Browse mammals
Explore 433 North American species
The Mammals of North America app is in development. Every species account is already published here on the website.
433 species
A
Abert's Squirrel
Sciurus aberti
Agile Kangaroo Rat
Dipodomys agilis
Alaska Marmot
Marmota broweri
Alaskan Hare
Lepus othus
Aleutian Island Collared Lemming
Dicrostonyx unalascensis
Allegheny Woodrat
Neotoma magister
Allen's Big-eared Bat
Idionycteris phyllotis
Allen's Chipmunk
Neotamias senex
Alpine Chipmunk
Neotamias alpinus
American Badger
Taxidea taxus
American Beaver
Castor canadensis
American Bison
Bison bison
American Black Bear
Ursus americanus
American Hog-nosed Skunk
Conepatus leuconotus
American Marten
Martes americana
American Mink
Neogale vison
American Pika
Ochotona princeps
American Pygmy Shrew
Sorex hoyi
American Red Squirrel
Tamiasciurus hudsonicus
American Shrewmole
Neurotrichus gibbsii
American Stoat
Mustela richardsonii
American Water Shrew
Sorex palustris
Antelope Jackrabbit
Lepus alleni
Appalachian Cottontail
Sylvilagus obscurus
Arctic Fox
Vulpes lagopus
Arctic Ground Squirrel
Urocitellus parryii
Arctic Hare
Lepus arcticus
Arctic Shrew
Sorex arcticus
Arizona Cotton Rat
Sigmodon arizonae
Arizona Gray Squirrel
Sciurus arizonensis
Arizona Myotis
Myotis occultus
Arizona Pocket Mouse
Perognathus amplus
Arizona Shrew
Sorex arizonae
Arizona Woodrat
Neotoma devia
Atlantic Spotted Dolphin
Stenella frontalis
Atlantic White-sided Dolphin
Leucopleurus acutus
Attwater's Pocket Gopher
Geomys attwateri
B
Bailey's Pocket Mouse
Chaetodipus baileyi
Baird's Beaked Whale
Berardius bairdii
Baird's Pocket Gopher
Geomys breviceps
Baird's Shrew
Sorex bairdi
Baja Pocket Mouse
Chaetodipus rudinoris
Banner-tailed Kangaroo Rat
Dipodomys spectabilis
Barren Ground Shrew
Sorex ugyunak
Beach Vole
Microtus breweri
Bearded Seal
Erignathus barbatus
Belding's Ground Squirrel
Urocitellus beldingi
Beluga
Delphinapterus leucas
Bendire's Shrew
Sorex bendirii
Big Brown Bat
Eptesicus fuscus
Big Free-tailed Bat
Nyctinomops macrotis
Big-eared Woodrat
Neotoma macrotis
Bighorn Sheep
Ovis canadensis
Black-eared Mouse
Peromyscus melanotis
Black-footed Ferret
Mustela nigripes
Black-tailed Jackrabbit
Lepus californicus
Black-tailed Prairie Dog
Cynomys ludovicianus
Blue Whale
Balaenoptera musculus
Bobcat
Lynx rufus
Botta's Pocket Gopher
Thomomys bottae
Bowhead Whale
Balaena mysticetus
Broad-footed Mole
Scapanus latimanus
Brown Bear
Ursus arctos
Brown Lemming
Lemmus trimucronatus
Brush Mouse
Peromyscus boylii
Brush Rabbit
Sylvilagus bachmani
Bushy-tailed Woodrat
Neotoma cinerea
C
Cactus Mouse
Peromyscus eremicus
California Chipmunk
Neotamias obscurus
California Ground Squirrel
Otospermophilus beecheyi
California Kangaroo Rat
Dipodomys californicus
California Leaf-nosed Bat
Macrotus californicus
California Mouse
Peromyscus californicus
California Myotis
Myotis californicus
California Pocket Mouse
Chaetodipus californicus
California Sea Lion
Zalophus californianus
California Vole
Microtus californicus
Camas Pocket Gopher
Thomomys bulbivorus
Canada Lynx
Lynx canadensis
Canyon Bat
Parastrellus hesperus
Canyon Mouse
Peromyscus crinitus
Caribou
Rangifer tarandus
Cascade Golden-mantled Ground Squirrel
Callospermophilus saturatus
Cave Myotis
Myotis velifer
Central Texas Pocket Gopher
Geomys texensis
Chihuahuan Grasshopper Mouse
Onychomys arenicola
Chisel-toothed Kangaroo Rat
Dipodomys microps
Cliff Chipmunk
Neotamias dorsalis
Coast Mole
Scapanus orarius
Cockrum's Gray Shrew
Notiosorex cockrumi
Collared Peccary
Pecari tajacu
Collared Pika
Ochotona collaris
Colorado Chipmunk
Neotamias quadrivittatus
Columbia Basin Pygmy Rabbit
Sylvilagus idahoensis
Columbian Ground Squirrel
Urocitellus columbianus
Common Bottlenose Dolphin
Tursiops truncatus
Common Muskrat
Ondatra zibethicus
Common Raccoon
Procyon lotor
Cotton Mouse
Peromyscus gossypinus
Coues' Rice Rat
Oryzomys couesi
Coyote
Canis latrans
Crawford's Gray Shrew
Notiosorex crawfordi
Creeping Vole
Microtus oregoni
Cuvier's Beaked Whale
Ziphius cavirostris
D
Dall's Porpoise
Phocoenoides dalli
Dark Kangaroo Mouse
Microdipodops megacephalus
Dark-nosed Small-footed Myotis
Myotis melanorhinus
Deer Mouse
Peromyscus maniculatus
Desert Cottontail
Sylvilagus audubonii
Desert Kangaroo Rat
Dipodomys deserti
Desert Pocket Gopher
Geomys arenarius
Desert Pocket Mouse
Chaetodipus penicillatus
Desert Woodrat
Neotoma lepida
Douglas' Squirrel
Tamiasciurus douglasii
Dulzura Kangaroo Rat
Dipodomys simulans
Dusky Shrew
Sorex monticola
Dusky-footed Woodrat
Neotoma fuscipes
Dwarf Shrew
Sorex nanus
Dwarf Sperm Whale
Kogia sima
E
Eastern Chipmunk
Tamias striatus
Eastern Cottontail
Sylvilagus floridanus
Eastern Desert Pocket Mouse
Chaetodipus eremicus
Eastern Gray Squirrel
Sciurus carolinensis
Eastern Harvest Mouse
Reithrodontomys humulis
Eastern Heather Vole
Phenacomys ungava
Eastern Mole
Scalopus aquaticus
Eastern Red Bat
Lasiurus borealis
Eastern Small-footed Myotis
Myotis leibii
Eastern Spotted Skunk
Spilogale putorius
Eastern Wolf
Canis lycaon
Eastern Woodrat
Neotoma floridana
Elk
Cervus canadensis
Elliot's Short-tailed Shrew
Blarina hylophaga
Eurasian Stoat
Mustela erminea
Evening Bat
Nycticeius humeralis
F
False Killer Whale
Pseudorca crassidens
Fin Whale
Balaenoptera physalus
Fisher
Pekania pennanti
Florida Bonneted Bat
Eumops floridanus
Florida Mouse
Podomys floridanus
Fog Shrew
Sorex sonomae
Fox Squirrel
Sciurus niger
Franklin's Ground Squirrel
Poliocitellus franklinii
Fraser's Dolphin
Lagenodelphis hosei
Fresno Kangaroo Rat
Dipodomys nitratoides
Fringed Myotis
Myotis thysanodes
Fulvous Harvest Mouse
Reithrodontomys fulvescens
G
Ghost-faced Bat
Mormoops megalophylla
Giant Kangaroo Rat
Dipodomys ingens
Glacier Bay Water Shrew
Sorex navigator
Golden Mouse
Ochrotomys nuttalli
Golden-mantled Ground Squirrel
Callospermophilus lateralis
Gray Bat
Myotis grisescens
Gray Fox
Urocyon cinereoargenteus
Gray Ground Squirrel
Urocitellus canus
Gray Long-tailed Shrew
Sorex dispar
Gray Wolf
Canis lupus
Gray-collared Chipmunk
Neotamias cinereicollis
Gray-footed Chipmunk
Neotamias canipes
Gray-tailed Vole
Microtus canicaudus
Great Basin Dwarf Shrew
Sorex tenellus
Great Basin Pocket Mouse
Perognathus parvus
Grey Seal
Halichoerus grypus
Grey Whale
Eschrichtius robustus
Groundhog
Marmota monax
Guadalupe Fur Seal
Arctocephalus townsendi
Gulf Coast Kangaroo Rat
Dipodomys compactus
Gunnison's Prairie Dog
Cynomys gunnisoni
H
Hairy-legged Vampire Bat
Diphylla ecaudata
Hairy-tailed Mole
Parascalops breweri
Harbor Seal
Phoca vitulina
Harbour Porpoise
Phocoena phocoena
Harp Seal
Pagophilus groenlandicus
Harris' Antelope Squirrel
Ammospermophilus harrisii
Hawaiian Monk Seal
Neomonachus schauinslandi
Hayden's Shrew
Sorex haydeni
Heermann's Kangaroo Rat
Dipodomys heermanni
Hispid Cotton Rat
Sigmodon hispidus
Hispid Pocket Mouse
Chaetodipus hispidus
Hoary Bat
Lasiurus cinereus
Hoary Marmot
Marmota caligata
Holzner Cottontail
Sylvilagus holzneri
Hooded Seal
Cystophora cristata
Hooded Skunk
Mephitis macroura
Hopi Chipmunk
Neotamias rufus
Hubbs' Beaked Whale
Mesoplodon carlhubbsi
Humboldt's Flying Squirrel
Glaucomys oregonensis
Humpback Whale
Megaptera novaeangliae
I
J
K
L
Labrador Collared Lemming
Dicrostonyx hudsonius
Least Chipmunk
Neotamias minimus
Least Weasel
Mustela nivalis
Lesser Long-nosed Bat
Leptonycteris yerbabuenae
Little Brown Bat
Myotis lucifugus
Little Pocket Mouse
Perognathus longimembris
Lodgepole Chipmunk
Neotamias speciosus
Long-beaked Common Dolphin
Delphinus capensis
Long-eared Chipmunk
Neotamias quadrimaculatus
Long-finned Pilot Whale
Globicephala melas
Long-legged Myotis
Myotis volans
Long-tailed Pocket Mouse
Chaetodipus formosus
Long-tailed Vole
Microtus longicaudus
Long-tailed Weasel
Neogale frenata
Long-tongued Bat
Choeronycteris mexicana
M
Maritime Shrew
Sorex maritimensis
Marsh Rabbit
Sylvilagus palustris
Marsh Rice Rat
Oryzomys palustris
Masked Shrew
Sorex cinereus
Meadow Jumping Mouse
Zapus hudsonius
Meadow Vole
Microtus pennsylvanicus
Merriam's Chipmunk
Neotamias merriami
Merriam's Kangaroo Rat
Dipodomys merriami
Merriam's Mouse
Peromyscus merriami
Merriam's Piñon Mouse
Peromyscus gratus
Merriam's Pocket Mouse
Perognathus merriami
Merriam's Shrew
Sorex merriami
Mexican Fox Squirrel
Sciurus nayaritensis
Mexican Free-tailed Bat
Tadarida brasiliensis
Mexican Long-nosed Bat
Leptonycteris nivalis
Mexican Spiny Pocket Mouse
Heteromys irroratus
Mexican Vole
Microtus mexicanus
Mexican Woodrat
Neotoma mexicana
Miller's Myotis
Myotis evotis
Minke Whale
Balaenoptera acutorostrata
Mohave Ground Squirrel
Xerospermophilus mohavensis
Montane Vole
Microtus montanus
Moose
Alces alces
Mount Lyell Shrew
Sorex lyelli
Mountain Beaver
Aplodontia rufa
Mountain Cottontail
Sylvilagus nuttallii
Mountain Goat
Oreamnos americanus
Mountain Lion
Puma concolor
Mountain Pocket Gopher
Thomomys monticola
Mule Deer
Odocoileus hemionus
Muskox
Ovibos moschatus
N
Narrow-faced Kangaroo Rat
Dipodomys venustus
Narwhal
Monodon monoceros
Nelson's Antelope Squirrel
Ammospermophilus nelsoni
Nelson's Collared Lemming
Dicrostonyx nelsoni
Nelson's Pocket Mouse
Chaetodipus nelsoni
New England Cottontail
Sylvilagus transitionalis
Nine-banded Armadillo
Dasypus novemcinctus
North American Least Shrew
Cryptotis parvus
North American Porcupine
Erethizon dorsatum
North American River Otter
Lontra canadensis
North Atlantic Bottlenose Whale
Hyperoodon ampullatus
North Atlantic Right Whale
Eubalaena glacialis
North Pacific Right Whale
Eubalaena japonica
Northern Baja Deer Mouse
Peromyscus fraterculus
Northern Bog Lemming
Synaptomys borealis
Northern Collared Lemming
Dicrostonyx groenlandicus
Northern Elephant Seal
Mirounga angustirostris
Northern Flying Squirrel
Glaucomys sabrinus
Northern Fur Seal
Callorhinus ursinus
Northern Grasshopper Mouse
Onychomys leucogaster
Northern Myotis
Myotis septentrionalis
Northern Pocket Gopher
Thomomys talpoides
Northern Pygmy Mouse
Baiomys taylori
Northern Red-backed Vole
Myodes rutilus
Northern Right Whale Dolphin
Lissodelphis borealis
Northern Rock Mouse
Peromyscus nasutus
Northern Short-tailed Shrew
Blarina brevicauda
Northern Yellow Bat
Lasiurus intermedius
Northwestern Deer Mouse
Peromyscus keeni
O
P
Pacific Jumping Mouse
Zapus trinotatus
Pacific Marten
Martes caurina
Pacific Shrew
Sorex pacificus
Pacific White-sided Dolphin
Sagmatias obliquidens
Pale Kangaroo Mouse
Microdipodops pallidus
Pallid Bat
Antrozous pallidus
Palmer's Chipmunk
Neotamias palmeri
Panamint Chipmunk
Neotamias panamintinus
Panamint Kangaroo Rat
Dipodomys panamintinus
Pantropical Spotted Dolphin
Stenella attenuata
Pinyon Mouse
Peromyscus truei
Piute Ground Squirrel
Urocitellus mollis
Plains Harvest Mouse
Reithrodontomys montanus
Plains Pocket Gopher
Geomys bursarius
Plains Pocket Mouse
Perognathus flavescens
Pocketed Free-tailed Bat
Nyctinomops femorosaccus
Polar Bear
Ursus maritimus
Prairie Vole
Microtus ochrogaster
Preble's Shrew
Sorex preblei
Pribilof Island Shrew
Sorex pribilofensis
Pronghorn
Antilocapra americana
Pygmy Sperm Whale
Kogia breviceps
R
Rafinesque's Big-eared Bat
Corynorhinus rafinesquii
Red Fox
Vulpes vulpes
Red Tree Vole
Arborimus longicaudus
Red Wolf
Canis rufus
Red-tailed Chipmunk
Neotamias ruficaudus
Ribbon Seal
Histriophoca fasciata
Richardson's Collared Lemming
Dicrostonyx richardsoni
Richardson's Ground Squirrel
Urocitellus richardsonii
Ringed Seal
Pusa hispida
Ringtail
Bassariscus astutus
Rio Grande Ground Squirrel
Ictidomys parvidens
Risso's Dolphin
Grampus griseus
Rock Pocket Mouse
Chaetodipus intermedius
Rock Squirrel
Otospermophilus variegatus
Rock Vole
Microtus chrotorrhinus
Rough-toothed Dolphin
Steno bredanensis
Round-tailed Ground Squirrel
Xerospermophilus tereticaudus
Round-tailed Muskrat
Neofiber alleni
S
Sagebrush Vole
Lemmiscus curtatus
Saint Lawrence Island Shrew
Sorex jacksoni
Salt Marsh Harvest Mouse
Reithrodontomys raviventris
San Diego Pocket Mouse
Chaetodipus fallax
San Joaquin Pocket Mouse
Perognathus inornatus
Sea Otter
Enhydra lutris
Sei Whale
Balaenoptera borealis
Seminole Bat
Lasiurus seminolus
Short-beaked Common Dolphin
Delphinus delphis
Short-finned Pilot Whale
Globicephala macrorhynchus
Silky Pocket Mouse
Perognathus flavus
Silver-haired Bat
Lasionycteris noctivagans
Singing Vole
Microtus miurus
Siskiyou Chipmunk
Neotamias siskiyou
Smoky Shrew
Sorex fumeus
Snowshoe Hare
Lepus americanus
Sonoma Chipmunk
Neotamias sonomae
Sonoma Tree Vole
Arborimus pomo
Southeastern Myotis
Myotis austroriparius
Southeastern Pocket Gopher
Geomys pinetis
Southeastern Shrew
Sorex longirostris
Southern Bog Lemming
Synaptomys cooperi
Southern Flying Squirrel
Glaucomys volans
Southern Grasshopper Mouse
Onychomys torridus
Southern Plains Woodrat
Neotoma micropus
Southern Pocket Gopher
Thomomys umbrinus
Southern Red-backed Vole
Myodes gapperi
Southern Short-tailed Shrew
Blarina carolinensis
Southern Yellow Bat
Lasiurus ega
Southwestern Myotis
Myotis auriculus
Southwestern Red Squirrel
Tamiasciurus fremonti
Sowerby's Beaked Whale
Mesoplodon bidens
Sperm Whale
Physeter macrocephalus
Spinner Dolphin
Stenella longirostris
Spiny Pocket Mouse
Chaetodipus spinatus
Spotted Bat
Euderma maculatum
Spotted Ground Squirrel
Xerospermophilus spilosoma
Spotted Seal
Phoca largha
Star-nosed Mole
Condylura cristata
Stejneger's Beaked Whale
Mesoplodon stejnegeri
Steller Sea Lion
Eumetopias jubatus
Stephens's Kangaroo Rat
Dipodomys stephensi
Stephens's Woodrat
Neotoma stephensi
Striped Dolphin
Stenella coeruleoalba
Striped Skunk
Mephitis mephitis
Swamp Rabbit
Sylvilagus aquaticus
Swift Fox
Vulpes velox
T
Taiga Vole
Microtus xanthognathus
Tawny-bellied Cotton Rat
Sigmodon fulviventer
Texas Antelope Squirrel
Ammospermophilus interpres
Texas Kangaroo Rat
Dipodomys elator
Texas Mouse
Peromyscus attwateri
Texas Pocket Gopher
Geomys personatus
Thinhorn Sheep
Ovis dalli
Thirteen-lined Ground Squirrel
Ictidomys tridecemlineatus
Townsend's Big-eared Bat
Corynorhinus townsendii
Townsend's Chipmunk
Neotamias townsendii
Townsend's Ground Squirrel
Urocitellus townsendii
Townsend's Mole
Scapanus townsendii
Townsend's Pocket Gopher
Thomomys townsendii
Townsend's Vole
Microtus townsendii
Tricolored Bat
Perimyotis subflavus
Trowbridge's Shrew
Sorex trowbridgii
Tundra Shrew
Sorex tundrensis
Tundra Vole
Alexandromys oeconomus
U
V
W
Walrus
Odobenus rosmarus
Washington Ground Squirrel
Urocitellus washingtoni
Water Vole
Microtus richardsoni
West Indian Manatee
Trichechus manatus
Western Bonneted Bat
Eumops perotis
Western Gray Squirrel
Sciurus griseus
Western Harvest Mouse
Reithrodontomys megalotis
Western Heather Vole
Phenacomys intermedius
Western Jumping Mouse
Zapus princeps
Western Pocket Gopher
Thomomys mazama
Western Red Bat
Lasiurus blossevillii
Western Red-backed Vole
Myodes californicus
Western Small-footed Myotis
Myotis ciliolabrum
Western Spotted Skunk
Spilogale gracilis
Western Yellow Bat
Lasiurus xanthinus
White-ankled Mouse
Peromyscus pectoralis
White-beaked Dolphin
Lagenorhynchus albirostris
White-eared Pocket Mouse
Perognathus alticola
White-footed Mouse
Peromyscus leucopus
White-footed Vole
Arborimus albipes
White-nosed Coati
Nasua narica
White-sided Jackrabbit
Lepus callotis
White-tailed Antelope Squirrel
Ammospermophilus leucurus
White-tailed Deer
Odocoileus virginianus
White-tailed Jackrabbit
Lepus townsendii
White-tailed Prairie Dog
Cynomys leucurus
White-throated Woodrat
Neotoma albigula
White-toothed Woodrat
Neotoma leucodon
Wolverine
Gulo gulo
Woodland Jumping Mouse
Napaeozapus insignis
Woodland Vole
Microtus pinetorum
Wyoming Ground Squirrel
Urocitellus elegans
Wyoming Pocket Gopher
Thomomys clusius
Y
