There are at least 50 small mammal species known to occur in Yellowstone National Park.
Species are listed by common name, scientific name, typical habitat and relative abundance. [1]
Order: Carnivora Family: Procyonidae
Order: Carnivora Family: Mustelidae
Order: Carnivora Family: Mephitidae
Order: Lagomorpha Family: Leporidae
Order: Lagomorpha Family: Ochotonidae
Order: Soricomorpha Family: Soricidae
Order: Rodentia Family: Castoridae
Order: Rodentia Family: Sciuridae
Order: Rodentia Family: Geomyidae
Order: Rodentia Family: Cricetidae
Order: Rodentia Family: Dipodidae
Order: Rodentia Family: Cricetidae
Order: Rodentia Family: Erethizontidae
Order: Chiroptera Family: Vespertilionidae
There are at least 14 large mammal and 50 small mammal species known to occur in Glacier National Park.
There are at least 9 large terrestrial mammal, 50 small mammal and 14 marine mammal species known to occur in Olympic National Park.
There are 67 native species of mammals in Rocky Mountain National Park, a 265,461 acres (107,428 ha) park in Colorado. Species are listed by common name, scientific name, habitat, and abundance. Species which are extirpated, or locally extinct, are marked with an EX.