Mammals of Seattle, Washington
The mammals most often spotted near Seattle, ranked by recent research-grade observations.
25,551
recent observations
50
species listed
50
mammals
Naturalists have logged 25,551 research-grade observations across the 50 most-recorded species near Seattle. The most frequently seen is the Eastern Cottontail, with 5,577 recorded sightings.
Rarer finds confirmed near Seattle include Bobcat - uncommon enough that a sighting is worth logging.
Most-observed mammals near Seattle
Eastern Cottontail
Sylvilagus floridanus
5,577 observations
Eastern Gray Squirrel
Sciurus carolinensis
4,244 observations
Mule Deer
Odocoileus hemionus
2,253 observations
Harbor Seal
Phoca vitulina
1,958 observations
American Beaver
Castor canadensis
1,865 observations
Common Raccoon
Procyon lotor
1,601 observations
Douglas's Squirrel
Tamiasciurus douglasii
1,573 observations
Coyote
Canis latrans
888 observations
California Sea Lion
Zalophus californianus
698 observations
North American River Otter
Lontra canadensis
686 observations
Domestic Cat
Felis catus
502 observations
Brown Rat
Rattus norvegicus
399 observations
Muskrat
Ondatra zibethicus
343 observations
Orca
Orcinus orca
308 observations
Townsend's Chipmunk
Neotamias townsendii
289 observations
Bobcat
Lynx rufus
284 observations
American Shrewmole
Neurotrichus gibbsii
202 observations
American Black Bear
Ursus americanus
197 observations
Western Deer Mouse
Peromyscus sonoriensis
186 observations · iNaturalist
Virginia Opossum
Didelphis virginiana
183 observations
Steller Sea Lion
Eumetopias jubatus
147 observations
Harbour Porpoise
Phocoena phocoena
129 observations
Black Rat
Rattus rattus
115 observations
Long-tailed Weasel
Neogale frenata
115 observations · iNaturalist
American Mink
Neogale vison
111 observations
European Rabbit
Oryctolagus cuniculus
109 observations · iNaturalist
Wapiti
Cervus canadensis
102 observations
Mountain Beaver
Aplodontia rufa
79 observations
Humpback Whale
Megaptera novaeangliae
62 observations
Townsend's Vole
Microtus townsendii
53 observations · iNaturalist
Coast Mole
Scapanus orarius
35 observations
Northern Pacific Jumping Mouse
Zapus trinotatus
30 observations · iNaturalist
Northern Elephant Seal
Mirounga angustirostris
28 observations
Coypu
Myocastor coypus
26 observations
Grey Whale
Eschrichtius robustus
24 observations
Townsend's Mole
Scapanus townsendii
24 observations
Northern Flying Squirrel
Glaucomys sabrinus
18 observations
House Mouse
Mus musculus
16 observations
Silver-haired Bat
Lasionycteris noctivagans
11 observations
Mountain Lion
Puma concolor
11 observations
Snowshoe Hare
Lepus americanus
11 observations
American Ermine
Mustela richardsonii
11 observations · iNaturalist
Big Brown Bat
Eptesicus fuscus
10 observations
Yellow-bellied Marmot
Marmota flaviventris
8 observations
Vagrant Shrew
Sorex vagrans
7 observations
Red Fox
Vulpes vulpes
6 observations
California Myotis
Myotis californicus
5 observations
Eastern Fox Squirrel
Sciurus niger
5 observations
North American Porcupine
Erethizon dorsatum
4 observations
Little Brown Bat
Myotis lucifugus
3 observations
Mammals in nearby places
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