Mammals of Seattle, Washington
The mammals most often spotted near Seattle, ranked by recent research-grade observations.
25,889
recent observations
50
species listed
50
mammals
Naturalists have logged 25,889 research-grade observations across the 50 most-recorded species near Seattle. The most frequently seen is the Eastern Cottontail, with 5,638 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
5,638 observations
Eastern Gray Squirrel
Sciurus carolinensis
4,294 observations
Mule Deer
Odocoileus hemionus
2,280 observations
Harbor Seal
Phoca vitulina
2,012 observations
American Beaver
Castor canadensis
1,897 observations
Common Raccoon
Procyon lotor
1,614 observations
Douglas's Squirrel
Tamiasciurus douglasii
1,588 observations
Coyote
Canis latrans
901 observations
California Sea Lion
Zalophus californianus
706 observations
North American River Otter
Lontra canadensis
697 observations
Domestic Cat
Felis catus
507 observations
Brown Rat
Rattus norvegicus
401 observations
Muskrat
Ondatra zibethicus
345 observations
Orca
Orcinus orca
318 observations
Townsend's Chipmunk
Neotamias townsendii
294 observations
Bobcat
Lynx rufus
291 observations
American Shrewmole
Neurotrichus gibbsii
205 observations
American Black Bear
Ursus americanus
201 observations
Western Deer Mouse
Peromyscus sonoriensis
189 observations
Virginia Opossum
Didelphis virginiana
183 observations
Steller Sea Lion
Eumetopias jubatus
148 observations
Harbour Porpoise
Phocoena phocoena
132 observations
Black Rat
Rattus rattus
115 observations
Long-tailed Weasel
Neogale frenata
115 observations · iNaturalist
American Mink
Neogale vison
114 observations
European Rabbit
Oryctolagus cuniculus
110 observations · iNaturalist
Wapiti
Cervus canadensis
102 observations
Mountain Beaver
Aplodontia rufa
82 observations
Humpback Whale
Megaptera novaeangliae
62 observations
Townsend's Vole
Microtus townsendii
55 observations
Coast Mole
Scapanus orarius
33 observations
Northern Pacific Jumping Mouse
Zapus trinotatus
30 observations
Northern Elephant Seal
Mirounga angustirostris
28 observations
Coypu
Myocastor coypus
26 observations
Grey Whale
Eschrichtius robustus
25 observations
Townsend's Mole
Scapanus townsendii
24 observations
Northern Flying Squirrel
Glaucomys sabrinus
18 observations
House Mouse
Mus musculus
16 observations
American Ermine
Mustela richardsonii
12 observations
Silver-haired Bat
Lasionycteris noctivagans
11 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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