Name a mammal that lives underground

The rarest possible answer — almost no player finds it.

• Pink fairy armadillo— Four inches long, it swims through Argentine sand like water.

Genuinely obscure. Most players never think of it.

• Aardwolf
• Afghan pika
• African brush-tailed porcupine
• African clawless otter
• African spiny mouse
• African striped weasel
• Agile kangaroo rat
• Agouti
• Alashan ground squirrel
• Alay mole vole
• Alexander's kusimanse
• Allegheny cottontail
• Allen's chipmunk
• Alpine chipmunk
• Altai mole
• Amami rabbit
• Amazon weasel
• American badger
• American ermine
• American hog-nosed skunk
• American shrew mole
• American water shrew
• Ammodile
• Amur hedgehog
• Anatolian blind mole-rat
• Andean fox
• Andean hairy armadillo
• Andean tapeti
• Anderson's cujuchi
• Andrews's three-toed jerboa
• Angolan kusimanse
• Angolan slender mongoose
• Annamite striped rabbit
• Ansell's mole-rat
• Antelope squirrel
• Aquitanian mole
• Arctic ground squirrel
• Arends's golden mole
• Arfak pygmy bandicoot
• Argentine tuco-tuco
• Asia Minor ground squirrel
• Asian badger
• Asian small-clawed otter
• Asiatic brush-tailed porcupine
• Attwater's pocket gopher
• Back-striped weasel
• Bailey's pocket mouse
• Baird's pocket gopher
• Baja California rock squirrel
• Balikun jerboa
• Balkan mole
• Baluchistan pygmy jerboa
• Bamboo rat
• Banded mongoose
• Bandicoot rat
• Bank vole
• Banner-tailed kangaroo rat
• Barbary ground squirrel
• Bare-bellied hedgehog
• Bat-eared fox
• Belding's ground squirrel
• Bengal fox
• Berg's tuco-tuco
• Bettong
• Bidau's tuco-tuco
• Big pocket gopher
• Big-eared hopping mouse
• Big-eared kangaroo rat
• Birch mouse
• Black-backed jackal
• Black-capped marmot
• Black-footed mongoose
• Blanford's jerboa
• Blind mole
• Blind mole-rat
• Bobak marmot
• Bobrinski's jerboa
• Bocage's mole-rat
• Boehm's gerbil
• Bog lemming
• Bogota tapeti
• Bolivian tuco-tuco
• Bonetto's tuco-tuco
• Boodie
• Bornean ferret-badger
• Botta's pocket gopher
• Brandt's ground squirrel
• Brandt's hedgehog
• Brandt's vole
• Brazilian three-banded armadillo
• Brazilian tuco-tuco
• Bridges's degu
• Brower's marmot
• Brown hyena
• Brown lemming
• Bukovina blind mole-rat
• Buller's chipmunk
• Buller's pocket gopher
• Bunyoro rabbit
• Burmese ferret-badger
• Bushveld sengi
• Bushy-tailed jird
• Bushy-tailed mongoose
• Cactus mouse
• California chipmunk
• California kangaroo rat
• California pocket mouse
• Camas pocket gopher
• Campbell's dwarf hamster
• Cane rat
• Cape dune mole-rat
• Cape fox
• Cape gerbil
• Cape golden mole
• Cape gray mongoose
• Cape ground squirrel
• Cape mole-rat
• Cape porcupine
• Cape short-eared gerbil
• Cascade golden-mantled ground squirrel
• Catamarca tuco-tuco
• Caucasian badger
• Caucasian mole
• Caucasian mountain ground squirrel
• Central American tapeti
• Central Texas pocket gopher
• Chacoan mara
• Chacoan naked-tailed armadillo
• Chacoan tuco-tuco
• Chalchalero viscacha rat
• Cherrie's pocket gopher
• Chilean rock rat
• Chinese bamboo rat
• Chinese ferret-badger
• Chinese hamster
• Chinese mole shrew
• Chinese pangolin
• Chinese striped hamster
• Chinese zokor
• Chiriqui pocket gopher
• Chisel-toothed kangaroo rat
• Ciscaucasian hamster
• Clara's echymipera
• Cliff chipmunk
• Coast mole
• Coastal tapeti
• Colburn's tuco-tuco
• Collared lemming
• Collared mongoose
• Collared tuco-tuco
• Colombian tapeti
• Colombian weasel
• Colorado chipmunk
• Columbian ground squirrel
• Comb-toed jerboa
• Common dwarf mongoose
• Common kusimanse
• Common mole-rat
• Common shrew
• Common slender mongoose
• Common vole
• Congo clawless otter
• Congo golden mole
• Conover's tuco-tuco
• Contreras' tuco-tuco
• Corsac fox
• Coruro
• Cotton rat
• Coyhaique tuco-tuco
• Crab-eating fox
• Crab-eating mongoose
• Cuban solenodon
• D'Orbigny's tuco-tuco
• Damaraland mole-rat
• Darien pocket gopher
• Dark kangaroo mouse
• Darwin's fox
• Daurian ground squirrel
• Daurian hedgehog
• Daurian pika
• David's echymipera
• De Winton's golden mole
• Desert bandicoot
• Desert cottontail
• Desert hedgehog
• Desert kangaroo rat
• Desert pocket gopher
• Desert pocket mouse
• Desert warthog
• Desman
• Desmarest's spiny pocket mouse
• Dice's cottontail
• Dobson's shrew tenrec
• Douglas ground squirrel
• Duke of Bedford's vole
• Dulzura kangaroo rat
• Dune mole-rat
• Durango chipmunk
• Dusky hopping mouse
• Duthie's golden mole
• Dwarf fat-tailed jerboa
• Dwarf mongoose
• East African root rat
• East African springhare
• Eastern long-beaked echidna
• Eastern mole
• Eastern mole vole
• Eastern spotted skunk
• Echigo mole
• Ecuadorian tapeti
• Egyptian mongoose
• Elliot's short-tailed shrew
• Emily's tuco-tuco
• Erika's tuco-tuco
• Espiritu Santo antelope squirrel
• Etendeka round-eared sengi
• Ethiopian dwarf mongoose
• Euphrates jerboa
• Eurasian beaver
• Eurasian otter
• Eurasian pygmy shrew
• Eurasian water shrew
• European ground squirrel
• European hamster
• European hedgehog
• European mink
• European mole
• European polecat
• European water vole
• Eversmann's hamster
• False zokor
• Famatina tuco-tuco
• Fat sand rat
• Fat-tailed gerbil
• Fawn hopping mouse
• Ferret-badger
• Field vole
• Five-toed pygmy jerboa
• Flamarion's tuco-tuco
• Flat-headed kusimanse
• Foch's tuco-tuco
• Forest-steppe marmot
• Formosan ferret-badger
• Four-striped grass mouse
• Four-toed jerboa
• Four-toed rice tenrec
• Franklin's ground squirrel
• Fresno kangaroo rat
• Fulvous tapeti
• Furtive tuco-tuco
• Fynbos golden mole
• Gambian mongoose
• Gambian pouched rat
• Gansu hamster
• Gansu mole
• Gansu pika
• Gaoligong forest hedgehog
• Ghana mole-rat
• Giant armadillo
• Giant blind mole-rat
• Giant golden mole
• Giant kangaroo rat
• Giant otter
• Giant pangolin
• Giant pocket gopher
• Giant root-rat
• Gobi jerboa
• Golden viscacha rat
• Golden-mantled ground squirrel
• Goldman's pocket gopher
• Goodfellow's tuco-tuco
• Goya tuco-tuco
• Gracile shrew mole
• Grant's golden mole
• Gray marmot
• Gray-collared chipmunk
• Gray-footed chipmunk
• Great Basin pocket mouse
• Great gerbil
• Great jerboa
• Greater bandicoot rat
• Greater bilby
• Greater blind mole-rat
• Greater Chinese mole
• Greater Egyptian jerboa
• Greater fairy armadillo
• Greater fat-tailed jerboa
• Greater grison
• Greater hedgehog tenrec
• Greater hog badger
• Greater long-nosed armadillo
• Greater long-tailed hamster
• Greater naked-tailed armadillo
• Grey dwarf hamster
• Grison
• Gulf Coast kangaroo rat
• Gunning's golden mole
• Gunnison's prairie dog
• Haida ermine
• Haig's tuco-tuco
• Hairy long-nosed armadillo
• Hairy-footed gerbil
• Hairy-nosed otter
• Hairy-tailed mole
• Hall's pocket gopher
• Harris's antelope squirrel
• Heermann's kangaroo rat
• Heptner's pygmy jerboa
• Highland streaked tenrec
• Highland tuco-tuco
• Highveld golden mole
• Highveld mole-rat
• Himalayan marmot
• Himalayan mole
• Hispaniolan solenodon
• Hispid cotton rat
• Hispid pocket gopher
• Hoary bamboo rat
• Hoary fox
• Hoary marmot
• Hog badger
• Hooded skunk
• Hopi chipmunk
• Hopping mouse
• Hotson's jerboa
• Hottentot golden mole
• Hugh's hedgehog
• Humboldt's hog-nosed skunk
• Ibicui tuco-tuco
• Idaho pocket gopher
• Indian brown mongoose
• Indian crested porcupine
• Indian gerbil
• Indian grey mongoose
• Indian hedgehog
• Indian long-eared hedgehog
• Indian pangolin
• Inquisitive shrew mole
• Insular mole
• Iranian jerboa
• Jackson's mongoose
• Japanese badger
• Japanese mole
• Japanese mountain mole
• Japanese shrew mole
• Japanese weasel
• Javan ferret-badger
• Javan mongoose
• Jird
• Jujuy tuco-tuco
• Juliana's golden mole
• Kafue mole-rat
• Kam dwarf hamster
• Kangaroo mouse
• Kano's mole
• Kataba mole-rat
• Kazakhstan blind mole-rat
• Kirchner's viscacha rat
• Kit fox
• Kloss's mole
• Knox Jones's pocket gopher
• Kozlov's pygmy jerboa
• Kusimanse
• Kuznetsov's mole
• La Touche's mole
• Ladakh dwarf hamster
• Lago Blanco tuco-tuco
• Lami tuco-tuco
• Large bamboo rat
• Large-eared tenrec
• Least chipmunk
• Least weasel
• Lessa's tuco-tuco
• Lesser bamboo rat
• Lesser bandicoot rat
• Lesser blind mole-rat
• Lesser Egyptian jerboa
• Lesser fat-tailed jerboa
• Lesser grison
• Levant mole
• Lewis's tuco-tuco
• Liberian mongoose
• Lichtenstein's jerboa
• Little ground squirrel
• Llanos long-nosed armadillo
• Lodgepole chipmunk
• Long-clawed ground squirrel
• Long-clawed mole vole
• Long-eared chipmunk
• Long-eared hedgehog
• Long-eared jerboa
• Long-nosed mole
• Long-nosed mongoose
• Long-tailed dwarf hamster
• Long-tailed ground squirrel
• Long-tailed hopping mouse
• Long-tailed marmot
• Long-tailed mole
• Long-tailed porcupine
• Lowland paca
• Lowland streaked tenrec
• Magellanic tuco-tuco
• Malawian mole-rat
• Malayan porcupine
• Malayan weasel
• Malaysian mole
• Mandarin vole
• Marbled polecat
• Marley's golden mole
• Marsh mongoose
• Marsupial mole
• Martino's mole
• Mashona mole-rat
• Masked shrew
• Matabeleland mole-rat
• Maule tuco-tuco
• Mazama pocket gopher
• Mechow's mole-rat
• Medog mole
• Mehely's blind mole-rat
• Meller's mongoose
• Mendoza tuco-tuco
• Menzbier's marmot
• Merriam's chipmunk
• Merriam's ground squirrel
• Merriam's kangaroo rat
• Merriam's pocket gopher
• Mexican cottontail
• Mexican ground squirrel
• Mexican long-nosed armadillo
• Mexican mole
• Mexican prairie dog
• Mexican spiny pocket mouse
• Michoacan pocket gopher
• Middle East blind mole-rat
• Mitchell's hopping mouse
• Mohave ground squirrel
• Mole shrew
• Mole vole
• Mole-like rice tenrec
• Molina's hog-nosed skunk
• Mongolian five-toed jerboa
• Mongolian hamster
• Mongolian three-toed jerboa
• Montane vole
• Moon-toothed degu
• Mottled tuco-tuco
• Mountain beaver
• Mountain cottontail
• Mountain degu
• Mountain paca
• Mountain pocket gopher
• Mountain vole
• Mountain weasel
• Moupin pika
• Multimammate mouse
• Namaqua dune mole-rat
• Namib round-eared sengi
• Narrow-headed vole
• Natal mole-rat
• Natterer's tuco-tuco
• Nelson's kangaroo rat
• Neotropical otter
• New England cottontail
• Ngoc Linh mole
• Nicefor's tapeti
• Nigerian mole-rat
• North African hedgehog
• Northern broad-footed mole
• Northern hairy-nosed wombat
• Northern hog badger
• Northern hopping mouse
• Northern Idaho ground squirrel
• Northern marsupial mole
• Northern mole vole
• Northern naked-tailed armadillo
• Northern pocket gopher
• Northern short-tailed shrew
• Northern tapeti
• Northern three-toed jerboa
• Northern white-breasted hedgehog
• Norway lemming
• Nubra pika
• Numbat
• Ochre mole-rat
• Ognev's mole
• Oltenia blind mole-rat
• Olympic marmot
• Omilteme cottontail
• Ord's kangaroo rat
• Oriental Basin pocket gopher
• Orlov's mole
• Paca
• Pacific degu
• Palawan stink badger
• Pale fox
• Pale kangaroo mouse
• Pallid ground squirrel
• Pallid pygmy jerboa
• Palmer's chipmunk
• Pampas fox
• Panamanian spiny pocket mouse
• Panamint chipmunk
• Panamint kangaroo rat
• Patagonian weasel
• Pearson's tuco-tuco
• Pebble mound mouse
• Peludo
• Père David's mole
• Perote ground squirrel
• Perote pocket gopher
• Peruvian tuco-tuco
• Philippine porcupine
• Phillips's kangaroo rat
• Pichi
• Pilar tuco-tuco
• Piute ground squirrel
• Plains pocket gopher
• Plains pocket mouse
• Plains rat
• Plains viscacha
• Plains viscacha rat
• Plateau pika
• Pocket mouse
• Podolsk blind mole-rat
• Porter's rock rat
• Pouched gerbil
• Pouched rat
• Pousargues's mongoose
• Przewalski's gerbil
• Pundt's tuco-tuco
• Puntilla tuco-tuco
• Pygmy gerbil
• Pygmy jerboa
• Pygmy rabbit
• Pygmy spotted skunk
• Pyrenean desman
• Rakali
• Red-cheeked ground squirrel
• Red-tailed chipmunk
• Reddish tuco-tuco
• Reed vole
• Reig's tuco-tuco
• Relict ground squirrel
• Ricardo Ojeda's degu
• Rice tenrec
• Richardson's ground squirrel
• Ring-tailed ground squirrel
• Rio Grande ground squirrel
• Rio Negro tuco-tuco
• Robust cottontail
• Robust golden mole
• Robust tuco-tuco
• Rock rat
• Rock squirrel
• Roig's tuco-tuco
• Roman mole
• Romanian hamster
• Root rat
• Rothschild's zokor
• Rough-haired golden mole
• Round-eared sengi
• Round-tailed ground squirrel
• Round-tailed muskrat
• Ruddy mongoose
• Rüppell's fox
• Russet ground squirrel
• Russian desman
• Sado mole
• Sage's rock rat
• Sagebrush vole
• Saharan striped polecat
• Salta tuco-tuco
• San Joaquin antelope squirrel
• San Juan tuco-tuco
• San Luis tuco-tuco
• San Quintin kangaroo rat
• Sand cat
• Sand Hills pocket gopher
• Sand rat
• Sandy blind mole-rat
• Santa Cruz kangaroo rat
• Santa Marta tapeti
• Savile's bandicoot rat
• Scaglia's tuco-tuco
• Sclater's golden mole
• Screaming hairy armadillo
• Sechuran fox
• Selous's mongoose
• Sengi
• Senkaku mole
• Seven-banded armadillo
• Severtzov's jerboa
• Short-beaked echidna
• Short-faced mole
• Short-snouted sengi
• Short-tailed bandicoot rat
• Short-tailed hopping mouse
• Short-tailed mongoose
• Short-tailed shrew
• Shrew mole
• Siberian chipmunk
• Siberian lemming
• Siberian weasel
• Siberian zokor
• Sierra Madre ground squirrel
• Sierra Tontal tuco-tuco
• Silky tuco-tuco
• Silvery mole-rat
• Sir David's long-beaked echidna
• Siskiyou chipmunk
• Six-banded armadillo
• Small five-toed jerboa
• Small Indian mongoose
• Small Japanese mole
• Small-toothed forest hedgehog
• Small-toothed mole
• Smith's zokor
• Smoky pocket gopher
• Smooth-coated otter
• Snow Mountain shrew mole
• Social tuco-tuco
• Sokoke dog mongoose
• Sokolov's dwarf hamster
• Solenodon
• Somali golden mole
• Somali hedgehog
• Somali striped mole-rat
• Somalian slender mongoose
• Sonoma chipmunk
• South African springhare
• South American gray fox
• Southeastern pocket gopher
• Southern African hedgehog
• Southern broad-footed mole
• Southern grasshopper mouse
• Southern hairy-nosed wombat
• Southern Idaho ground squirrel
• Southern long-nosed armadillo
• Southern marsupial mole
• Southern mole vole
• Southern naked-tailed armadillo
• Southern pocket gopher
• Southern river otter
• Southern short-tailed shrew
• Southern spotted skunk
• Southern three-banded armadillo
• Southern tuco-tuco
• Southern white-breasted hedgehog
• Spanish mole
• Speckled ground squirrel
• Spinifex hopping mouse
• Spiny pocket mouse
• Spotted ground squirrel
• Spotted skunk
• Spotted-necked otter
• Springhare
• Steinbach's tuco-tuco
• Stephens's kangaroo rat
• Steppe lemming
• Steppe pika
• Steppe polecat
• Stink badger
• Strecker's pocket gopher
• Stripe-necked mongoose
• Striped ground squirrel
• Striped hog-nosed skunk
• Striped hyena
• Striped polecat
• Strong tuco-tuco
• Stuhlmann's golden mole
• Sumatran hog badger
• Sumatran porcupine
• Sumatran striped rabbit
• Sunda porcupine
• Sunda stink badger
• Suriname tapeti
• Swamp rabbit
• Swift fox
• Szechuan vole
• Tailless tenrec
• Taiwan vole
• Talas tuco-tuco
• Talysch mole
• Tapeti
• Tarbagan marmot
• Tasmanian devil
• Taurus ground squirrel
• Tawny tuco-tuco
• Temminck's ground pangolin
• Tenrec
• Texas antelope squirrel
• Texas kangaroo rat
• Texas pocket gopher
• Thales's tuco-tuco
• Thick-spined porcupine
• Thick-tailed pygmy jerboa
• Thick-tailed three-toed jerboa
• Thirteen-lined ground squirrel
• Thomas's pika
• Thomas's pygmy jerboa
• Three-banded armadillo
• Tian Shan ground squirrel
• Tibetan fox
• Tiny tuco-tuco
• Townsend's chipmunk
• Townsend's ground squirrel
• Townsend's mole
• Townsend's pocket gopher
• Transbaikal zokor
• Transcaucasian mole vole
• Tres Marias cottontail
• Tropical ground squirrel
• Tropical pocket gopher
• True's shrew mole
• Tsing-ling pika
• Tuco-tuco
• Tucuman tuco-tuco
• Tundra vole
• Turkish hamster
• Uinta chipmunk
• Uinta ground squirrel
• Underwood's pocket gopher
• Unstriped ground squirrel
• Ussuri mole
• Utah prairie dog
• Van Zyl's golden mole
• Vancouver Island marmot
• Variable pocket gopher
• Venezuelan lowland rabbit
• Vietnam ferret-badger
• Vietnamese mole
• Vinogradov's jerboa
• Vipos tuco-tuco
• Visagie's golden mole
• Viscacha
• Viscacha rat
• Volcán de Toluca pocket gopher
• Volcano rabbit
• Washington ground squirrel
• Water vole
• Web-footed tenrec
• Western long-beaked echidna
• Western spotted skunk
• Western tapeti
• White-eared pocket mouse
• White-footed mouse
• White-tailed antelope squirrel
• White-tailed mole
• White-tailed mongoose
• White-tailed prairie dog
• White-toothed tuco-tuco
• Williams's jerboa
• Wood mouse
• Woodland jumping mouse
• Woodland vole
• Wyoming ground squirrel
• Wyoming pocket gopher
• Yates' tuco-tuco
• Yellow golden mole
• Yellow ground squirrel
• Yellow mongoose
• Yellow-bellied weasel
• Yellow-cheeked chipmunk
• Yellow-faced pocket gopher
• Yellow-pine chipmunk
• Yepes's mulita
• Yolanda's tuco-tuco
• Zaisan mole vole
• Zambian mole-rat
• Zokor

Uncommon — only a minority of players land here.

• African crested porcupine
• Alpine marmot
• American beaver
• American mink
• Arctic fox
• Bandicoot
• Bare-nosed wombat
• Beaver
• Black-footed ferret
• Black-tailed prairie dog
• California ground squirrel
• Chinchilla
• Cottontail
• Deer mouse
• Degu
• Dwarf hamster
• Eastern chipmunk
• Eastern cottontail
• Echidna
• European badger
• European rabbit
• Fennec fox
• Field mouse
• Four-toed hedgehog
• Gerbil
• Golden mole
• Grasshopper mouse
• Hedgehog
• Honey badger
• House mouse
• Hyena
• Jackal
• Jerboa
• Kangaroo rat
• Lemming
• Long-tailed weasel
• Mara
• Marmot
• Meadow vole
• Mink
• Mongolian gerbil
• Mongoose
• Muskrat
• Nine-banded armadillo
• North American river otter
• Northern grasshopper mouse
• Norway rat
• Nutria
• Otter
• Pangolin
• Pika
• Platypus
• Polecat
• Porcupine
• Prairie vole
• Raccoon dog
• Roborovski hamster
• Shrew
• Skunk
• Spotted hyena
• Star-nosed mole
• Stoat
• Striped skunk
• Syrian hamster
• Vole
• Warthog
• Weasel
• Winter white dwarf hamster
• Yellow-bellied marmot

A solid, middling pick shared with plenty of other players.

• Aardvark
• Armadillo
• Badger
• Chipmunk
• Ferret
• Fox
• Ground squirrel
• Hamster
• Meerkat
• Mole-rat
• Mouse
• Naked mole-rat
• Rat
• Wombat

The most common answer on the board.

• Gopher
• Groundhog
• Mole
• Prairie dog
• Rabbit