There are 67 native species of mammals in Rocky Mountain National Park, a 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.
Pronghorn Order: Artiodactyla Family: Antilocapridae
Pronghorn, Antilocapra americana, meadows, grasslands, sagebrush, occasional
Bovids
Order: Artiodactyla Family: Bovidae
American bison, Bos bison, meadows, grasslands, tundra, extirpated EX Aurochs, Bos taurus, meadows, Ex, E Mountain goat, Oreamnos americanus, cliffs, rocky areas, occasional (non-native) Bighorn sheep, Ovis canadensis, cliffs, rocky areas, tundra, common
Moose, elk, and deer
Order: Artiodactyla Family: Cervidae
Moose, Alces alces, montane and subalpine forests, riparian, meadows, uncommon Elk, Cervus elaphus, montane, and subalpine forests, meadows, tundra, abundant Mule deer, Odocoileus hemionus, montane and subalpine forests, meadows, common White-tailed deer, Odocoileus virginianus, montane forests, meadows, occasional
Canids Order: Carnivora Family: Canidae
Coyote, Canis latrans, montane and subalpine forests, meadows, tundra, common Gray wolf, Canis lupus, montane and subalpine forests, meadows, tundra, extirpated EX Gray fox, Urocyon cineoargentus, montane forests, meadows, unconfirmed Red fox, Vulpes vulpes, montane and subalpine forests, meadows, common
Cats Order: Carnivora Family: Felidae
Canada lynx, Lynx canadensis, subalpine forests, rare Bobcat, Lynx rufus, montane and subalpine forests, meadows, common Cougar, Puma concolor, montane and subalpine forests, uncommon
Skunks Order: Carnivora Family: Mephitidae
Striped skunk, Mephitis mephitis, montane forests, meadows, riparian, uncommon Western spotted skunk, Spilogale gracilis, montane forests, meadows, riparian, rare
Weasels
Order: Carnivora Family: Mustelidae
Wolverine, Gulo gulo, subalpine forests, alpine tundra, occasional North American river otter, Lontra canadensis, rivers, riparian, uncommon American marten, Martes americana, montane and subalpine forests, uncommon Ermine, Mustela erminea, montane and subalpine forests, alpine tundra, meadows, uncommon Long-tailed weasel, Mustela frenata, montane and subalpine forests, alpine tundra, meadows, common American mink, Mustela vison, rivers, lakes, riparian, rare American badger, Taxidea taxus, meadows, grasslands, uncommon
Raccoons and Ringtails Order: Carnivora Family: Procyonidae
Common raccoon, Procyon lotor, montane forests, riparian, uncommon Ring-tailed cat, Bassariscus astutus, montane forests, riparian, rare, if present
Bears Order: Carnivora Family: Ursidae
Grizzly bear, Ursus arctos, montane and subalpine forests, alpine tundra, meadows, extirpated EX American black bear, Ursus americanus, montane and subalpine forests, common
Bats Order: Chiroptera Family: Vespertilionidae
Silver-haired bat, Lasionycteris noctivagans, montane and subalpine forests, riparian, meadows, common Hoary bat, Lasiurus cinereus, montane and subalpine forests, riparian, meadows, uncommon Western small-footed myotis, Myotis ciliolabrum, montane forests, riparian, meadows rare, if present Long-eared myotis, Myotis evotis, montane and subalpine forests, riparian, meadows, uncommon Little brown bat, Myotis lucifugus, montane and subalpine forests, riparian, meadows, uncommon Big brown bat, Eptesicus fuscus, montane and subalpine forests, riparian, meadows, rare, if present Long-legged myotis, Myotis volans, montane forests, riparian, meadows, uncommon Townsend's big-eared bat, Plecotus townsendii, montane and subalpine forest, riparian, meadows, rare, if present
Free-tailed bats Order: Chiroptera Family: Molossidae
Brazilian free-tailed bat, Tadarida brasiliensis, montane forests, meadows, rocky areas, rare, if present
Hares and rabbits
Order: Lagomorpha Family: Leporidae
Snowshoe hare, Lepus americanus, montane and subalpine forests, meadows, alpine tundra, common White-tailed jackrabbit, Lepus townsendii, montane and subalpine forests, meadows, alpine tundra, rare Mountain cottontail, Sylvilagus nuttallii, montane forests, riparian, meadows, uncommon Eastern cottontail, Sylvilagus floridanus, montane forests, rare, if present
Pikas
Order: Lagomorpha Family: Ochotonidae
American pika, Ochotona princeps, rocky areas, alpine tundra, common
Beavers Order: Rodentia Family: Castoridae
American beaver, Castor canadensis, rivers, streams, lakes, riparian, uncommon
Voles and mice Order: Rodentia Family: Cricetidae
Southern red-backed vole, Clethrionomys gapperi, montane and subalpine forests, common Long-tailed vole, Microtus longicaudis, montane and subalpine forests, meadows, riparian, uncommon Montane vole, Microtus montanus, meadows, riparian, common Meadow vole, Microtus pennsylvanicus, meadows, riparian, rare, if present Sagebrush vole, Lagurus curtatus, meadows, sagebrush flats, rare, if present Bushy-tailed woodrat, Neotoma cinerea, montane and subalpine forests, meadows, riparian, uncommon Mexican woodrat, Neotoma mexicana, montane forests, meadows, riparian, rare, if present Common muskrat, Ondatra zibethicus, marshes, lakes, riparian, uncommon Deer mouse, Peromyscus maniculatus, montane and subalpine forests, meadows, riparian, alpine tundra, abundant Northern rock mouse, Peromyscus nasutus, montane forests, meadows, riparian, uncommon Western heather vole, Phenacomus intermedius, montane and subalpine forests, meadows, alpine tundra, uncommon
Jumping mice Order: Rodentia Family: Dipodidae
Western jumping mouse, Zapus princeps, deciduous forests, meadows, riparian, common
Porcupines
Order: Rodentia Family: Erethizontidae
North American porcupine, Erethizon dorsatum, montane and subalpine forests, riparian, uncommon
Pocket gophers Order: Rodentia Family: Geomyidae
Northern pocket gopher, Thomomys talpoides, meadows, alpine tundra, common
Squirrels
Order: Rodentia Family: Sciuridae
Yellow-bellied marmot, Marmota flaviventris, montane and subalpine forests, meadows, alpine tundra, common Abert's squirrel, Sciurus aberti, montane ponderosa pine forests, uncommon Fox squirrel, Sciurus niger, riparian, rare (Non-native) Wyoming ground squirrel, Urocitellus elegans, montane forests, meadows, common Golden-mantled ground squirrel, Spermophilus lateralis, montane and subalpine forests, meadows, riparian, common Rock squirrel, Spermophilus variegiatus, montane forests, rare, if present Least chipmunk, Tamias minimas, montane and subalpine forests, meadows, riparian, common Colorado chipmunk, Tamias quadrivittatus, montane forests, meadows, rare, if present Uinta chipmunk, Neotamias umbrinus, montane and subalpine forests, meadows, riparian, common Pine squirrel, Tamiasciurus hudsonicus, montane and subalpine forests, riparian, common
Shrews Order: Soricomorpha Family: Soricidae
Masked shrew, Sorex cinereus, montane and subalpine forests, riparian, meadow, alpine tundra, common American pygmy shrew, Sorex hoyi, montane and subalpine forests, riparian, meadow, uncommon Montane shrew, Sorex monticolus, montane and subalpine forests, riparian, meadow, common Dwarf shrew, Sorex nanus, subalpine forests, meadow, alpine tundra, rare American water shrew, Sorex palustris, lakes, streams, marshes, riparian, uncommon
References