| Scientific Name | Common Name | | |
| Alces alces | (Moose) | | |
| Alopex lagopus | (Arctic Fox) | | |
| Ammospermophilus harrisii | (Harris's Antelope Squirrel) | | |
| Antilocapra americana | (Pronghorn) | | |
| Antrozous pallidus | (Pallid Bat) | | |
| Aplodontia rufa | (Mountain Beaver) | | |
| Arctocephalus townsendi | (Guadalupe Fur Seal) | | |
| Balaena mysticetus | (Bowhead Whale) | | |
| Balaenoptera acutorostrata | (Northern Minke Whale) | | |
| Balaenoptera borealis | (Sei Whale) | | |
| Balaenoptera edeni | (Bryde's Whale) | | |
| Balaenoptera musculus | (Blue Whale) | | |
| Balaenoptera physalus | (Fin Whale) | | |
| Bassariscus astutus | (Ringtail) | | |
| Bassariscus sumichrasti | (Cacomistle) | | |
| Bison bison | (American Bison) | | |
| Blarina brevicauda | (Northern Short-tailed Shrew) | | |
| Blarina carolinensis | (Southern Short-tailed Shrew) | | |
| Brachylagus idahoensis | (Pygmy Rabbit) | | |
| Callorhinus ursinus | (Northern Fur Seal) | | |
| Canis latrans | (Coyote) | | |
| Canis lupus | (Gray Wolf) | | |
| Canis rufus | (Red Wolf) | | |
| Castor canadensis | (American Beaver) | | |
| Cervus elaphus | (Elk) | | |
| Chaetodipus baileyi | (Bailey's Pocket Mouse) | | |
| Choeronycteris mexicana | (Mexican Long-tongued Bat) | | |
| Condylura cristata | (Star-nosed Mole) | | |
| Conepatus leuconotus | (North American Hog-nosed Skunk) | | |
| Corynorhinus townsendii | (Townsend's Big-eared Bat) | | |
| Cynomys leucurus | (White-tailed Prairie Dog) | | |
| Cynomys ludovicianus | (Black-tailed Prairie Dog) | | |
| Cynomys parvidens | (Utah Prairie Dog) | | |
| Cystophora cristata | (Hooded Seal) | | |
| Dasypus novemcinctus | (Nine-banded Armadillo) | | |
| Delphinapterus leucas | (Beluga) | | |
| Delphinus capensis | (Long-beaked Common Dolphin) | | |
| Delphinus delphis | (Short-beaked Common Dolphin) | | |
| Didelphis virginiana | (Virginia Opossum) | | |
| Dipodomys ingens | (Giant Kangaroo Rat) | | |
| Eira barbara | (Tayra) | | |
| Enhydra lutris | (Sea Otter) | | |
| Eptesicus fuscus | (Big Brown Bat) | | |
| Erethizon dorsatum | (North American Porcupine) | | |
| Erignathus barbatus | (Bearded Seal) | | |
| Eschrichtius robustus | (Gray Whale) | | |
| Eubalaena glacialis | (North Atlantic Right Whale) | | |
| Eubalaena japonica | (North Pacific Right Whale) | | |
| Eumetopias jubatus | (Steller Sea Lion) | | |
| Geomys personatus | (Texas Pocket Gopher) | | |
| Glaucomys sabrinus | (Northern Flying Squirrel) | | |
| Glaucomys volans | (Southern Flying Squirrel) | | |
| Globicephala macrorhynchus | (Short-finned Pilot Whale) | | |
| Globicephala melas | (Long-finned Pilot Whale) | | |
| Grampus griseus | (Risso's Dolphin) | | |
| Gulo gulo | (Wolverine) | | |
| Halichoerus grypus | (Gray Seal) | | |
| Hyperoodon ampullatus | (Northern Bottlenosed Whale) | | |
| Kogia breviceps | (Pygmy Sperm Whale) | | |
| Lagenodelphis hosei | (Fraser's Dolphin) | | |
| Lagenorhynchus acutus | (Atlantic White-sided Dolphin) | | |
| Lagenorhynchus albirostris | (White-beaked Dolphin) | | |
| Lagenorhynchus obliquidens | (Pacific White-sided Dolphin) | | |
| Lasionycteris noctivagans | (Silver-haired Bat) | | |
| Lasiurus blossevillii | (Western Red Bat) | | |
| Lasiurus borealis | (Red Bat) | | |
| Lasiurus cinereus | (Hoary Bat) | | |
| Lemmus trimucronatus | (Brown Lemming) | | |
| Leopardus pardalis | (Ocelot) | | |
| Leopardus weidii | (Margay) | | |
| Lepus americanus | (Snowshoe Hare) | | |
| Lepus arcticus | (Arctic Hare) | | |
| Lepus californicus | (Black-tailed Jackrabbit) | | |
| Lepus othus | (Alaskan Hare) | | |
| Lepus townsendii | (White-tailed Jackrabbit) | | |
| Lissodelphis borealis | (Northern Right Whale Dolphin) | | |
| Lontra canadensis | (Northern River Otter) | | |
| Lynx canadensis | (Canada Lynx) | | |
| Lynx rufus | (Bobcat) | | |
| Macrotus californicus | (California Leaf-nosed Bat) | | |
| Marmota caligata | (Hoary Marmot) | | |
| Marmota flaviventris | (Yellow-bellied Marmot) | | |
| Marmota monax | (Woodchuck) | | |
| Marmota olympus | (Olympic Marmot) | | |
| Martes americana | (American Marten) | | |
| Martes pennanti | (Fisher) | | |
| Mazama americana | (Red Brocket) | | |
| Megaptera novaeangliae | (Humpback Whale) | | |
| Mephitis macroura | (Hooded Skunk) | | |
| Mephitis mephitis | (Striped Skunk) | | |
| Microtus chrotorrhinus | (Rock Vole) | | |
| Microtus longicaudus | (Long-tailed Vole) | | |
| Microtus miurus | (Singing Vole) | | |
| Microtus oeconomus | (Tundra Vole) | | |
| Microtus pennsylvanicus | (Meadow Vole) | | |
| Microtus pinetorum | (Woodland Vole) | | |
| Mirounga angustirostris | (Northern Elephant Seal) | | |
| Monachus schauinslandi | (Hawaiian Monk Seal) | | |
| Monodon monocerus | (Narwhal) | | |
| Mustela erminea | (Ermine) | | |
| Mustela frenata | (Long-tailed Weasel) | | |
| Mustela nigripes | (Black-footed Ferret) | | |
| Mustela nivalis | (Least Weasel) | | |
| Mustela vison | (American Mink) | | |
| Myotis auriculus | (Southwestern Myotis) | | |
| Myotis californicus | (California Myotis) | | |
| Myotis grisescens | (Gray Myotis) | | |
| Myotis lucifugus | (Little Brown Bat) | | |
| Myotis septentrionalis | (Northern Long-eared Myotis) | | |
| Myotis sodalis | (Indiana Bat) | | |
| Napaeozapus insignis | (Woodland Jumping Mouse) | | |
| Nasua narica | (White-nosed Coati) | | |
| Neotoma cinerea | (Bushy-tailed Woodrat) | | |
| Nycticeius humeralis | (Evening Bat) | | |
| Ochotona princeps | (American Pika) | | |
| Odobenus rosmarus | (Walrus) | | |
| Odocoileus hemionus | (Mule Deer) | | |
| Odocoileus virginianus | (White-tailed Deer) | | |
| Ondatra zibethicus | (Muskrat) | | |
| Orcinus orca | (Killer Whale) | | |
| Oreamnos americanus | (Mountain Goat) | | |
| Oryzomys palustris | (Marsh Rice Rat) | | |
| Ovibos moschatus | (Muskox) | | |
| Ovis canadensis | (Bighorn Sheep) | | |
| Ovis dalli | (Dall's Sheep) | | |
| Panthera onca | (Jaguar) | | |
| Pecari tajacu | (Collared Peccary) | | |
| Peponocephala electra | (Melon-headed Whale) | | |
| Peromyscus eremicus | (Cactus Mouse) | | |
| Peromyscus gossypinus | (Cotton Mouse) | | |
| Peromyscus leucopus | (White-footed Mouse) | | |
| Peromyscus maniculatus | (Deermouse) | | |
| Peromyscus polionotus | (Oldfield Mouse) | | |
| Phoca fasciata | (Ribbon Seal) | | |
| Phoca groenlandica | (Harp Seal) | | |
| Phoca hispida | (Ringed Seal) | | |
| Phoca largha | (Spotted Seal) | | |
| Phoca vitulina | (Harbor Seal) | | |
| Phocoena phocoena | (Harbor Porpoise) | | |
| Phocoenoides dalli | (Dall's Porpoise) | | |
| Physeter catodon | (Sperm Whale) | | |
| Pipistrellus subflavus | (Tri-colored Bat) | | |
| Procyon lotor | (Northern Raccoon) | | |
| Pseudorca crassidens | (False Killer Whale) | | |
| Puma concolor | (Cougar) | | |
| Puma yaguarondi | (Jaguarundi) | | |
| Rangifer tarandus | (Caribou) | | |
| Reithrodontomys humulis | (Eastern Harvest Mouse) | | |
| Reithrodontomys megalotis | (Western Harvest Mouse) | | |
| Sciurus aberti | (Abert's Squirrel) | | |
| Sciurus carolinensis | (Eastern Gray Squirrel) | | |
| Sciurus griseus | (Western Gray Squirrel) | | |
| Sciurus niger | (Eastern Fox Squirrel) | | |
| Sigmodon hispidus | (Hispid Cotton Rat) | | |
| Sorex hoyi | (Pygmy Shrew) | | |
| Spermophilus armatus | (Uinta Ground Squirrel) | | |
| Spermophilus beecheyi | (California Ground Squirrel) | | |
| Spermophilus beldingi | (Belding's Ground Squirrel) | | |
| Spermophilus brunneus | (Idaho Ground Squirrel) | | |
| Spermophilus columbianus | (Columbian Ground Squirrel) | | |
| Spermophilus elegans | (Wyoming Ground Squirrel) | | |
| Spermophilus franklinii | (Franklin's Ground Squirrel) | | |
| Spermophilus lateralis | (Golden-mantled Ground Squirrel) | | |
| Spermophilus parryii | (Arctic Ground Squirrel) | | |
| Spermophilus richardsonii | (Richardson's Ground Squirrel) | | |
| Spermophilus spilosoma | (Spotted Ground Squirrel) | | |
| Spermophilus tereticaudus | (Round-tailed Ground Squirrel) | | |
| Spermophilus tridecemlineatus | (Thirteen-lined Ground Squirrel) | | |
| Spermophilus variegatus | (Rock Squirrel) | | |
| Spilogale gracilis | (Western Spotted Skunk) | | |
| Spilogale putorius | (Eastern Spotted Skunk) | | |
| Stenella attenuata | (Pantropical Spotted Dolphin) | | |
| Stenella clymene | (Clymene Dolphin) | | |
| Stenella coeruleoalba | (Striped Dolphin) | | |
| Stenella frontalis | (Atlantic Spotted Dolphin) | | |
| Stenella longirostris | (Spinner Dolphin) | | |
| Steno bredanensis | (Rough-toothed Dolphin) | | |
| Sylvilagus aquaticus | (Swamp Rabbit) | | |
| Sylvilagus audubonii | (Desert Cottontail) | | |
| Sylvilagus bachmani | (Brush Rabbit) | | |
| Sylvilagus floridanus | (Eastern Cottontail) | | |
| Sylvilagus nuttallii | (Mountain Cottontail) | | |
| Sylvilagus obscurus | (Appalachian Cottontail) | | |
| Sylvilagus palustris | (Marsh Rabbit) | | |
| Sylvilagus transitionalis | (New England Cottontail) | | |
| Synaptomys cooperi | (Southern Bog Lemming) | | |
| Tadarida brasiliensis | (Brazilian Free-tailed Bat) | | |
| Tamias alpinus | (Alpine Chipmunk) | | |
| Tamias amoenus | (Yellow-pine Chipmunk) | | |
| Tamias dorsalis | (Cliff Chipmunk) | | |
| Tamias minimus | (Least Chipmunk) | | |
| Tamias quadrivittatus | (Colorado Chipmunk) | | |
| Tamias rufus | (Hopi Chipmunk) | | |
| Tamias striatus | (Eastern Chipmunk) | | |
| Tamiasciurus douglasii | (Douglas' Squirrel) | | |
| Tamiasciurus hudsonicus | (Red Squirrel) | | |
| Taxidea taxus | (American Badger) | | |
| Tayassu pecari | (White-lipped Peccary) | | |
| Thomomys bottae | (Botta's Pocket Gopher) | | |
| Thomomys talpoides | (Northern Pocket Gopher) | | |
| Trichechus manatus | (West Indian Manatee) | | |
| Tursiops truncatus | (Bottlenose Dolphin) | | |
| Urocyon cinereoargenteus | (Common Gray Fox) | | |
| Urocyon littoralis | (Island Gray Fox) | | |
| Ursus americanus | (American Black Bear) | | |
| Ursus arctos | (Brown Bear) | | |
| Ursus maritimus | (Polar Bear) | | |
| Vulpes macrotis | (Kit Fox) | | |
| Vulpes velox | (Swift Fox) | | |
| Vulpes vulpes | (Red Fox) | | |
| Zalophus californianus | (California Sea Lion) | | |
| Zapus hudsonius | (Meadow Jumping Mouse) | | |
| Zapus princeps | (Western Jumping Mouse) | | |