Mammals of Seattle, Washington
The mammals most often spotted near Seattle, ranked by recent research-grade observations.
26,515
recent observations
50
species listed
50
mammals
Naturalists have logged 26,515 research-grade observations across the 50 most-recorded species near Seattle. The most frequently seen is the Eastern Cottontail, with 5,771 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
5,771 observations
Eastern Gray Squirrel
Sciurus carolinensis
4,387 observations
Mule Deer
Odocoileus hemionus
2,314 observations
Harbor Seal
Phoca vitulina
2,113 observations
American Beaver
Castor canadensis
1,928 observations
Common Raccoon
Procyon lotor
1,647 observations
Douglas's Squirrel
Tamiasciurus douglasii
1,617 observations
Coyote
Canis latrans
930 observations
California Sea Lion
Zalophus californianus
734 observations
North American River Otter
Lontra canadensis
715 observations
Domestic Cat
Felis catus
513 observations
Brown Rat
Rattus norvegicus
409 observations
Muskrat
Ondatra zibethicus
350 observations
Orca
Orcinus orca
322 observations
Townsend's Chipmunk
Neotamias townsendii
299 observations
Bobcat
Lynx rufus
295 observations
American Shrewmole
Neurotrichus gibbsii
207 observations
American Black Bear
Ursus americanus
204 observations
Western Deer Mouse
Peromyscus sonoriensis
204 observations
Virginia Opossum
Didelphis virginiana
187 observations
Steller Sea Lion
Eumetopias jubatus
152 observations
Harbour Porpoise
Phocoena phocoena
135 observations
Black Rat
Rattus rattus
131 observations
American Mink
Neogale vison
116 observations
Long-tailed Weasel
Neogale frenata
115 observations · iNaturalist
European Rabbit
Oryctolagus cuniculus
112 observations · iNaturalist
Wapiti
Cervus canadensis
102 observations
Mountain Beaver
Aplodontia rufa
84 observations
Humpback Whale
Megaptera novaeangliae
62 observations
Townsend's Vole
Microtus townsendii
57 observations
Coast Mole
Scapanus orarius
36 observations
Northern Elephant Seal
Mirounga angustirostris
32 observations
Northern Pacific Jumping Mouse
Zapus trinotatus
30 observations
Coypu
Myocastor coypus
26 observations
Grey Whale
Eschrichtius robustus
25 observations
Townsend's Mole
Scapanus townsendii
25 observations
Northern Flying Squirrel
Glaucomys sabrinus
18 observations
House Mouse
Mus musculus
17 observations
Silver-haired Bat
Lasionycteris noctivagans
12 observations
American Ermine
Mustela richardsonii
12 observations
Mountain Lion
Puma concolor
11 observations
Snowshoe Hare
Lepus americanus
11 observations
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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