Mammals of Portland, Oregon
The mammals most often spotted near Portland, ranked by recent research-grade observations.
15,905
recent observations
50
species listed
50
mammals
Naturalists have logged 15,905 research-grade observations across the 50 most-recorded species near Portland. The most frequently seen is the Coypu, with 2,382 recorded sightings.
Rarer finds confirmed near Portland include Camas Pocket Gopher, Bobcat and Central Pacific Jumping Mouse - uncommon enough that a sighting is worth logging.
Most-observed mammals near Portland
Coypu
Myocastor coypus
2,382 observations
Eastern Gray Squirrel
Sciurus carolinensis
2,355 observations
Mule Deer
Odocoileus hemionus
1,907 observations
Eastern Fox Squirrel
Sciurus niger
1,153 observations
American Beaver
Castor canadensis
837 observations
Common Raccoon
Procyon lotor
826 observations
Coyote
Canis latrans
785 observations
Douglas's Ground Squirrel
Otospermophilus douglasii
762 observations
Douglas's Squirrel
Tamiasciurus douglasii
739 observations
Townsend's Chipmunk
Neotamias townsendii
553 observations
Eastern Cottontail
Sylvilagus floridanus
525 observations
Brush Rabbit
Sylvilagus bachmani
402 observations
Muskrat
Ondatra zibethicus
290 observations
Striped Skunk
Mephitis mephitis
283 observations
North American River Otter
Lontra canadensis
233 observations
Virginia Opossum
Didelphis virginiana
226 observations
White-tailed Deer
Odocoileus virginianus
191 observations
Domestic Cat
Felis catus
173 observations
Western Deer Mouse
Peromyscus sonoriensis
168 observations
Brown Rat
Rattus norvegicus
126 observations
American Shrewmole
Neurotrichus gibbsii
108 observations
American Mink
Neogale vison
100 observations
Camas Pocket Gopher
Megascapheus bulbivorus
91 observations
Black Rat
Rattus rattus
80 observations
Wapiti
Cervus canadensis
64 observations
Long-tailed Weasel
Neogale frenata
64 observations · iNaturalist
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
36 observations
Western Gray Squirrel
Sciurus griseus
32 observations
Townsend's Mole
Scapanus townsendii
31 observations
Townsend's Vole
Microtus townsendii
21 observations
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
Yellow-bellied Marmot
Marmota flaviventris
12 observations
American Pika
Ochotona princeps
10 observations
Humboldt's Flying Squirrel
Glaucomys oregonensis
10 observations
House Mouse
Mus musculus
9 observations
Central Pacific Jumping Mouse
Zapus montanus
9 observations
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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