasp
- Yellow furry-legs
- Yellow goatfish
- Yellow head cory
- Yellow heart-tongued frog
- Yellow jack
- Yellow Metalmark
- Yellow mimic oil-digger
- Yellow Mocis Moth
- Yellow Moon Sponge
- Yellow Mussel
- Yellow Nose Shrimp
- Yellow Oriole
- Yellow painted frog
- Yellow peacock bass
- Yellow Pencil Coral
- Yellow Prickly Cockle
- Yellow Pygmy Rice Rat
- Yellow rabbit characin
- Yellow Scallop Moth
- Yellow sea chub
- Yellow Sea Whip
- Yellow Seam Stream Pleco
- Yellow snake eel
- Yellow snapper
- Yellow Speckled Tree-rat
- Yellow Spragueia Moth
- Yellow stingray
- Yellow tegu
- Yellow tetra
- Yellow Tube Sponge
- Yellow Tyrannulet
- Yellow Umbrella Slug
- Yellow uruçu bee
- Yellow warbler
- Yellow-backed Oriole
- Yellow-backed Tanager
- Yellow-banded basslet
- Yellow-banded Birdeater
- Yellow-banded Eighty-eight
- Yellow-banded Pinktoe Tarantula
- Yellow-banded pitted-resin bee
- Yellow-banded poison dart frog
- Yellow-banded Skipper
- Yellow-barred Skipper
- Yellow-bellied Chat-tyrant
- Yellow-bellied Climbing Rat
- Yellow-bellied Dacnis
- Yellow-bellied Elaenia
- Yellow-bellied sea snake
- Yellow-bellied Seedeater
- Yellow-bellied Siskin
- Yellow-bellied stream frog
- Yellow-bellied Tanager
- Yellow-bellied Water Frog
- Yellow-billed Cacique
- Yellow-billed Cardinal
- Yellow-billed Cuckoo
- Yellow-billed Jacamar
- Yellow-billed Nunbird
- Yellow-billed Pintail
- Yellow-billed Teal
- Yellow-billed Tern
- Yellow-billed Tit-tyrant
- Yellow-blotched flea toad
- Yellow-bottomed Theope
- Yellow-breasted Antpitta
- Yellow-breasted Antwren
- Yellow-breasted Brushfinch
- Yellow-breasted Capuchin
- Yellow-breasted Crake
- Yellow-breasted Flatbill
- Yellow-breasted Warbling-antbird
- Yellow-bridled Finch
- Yellow-browed Antbird
- Yellow-browed Shrike-Vireo
- Yellow-browed Sparrow
- Yellow-browed Tody-flycatcher
- Yellow-browed Toucanet
- Yellow-browed Tyrant
- Yellow-brown wrasse
- Yellow-centered Metalmark
- Yellow-cheeked becard
- Yellow-chevroned Parakeet
- Yellow-chinned Spinetail
- Yellow-collared Chlorophonia
- Yellow-collared Macaw
- Yellow-crested Tanager
- Yellow-crowned Amazon
- Yellow-crowned Brush-tailed Rat
- Yellow-crowned Elaenia
- Yellow-crowned Manakin
- Yellow-crowned Night-Heron
- Yellow-crowned Tyrannulet
- Yellow-crowned Whitestart
- Yellow-eared bat
- Yellow-eared Parrot
- Yellow-eared Toucanet
- Yellow-eared Woodpecker
- Yellow-edged Firetip
- Yellow-edged moray
- Yellow-edged Ruby-eye
- Yellow-faced Grassquit
- Yellow-faced Parrot
- Yellow-faced Parrotlet
- Yellow-faced Siskin
- Yellow-footed tortoise
- Yellow-fronted Woodpecker
- yellow-green candle sponge
- Yellow-green Grosbeak
- Yellow-green Tanager
- Yellow-green Vireo
- Yellow-handed Titi
- Yellow-headed Brushfinch
- Yellow-headed Caecilian
- Yellow-headed Calico Snake
- Yellow-headed Caracara
- Yellow-headed gecko
- Yellow-headed Manakin
- Yellow-headed Sipo
- Yellow-hooded Blackbird
- Yellow-knobbed Curassow
- Yellow-legged darner
- Yellow-legged Thrush
- Yellow-legged Tinamou
- Yellow-lined Bachia
- Yellow-lined skimmer
- Yellow-lored Tanager
- Yellow-mandibled Sparrow
- Yellow-margined Flatbill
- Yellow-margined leaf beetle
- Yellow-mouth pikeblenny
- Yellow-nosed Albatross
- Yellow-olive Flatbill
- Yellow-painted poison-arrow frog
- Yellow-patched Bent-Skipper
- Yellow-rimmed Eighty-eight
- Yellow-rimmed Scarlet-eye
- Yellow-rimmed Skipper
- Yellow-rumped Antwren
- Yellow-rumped Cacique
- Yellow-rumped Leaf-eared Mouse
- Yellow-rumped Marshbird
- Yellow-rumped Siskin
- Yellow-scarfed Tanager
- Yellow-shouldered Amazon
- Yellow-shouldered bat
- Yellow-shouldered calligrapher
- Yellow-shouldered Grosbeak
- Yellow-spiked Ur-Satyr
- Yellow-spotted Andes Frog
- Yellow-spotted Cochran frog
- Yellow-spotted golden bass
- Yellow-spotted Kite-Swallowtail
- Yellow-spotted river turtle
- Yellow-spotted Ruby-eye
- Yellow-spotted Scallop
- Yellow-spotted Telemiades
- Yellow-stained Skipper
- Yellow-striped Armyworm Moth
- Yellow-striped Brushfinch
- Yellow-striped poison frog
- Yellow-striped turret bee
- Yellow-tailed Oriole
- Yellow-tailed Woolly Monkey
- Yellow-throated Antwren
- Yellow-throated Chlorospingus
- Yellow-throated Flycatcher
- Yellow-throated nightingale-thrush
- Yellow-throated Spadebill
- Yellow-throated Tanager
- Yellow-throated Toucan
- Yellow-throated Vireo
- Yellow-throated Woodpecker
- Yellow-tipped Flasher
- Yellow-toed treefrog
- Yellow-tongued Anole
- Yellow-tufted Dacnis
- Yellow-tufted Woodpecker
- Yellow-veined Moth
- Yellow-vented Woodpecker
- Yellow-washed Ruby-eye
- Yellow-whiskered Chlorospingus
- Yellow-winged Blackbird
- Yellow-winged Flatbill
- Yellow-winged Pareuchaetes Moth
- Yellowbanded Coral Shrimp
- Yellowbanded Skipper
- Yellowbelly Arthrosaura
- Yellowbelly hamlet
- Yellowbelly poison frog
- Yellowbelly Snake
- Yellowbelly snouted treefrog
- Yellowcheek wrasse
- Yellowedge grouper
- Yelloweye croaker
- Yellowface pikeblenny
- Yellowfin bass
- Yellowfin grouper
- Yellowfin herring
- Yellowfin jack
- Yellowfin mojarra
- Yellowfin notothen
- Yellowfin river pellona
- Yellowfin snook
- Yellowfin surgeonfish
- Yellowhead jawfish
- Yellowhead wrasse
- Yellowhump eartheater
- Yellowish myotis
- Yellowish Pipit
- Yellowish Rice Rat
- Yellowleg shrimp
- Yellowlegs
- Yellowline Arrow Crab
- Yellowline goby
- Yellowmouth grouper
- Yellownose goby
- Yellownose skate
- Yellowprow goby
- Yellowspotted grunt
- Yellowspotted Stream Pleco
- Yellowstem dragonfish
- Yellowstripe grunt
- Yellowtail amberjack
- Yellowtail bass
- Yellowtail Blind Snake
- Yellowtail damselfish
- Yellowtail hamlet
- Yellowtail snapper
- Yellowtail triplefin
- Yellowtailed dwarf cichlid
- Yellowthroat
- Yellowtip damselfish
- Yepez' tube-snouted ghost knifefish
- Yojoa Scrub-Hairstreak
- Yonenaga's Spiny-rat
- Yonenga Worm Snake
- Ypiranga button frog
- Yumbo Rainfrog
- Yumbo riama
- Yungas coral snake
- Yungas Grass Mouse
- Yungas Guan
- Yungas Long-nosed Armadillo
- Yungas Manakin
- Yungas Pygmy-Owl
- Yungas Rice Rat
- Yungas Sparrow
- Yungas Tody-tyrant
- Yungas tree frog
- Yungas Tyrannulet
- Yungas Warbler
- Yuraccyacu Robber Frog
- Yurimaguas poison frog
- Yuruani glass frog
- Yuruaní Rainfrog
- Yustiz's Robber Frog
- Zabaleta anchovy
- Zagaia treefrog
- Zaher's Shadow Snake
- Zalates Skipper
- Zale Moth
- Zamora Robber Frog
- Zamoran Shadow Snake
- Zamurito
- Zapadores Robber Frog
- Zapala frog
- Zapala Skipper
- Zapallaren Tree Iguana
- Zaparo's poison frog
- Zapatero rocket frog
- Zarza glassfrog
- Zava Hairstreak
- Zavaleta glasswing
- Zebra Acara
- zebra apple snail
- Zebra catfish
- Zebra cockroach
- Zebra Conchylodes Moth
- Zebra Knifefish
- Zebra Longwing
- Zebra moray
- Zebra Nerite
- Zebra Periwinkle
- Zebra Pike Cichlid
- Zebra pleco
- Zebra shrimp
- Zebra-striped Hairstreak
- Zebra-tipped Metalmark
- Zebratail cory
- Zebrette goby
- Zela Skipper
- Zeledon's Antbird
- Zeledon's Mouse Opossum
- Zelinda's parrotfish
- Zephus Mylon
- Zera Skipper
- Zereda Skipper
- Zeutus Banded-Skipper
- ZGAP Ground Snake
- Ziba Scrub-Hairstreak
- Zidok's Ground Snake
- Ziegler's stingless bee
- Zigzag Firetip
- Zigzag Heron
- Zigzag Scallop
- Zikan's Skipper
- Zilpa Longtail
- Zimmer's Antbird
- Zimmer's Tapaculo
- Zimmer's Tody-tyrant
- Zimmer's Woodcreeper
- Zimmerman's Robber Frog
- Zimmermanns' poison frog
- Zina Sister
- Zino's Petrel
- Zip hydroid
- Zipper sand skate
- Zisa Skipper
- Zoanthid
- Zodiac Tree Iguana
- Zohra Scarlet-eye
- Zombie Crab
- Zombie frog
- Zombie pleco
- Zona Firetip
- Zonara Skipper
- Zone-tailed Hawk
- Zonia Skipper
- Zorilla Sootywing
- Zucchini catfish
- Zugmayer's pearleye
- Zulia Toadhead Turtle
- Zuniga's Dark Rice Rat
60 ptsRare280 answersShow answersHide answers
Uncommon — only a minority of players land here.
- Agouti
- Albacore
- Albatross
- Amazon parrot
- Amazon River Dolphin
- Amazonian Manatee
- American crocodile
- Anchovy
- Andean Bear
- Andean Condor
- Angelfish
- Anglerfish
- Aphid
- Arapaima
- Armadillo
- Army ant
- Atlantic bluefin tuna
- Barn owl
- Barnacle
- Barracuda
- Basilisk
- Basking shark
- Bass
- Bear
- Birdeater
- Blackbird
- Blobfish
- Blue marlin
- Blue tang surgeonfish
- Blue Whale
- Blue-and-yellow Macaw
- Blue-footed Booby
- Booby
- Bottlenose dolphin
- Box jellyfish
- Brown bat
- Bull shark
- Bullet ant
- Bumblebee
- Burrowing Owl
- Buzzard
- Caiman
- Cane toad
- Capuchin monkey
- Carpenter ant
- Carpenter bee
- Catfish
- Centipede
- Chinchilla
- Cicada
- Clam
- Conch
- Condor
- Conure
- Coral snake
- Cormorant
- Cottontail
- Crab
- Crane fly
- Crayfish
- Cricket
- Cuckoo
- Darwin's finch
- Deer
- Dogfish
- Dolphin
- Dove
- Dragonfly
- Duck
- Eagle
- Earwig
- Eel
- Egret
- Elephant seal
- Falcon
- Finch
- Fire ant
- Firefly
- Flamingo
- Flatfish
- Flatworm
- Flea
- Flounder
- Flying fish
- Fox
- Fruit bat
- Fruit fly
- Fur seal
- Galapagos Penguin
- Gecko
- Giant Anteater
- Giant Armadillo
- Giant centipede
- Giant Otter
- Giant squid
- Giant tortoise
- Glass frog
- Glowworm
- Gnat
- Golden poison frog
- Goldfinch
- Goliath birdeater
- Goose
- Great white shark
- Green anaconda
- Green iguana
- Green sea turtle
- Ground beetle
- Grouper
- Guinea pig
- Gull
- Guppy
- Hammerhead shark
- Harpy Eagle
- Harvestman
- Hawk
- Hawksbill sea turtle
- Hermit crab
- Heron
- Herring
- Hoatzin
- Horned frog
- Horned owl
- Horsefly
- House spider
- Howler monkey
- Hummingbird
- Humpback Whale
- Huntsman spider
- Hyacinth Macaw
- Ibis
- Inchworm
- Jay
- Jellyfish
- Jumping spider
- June bug
- Kestrel
- King crab
- King Penguin
- Kingfisher
- Krill
- Ladybug
- Lamprey
- Leafcutter ant
- Leatherback sea turtle
- Leech
- Lobster
- Locust
- Loggerhead sea turtle
- Louse
- Mackerel
- Mahi-mahi
- Mako shark
- Manatee
- Maned Wolf
- Manta ray
- Marine iguana
- Marlin
- Marmoset
- Millipede
- Mite
- Mockingbird
- Monarch butterfly
- Moray
- Morpho
- Mouse
- Mullet
- Mussel
- Ocelot
- Octopus
- Opossum
- Orca
- Osprey
- Otter
- Owl
- Oyster
- Panther
- Parakeet
- Parrotfish
- Patagonian toothfish
- Pelican
- Penguin
- Peregrine Falcon
- Pigeon
- Pit viper
- Porcupine
- Porpoise
- Portuguese man o' war
- Potoo
- Praying mantis
- Pufferfish
- Puma
- Pygmy marmoset
- Quail
- Quetzal
- Rabbit
- Raccoon
- Rat
- Rattlesnake
- Ray
- Red-bellied piranha
- Red-eyed tree frog
- Rhea
- Rhinoceros beetle
- River dolphin
- River otter
- Rockhopper Penguin
- Roundworm
- Sailfish
- Salamander
- Sand dollar
- Sandpiper
- Sardine
- Sawfish
- Scallop
- Scarlet Macaw
- Screech owl
- Sea anemone
- Sea bass
- Sea cucumber
- Sea lion
- Sea turtle
- Sea urchin
- Seahorse
- Seal
- Shark
- Shrew
- Shrimp
- Skate
- Skink
- Skunk
- Slug
- Snapper
- Snapping turtle
- Sparrow
- Sperm Whale
- Spider monkey
- Sponge
- Spoonbill
- Squid
- Squirrel
- Squirrel monkey
- Starfish
- Stick insect
- Stingray
- Stink bug
- Stork
- Swallow
- Swan
- Swordfish
- Tamarin
- Tapeworm
- Tapir
- Termite
- Tern
- Three-toed sloth
- Thrush
- Tick
- Tiger shark
- Tree snake
- Tuna
- Turkey Vulture
- Two-toed sloth
- Vampire bat
- Viper
- Vulture
- Wandering spider
- Warbler
- Water snake
- Weasel
- Weevil
- Whale
- Whale shark
- White-tailed Deer
- Widow spider
- Wolf spider
- Woodlouse
- Woodpecker
- Wren
- Yellowfin tuna
30 ptsSchooler38 answersShow answersHide answers
A solid, middling pick shared with plenty of other players.
- Alpaca
- Anaconda
- Ant
- Anteater
- Bat
- Bee
- Beetle
- Boa
- Boa Constrictor
- Butterfly
- Capybara
- Caterpillar
- Cockroach
- Crocodile
- Earthworm
- Electric eel
- Fly
- Frog
- Galápagos tortoise
- Grasshopper
- Iguana
- Lizard
- Macaw
- Mosquito
- Moth
- Poison dart frog
- Scorpion
- Snail
- Snake
- Spider
- Tarantula
- Toad
- Tortoise
- Toucan
- Tree frog
- Turtle
- Wasp
- Worm
10 ptsPlankton6 answersShow answersHide answers
The most common answer on the board.
- Jaguar
- Llama
- Monkey
- Parrot
- Piranha
- Sloth