List of mammals of Montana

There are 115 mammal species known to occur in Montana.

[1] Among Montana's mammals, three are listed as endangered or threatened and the Montana Department of Fish, Wildlife and Parks lists a number of species as species of concern.

[2] Species are listed by common and scientific names, as per R. S. Hoffman and D. L. Pattie, A Guide to Montana Mammals, 1968.

[3] Family: Didelphidae (true opossums) Family: Leporidae (rabbits and hares) Family: Ochotonidae (pikas) Family: Antilocapridae (pronghorns) Family: Bovidae (bovids) Family: Cervidae (deer) Family: Ursidae (bears) Family: Procyonidae (procyonids) Family: Felidae (cats) Family: Canidae (canids) Family: Mustelidae (mustelids) Family: Mephitidae (skunks) Family: Vespertilionidae (vesper bats[6]) Family: Soricidae Family: Castoridae (beavers) Family: Sciuridae (squirrels[8]) Family: Heteromyidae (pocket mice and kangaroo rats[9]) Family: Geomyidae (pocket gophers) Family: Dipodidae (jumping mice) Family: Cricetidae (New World mice and rats, voles, lemmings, muskrats[10]) Family: Muridae (Old World rats and mice) Family: Echimyidae (spiny rats) Family: Erethizontidae