Mammals of Idaho
The mammals most often spotted in Idaho, ranked by recent research-grade observations.
Most-observed mammals in Idaho
Mule Deer
Odocoileus hemionus
3,875 observations
White-tailed Deer
Odocoileus virginianus
3,306 observations
Eastern Fox Squirrel
Sciurus niger
3,028 observations
Moose
Alces alces
2,676 observations
Columbian Ground Squirrel
Urocitellus columbianus
2,485 observations
Bighorn Sheep
Ovis canadensis
2,014 observations
American Red Squirrel
Tamiasciurus hudsonicus
1,952 observations
Mountain Goat
Oreamnos americanus
1,851 observations
Pronghorn
Antilocapra americana
1,697 observations
Elk
Cervus canadensis
1,481 observations
Common Golden-mantled Ground Squirrel
Callospermophilus lateralis
1,402 observations
American Black Bear
Ursus americanus
1,367 observations
Yellow-bellied Marmot
Marmota flaviventris
1,364 observations
American Beaver
Castor canadensis
1,100 observations
Hoary Marmot
Marmota caligata
853 observations
Red Fox
Vulpes vulpes
786 observations
Coyote
Canis latrans
756 observations
Mountain Cottontail
Sylvilagus nuttallii
741 observations
Muskrat
Ondatra zibethicus
707 observations
Brown Bear
Ursus arctos
631 observations
American Pika
Ochotona princeps
471 observations
American Bison
Bison bison
464 observations
Snowshoe Hare
Lepus americanus
454 observations
Common Raccoon
Procyon lotor
419 observations
North American Porcupine
Erethizon dorsatum
385 observations
Striped Skunk
Mephitis mephitis
319 observations
American Mink
Neogale vison
273 observations
Gray Wolf
Canis lupus
263 observations
Yellow-pine Chipmunk
Neotamias amoenus
263 observations
Uinta Ground Squirrel
Urocitellus armatus
262 observations · iNaturalist
American Badger
Taxidea taxus
261 observations
Least Chipmunk
Neotamias minimus
238 observations
Mountain Lion
Puma concolor
217 observations
Domestic Cat
Felis catus
209 observations
Richardson's Ground Squirrel
Urocitellus richardsonii
192 observations
Western Deer Mouse
Peromyscus sonoriensis
163 observations · iNaturalist
North American River Otter
Lontra canadensis
162 observations
Long-tailed Weasel
Neogale frenata
154 observations · iNaturalist
Bobcat
Lynx rufus
130 observations
Snake River Plains Ground Squirrel
Urocitellus idahoensis
118 observations · iNaturalist
European Rabbit
Oryctolagus cuniculus
112 observations · iNaturalist
Crater Chipmunk
Neotamias cratericus
110 observations · iNaturalist
Northern Pocket Gopher
Thomomys talpoides
81 observations · iNaturalist
Black-tailed Jackrabbit
Lepus californicus
80 observations
Pacific Marten
Martes caurina
77 observations · iNaturalist
Bushy-tailed Woodrat
Neotoma cinerea
73 observations
Idaho Ground Squirrel
Urocitellus brunneus
72 observations · iNaturalist
Red-tailed Chipmunk
Neotamias ruficaudus
66 observations · iNaturalist
Eastern Gray Squirrel
Sciurus carolinensis
58 observations
American Ermine
Mustela richardsonii
55 observations · iNaturalist