The taxonomy of this list is based on my global mammalwatching checklist, available here.

As at September 28 2024

OPOSSUMS (DIDELPHIDAE) (4/13)
Northern Black-eared Opossum (Didelphis marsupialis)
Virginia Opossum (D.virginiana)
Northern Four-eyed Opossum (Philander vossi)
Tehuantepec Gray Mouse Opossum (Tlacuatzin canescens) – endemic
LONG-NOSED ARMADILLOS (DASYPODIDAE) (1/1)
Nine-banded Armadillo (Dasypus novemcinctus)
MANATEES (TRICHECHIDAE) (1/1)
West Indian Manatee (Trichechus manatus)
GREAT APES (HOMINIDAE) (1/0)
Human (Homo sapiens)
SPIDER, HOWLER, AND WOOLLY MONKEYS (ATELIDAE) (2/3)
Mantled Howler (Alouatta palliata)
Central American Spider Monkey (Ateles geoffroyi)
HARES AND RABBITS (LEPORIDAE) (19/27)
Antelope Jackrabbit (Lepus alleni) – endemic
Snowshoe Hare (L.americanus) – endemic
Arctic Hare (L.arcticus) – endemic
Black-tailed Jackrabbit (L.californicus) – endemic
White-sided Jackrabbit (L.callotis) – endemic
Tehuantepec Jackrabbit (L.flavigularis) – endemic
White-tailed Jackrabbit (L.townsendii) – endemic
Volcano Rabbit (Romerolagus diazi) – endemic
Swamp Rabbit (Sylvilagus aquaticus) – endemic
Desert Cottontail (S.audubonii) – endemic
Brush Rabbit (S.bachmani) – endemic
Mexican Cottontail (S.cunicularius) – endemic
Eastern Cottontail (S.floridanus)
Robust Cottontail (S.holzneri) – endemic
Pygmy Rabbit (S.idahoensis) – endemic
Mountain Cottontail (S.nuttallii) – endemic
Appalachian Cottontail (S.obscurus) – endemic
Marsh Rabbit (S.palustris) – endemic
New England Cottontail (S.transitionalis) – endemic
PIKAS (OCHOTONIDAE) (2/2)
Collared Pika (Ochotona collaris) – endemic
American Pika (O.princeps) – endemic
AGOUTIS AND ACOUCHIS (DASYPROCTIDAE) (2/2)
Mexican Agouti (Dasyprocta mexicana) – endemic
Central American Agouti (D.punctata)
NEW WORLD PORCUPINES (ERETHIZONTIDAE) (1/2)
North American Porcupine (Erethizon dorsatum) – endemic
SPINY RATS AND  HUTIAS (ECHIMYIDAE) (2/12)
Hispaniolan Hutia (Plagiodontia aedium) – endemic
Coypu (Myocastor coypus) – introduced
MOUNTAIN BEAVERS (APLODONTIIDAE) (1/1)
Mountain Beaver (Aplodontia rufa) – endemic
SQUIRRELS (SCIURIDAE) (79/89)
Humboldt’s Flying Squirrel (Glaucomys oregonensis) – endemic
Northern Flying Squirrel (G.sabrinus) – endemic
Southern Flying Squirrel (G.volans)
Abert’s Squirrel (Sciurus aberti) – endemic
Allen’s Squirrel (S.alleni) – endemic
Arizona Gray Squirrel (S.arizonensis) – endemic
Red-bellied Squirrel (S.aureogaster)
Eastern Gray Squirrel (S.carolinensis) – endemic
Collie’s Squirrel (S.colliaei) – endemic
Deppe’s Squirrel (S.deppei)
Western Gray Squirrel (S.griseus) – endemic
Mexican Fox Squirrel (S.nayaritensis) – endemic
Eastern Fox Squirrel (S.niger) – endemic
Peters’s Squirrel (S.oculatus) – endemic
Yucatan Squirrel (S.yucatanensis)
Douglas’s Squirrel (Tamiasciurus douglasii) – endemic
Fremont’s Squirrel (T.fremonti) – endemic
North American Red Squirrel (T.hudsonicus) – endemic
Harris’s Antelope Squirrel (Ammospermophilus harrisii) – endemic
Texas Antelope Squirrel (A.interpres) – endemic
White-tailed Antelope Squirrel (A.leucurus) – endemic
Nelson’s Antelope Squirrel (A.nelsoni) – endemic
Common Golden-mantled Ground Squirrel (Callospermophilus lateralis) – endemic
Cascade Golden-mantled Ground Squirrel (C.saturatus) – endemic
Gunnison’s Prairie Dog (Cynomys gunnisoni) – endemic
White-tailed Prairie Dog (C.leucurus) – endemic
Black-tailed Prairie Dog (C.ludovicianus) – endemic
Mexican Prairie Dog (C.mexicanus) – endemic
Utah Prairie Dog (C.parvidens) – endemic
Mexican Ground Squirrel (Ictidomys mexicanus) – endemic
Rio Grande Ground Squirrel (I.parvidens) – endemic
Thirteen-lined Ground Squirrel (I.tridecemlineatus) – endemic
Alaska Marmot (Marmota broweri) – endemic
Hoary Marmot (M.caligata) – endemic
Yellow-bellied Marmot (M.flaviventris) – endemic
Woodchuck (M.monax) – endemic
Olympic Marmot (M.olympus) – endemic
Vancouver Island Marmot (M.vancouverensis) – endemic
California Ground Squirrel (Otospermophilus beecheyi) – endemic
Common Rock Squirrel (O.variegatus) – endemic
Franklin’s Ground Squirrel (Poliocitellus franklinii) – endemic
Uinta Ground Squirrel (Urocitellus armatus) – endemic
Belding’s Ground Squirrel (U.beldingi) – endemic
Idaho Ground Squirrel (U.brunneus) – endemic
Merriam’s Ground Squirrel (U.canus) – endemic
Columbian Ground Squirrel (U.columbianus) – endemic
Wyoming Ground Squirrel (U.elegans) – endemic
Piute Ground Squirrel (U.mollis) – endemic
Arctic Ground Squirrel (U.parryii)
Richardson’s Ground Squirrel (U.richardsonii) – endemic
Townsend’s Ground Squirrel (U.townsendii) – endemic
Washington Ground Squirrel (U.washingtoni) – endemic
Mohave Ground Squirrel (Xerospermophilus mohavensis) – endemic
Perote Ground Squirrel (X.perotensis) – endemic
Spotted Ground Squirrel (X.spilosoma) – endemic
Round-tailed Ground Squirrel (X.tereticaudus) – endemic
Alpine Chipmunk (Neotamias alpinus) – endemic
Yellow-pine Chipmunk (N.amoenus) – endemic
Gray-footed Chipmunk (N.canipes) – endemic
Gray-collared Chipmunk (N.cinereicollis) – endemic
Crater Chipmunk (N.cratericus) – endemic
Cliff Chipmunk (N.dorsalis) – endemic
Merriam’s Chipmunk (N.merriami) – endemic
Least Chipmunk (N.minimus) – endemic
California Chipmunk (N.obscurus) – endemic
Yellow-cheeked Chipmunk (N.ochrogenys) – endemic
Palmer’s Chipmunk (N.palmeri) – endemic
Panamint Chipmunk (N.panamintinus) – endemic
Long-eared Chipmunk (N.quadrimaculatus) – endemic
Colorado Chipmunk (N.quadrivittatus) – endemic
Red-tailed Chipmunk (N.ruficaudus) – endemic
Hopi Chipmunk (N.rufus) – endemic
Shadow Chipmunk (N.senex) – endemic
Siskiyou Chipmunk (N.siskiyou) – endemic
Sonoma Chipmunk (N.sonomae) – endemic
Lodgepole Chipmunk (N.speciosus) – endemic
Townsend’s Chipmunk (N.townsendii) – endemic
Uinta Chipmunk (N.umbrinus) – endemic
Eastern Chipmunk (Tamias striatus) – endemic
BEAVERS (CASTORIDAE) (1/1)
North American Beaver (Castor canadensis) – endemic
POCKET GOPHERS (GEOMYIDAE) (18/37)
Yellow-faced Pocket Gopher (Cratogeomys castanops) – endemic
Oriental Basin Pocket Gopher (C.fulvescens) – endemic
Smoky Pocket Gopher (C.fumosus) – endemic
Merriam’s Pocket Gopher (C.merriami) – endemic
Desert Pocket Gopher (Geomys arenarius) – endemic
Attwater’s Pocket Gopher (G.attwateri) – endemic
Baird’s Pocket Gopher (G.breviceps) – endemic
Plains Pocket Gopher (G.bursarius) – endemic
Jones’s Pocket Gopher (G.knoxjonesi) – endemic
Texas Pocket Gopher (G.personatus) – endemic
Strecker’s Pocket Gopher (G.streckeri) – endemic
Llano Pocket Gopher (G.texensis) – endemic
Botta’s Pocket Gopher (Thomomys bottae) – endemic
Camas Pocket Gopher (T.bulbivorus) – endemic
Western Pocket Gopher (T.mazama) – endemic
Mountain Pocket Gopher (T.monticolus) – endemic
Northern Pocket Gopher (T.talpoides) – endemic
Townsend’s Pocket Gopher (T.townsendii) – endemic
KANGAROO RATS AND POCKET MICE (HETEROMYIDAE) (40/62)
Agile Kangaroo Rat (Dipodomys agilis) – endemic
California Kangaroo Rat (D.californicus) – endemic
Gulf Coast Kangaroo Rat (D.compactus) – endemic
Desert Kangaroo Rat (D.deserti) – endemic
Texas Kangaroo Rat (D.elator) – endemic
Heermann’s Kangaroo Rat (D.heermanni) – endemic
Giant Kangaroo Rat (D.ingens) – endemic
Merriam’s Kangaroo Rat (D.merriami) – endemic
Chisel-toothed Kangaroo Rat (D.microps) – endemic
San Joaquin Kangaroo Rat (D.nitratoides) – endemic
Ord’s Kangaroo Rat (D.ordii) – endemic
Panamint Kangaroo Rat (D.panamintinus) – endemic
Phillips’s Kangaroo Rat (D.phillipsii) – endemic
Dulzura Kangaroo Rat (D.simulans) – endemic
Banner-tailed Kangaroo Rat (D.spectabilis) – endemic
Stephens’s Kangaroo Rat (D.stephensi) – endemic
Narrow-faced Kangaroo Rat (D.venustus) – endemic
Dark Kangaroo Mouse (Microdipodops megacephalus) – endemic
Pallid Kangaroo Mouse (M.pallidus) – endemic
Mexican Spiny Pocket Mouse (Heteromys irroratus) – endemic
Painted Spiny Pocket Mouse (H.pictus)
Dalquest’s Pocket Mouse (Chaetodipus ammophilus) – endemic
Little Desert Pocket Mouse (C.arenarius) – endemic
Bailey’s Pocket Mouse (C.baileyi) – endemic
California Pocket Mouse (C.californicus) – endemic
San Diego Pocket Mouse (C.fallax) – endemic
Long-tailed Pocket Mouse (C.formosus) – endemic
Hispid Pocket Mouse (C.hispidus) – endemic
Rock Pocket Mouse (C.intermedius) – endemic
Nelson’s Coarse-haired Pocket Mouse (C.nelsoni) – endemic
Desert Pocket Mouse (C.penicillatus) – endemic
Southern Sinaloan Pocket Mouse (C.pernix) – endemic
Peninsular Pocket Mouse (C.rudinoris) – endemic
Cerralvo Island Pocket Mouse (C.siccus) – endemic
Spiny Pocket Mouse (C.spinatus) – endemic
Arizona Pocket Mouse (Perognathus amplus) (?) – endemic
Silky Pocket Mouse (P.flavus) – endemic
San Joaquin Pocket Mouse (P.inornatus) – endemic
Little Pocket Mouse (P.longimembris) – endemic
Merriam’s Pocket Mouse (P.merriami) – endemic
Great Basin Pocket Mouse (P.mollipilosus) – endemic
JUMPING MICE (ZAPODIDAE) (4/10)
Western Woodland Jumping Mouse (Napaeozapus abietorum) – endemic
Northern Meadow Jumping Mouse (Zapus hudsonius) – endemic
Northwestern Jumping Mouse (Z.saltator) – endemic
Northern Pacific Jumping Mouse (Z.trinotatus) – endemic
HAMSTERS, VOLES, LEMMINGS, AND ALLIES (CRICETIDAE) (97/218)
Southern Red-backed Vole (Clethrionomys gapperi) – endemic
Northern Red-backed Vole (C.rutilus)
Nearctic Collared Lemming (Dicrostonyx groenlandicus)
Nearctic Brown Lemming (Lemmus trimucronatus) – endemic
Southern Bog Lemming (Synaptomys cooperi) – endemic
Sagebrush Vole (Lemmiscus curtatus) – endemic
California Vole (Microtus californicus) – endemic
Gray-tailed Vole (M.canicaudus) – endemic
Western Meadow Vole (M.drummondii) – endemic
Long-tailed Vole (M.longicaudus) – endemic
Mexican Vole (M.mexicanus)
Mogollon Vole (M.mogollonensis) – endemic
Montane Vole (M.montanus) – endemic
Eastern Meadow Vole (M.pennsylvanicus) – endemic
Woodland Vole (M.pinetorum) – endemic
Townsend’s Vole (M.townsendii) – endemic
Round-tailed Muskrat (Neofiber alleni) – endemic
Common Muskrat (Ondatra zibethicus) – endemic
Northern Pygmy Mouse (Baiomys taylori) – endemic
White-throated Woodrat (Neotoma albigula) – endemic
Bryant’s Woodrat (N.bryanti) – endemic
Bushy-tailed Woodrat (N.cinerea) – endemic
Eastern Woodrat (N.floridana) – endemic
Dusky-footed Woodrat (N.fuscipes) – endemic
Goldman’s Woodrat (N.goldmani) – endemic
Desert Woodrat (N.lepida) – endemic
Big-eared Woodrat (N.macrotis) – endemic
Allegheny Woodrat (N.magister) – endemic
Mexican Woodrat (N.mexicana) – endemic
Southern Plains Woodrat (N.micropus) – endemic
Sonoran Woodrat (N.phenax) – endemic
Stephens’s Woodrat (N.stephensi) (?) – endemic
Golden Mouse (Ochrotomys nuttalli) – endemic
Chihuahuan Grasshopper Mouse (Onychomys arenicola) – endemic
Northern Grasshopper Mouse (O.leucogaster) – endemic
Southern Grasshopper Mouse (O.torridus) – endemic
Nelson’s Big-toothed Deermouse (Megadontomys nelsoni) – endemic
Volcano Deermouse (Neotomodon alstoni) – endemic
Osgood’s Deermouse (Osgoodomys banderanus) – endemic
Oaxacan Rock Deermouse (Peromyscus amplus) – endemic
Texas Deermouse (P.attwateri) – endemic
Orizaba Deermouse (P.beatae)
Brush Deermouse (P.boylii) – endemic
Perote Deermouse (P.bullatus) – endemic
California Deermouse (P.californicus) – endemic
Jalisco Deermouse (P.chrysopus) – endemic
Tamaulipas White-ankled Deermouse (P.collinus) (?) – endemic
Cordillera Deermouse (P.cordillerae)
Canyon Deermouse (P.crinitus) – endemic
Southern Rock Deermouse (P.difficilis) – endemic
Cactus Deermouse (P.eremicus) – endemic
Southern Baja Deermouse (P.eva) – endemic
Northern Baja Deermouse (P.fraterculus) – endemic
Blackish Deermouse (P.furvus) – endemic
Gambel’s Deermouse (P.gambelii) – endemic
Cotton Deermouse (P.gossypinus) – endemic
Saxicoline Deermouse (P.gratus) – endemic
Hooper’s Deermouse (P.hooperi) – endemic
Transvolcanic Deermouse (P.hylocetes) – endemic
Northwestern Deermouse (P.keeni) – endemic
Southern Deermouse (P.labecula) – endemic
Northern White-ankled Deermouse (P.laceianus) – endemic
White-footed Deermouse (P.leucopus) – endemic
Tehuantepec Deermouse (P.leucurus) – endemic
Nimble-footed Deermouse (P.levipes) – endemic
Eastern Deermouse (P.maniculatus) – endemic
Broad-faced Deermouse (P.megalops) – endemic
Black-eared Deermouse (P.melanotis) – endemic
Black-tailed Deermouse (P.melanurus) – endemic
Merriam’s Deermouse (P.merriami) – endemic
Northern Rock Deermouse (P.nasutus) – endemic
Southern White-ankled Deermouse (P.pectoralis) – endemic
Oldfield Deermouse (P.polionotus) – endemic
Sinaloan Deermouse (P.simulus) – endemic
Western Deermouse (P.sonoriensis) – endemic
Gleaning Deermouse (P.spicilegus) – endemic
Totontepec Deermouse (P.totontepecus) – endemic
Pinyon Deermouse (P.truei) – endemic
Yucatan Deermouse (P.yucatanicus)
Oaxacan Highlands Harvest Mouse (Reithrodontomys albilabris) – endemic
Volcano Harvest Mouse (R.chrysopsis) – endemic
Fulvous Harvest Mouse (R.fulvescens)
Slender Harvest Mouse (R.gracilis)
Western Harvest Mouse (R.megalotis) – endemic
Mexican Harvest Mouse (R.mexicanus)
Plains Harvest Mouse (R.montanus) – endemic
Sumichrast’s Harvest Mouse (R.sumichrasti) – endemic
Alfaro’s Rice Rat (Handleyomys alfaroi)
Guerrero Rice Rat (H.guerrerensis) – endemic
Fulvous Pygmy Rice Rat (Oligoryzomys fulvescens)
Northeastern Marsh Rice Rat (Oryzomys palustris) – endemic
Northwestern Marsh Rice Rat (O.texensis) – endemic
Arizona Cotton Rat (Sigmodon arizonae) – endemic
Tawny-bellied Cotton Rat (S.fulviventer) – endemic
Hispid Cotton Rat (S.hispidus) – endemic
Yellow-nosed Cotton Rat (S.ochrognathus) – endemic
Montane Cotton Rat (S.zanjonensis)
Big-eared Climbing Rat (Ototylomys phyllotis)
Peters’s Climbing Rat (Tylomys nudicaudus)
OLD WORLD MICE AND RATS (MURIDAE) (2/5)
House Mouse (Mus musculus) – introduced
Roof Rat (Rattus rattus) – introduced
SHREWS (SORICIDAE) (4/78)
Northern Short-tailed Shrew (Blarina brevicauda) – endemic
Smoky Shrew (Sorex fumeus) – endemic
Eastern Pygmy Shrew (S.hoyi) (?) – endemic
Southern Montane Shrew (S.monticolus) (†) – endemic
American Water Shrew (S.palustris) – endemic
Trowbridge’s Shrew (S.trowbridgii) – endemic
SOLENODONS (SOLENODONTIDAE) (1/2)
Hispaniolan Solenodon (Solenodon paradoxus) – endemic
SHEATH-TAILED BATS (EMBALLONURIDAE) (4/10)
Thomas’s Sac-winged Bat (Balantiopteryx io)
Gray Sac-winged Bat (B.plicata)
Lesser Dog-like Bat (Peropteryx macrotis)
Greater Sac-winged Bat (Saccopteryx bilineata)
GHOST-FACED AND MOUSTACHED BATS (MORMOOPIDAE) (8/14)
Antillean Ghost-faced Bat (Mormoops blainvillei) – endemic
Peters’s Ghost-faced Bat (M.megalophylla)
Thomas’s Naked-backed Bat (Pteronotus fulvus)
Mesoamerican Common Mustached Bat (P.mesoamericanus)
Parnell’s Common Mustached Bat (P.parnellii) – endemic
Puerto Rican Common Mustached Bat (P.portoricensis) – endemic
Dobson’s Lesser Mustached Bat (P.psilotis)
Sooty Mustached Bat (P.quadridens) – endemic
NEW WORLD LEAF-NOSED BATS (PHYLLOSTOMIDAE) (32/82)
Seba’s Short-tailed Bat (Carollia perspicillata)
Sowell’s Short-tailed Bat (C.sowelli)
Common Vampire Bat (Desmodus rotundus)
White-winged Vampire Bat (Diaemus youngii)
Hairy-legged Vampire Bat (Diphylla ecaudata)
Antillean Fruit-eating Bat (Brachyphylla cavernarum) – endemic
Brown Flower Bat (Erophylla bombifrons) – endemic
Tschudi’s Tailless Bat (Anoura peruana)
Mexican Long-tongued Bat (Choeronycteris mexicana)
Commissaris’s Long-tongued Bat (Glossophaga commissarisi)
Western Long-tongued Bat (G.morenoi) – endemic
Merriam’s Long-tongued Bat (G.mutica)
Greater Long-nosed Bat (Leptonycteris nivalis) – endemic
Lesser Long-nosed Bat (L.yerbabuenae)
Leach’s Single-leaf Bat (Monophyllus redmani) – endemic
Californian Leaf-nosed Bat (Macrotus californicus) – endemic
Waterhouse’s Leaf-nosed Bat (M.waterhousii)
Orange-throated Bat (Lampronycteris brachyotis)
Common Big-eared Bat (Micronycteris microtis)
Woolly False Vampire Bat (Chrotopterus auritus)
Cozumelan Golden Bat (Mimon cozumelae)
Hairy Fruit-eating Bat (Artibeus hirsutus) – endemic
Jamaican Fruit-eating Bat (A.jamaicensis)
Great Fruit-eating Bat (A.lituratus)
Aztec Fruit-eating Bat (Dermanura azteca)
Pygmy Fruit-eating Bat (D.phaeotis)
Toltec Fruit-eating Bat (D.tolteca)
Cuban Fig-eating Bat (Phyllops falcatus) – endemic
Davis’s Tent-making Bat (Uroderma davisi)
Honduran Yellow-shouldered Bat (Sturnira hondurensis)
Little Yellow-shouldered Bat (S.lilium)
Northern Yellow-shouldered Bat (S.parvidens)
FREE-TAILED BATS (MOLOSSIDAE) (8/24)
Florida Bonneted Bat (Eumops floridanus) – endemic
Western Bonneted Bat (E.perotis)
Alvarez’s Mastiff Bat (Molossus alvarezi)
Northern Black Mastiff Bat (M.nigricans)
Pocketed Free-tailed Bat (Nyctinomops femorosaccus)
Broad-eared Free-tailed Bat (N.laticaudatus)
Big Free-tailed Bat (N.macrotis)
Brazilian Free-tailed Bat (Tadarida brasiliensis)
FUNNEL-EARED BATS (NATALIDAE) (2/9)
Caribbean Lesser Funnel-eared Bat (Chilonatalus micropus)
Mexican Funnel-eared Bat (Natalus mexicanus)
EVENING BATS (VESPERTILIONIDAE) (40/65)
Southwestern Myotis (Myotis auriculus) – endemic
Southeastern Myotis (M.austroriparius) – endemic
California Myotis (M.californicus)
Western Small-footed Myotis (M.ciliolabrum) – endemic
Long-eared Myotis (M.evotis) – endemic
Gray Myotis (M.grisescens) – endemic
Eastern Small-footed Myotis (M.leibii) – endemic
Little Brown Myotis (M.lucifugus) – endemic
Arizona Myotis (M.occultus) – endemic
Northern Hairy-legged Myotis (M.pilosatibialis)
Flat-headed Myotis (M.planiceps) – endemic
Northern Myotis (M.septentrionalis) – endemic
Indiana Myotis (M.sodalis) – endemic
Fringed Myotis (M.thysanodes) – endemic
Cave Myotis (M.velifer)
Fish-eating Myotis (M.vivesi) – endemic
Long-legged Myotis (M.volans) – endemic
Yuma Myotis (M.yumanensis) – endemic
Pallid Bat (Antrozous pallidus) – endemic
Allen’s Yellow Bat (Baeodon alleni) – endemic
Slender Yellow Bat (B.gracilis) – endemic
Van Gelder’s Bat (Bauerus dubiaquercus)
Yucatan Yellow Bat (Rhogeessa aenea)
Northern Little Yellow Bat (R.parvula) – endemic
Big Brown Bat (Eptesicus fuscus)
Silver-haired Bat (Lasionycteris noctivagans) – endemic
Argentine Serotine (Neoeptesicus furinalis)
Eastern Red Bat (Lasiurus borealis) – endemic
Desert Red Bat (L.frantzii)
Seminole Bat (L.seminolus) – endemic
Western Yellow Bat (L.xanthinus) – endemic
North American Evening Bat (Nycticeius humeralis) – endemic
Canyon Bat (Parastrellus hesperus) – endemic
Tricolored Bat (Perimyotis subflavus)
Mexican Big-eared Bat (Corynorhinus mexicanus) – endemic
Rafinesque’s Big-eared Bat (C.rafinesquii) – endemic
Townsend’s Big-eared Bat (C.townsendii) – endemic
Spotted Bat (Euderma maculatum) – endemic
Allen’s Big-eared Bat (Idionycteris phyllotis) – endemic
Hoary Wattled Bat (Chalinolobus nigrogriseus)
SKUNKS AND STINK-BADGERS (MEPHITIDAE) (5/11)
American Hog-nosed Skunk (Conepatus leuconotus)
Hooded Skunk (Mephitis macroura)
Striped Skunk (M.mephitis) – endemic
Western Spotted Skunk (Spilogale gracilis) – endemic
Plains Spotted Skunk (S.interrupta) – endemic
MUSTELIDS (MUSTELIDAE) (8/19)
American Marten (Martes americana) – endemic
Fisher (Pekania pennanti) – endemic
Sea Otter (Enhydra lutris)
North American River Otter (Lontra canadensis) – endemic
Black-footed Ferret (Mustela nigripes) – endemic
Long-tailed Weasel (Neogale frenata)
American Mink (N.vison) – endemic
American Badger (Taxidea taxus) – endemic
RACCOONS, COATIS, AND ALLIES (PROCYONIDAE) (6/6)
Ringtail (Bassariscus astutus) – endemic
White-nosed Coati (Nasua narica)
South American Coati (N.nasua)
Kinkajou (Potos flavus)
Northern Raccoon (Procyon lotor)
Cozumel Raccoon (P.pygmaeus) – endemic
EARED SEALS (OTARIIDAE) (4/5)
Guadalupe Fur Seal (Arctocephalus townsendi) – endemic
Northern Fur Seal (Callorhinus ursinus)
Steller Sea Lion (Eumetopias jubatus)
California Sea Lion (Zalophus californianus)
EARLESS SEALS (PHOCIDAE) (5/9)
Gray Seal (Halichoerus grypus)
Northern Elephant Seal (Mirounga angustirostris)
Harp Seal (Pagophilus groenlandicus)
Harbor Seal (Phoca vitulina)
Ringed Seal (Pusa hispida)
BEARS (URSIDAE) (3/3)
American Black Bear (Ursus americanus) – endemic
Brown Bear (U.arctos)
Polar Bear (U.maritimus)
CANIDS (CANIDAE) (9/11)
Coyote (Canis latrans)
Gray Wolf (C.lupus)
Eastern Wolf (C.lycaon) – endemic
Red Wolf (C.rufus) – endemic
Northern Gray Fox (Urocyon cinereoargenteus)
Island Fox (U.littoralis) – endemic
Kit Fox (Vulpes macrotis) – endemic
Swift Fox (V.velox) – endemic
Red Fox (V.vulpes)
FELIDS (FELIDAE) (3/8)
Domestic Cat (Felis catus) – introduced
Canadian Lynx (Lynx canadensis) – endemic
Bobcat (L.rufus) – endemic
Puma (Puma concolor) – signs only
EQUINES (EQUIDAE) (2/3)
Domestic Ass (Equus asinus) – introduced
Domestic Horse (E.caballus) – introduced
PRONGHORNS (ANTILOCAPRIDAE) (1/1)
Pronghorn (Antilocapra americana) – endemic
BOVIDS (BOVIDAE) (4/19)
Rocky Mountain Goat (Oreamnos americanus) – endemic
Bighorn Sheep (Ovis canadensis) – endemic
Thinhorn Sheep (O.dalli) – endemic
American Bison (Bos bison) – endemic
DEER (CERVIDAE) (7/15)
Moose (Alces alces)
Mule Deer (Odocoileus hemionus)
White-tailed Deer (O.virginianus)
Caribou (Rangifer tarandus)
Wapiti (Cervus canadensis)
Western Red Deer (C.elaphus) – introduced
Common Fallow Deer (Dama dama) – introduced
SUIDS (SUIDAE) (1/3)
Domestic Pig (Sus domesticus) – introduced
PECCARIES (TAYASSUIDAE) (1/2)
Collared Peccary (Dicotyles tajacu)
BOWHEAD AND RIGHT WHALES (BALAENIDAE) (1/3)
North Atlantic Right Whale (Eubalaena glacialis)
RORQUALS (BALAENOPTERIDAE) (7/8)
Common Minke Whale (Balaenoptera acutorostrata)
Sei Whale (B.borealis)
Bryde’s Whale (B.brydei)
Blue Whale (B.musculus)
Fin Whale (B.physalus)
Gray Whale (Eschrichtius robustus)
Humpback Whale (Megaptera novaeangliae)
OCEANIC DOLPHINS (DELPHINIDAE) (14/25)
Eastern Pacific Long-beaked Common Dolphin (Delphinus bairdii)
Panglobal Common Dolphin (D.delphis)
Pantropical Spotted Dolphin (Stenella attenuata)
Striped Dolphin (S.coeruleoalba)
Atlantic Spotted Dolphin (S.frontalis)
Tamanend’s Bottlenose Dolphin (Tursiops erebennus) – endemic
Common Bottlenose Dolphin (T.truncatus)
Long-finned Pilot Whale (Globicephala melas) (?)
Risso’s Dolphin (Grampus griseus)
White-beaked Dolphin (Lagenorhynchus albirostris)
Atlantic White-sided Dolphin (Leucopleurus acutus)
Resident Killer Whale (Orcinus ater)
Bigg’s Killer Whale (O.rectipinnus)
Northern Right-whale Dolphin (Lissodelphis borealis)
Pacific White-sided Dolphin (Sagmatias obliquidens)
NARWHALS AND BELUGAS (MONODONTIDAE) (2/2)
Beluga (Delphinapterus leucas)
Narwhal (Monodon monoceros)
PORPOISES (PHOCOENIDAE) (3/3)
Harbor Porpoise (Phocoena phocoena)
Vaquita (P.sinus) – endemic
Dall’s Porpoise (Phocoenoides dalli)
DWARF SPERM WHALES (KOGIIDAE) (1/2)
Dwarf Sperm Whale (Kogia sima)
BEAKED WHALES (ZIPHIIDAE) (1/14)
Gervais’s Beaked Whale (Mesoplodon europaeus)

463 species