List of mammals of Montana


There are 115 mammal species known to occur in Montana. 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.
Species are listed by common and scientific names, as per R. S. Hoffman and D. L. Pattie, A Guide to Montana Mammals, 1968.

New World opossums (Order: [Didelphimorphia])

Family: Didelphidae

Lagomorphs (Order: [Lagomorpha])

Family: Leporidae
Family: Ochotonidae

Even-toed ungulates (Order: [Artiodactyla])

Family: Antilocapridae
Family: Bovidae
Family: Cervidae

Carnivorans (Order: [Carnivora])

Family: Ursidae
Family: Procyonidae
Family: Felidae
Family: Canidae
Family: Mustelidae
Family: Mephitidae

Bats (Order: [Chiroptera])

Family: Vespertilionidae

Shrews (Order: [Eulipotyphla])

Family: Soricidae

Rodents (Order: [Rodentia])

Family: Castoridae
Family: Sciuridae
Family: Heteromyidae
Family: Geomyidae
Family: Dipodidae
Family: Cricetidae
Family: Muridae
Family: Echimyidae
  • Nutria, Myocastor coypus introduced
Family: Erethizontidae