Mammals of Seattle, Washington
The mammals most often spotted near Seattle, ranked by recent research-grade observations.
Most-observed mammals near Seattle
Eastern Cottontail
Sylvilagus floridanus
5,311 observations
Eastern Gray Squirrel
Sciurus carolinensis
4,126 observations
Mule Deer
Odocoileus hemionus
2,162 observations
Harbor Seal
Phoca vitulina
1,835 observations
American Beaver
Castor canadensis
1,812 observations
Common Raccoon
Procyon lotor
1,537 observations
Douglas's Squirrel
Tamiasciurus douglasii
1,534 observations
Coyote
Canis latrans
856 observations
California Sea Lion
Zalophus californianus
693 observations
North American River Otter
Lontra canadensis
670 observations
Domestic Cat
Felis catus
500 observations
Brown Rat
Rattus norvegicus
385 observations
Muskrat
Ondatra zibethicus
329 observations
Orca
Orcinus orca
299 observations
Bobcat
Lynx rufus
270 observations
Townsend's Chipmunk
Neotamias townsendii
267 observations
American Black Bear
Ursus americanus
191 observations
American Shrewmole
Neurotrichus gibbsii
190 observations
Virginia Opossum
Didelphis virginiana
184 observations
Western Deer Mouse
Peromyscus sonoriensis
177 observations · iNaturalist
Steller Sea Lion
Eumetopias jubatus
144 observations
Harbour Porpoise
Phocoena phocoena
123 observations
Black Rat
Rattus rattus
107 observations
Long-tailed Weasel
Neogale frenata
106 observations · iNaturalist
American Mink
Neogale vison
106 observations
European Rabbit
Oryctolagus cuniculus
105 observations · iNaturalist
Elk
Cervus canadensis
104 observations
Mountain Beaver
Aplodontia rufa
76 observations
Humpback Whale
Megaptera novaeangliae
59 observations
Coast Mole
Scapanus orarius
35 observations
Northern Elephant Seal
Mirounga angustirostris
28 observations
Northern Pacific Jumping Mouse
Zapus trinotatus
28 observations · iNaturalist
Coypu
Myocastor coypus
26 observations
Townsend's Vole
Microtus townsendii
24 observations · iNaturalist
Townsend's Mole
Scapanus townsendii
24 observations
Grey Whale
Eschrichtius robustus
23 observations
Northern Flying Squirrel
Glaucomys sabrinus
18 observations
House Mouse
Mus musculus
16 observations
Silver-haired Bat
Lasionycteris noctivagans
11 observations
Snowshoe Hare
Lepus americanus
11 observations
Mountain Lion
Puma concolor
10 observations
Big Brown Bat
Eptesicus fuscus
9 observations
American Ermine
Mustela richardsonii
9 observations · iNaturalist
Yellow-bellied Marmot
Marmota flaviventris
7 observations
Red Fox
Vulpes vulpes
6 observations
California Myotis
Myotis californicus
5 observations
Eastern Fox Squirrel
Sciurus niger
5 observations
Vagrant Shrew
Sorex vagrans
5 observations
North American Porcupine
Erethizon dorsatum
4 observations
Little Brown Bat
Myotis lucifugus
3 observations