Mammals of Rocky Mountain National Park
The mammals most often spotted in Rocky Mountain, ranked by recent research-grade observations.
20,219
recent observations
50
species listed
50
mammals
Naturalists have logged 20,219 research-grade observations across the 50 most-recorded species in Rocky Mountain. The most frequently seen is the Wapiti, with 5,676 recorded sightings.
Rarer finds confirmed in Rocky Mountain include Bobcat - uncommon enough that a sighting is worth logging.
Most-observed mammals in Rocky Mountain
Wapiti
Cervus canadensis
5,676 observations
Common Golden-mantled Ground Squirrel
Callospermophilus lateralis
3,082 observations
Yellow-bellied Marmot
Marmota flaviventris
2,431 observations
Moose
Alces alces
2,296 observations
Mule Deer
Odocoileus hemionus
2,170 observations
American Pika
Ochotona princeps
1,254 observations
Bighorn Sheep
Ovis canadensis
496 observations
Wyoming Ground Squirrel
Urocitellus elegans
490 observations
Coyote
Canis latrans
278 observations
Least Chipmunk
Neotamias minimus
263 observations
Fremont's Squirrel
Tamiasciurus fremonti
240 observations
Snowshoe Hare
Lepus americanus
183 observations
American Red Squirrel
Tamiasciurus hudsonicus
167 observations
Mountain Cottontail
Sylvilagus nuttallii
165 observations
Abert's Squirrel
Sciurus aberti
133 observations
American Black Bear
Ursus americanus
128 observations
Muskrat
Ondatra zibethicus
115 observations
Red Fox
Vulpes vulpes
90 observations
Pacific Marten
Martes caurina
90 observations
Uinta Chipmunk
Neotamias umbrinus
87 observations
Colorado Chipmunk
Neotamias quadrivittatus
80 observations
Long-tailed Weasel
Neogale frenata
78 observations · iNaturalist
American Mink
Neogale vison
32 observations
Bobcat
Lynx rufus
28 observations
Mountain Goat
Oreamnos americanus
20 observations
American Beaver
Castor canadensis
19 observations
American Ermine
Mustela richardsonii
19 observations
North American River Otter
Lontra canadensis
17 observations
Northern Pocket Gopher
Thomomys talpoides
15 observations
Pronghorn
Antilocapra americana
13 observations
Mountain Lion
Puma concolor
9 observations
Little Brown Bat
Myotis lucifugus
7 observations
American Badger
Taxidea taxus
6 observations
Eastern Fox Squirrel
Sciurus niger
5 observations
Rock Squirrel
Otospermophilus variegatus
4 observations
Western Deer Mouse
Peromyscus sonoriensis
4 observations
Western Meadow Vole
Microtus drummondii
4 observations
North American Porcupine
Erethizon dorsatum
3 observations
Bushy-tailed Woodrat
Neotoma cinerea
3 observations
Black-tailed Prairie Dog
Cynomys ludovicianus
3 observations
Long-eared Myotis
Myotis evotis
2 observations
Common Raccoon
Procyon lotor
2 observations
Desert Cottontail
Sylvilagus audubonii
2 observations
Western Spotted Skunk
Spilogale gracilis
2 observations
Thirteen-lined Ground Squirrel
Ictidomys tridecemlineatus
2 observations
Southern Red-backed Vole
Clethrionomys gapperi
2 observations · iNaturalist
Big Brown Bat
Eptesicus fuscus
1 observation
Northern Hoary Bat
Lasiurus cinereus
1 observation
Silver-haired Bat
Lasionycteris noctivagans
1 observation
Striped Skunk
Mephitis mephitis
1 observation
Mammals in nearby places
Out spotting mammals in Rocky Mountain?
Take Huck with you. Identify any mammal you find in seconds and build your collection.
Get HuckLove mammals? Get Huck field notes
Spotting tips, new species, and the best of what people are finding in the wild - straight to your inbox.