Mammals of Olympic National Park
The mammals most often spotted in Olympic, ranked by recent research-grade observations.
8,473
recent observations
50
species listed
50
mammals
Naturalists have logged 8,473 research-grade observations across the 50 most-recorded species in Olympic. The most frequently seen is the Mule Deer, with 2,563 recorded sightings.
Rarer finds confirmed in Olympic include Olympic Marmot, Bobcat and Cuvier's Beaked Whale - uncommon enough that a sighting is worth logging.
Most-observed mammals in Olympic
Mule Deer
Odocoileus hemionus
2,563 observations
Olympic Marmot
Marmota olympus
929 observations
Wapiti
Cervus canadensis
921 observations
Douglas's Squirrel
Tamiasciurus douglasii
904 observations
Yellow-pine Chipmunk
Neotamias amoenus
522 observations
American Black Bear
Ursus americanus
366 observations
Harbor Seal
Phoca vitulina
355 observations
Townsend's Chipmunk
Neotamias townsendii
302 observations
Snowshoe Hare
Lepus americanus
300 observations
North American River Otter
Lontra canadensis
273 observations
Common Raccoon
Procyon lotor
152 observations
Sea Otter
Enhydra lutris
115 observations
Mountain Goat
Oreamnos americanus
83 observations
Mountain Lion
Puma concolor
54 observations
Humpback Whale
Megaptera novaeangliae
52 observations
Grey Whale
Eschrichtius robustus
47 observations
Orca
Orcinus orca
46 observations
California Sea Lion
Zalophus californianus
41 observations
Coyote
Canis latrans
38 observations
American Beaver
Castor canadensis
36 observations
Northern Elephant Seal
Mirounga angustirostris
33 observations
Mountain Beaver
Aplodontia rufa
33 observations
Domestic Cat
Felis catus
31 observations
Bobcat
Lynx rufus
30 observations
Harbour Porpoise
Phocoena phocoena
29 observations
Steller Sea Lion
Eumetopias jubatus
25 observations
Western Deer Mouse
Peromyscus sonoriensis
22 observations · iNaturalist
European Rabbit
Oryctolagus cuniculus
21 observations · iNaturalist
Northern Pacific Jumping Mouse
Zapus trinotatus
20 observations · iNaturalist
Virginia Opossum
Didelphis virginiana
18 observations
American Shrewmole
Neurotrichus gibbsii
15 observations
Long-tailed Weasel
Neogale frenata
14 observations · iNaturalist
American Mink
Neogale vison
11 observations
American Ermine
Mustela richardsonii
8 observations · iNaturalist
Pacific White-sided Dolphin
Aethalodelphis obliquidens
7 observations · iNaturalist
Townsend's Vole
Microtus townsendii
6 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
5 observations
Cuvier's Beaked Whale
Ziphius cavirostris
3 observations
Common Minke Whale
Balaenoptera acutorostrata
3 observations
Trowbridge's Shrew
Sorex trowbridgii
3 observations
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
Mammals in nearby places
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