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Mammals of Glacier National Park

The mammals most often spotted in Glacier, ranked by recent research-grade observations.

11,837
recent observations
50
species listed
50
mammals

Naturalists have logged 11,837 research-grade observations across the 50 most-recorded species in Glacier. The most frequently seen is the Columbian Ground Squirrel, with 1,832 recorded sightings.

Rarer finds confirmed in Glacier include Grizzly Bear, Gray Wolf, Canada Lynx and Wolverine - uncommon enough that a sighting is worth logging.

Grizzly BearGray WolfCanada LynxWolverine

Most-observed mammals in Glacier

Columbian Ground Squirrel
Urocitellus columbianus
1,832 observations
Mountain Goat
Oreamnos americanus
1,814 observations
Bighorn Sheep
Ovis canadensis
1,554 observations
Hoary Marmot
Marmota caligata
974 observations
Common Golden-mantled Ground Squirrel
Callospermophilus lateralis
829 observations
American Black Bear
Ursus americanus
774 observations
Moose
Alces alces
707 observations
Mule Deer
Odocoileus hemionus
692 observations
White-tailed Deer
Odocoileus virginianus
622 observations
Brown Bear
Ursus arctos
599 observations
American Red Squirrel
Tamiasciurus hudsonicus
403 observations
Red Fox
Vulpes vulpes
135 observations
Snowshoe Hare
Lepus americanus
117 observations
American Pika
Ochotona princeps
94 observations
American Beaver
Castor canadensis
82 observations
Wapiti
Cervus canadensis
69 observations
Yellow-pine Chipmunk
Neotamias amoenus
58 observations
Gray Wolf
Canis lupus
52 observations
Red-tailed Chipmunk
Neotamias ruficaudus
47 observations
Yellow-bellied Marmot
Marmota flaviventris
41 observations
Long-tailed Weasel
Neogale frenata
29 observations · iNaturalist
American Marten
Martes americana
28 observations
Coyote
Canis latrans
25 observations
Muskrat
Ondatra zibethicus
21 observations
Least Chipmunk
Neotamias minimus
21 observations
Eastern Fox Squirrel
Sciurus niger
20 observations
Mountain Lion
Puma concolor
17 observations
Striped Skunk
Mephitis mephitis
16 observations
Canada Lynx
Lynx canadensis
15 observations
Wolverine
Gulo gulo
14 observations
American Bison
Bos bison
13 observations · iNaturalist
American Mink
Neogale vison
13 observations
Western Deer Mouse
Peromyscus sonoriensis
12 observations
American Ermine
Mustela richardsonii
10 observations
Common Raccoon
Procyon lotor
9 observations
Northwestern Jumping Mouse
Zapus saltator
8 observations · iNaturalist
Mountain Cottontail
Sylvilagus nuttallii
7 observations
North American Porcupine
Erethizon dorsatum
7 observations
Richardson's Ground Squirrel
Urocitellus richardsonii
7 observations
Domestic Horse
Equus caballus
7 observations
North American River Otter
Lontra canadensis
6 observations
Southern Red-backed Vole
Clethrionomys gapperi
6 observations · iNaturalist
Silver-haired Bat
Lasionycteris noctivagans
5 observations
American Badger
Taxidea taxus
5 observations
Pronghorn
Antilocapra americana
4 observations
European Rabbit
Oryctolagus cuniculus
4 observations
Bushy-tailed Woodrat
Neotoma cinerea
4 observations
Northern Pocket Gopher
Thomomys talpoides
3 observations
Northern Flying Squirrel
Glaucomys sabrinus
3 observations
Thirteen-lined Ground Squirrel
Ictidomys tridecemlineatus
3 observations

Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.

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