Mammals of Idaho
The mammals most often spotted in Idaho, ranked by recent research-grade observations.
43,350
recent observations
50
species listed
50
mammals
Naturalists have logged 43,350 research-grade observations across the 50 most-recorded species in Idaho. The most frequently seen is the Mule Deer, with 4,157 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
4,157 observations
White-tailed Deer
Odocoileus virginianus
3,513 observations
Eastern Fox Squirrel
Sciurus niger
3,127 observations
Columbian Ground Squirrel
Urocitellus columbianus
2,894 observations
Moose
Alces alces
2,859 observations
Bighorn Sheep
Ovis canadensis
2,258 observations
American Red Squirrel
Tamiasciurus hudsonicus
2,171 observations
Mountain Goat
Oreamnos americanus
2,083 observations
Pronghorn
Antilocapra americana
1,769 observations
Common Golden-mantled Ground Squirrel
Callospermophilus lateralis
1,605 observations
Wapiti
Cervus canadensis
1,527 observations
American Black Bear
Ursus americanus
1,508 observations
Yellow-bellied Marmot
Marmota flaviventris
1,417 observations
American Beaver
Castor canadensis
1,143 observations
Hoary Marmot
Marmota caligata
978 observations
Red Fox
Vulpes vulpes
838 observations
Coyote
Canis latrans
780 observations
Mountain Cottontail
Sylvilagus nuttallii
780 observations
Muskrat
Ondatra zibethicus
732 observations
Brown Bear
Ursus arctos
689 observations
American Pika
Ochotona princeps
503 observations
American Bison
Bos bison
484 observations · iNaturalist
Snowshoe Hare
Lepus americanus
476 observations
Common Raccoon
Procyon lotor
442 observations
North American Porcupine
Erethizon dorsatum
402 observations
Striped Skunk
Mephitis mephitis
336 observations
American Mink
Neogale vison
292 observations
Uinta Ground Squirrel
Urocitellus armatus
281 observations
American Badger
Taxidea taxus
278 observations
Yellow-pine Chipmunk
Neotamias amoenus
278 observations
Gray Wolf
Canis lupus
272 observations
Least Chipmunk
Neotamias minimus
240 observations
Domestic Cat
Felis catus
225 observations
Mountain Lion
Puma concolor
223 observations
Richardson's Ground Squirrel
Urocitellus richardsonii
210 observations
Western Deer Mouse
Peromyscus sonoriensis
175 observations
North American River Otter
Lontra canadensis
170 observations
Long-tailed Weasel
Neogale frenata
169 observations · iNaturalist
Bobcat
Lynx rufus
134 observations
Snake River Plains Ground Squirrel
Urocitellus idahoensis
117 observations
European Rabbit
Oryctolagus cuniculus
114 observations · iNaturalist
Crater Chipmunk
Neotamias cratericus
110 observations
Northern Pocket Gopher
Thomomys talpoides
88 observations
Black-tailed Jackrabbit
Lepus californicus
85 observations
Pacific Marten
Martes caurina
79 observations
Bushy-tailed Woodrat
Neotoma cinerea
75 observations
Red-tailed Chipmunk
Neotamias ruficaudus
73 observations
Idaho Ground Squirrel
Urocitellus brunneus
72 observations · iNaturalist
Eastern Gray Squirrel
Sciurus carolinensis
61 observations
American Ermine
Mustela richardsonii
58 observations
Mammals in nearby places
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