List of mammals of Washington

Opossums

• Virginia opossum, Didelphis virginiana introduced

Shrews and moles

• Marsh shrew, Sorex bendirii
• Cinereus shrew, Sorex cinereus
• American pygmy shrew, Sorex hoyi
• Merriam's shrew, Sorex merriami
• Montane shrew, Sorex monticolus
• Preble's shrew, Sorex preblei
• Olympic shrew, Sorex rohweri
• Trowbridge's shrew, Sorex trowbridgii
• Vagrant shrew, Sorex vagrans

• American shrew mole, Neurotrichus gibbsii
• Coast mole, Scapanus orarius
• Townsend's mole, ''Scapanus townsendii''

Bats

• Pallid bat, Antrozous pallidus
• Townsend's big-eared bat, Corynorhinus townsendii
• Big brown bat, Eptesicus fuscus
• Spotted bat, Euderma maculatum
• Silver-haired bat, Lasionycteris noctivagans
• Hoary bat, Lasiurus cinereus
• California myotis, Myotis californicus
• Western small-footed myotis, Myotis ciliolabrum
• Long-eared myotis, Myotis evotis
• Keen's myotis, Myotis keenii
• Little brown myotis, Myotis lucifugus
• Fringed myotis, Myotis thysanodes
• Long-legged myotis, Myotis volans
• Yuma myotis, Myotis yumanensis
• Canyon bat, ''Parastrellus hesperus''

Lagomorphs

• American pika, Ochotona princeps

• Pygmy rabbit, Brachylagus idahoensis
• Snowshoe hare, Lepus americanus
• Black-tailed jackrabbit, Lepus californicus
• White-tailed jackrabbit, Lepus townsendii
• European rabbit, Oryctolagus cuniculus introduced
• Eastern cottontail, Sylvilagus floridanus
• Mountain cottontail, ''Sylvilagus nuttallii''

Rodents

• Mountain beaver, Aplodontia rufa

• Eastern gray squirrel, Sciurus carolinensis introduced
• Western gray squirrel, Sciurus griseus
• Fox squirrel, Sciurus niger
• Douglas squirrel, Tamiasciurus douglasii
• American red squirrel, Tamiasciurus hudsonicus
• Hoary marmot, Marmota caligata
• Yellow-bellied marmot, Marmota flaviventris
• Olympic marmot, Marmota olympus
• California ground squirrel, Otospermophilus beecheyi
• Golden-mantled ground squirrel, Callospermophilus lateralis
• Cascade golden-mantled ground squirrel, Callospermophilus saturatus
• Columbian ground squirrel, Urocitellus columbianus
• Piute ground squirrel, Urocitellus mollis
• Townsend's ground squirrel, Urocitellus townsendii
• Washington ground squirrel, Urocitellus washingtoni
• Yellow-pine chipmunk, Tamias amoenus
• Coulee chipmunk, Tamias grisescens
• Least chipmunk, Tamias minimus
• Red-tailed chipmunk, Tamias ruficaudus
• Townsend's chipmunk, Tamias townsendii
• Northern flying squirrel, Glaucomys sabrinus

• American beaver, Castor canadensis

• Ord's kangaroo rat, Dipodomys ordii
• Great Basin pocket mouse, Perognathus parvus

• Mazama pocket gopher, Thomomys mazama
• Northern pocket gopher, Thomomys talpoides

• Western jumping mouse, Zapus princeps
• Pacific jumping mouse, Zapus trinotatus

• Sagebrush vole, Lemmiscus curtatus
• Gray-tailed vole, Microtus canicaudus
• Long-tailed vole, Microtus longicaudus
• Montane vole, Microtus montanus
• Creeping vole, Microtus oregoni
• Western meadow vole, Microtus drummondii
• Water vole, Microtus richardsoni
• Townsend's vole, Microtus townsendii
• Southern red-backed vole, Clethrionomys gapperi
• Muskrat, Ondatra zibethicus
• Western heather vole, Phenacomys intermedius
• Northern bog lemming, Synaptomys borealis
• Bushy-tailed woodrat, Neotoma cinerea
• Northern grasshopper mouse, Onychomys leucogaster
• Western deer mouse, Peromyscus sonoriensis
• Northwestern deer mouse, Peromyscus keeni
• Western harvest mouse, Reithrodontomys megalotis

• House mouse, Mus musculus introduced
• Norway rat, Rattus norvegicus introduced
• Black rat, Rattus rattus introduced

• North American porcupine, Erethizon dorsatum

• Nutria, Myocastor coypus introduced

Carnivorans

• Coyote, Canis latrans
• Gray wolf, Canis lupus
• Gray fox, Urocyon cinereoargenteus
• Red fox, Vulpes vulpes

• American black bear, Ursus americanus
• Brown bear, Ursus arctos
• *Grizzly bear, U. a. horribilis

• Northern fur seal, Callorhinus ursinus
• Steller sea lion, Eumetopias jubatus
• California sea lion, Zalophus californianus

• Northern elephant seal, Mirounga angustirostris
• Harbor seal, Phoca vitulina

• Raccoon, Procyon lotor

• Striped skunk, Mephitis mephitis
• Western spotted skunk, Spilogale gracilis

• Canada lynx, Lynx canadensis
• Bobcat, Lynx rufus
• Cougar, Puma concolor

• Sea otter, Enhydra lutris
• North American river otter, Lontra canadensis
• Long-tailed weasel, Neogale frenata
• American mink, Neogale vison
• Fisher, Pekania pennanti
• American ermine, Mustela richardsonii
• Wolverine, Gulo gulo
• Pacific marten, Martes caurina
• American badger, ''Taxidea taxus''

Whales, dolphins and porpoises

• North Pacific right whale, Eubalaena japonica

• Minke whale, Balaenoptera acutorostrata
• Sei whale, Balaenoptera borealis
• Blue whale, Balaenoptera musculus
• Fin whale, Balaenoptera physalus
• Humpback whale, Megaptera novaengliae
• Gray whale, Eschrictius robustus

• Common dolphin, Delphinus delphis
• Risso's dolphin, Grampus griseus
• Pacific white-sided dolphin, Lagenorynchus obliquidens
• Northern right whale dolphin, Lissodelphis borealis
• Orca, Orcinus orca

• Beluga whale, Delphinapterus leucas vagrant

• Harbor porpoise, Phocoena phocoena
• Dall's porpoise, Phocoenoides dalli

• Pygmy sperm whale, Kogia breviceps
• Dwarf sperm whale, Kogia sima
• Sperm whale, Physeter macrocephalus

• Baird's beaked whale, Berardius bairdii
• Hubbs' beaked whale, Mesoplodon carlhubbsi
• Stejneger's beaked whale, Mesoplodon stejnegeri
• Cuvier's beaked whale, ''Ziphius cavirostris''

Even-toed ungulates

• Pronghorn, Antilocapra americana reintroduced

• American bison, Bison bison reintroduced
• Mountain goat, Oreamnos americanus
• Bighorn sheep, Ovis canadensis

• Moose, Alces alces
• Elk, Cervus canadensis
• Mule deer, Odocoileus hemionus
• White-tailed deer, Odocoileus virginianius
• Caribou, Rangifer tarandus extirpated
• *Boreal woodland caribou, R. t. caribou extirpated