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Mammals of Grand Teton National Park

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

12,542
recent observations
50
species listed
50
mammals

Naturalists have logged 12,542 research-grade observations across the 50 most-recorded species in Grand Teton. The most frequently seen is the Moose, with 2,590 recorded sightings.

Rarer finds confirmed in Grand Teton include Grizzly Bear and Gray Wolf - uncommon enough that a sighting is worth logging.

Grizzly BearGray Wolf

Most-observed mammals in Grand Teton

Moose
Alces alces
2,590 observations
Wapiti
Cervus canadensis
1,135 observations
American Bison
Bos bison
1,015 observations · iNaturalist
Mule Deer
Odocoileus hemionus
902 observations
Uinta Ground Squirrel
Urocitellus armatus
863 observations
Yellow-bellied Marmot
Marmota flaviventris
808 observations
American Black Bear
Ursus americanus
760 observations
Pronghorn
Antilocapra americana
617 observations
American Red Squirrel
Tamiasciurus hudsonicus
582 observations
Common Golden-mantled Ground Squirrel
Callospermophilus lateralis
542 observations
American Pika
Ochotona princeps
508 observations
Brown Bear
Ursus arctos
434 observations
Red Fox
Vulpes vulpes
407 observations
American Beaver
Castor canadensis
263 observations
Coyote
Canis latrans
232 observations
Bighorn Sheep
Ovis canadensis
174 observations
Least Chipmunk
Neotamias minimus
117 observations
Muskrat
Ondatra zibethicus
80 observations
Pacific Marten
Martes caurina
72 observations
North American River Otter
Lontra canadensis
71 observations
Yellow-pine Chipmunk
Neotamias amoenus
56 observations
Gray Wolf
Canis lupus
42 observations
American Badger
Taxidea taxus
36 observations
White-tailed Deer
Odocoileus virginianus
34 observations
Long-tailed Weasel
Neogale frenata
30 observations · iNaturalist
North American Porcupine
Erethizon dorsatum
24 observations
Uinta Chipmunk
Neotamias umbrinus
20 observations
Northern Pocket Gopher
Thomomys talpoides
15 observations
American Mink
Neogale vison
15 observations
Snowshoe Hare
Lepus americanus
14 observations
Common Raccoon
Procyon lotor
13 observations
Mountain Lion
Puma concolor
11 observations
Western Deer Mouse
Peromyscus sonoriensis
9 observations
Mountain Goat
Oreamnos americanus
8 observations
Northwestern Jumping Mouse
Zapus saltator
7 observations · iNaturalist
Striped Skunk
Mephitis mephitis
6 observations
American Ermine
Mustela richardsonii
6 observations
Long-eared Myotis
Myotis evotis
5 observations
Bushy-tailed Woodrat
Neotoma cinerea
3 observations
Domestic Cattle
Bos taurus
3 observations
Southern Red-backed Vole
Clethrionomys gapperi
3 observations · iNaturalist
Western Meadow Vole
Microtus drummondii
2 observations
Little Brown Bat
Myotis lucifugus
1 observation
Northern Hoary Bat
Lasiurus cinereus
1 observation
Silver-haired Bat
Lasionycteris noctivagans
1 observation
Mountain Cottontail
Sylvilagus nuttallii
1 observation
Northern Flying Squirrel
Glaucomys sabrinus
1 observation
Domestic Dog
Canis familiaris
1 observation
Masked Shrew
Sorex cinereus
1 observation
Western Water Shrew
Sorex navigator
1 observation · iNaturalist

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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