Taxonomy of Pacific Northwest Terrestrial Mammals

Pouched Mammals, Didelphimorpha
Opossums, Didelphida
   Opossums, Didelphis
      Virginia Opossum, Didelphis virginianus

Insect-eating Mammals, Insectivora
Shrews, Soricidae
   Shrew, Sorex
      Masked shrew, Sorex cinereus
      Montane shrew, Sorex monticolus
      Masked shrew, Sorex cinereus
      Wandering (vagrant) shrew, Sorex vagrans
      Dusky and Yaquina shrews, Sorex obscurus and Sorex yaquinae
      Pacific shrew, Sorex pacificus
      Marsh shrew, Sorex bendirei
      Northern water shrew, Sorex palustris
      Trowbridge shrew, Sorex trowbridgei
      Preble's shrew, Sorex preblei
      Fog shrew, Sorex sonomae

Moles, Talpidae
   American Shrew-mole, NeŘrotrichus
      American Shrew-mole, NeŘrotrichus gibbsi
   Western American Moles, Scapanus
      Townsend mole, Scapanus townsendi
      Coast mole, Scapanus orarius
      Broad-handed mole, Scapanus latimanus

Hopping Mammals, Lagomorpha
Pikas or rock Rabbits, Ochotonidae
   Pikas, Ochotona
      Pika, Ochotona princeps

Hares and Rabbits, Leporidae
   Hares, Lepus
      Snowshoe hare, Lepus americanus
      Black-tailed hare, Lepus californicus
      White-tailed hare, Lepus townsendii
   Rabbits, Sylvilagus
      Brush rabbit, Sylvilagus bachmani
      Eastern cottontail, Sylvilagus floridanus
      Mountain cottontail, Sylvilagus nuttalli
      Pygmy rabbit, Brachylaus idahoensis

Gnawing Mammals, Rodentia
Mountain Beaver, Aplodontidae
   Mountain Beaver, Aplodontia
      Mountain beaver, Aplodontia rufa

Chipmunks and Squirrels, Sciuridae
   Chipmunks, Tamias
      Townsend chipmunk, Tamias townsendi
      Yellow-pine chipmunk, Tamias amoenus
      Least chipmunk, Tamias minimus
   Ground Squirrels, Spermophilus
      Beechey ground squirrel, Spermophilus beldingi
      Golden-mantled ground squirrel, Spermophilus lateralis
      California ground squirrel, Spermophilus beecheyi
      Columbian ground squirrel, Spermophilus columbianus
      Wyoming ground squirrel, Spermophilus elegans
      Townsends ground squirrel, Spermophilus townsendii
      Merriam's ground squirrel, Spermophilus canus
      Piute ground squirrel, Spermophilus mollis
      Washington ground squirrel, Spermophilus washingtoni
      White-tailed antelope squirrel, Amonspermophilus leucurus
   Marmots, Marmota
      Yellow-bellied marmot, Marmota flaviventris
      Hoary marmot, Marmota caligata
      Olympic marmot, Marmota olympus
      Woodchuck, Marmota monax
   Gray Squirrels and Fox Squirrels Sciurus
      Western gray squirrel, Sciurus Griseus
      Eastern gray squirrel, Sciurus carolinensis
      Eastern fox squirrel, Sciurus niger
   Red Squirrels and Chickarees Tamiasciurus
      Douglas squirrel, Tamiasciurus douglasi
      Red squirrel, Tamiasciurus hudsonicus
   Flying Squirrels Galaucomys
      Northern flying squirrel, Galaucomys sabrinus

Pocket Mice and Kangaroo Rats, Heteromyidae
   Kangaroo Rats, Dipodomys
      Heermann kangaroo rat, Dipodomys heermanni

Pocket Gophers, Geomyidae
   Western Pocket Gophers, Thomomys
      Camas pocket gophers, Thomomys bulbivorus
      Mazama pocket gophers, Thomomys mazama
      Botta's pocket gophers, Thomomys bottae
      Northern pocket gophers, Thomomys talpoides
      Townsend's pocket gophers, Thomomys townsendii

True Beavers, Castoridae
   True Beaver, Castor
      North American beaver, Castor canadensis

Rats and Mice, Muridae
Indigenous Rats and Mice, Sigmodontinae
   Harvest Mice, Reithrodontomys
       Western harvest mouse, Reithrodontomys megalotis
   Deer Mice and White-footed Mice, Peromyscus
       Deer Mouse, Peromyscus maniculatus
       Pi˝on Mouse, Peromyscus truei
   Woodrats, Neotoma
       Dusky-footed woodrat, Neotoma fuscipes
       Bushy-tailed woodrat, Neotoma cinerea
       Desert woodrat, Neotoma lepida

Voles, Arvicolinae
   Red-backed Voles, Clethrionomys
       California red-backed Vole, Clethrionomys californicus
   Heather Voles, Phenacomys
       Heather vole, Phenacomys intermedius
   White-footed Vole and Tree Voles, Arborimus
       White-footed vole, Arborimus albipes
       Oregon red tree vole, Arborimus longicaudus
   Meadow Voles, Microtus
       Townsend vole, Microtus townsendi
       Long-tailed vole, Microtus longicaudus
       Creeping or Oregon vole, Microtus oregoni
       Gray-tailed vole, Microtus canicaudus
       Montane vole, Microtus montanus
       California vole, Microtus californicus
       Water vole, Microtus richardsoni
   Muskrats, Ondatra
       Muskrat, Ondatra zibethicus

Old World Rats and Mice, Murinae
   Old World Rats, Rattus
       Black Rats, Rattus rattus
       Norway Rats, Rattus norvegicus
   House Mice, Mus
       House Mouse, Mus musculus

Birch Mice and Jumping Mice, Zapodidae
   North American Jumping Mice, Zapus
       Pacific jumping mouse, Zapus trinotatus

New World Porcupines, Erethizontidae
   North American Porcupines, Erethizon
       North American porcupine, Erethizon doratum

Coypus, Myocastoridae
   Coypus, Myocastor
       Coypu or Nutria Myocastor coypus

Flesh-eating mammals, Carnivora
Dogs and Foxes, Canidae
   Dogs, Coyotes, Wolves, Canis
      Coyote, Canis latrans
   Red foxes, Vulpes
      Red fox, Vulpes vulpes
   Gray foxes, Urocyon
      Gray fox, Urocyon cinereoargenteus

Bears, Ursidae
   North American Black Bear, Ursus
      North American black bear, Ursus Americanus

Ringtails, Raccoons, and Allies, Procyonidae
   Ringtail, Bassariscus
      Ringtail, Bassariscus Astutus
   Raccoons, Procyon
      Raccoon, Procyon lotor

Martens, Weasels, Skumks, Otters, and Allies, Mustelidae
   Martens and Fishers, Martes
      North American marten, Martes americana
      Fisher or Pekan, Martes pennanti
   Wolverine, Gulo
      Wolverine, Gulo gulo
   Weasels, Minks, and Allies, Mustela
      Short-tailed weasel, Mustela erminea
      Long-tailed weasel, Mustela frenata
      Mink, Mustela vison
   Spotted Skunks, Spilogale
      Spotted skunk, Spilogale putorius
   Striped and Hooded Skunks, Mephitis
      Striped skunk, Mephitis mephitis
   River Otters, Lutra
      River Otter, Lutra canadensis

Cats, Lynxes, and Allies, Felidae
   True Cats, Felis
      Puma, cougar, or mountain lion, Felis concolor
   Lynxes and Bobcats, Lynx
      Bobcat, Lynx rufus
      Lynx, Lynx canadensis

Even-toed hoofed Mammals, Artiocactyla
North American Elk, Deer, and Allies, Cervidae
   North American Elk, and Allies, Cervus
      North American Elk, Cervus elephus
   Mule Deer and White-tailed Deer, Odocoileus Cervus
      Mule deer, Odocoileus hemionus
      White-tailed deer, Odocoileus virginianus
Pronghorn, Antilocapridae
      Pronghorn, Antilocaprial americana
Sheep and goats, Bovidae
      Bison, Bos bison
      Mountain goat, Oreamnos americanus
      Bighorn sheep, Ovis canadensis

Compiled from Maser (1998), Cassaway and Verts (1998), Eder (2002), and Ingles (1965).

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