List of mammals of Idaho

This list of mammals of Idaho includes all wild mammal species indigenous to the U.S. state of Idaho.^[1][2] Five mammal species introduced in the state include the eastern gray squirrel, Virginia opossum, house mouse, black rat, and the Norway rat. Mammals included in this list are drawn from the Idaho Department of Fish and Game.^[3]

Family: Soricidae

• Masked shrew, Sorex cinereus
• American pygmy shrew, Sorex hoyi
• Merriam's shrew, Sorex merriami
• Montane shrew, Sorex monticolus
• Dwarf shrew, Sorex nanus
• American water shrew, Sorex palustris
• Vagrant shrew, Sorex vagrans

Family: Talpidae

• Coast mole, Scapanus orarius

Family: Didelphidae

• Virginia opossum, Didelphis virginiana

Family: Castoridae

• North American beaver, Castor canadensis

Family: Geomyidae

• Idaho pocket gopher, Thomomys idahoensis
• Northern pocket gopher, Thomomys talpoides
• Townsend's pocket gopher, Thomomys townsendii

Family: Heteromyidae

• Chisel-toothed kangaroo rat, Dipodomys microps
• Ord's kangaroo rat, Dipodomys ordii
• Little pocket mouse, Perognathus longimembris
• Great Basin pocket mouse, Perognathus merriami

Family: Erethizontidae

• North American porcupine, Erethizon dorsatum

Family: Dipodidae

• Western jumping mouse, Zapus princeps

Family: Cricetidae

• Sagebrush vole, Lemmiscus curtatus
• Long-tailed vole, Microtus longicaudus
• Montane vole, Microtus montanus
• Prairie vole, Microtus ochrogaster
• Meadow vole, Microtus pennsylvanicus
• Water vole, Microtus richardsoni
• Southern red-backed vole, Myodes gapperii
• Bushy-tailed woodrat, Neotoma cinerea
• Desert woodrat, Neotoma lepida
• Southern plains woodrat, Neotoma micropus
• Muskrat, Ondatra zibethicus
• Northern grasshopper mouse, Onychomys leucogaster
• Brush mouse, Peromyscus boylii
• Canyon mouse, Peromyscus crinitus
• White-footed mouse, Peromyscus leucopus
• Northern rock mouse, Peromyscus nasutus
• Western deer mouse, Peromyscus sonoriensis
• Pinyon mouse, Peromyscus truei
• Western heather vole, Phenacomys intermedius
• Western harvest mouse, Reithrodontomys megalotis
• Northern bog lemming, Synaptomys borealis

Family: Muridae

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

Family: Sciuridae

• White-tailed antelope squirrel, Ammospermophilus leucurus
• Golden-mantled ground squirrel, Callospermophilus lateralis
• Northern flying squirrel, Glaucomys sabrinus
• Hoary marmot, Marmota caligata
• Yellow-bellied marmot, Marmota flaviventris
• Rock squirrel, Otospermophilus variegatus
• Yellow-pine chipmunk, Neotamias amoenus
• Cliff chipmunk, Neotamias dorsalis
• Least chipmunk, Neotamias minimus
• Red-tailed chipmunk, Neotamias ruficaudus
• Hopi chipmunk, Neotamias rufus
• Uinta chipmunk, Neotamias umbrinus
• Eastern gray squirrel, Sciurus carolinensis introduced
• Fox squirrel, Sciurus niger introduced
• American red squirrel, Tamiasciurus hudsonicus
• Uinta ground squirrel, Urocitellus armatus
• Belding's ground squirrel, Urocitellus beldingi
• Northern Idaho ground squirrel, Urocitellus brunneus
• Merriam's ground squirrel, Urocitellus canus
• Columbian ground squirrel, Urocitellus columbianus
• Wyoming ground squirrel, Urocitellus elegans
• Southern Idaho ground squirrel, Urocitellus endemicus
• Piute ground squirrel, Urocitellus mollis

Family: Leporidae

• Pygmy rabbit, Brachylagus idahodensis
• Snowshoe hare, Lepus americanus
• Black-tailed jackrabbit, Lepus californicus
• White-tailed jackrabbit, Lepus townsendii
• Mountain cottontail, Sylvilagus nuttallii

Family: Ochotonidae

• American pika, Ochotona princeps

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
• Eastern red bat, Lasiurus borealis
• Hoary bat, Lasiurus cinereus
• California myotis, Myotis californicus
• Western small-footed myotis, Myotis ciliolabrum
• Long-eared myotis, Myotis evotis
• Little brown bat, Myotis lucifugus
• Fringed myotis, Myotis thysanodes
• Long-legged myotis, Myotis volans
• Yuma myotis, Myotis yumanensis
• Western pipistrelle, Parastrellus hesperus

Family: Molossidae

• Big free-tailed bat, Nyctinomops macrotis
• Mexican free-tailed bat, Tadarida brasiliensis

Family: Felidae

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

Family: Canidae

• Coyote, Canis latrans
• Gray wolf, Canis lupus reintroduced
  • Northwestern wolf, C. l. occidentalis reintroduced
• Gray fox, Urocyon cinereoargenteus
• Kit fox, Vulpes macrotis
• Red fox, Vulpes vulpes

Family: Ursidae

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

Family: Mephitidae

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

Family: Mustelidae

• Wolverine, Gulo gulo
• North American river otter, Lontra canadensis
• Pacific marten, Martes caurina^[4]
• Black-footed ferret, Mustela nigripes extirpated
• American ermine, Mustela richardsonii
• Long-tailed weasel, Neogale frenata
• American mink, Neogale vison
• Fisher, Pekania pennanti
• American badger, Taxidea taxus

Family: Procyonidae

• Ringtail, Bassariscus astutus^[3]
• Raccoon, Procyon lotor

Family: Antilocapridae

• Pronghorn, Antilocapra americana

Family: Cervidae

• Moose, Alces alces
• Elk, Cervus canadensis
  • Rocky Mountain elk, C. c. nelsoni
• Mule deer, Odocoileus hemionus
• White-tailed deer, Odocoileus virginianus
• Caribou, Rangifer tarandus extirpated
  • Boreal woodland caribou, R. t. caribou extirpated

Family: Bovidae

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

• List of regional mammals lists
• List of prehistoric mammals
• Mammal classification