List of mammals of Washington
From Wikipedia, the free encyclopedia

The list of mammals of Washington lists mammalian species that live in the U.S. state of Washington,[1][2] including 9 introduced mammal species.[3] The list does not include species found exclusively in captivity.
Shrews and moles

Family: Soricidae
- 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
Family: Talpidae
- American shrew mole, Neurotrichus gibbsii
- Coast mole, Scapanus orarius
- Townsend's mole, Scapanus townsendii
Bats

Family: Vespertilionidae
- 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
Family: Ochotonidae
- American pika, Ochotona princeps
Family: Leporidae
- 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

Family: Aplodontiidae
- Mountain beaver, Aplodontia rufa
Family: Sciuridae
- Eastern gray squirrel, Sciurus carolinensis introduced[5]
- 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
Family: Castoridae
- American beaver, Castor canadensis
Family: Heteromyidae
- Ord's kangaroo rat, Dipodomys ordii
- Great Basin pocket mouse, Perognathus parvus
Family: Geomyidae
- Mazama pocket gopher, Thomomys mazama
- Northern pocket gopher, Thomomys talpoides
Family: Zapodidae
- Western jumping mouse, Zapus princeps
- Pacific jumping mouse, Zapus trinotatus
Family: Cricetidae
- 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
Family: Muridae
- House mouse, Mus musculus introduced
- Norway rat, Rattus norvegicus introduced
- Black rat, Rattus rattus introduced
Family: Erethizontidae
- North American porcupine, Erethizon dorsatum
Family: Myocastoridae
- Nutria, Myocastor coypus introduced
Carnivorans

Family: Canidae
- Coyote, Canis latrans
- Gray wolf, Canis lupus
- Gray fox, Urocyon cinereoargenteus
- Red fox, Vulpes vulpes
Family: Ursidae
- American black bear, Ursus americanus
- Brown bear, Ursus arctos
- Grizzly bear, U. a. horribilis
Family: Otariidae
- Northern fur seal, Callorhinus ursinus
- Steller sea lion, Eumetopias jubatus
- California sea lion, Zalophus californianus
Family: Phocidae
- Northern elephant seal, Mirounga angustirostris
- Harbor seal, Phoca vitulina
Family: Procyonidae
- Raccoon, Procyon lotor
Family: Mephitidae
- Striped skunk, Mephitis mephitis
- Western spotted skunk, Spilogale gracilis
Family: Felidae
- Canada lynx, Lynx canadensis
- Bobcat, Lynx rufus
- Cougar, Puma concolor
Family: Mustelidae
- 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

