There are at least 16 large and 45 small mammal species known to occur in Grand Teton National Park. Species are listed by common name, scientific name, and relative abundance.
a – Abundant – likely to be seen in appropriate habitat and season.
c – Common – frequently seen in appropriate habitat and season.
u – Uncommon – seen irregularly in appropriate habitat and season.
r – Rare – unexpected even in appropriate habitat and season.
x – Accidental – out of known range, or reported only once or twice.
? – Questionable – verification unavailable.
Order: Carnivora Family: Ursidae
Black bear, Ursus americanus, c
Grizzly bear, Ursos arctos, u
Order: Carnivora Family: Canidae
Coyote, Canis latrans, a
Gray wolf, Canis lupus, u
Red fox, Vulpes vulpes, r
Order: Carnivora Family: Felidae
Bobcat Felis rufus, r
Canadian lynx, Felis lynx, r
Cougar, Felis concolor, r
Order: Artiodactyla Family: Cervidae
Elk (wapiti), Cervus elaphus, a
Mule deer, Odocoileus hemionus, c
White-tailed deer, Odocoileus virginianus, r
Moose, Alces alces, a
Order: Artiodactyla Family: Antilocapridae
Pronghorn, Antilocapra americana, c
Order: Artiodactyla Family: Bovidae
Bison, Bison bison, c
Mountain goat, Oreamnos americanus, x
Bighorn sheep, Ovis canadensis, u
Order: Carnivora Family: Procyonidae
Raccoon, Procyon lotor, r
Badgers and weasels
Order: Carnivora Family: Mustelidae
American badger, Taxidea taxus, c
American marten, Martes americana, c
American mink, Neovison vison, riparian forests, u
North American river otter, Lontra canadensis, c
Least weasel, Mustela nivalis, r
Long-tailed weasel, Mustela frenata, c
Short-tailed weasel, Mustela erminea, u
Wolverine, Gulo gulo, alpine, r
Order: Carnivora Family: Mephitidae
Striped skunk, Mephitis mephitis, u
Hares and rabbits
Order: Lagomorpha Family: Leporidae
Snowshoe hare, Lepus americanus, c
White-tailed jackrabbit, Lepus townsendii, u
Order: Lagomorpha Family: Ochotonidae
American pika, Ochotona princeps, c
Order: Soricomorpha Family: Soricidae
Masked shrew, Sorex cinereus, c
American water shrew, Sorex palustris, u
Dwarf shrew, Sorex nanus, r
Vagrant shrew, Sorex vagrans, c
Order: Rodentia Family: Castoridae
Beaver, Castor canadensis, a
Order: Rodentia Family: Sciuridae
Least chipmunk, Tamias minimus, a
Uinta chipmunk, Tamias umbrinus, u
Yellow-pine chipmunk, Tamias amoenus, c
Yellow-bellied marmot, Marmota flaviventris, c
Golden-mantled ground squirrel, Spermophilus lateralis, c
Northern flying squirrel, Glaucomys sabrinus, u
American red squirrel, Tamiasciurus hudsonicus, a
Uinta ground squirrel, Spermophilus armatus, a
Order: Rodentia Family: Geomyidae
Northern pocket gopher, Thomomys talpoides, u
Order: Rodentia Family: Cricetidae
Deer mouse, Peromyscus maniculatus, a
Order: Rodentia Family: Dipodidae
Western jumping mouse, Zapus princeps, c
Muskrats, voles and woodrats
Order: Rodentia Family: Cricetidae
Muskrat, Ondatra zibethicus, c
Western heather vole, Phenacomys intermedius, c
Long-tailed vole, Microtus longicaudus, u
Meadow vole, Microtus pennsylvanicus, a
Montane vole, Microtus montanus, a
Sagebrush vole, Lemmiscus curtatus, r
Southern red-backed vole, Myodes gapperi, c
Water vole, Microtus richardsoni, c
Bushy-tailed woodrat, Neotoma cinerea, u
Order: Rodentia Family: Erethizontidae
North American porcupine, Erethizon dorsatum, c
Order: Chiroptera Family: Vespertilionidae
Big brown bat, Eptesicus fuscus, u
Hoary bat, Lasiurus cinereus, u
Little brown bat, Myotis lucifugus, c
Long-eared bat, Myotis evotis, u
Long-legged bat, Myotis volans, u
Silver-haired bat, Lasionycteris noctivagans, u
