Mammals of Portland, Oregon
The mammals most often spotted near Portland, ranked by recent research-grade observations.
15,697
recent observations
50
species listed
50
mammals
Naturalists have logged 15,697 research-grade observations across the 50 most-recorded species near Portland. The most frequently seen is the Coypu, with 2,346 recorded sightings.
Rarer finds confirmed near Portland include Bobcat - uncommon enough that a sighting is worth logging.
Most-observed mammals near Portland
Coypu
Myocastor coypus
2,346 observations
Eastern Gray Squirrel
Sciurus carolinensis
2,328 observations
Mule Deer
Odocoileus hemionus
1,881 observations
Eastern Fox Squirrel
Sciurus niger
1,148 observations
American Beaver
Castor canadensis
823 observations
Common Raccoon
Procyon lotor
812 observations
Coyote
Canis latrans
776 observations
Douglas's Ground Squirrel
Otospermophilus douglasii
747 observations · iNaturalist
Douglas's Squirrel
Tamiasciurus douglasii
727 observations
Townsend's Chipmunk
Neotamias townsendii
540 observations
Eastern Cottontail
Sylvilagus floridanus
517 observations
Brush Rabbit
Sylvilagus bachmani
400 observations
Muskrat
Ondatra zibethicus
285 observations
Striped Skunk
Mephitis mephitis
281 observations
North American River Otter
Lontra canadensis
230 observations
Virginia Opossum
Didelphis virginiana
226 observations
White-tailed Deer
Odocoileus virginianus
189 observations
Domestic Cat
Felis catus
172 observations
Western Deer Mouse
Peromyscus sonoriensis
167 observations · iNaturalist
Brown Rat
Rattus norvegicus
125 observations
American Shrewmole
Neurotrichus gibbsii
109 observations
American Mink
Neogale vison
97 observations
Camas Pocket Gopher
Megascapheus bulbivorus
89 observations · iNaturalist
Black Rat
Rattus rattus
80 observations
Long-tailed Weasel
Neogale frenata
63 observations · iNaturalist
Wapiti
Cervus canadensis
62 observations
California Sea Lion
Zalophus californianus
52 observations
Bobcat
Lynx rufus
48 observations
Steller Sea Lion
Eumetopias jubatus
39 observations
European Rabbit
Oryctolagus cuniculus
39 observations · iNaturalist
American Black Bear
Ursus americanus
35 observations
Townsend's Mole
Scapanus townsendii
31 observations
Western Gray Squirrel
Sciurus griseus
29 observations
Townsend's Vole
Microtus townsendii
21 observations · iNaturalist
Little Brown Bat
Myotis lucifugus
19 observations
Coast Mole
Scapanus orarius
19 observations
Trowbridge's Shrew
Sorex trowbridgii
16 observations
Mountain Beaver
Aplodontia rufa
14 observations
North American Porcupine
Erethizon dorsatum
13 observations
Vagrant Shrew
Sorex vagrans
13 observations
American Ermine
Mustela richardsonii
13 observations · iNaturalist
Yellow-bellied Marmot
Marmota flaviventris
12 observations
American Pika
Ochotona princeps
10 observations
House Mouse
Mus musculus
9 observations
Humboldt's Flying Squirrel
Glaucomys oregonensis
9 observations
Central Pacific Jumping Mouse
Zapus montanus
9 observations · iNaturalist
Snowshoe Hare
Lepus americanus
8 observations
Big Brown Bat
Eptesicus fuscus
7 observations
Mountain Lion
Puma concolor
7 observations
Silver-haired Bat
Lasionycteris noctivagans
5 observations
Mammals in nearby places
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