Mammals of Olympic National Park
The mammals most often spotted in Olympic, ranked by recent research-grade observations.
Most-observed mammals in Olympic
Mule Deer
Odocoileus hemionus
2,380 observations
Elk
Cervus canadensis
876 observations
Olympic Marmot
Marmota olympus
851 observations
Douglas's Squirrel
Tamiasciurus douglasii
829 observations
Yellow-pine Chipmunk
Neotamias amoenus
477 observations
Harbor Seal
Phoca vitulina
337 observations
American Black Bear
Ursus americanus
329 observations
Snowshoe Hare
Lepus americanus
257 observations
Townsend's Chipmunk
Neotamias townsendii
257 observations
North American River Otter
Lontra canadensis
252 observations
Common Raccoon
Procyon lotor
144 observations
Sea Otter
Enhydra lutris
108 observations
Mountain Goat
Oreamnos americanus
80 observations
Mountain Lion
Puma concolor
51 observations
Grey Whale
Eschrichtius robustus
47 observations
Orca
Orcinus orca
46 observations
California Sea Lion
Zalophus californianus
41 observations
Humpback Whale
Megaptera novaeangliae
38 observations
Coyote
Canis latrans
37 observations
American Beaver
Castor canadensis
37 observations
Northern Elephant Seal
Mirounga angustirostris
31 observations
Mountain Beaver
Aplodontia rufa
31 observations
Domestic Cat
Felis catus
31 observations
Harbour Porpoise
Phocoena phocoena
29 observations
Bobcat
Lynx rufus
29 observations
Steller Sea Lion
Eumetopias jubatus
24 observations
Western Deer Mouse
Peromyscus sonoriensis
23 observations · iNaturalist
European Rabbit
Oryctolagus cuniculus
20 observations · iNaturalist
Northern Pacific Jumping Mouse
Zapus trinotatus
18 observations · iNaturalist
Virginia Opossum
Didelphis virginiana
17 observations
American Shrewmole
Neurotrichus gibbsii
15 observations
Long-tailed Weasel
Neogale frenata
12 observations · iNaturalist
American Mink
Neogale vison
11 observations
American Ermine
Mustela richardsonii
8 observations · iNaturalist
Coast Mole
Scapanus orarius
6 observations
Townsend's Big-eared Bat
Corynorhinus townsendii
6 observations
Dall's Porpoise
Phocoenoides dalli
5 observations
Bushy-tailed Woodrat
Neotoma cinerea
5 observations
Muskrat
Ondatra zibethicus
5 observations
Eastern Gray Squirrel
Sciurus carolinensis
4 observations
Cuvier's Beaked Whale
Ziphius cavirostris
3 observations
Common Minke Whale
Balaenoptera acutorostrata
3 observations
Townsend's Vole
Microtus townsendii
3 observations · iNaturalist
Trowbridge's Shrew
Sorex trowbridgii
3 observations
Pacific White-sided Dolphin
Aethalodelphis obliquidens
3 observations · iNaturalist
Silver-haired Bat
Lasionycteris noctivagans
2 observations
Eastern Cottontail
Sylvilagus floridanus
2 observations
Northwestern Deer Mouse
Peromyscus keeni
2 observations · iNaturalist
Black Rat
Rattus rattus
2 observations
House Mouse
Mus musculus
2 observations