Mammals of Idaho
The mammals most often spotted in Idaho, ranked by recent research-grade observations.
44,218
recent observations
50
species listed
50
mammals
Naturalists have logged 44,218 research-grade observations across the 50 most-recorded species in Idaho. The most frequently seen is the Mule Deer, with 4,240 recorded sightings.
Rarer finds confirmed in Idaho include Grizzly Bear, Gray Wolf and Bobcat - uncommon enough that a sighting is worth logging.
Most-observed mammals in Idaho
Mule Deer
Odocoileus hemionus
4,240 observations
White-tailed Deer
Odocoileus virginianus
3,589 observations
Eastern Fox Squirrel
Sciurus niger
3,152 observations
Columbian Ground Squirrel
Urocitellus columbianus
2,942 observations
Moose
Alces alces
2,918 observations
Bighorn Sheep
Ovis canadensis
2,297 observations
American Red Squirrel
Tamiasciurus hudsonicus
2,232 observations
Mountain Goat
Oreamnos americanus
2,127 observations
Pronghorn
Antilocapra americana
1,795 observations
Common Golden-mantled Ground Squirrel
Callospermophilus lateralis
1,667 observations
American Black Bear
Ursus americanus
1,577 observations
Wapiti
Cervus canadensis
1,544 observations
Yellow-bellied Marmot
Marmota flaviventris
1,423 observations
American Beaver
Castor canadensis
1,157 observations
Hoary Marmot
Marmota caligata
1,002 observations
Red Fox
Vulpes vulpes
853 observations
Coyote
Canis latrans
791 observations
Mountain Cottontail
Sylvilagus nuttallii
791 observations
Muskrat
Ondatra zibethicus
746 observations
Brown Bear
Ursus arctos
711 observations
American Pika
Ochotona princeps
522 observations
American Bison
Bos bison
489 observations · iNaturalist
Snowshoe Hare
Lepus americanus
487 observations
Common Raccoon
Procyon lotor
451 observations
North American Porcupine
Erethizon dorsatum
407 observations
Striped Skunk
Mephitis mephitis
344 observations
American Mink
Neogale vison
299 observations
Uinta Ground Squirrel
Urocitellus armatus
290 observations
Yellow-pine Chipmunk
Neotamias amoenus
286 observations
American Badger
Taxidea taxus
285 observations
Gray Wolf
Canis lupus
275 observations
Least Chipmunk
Neotamias minimus
243 observations
Domestic Cat
Felis catus
225 observations
Mountain Lion
Puma concolor
224 observations
Richardson's Ground Squirrel
Urocitellus richardsonii
219 observations
Western Deer Mouse
Peromyscus sonoriensis
187 observations
Long-tailed Weasel
Neogale frenata
174 observations · iNaturalist
North American River Otter
Lontra canadensis
171 observations
Bobcat
Lynx rufus
134 observations
Snake River Plains Ground Squirrel
Urocitellus idahoensis
117 observations
European Rabbit
Oryctolagus cuniculus
116 observations · iNaturalist
Crater Chipmunk
Neotamias cratericus
112 observations
Northern Pocket Gopher
Thomomys talpoides
92 observations
Black-tailed Jackrabbit
Lepus californicus
87 observations
Bushy-tailed Woodrat
Neotoma cinerea
79 observations
Pacific Marten
Martes caurina
79 observations
Red-tailed Chipmunk
Neotamias ruficaudus
75 observations
Idaho Ground Squirrel
Urocitellus brunneus
72 observations · iNaturalist
Eastern Gray Squirrel
Sciurus carolinensis
62 observations
American Ermine
Mustela richardsonii
61 observations
Mammals in nearby places
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