Mammals of Olympic National Park
The mammals most often spotted in Olympic, ranked by recent research-grade observations.
8,725
recent observations
50
species listed
50
mammals
Naturalists have logged 8,725 research-grade observations across the 50 most-recorded species in Olympic. The most frequently seen is the Mule Deer, with 2,632 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
2,632 observations
Olympic Marmot
Marmota olympus
949 observations
Douglas's Squirrel
Tamiasciurus douglasii
948 observations
Wapiti
Cervus canadensis
932 observations
Yellow-pine Chipmunk
Neotamias amoenus
540 observations
American Black Bear
Ursus americanus
370 observations
Harbor Seal
Phoca vitulina
360 observations
Townsend's Chipmunk
Neotamias townsendii
320 observations
Snowshoe Hare
Lepus americanus
315 observations
North American River Otter
Lontra canadensis
286 observations
Common Raccoon
Procyon lotor
152 observations
Sea Otter
Enhydra lutris
118 observations
Mountain Goat
Oreamnos americanus
85 observations
Humpback Whale
Megaptera novaeangliae
57 observations
Mountain Lion
Puma concolor
54 observations
Grey Whale
Eschrichtius robustus
51 observations
Orca
Orcinus orca
48 observations
California Sea Lion
Zalophus californianus
42 observations
Coyote
Canis latrans
38 observations
Northern Elephant Seal
Mirounga angustirostris
37 observations
American Beaver
Castor canadensis
36 observations
Mountain Beaver
Aplodontia rufa
35 observations
Harbour Porpoise
Phocoena phocoena
31 observations
Domestic Cat
Felis catus
31 observations
Bobcat
Lynx rufus
30 observations
Steller Sea Lion
Eumetopias jubatus
26 observations
European Rabbit
Oryctolagus cuniculus
23 observations · iNaturalist
Western Deer Mouse
Peromyscus sonoriensis
23 observations
Northern Pacific Jumping Mouse
Zapus trinotatus
20 observations
Virginia Opossum
Didelphis virginiana
18 observations
Long-tailed Weasel
Neogale frenata
16 observations · iNaturalist
American Shrewmole
Neurotrichus gibbsii
15 observations
American Mink
Neogale vison
11 observations
American Ermine
Mustela richardsonii
9 observations
Pacific White-sided Dolphin
Aethalodelphis obliquidens
9 observations · iNaturalist
Townsend's Vole
Microtus townsendii
6 observations
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
Common Minke Whale
Balaenoptera acutorostrata
4 observations
Cuvier's Beaked Whale
Ziphius cavirostris
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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