Mammals of Rocky Mountain National Park
The mammals most often spotted in Rocky Mountain, ranked by recent research-grade observations.
19,806
recent observations
50
species listed
50
mammals
Naturalists have logged 19,806 research-grade observations across the 50 most-recorded species in Rocky Mountain. The most frequently seen is the Wapiti, with 5,589 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
5,589 observations
Common Golden-mantled Ground Squirrel
Callospermophilus lateralis
3,017 observations
Yellow-bellied Marmot
Marmota flaviventris
2,381 observations
Moose
Alces alces
2,258 observations
Mule Deer
Odocoileus hemionus
2,124 observations
American Pika
Ochotona princeps
1,197 observations
Wyoming Ground Squirrel
Urocitellus elegans
490 observations
Bighorn Sheep
Ovis canadensis
489 observations
Coyote
Canis latrans
272 observations
Least Chipmunk
Neotamias minimus
246 observations
Fremont's Squirrel
Tamiasciurus fremonti
238 observations · iNaturalist
Snowshoe Hare
Lepus americanus
181 observations
American Red Squirrel
Tamiasciurus hudsonicus
166 observations
Mountain Cottontail
Sylvilagus nuttallii
164 observations
Abert's Squirrel
Sciurus aberti
129 observations
American Black Bear
Ursus americanus
123 observations
Muskrat
Ondatra zibethicus
115 observations
Red Fox
Vulpes vulpes
89 observations
Pacific Marten
Martes caurina
87 observations · iNaturalist
Colorado Chipmunk
Neotamias quadrivittatus
77 observations
Long-tailed Weasel
Neogale frenata
77 observations · iNaturalist
Uinta Chipmunk
Neotamias umbrinus
75 observations · iNaturalist
American Mink
Neogale vison
29 observations
Bobcat
Lynx rufus
28 observations
Mountain Goat
Oreamnos americanus
20 observations
American Beaver
Castor canadensis
19 observations
American Ermine
Mustela richardsonii
19 observations · iNaturalist
North American River Otter
Lontra canadensis
17 observations
Northern Pocket Gopher
Thomomys talpoides
15 observations · iNaturalist
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 · iNaturalist
Western Meadow Vole
Microtus drummondii
4 observations · iNaturalist
Bushy-tailed Woodrat
Neotoma cinerea
3 observations
Long-eared Myotis
Myotis evotis
2 observations
Common Raccoon
Procyon lotor
2 observations
Desert Cottontail
Sylvilagus audubonii
2 observations
North American Porcupine
Erethizon dorsatum
2 observations
Black-tailed Prairie Dog
Cynomys ludovicianus
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
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