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Mammals of Washington, D.C.

The mammals most often spotted in Washington, D.C., ranked by recent research-grade observations.

17,464
recent observations
40
species listed
40
mammals

Naturalists have logged 17,464 research-grade observations across the 40 most-recorded species in Washington, D.C.. The most frequently seen is the Eastern Gray Squirrel, with 6,719 recorded sightings.

Rarer finds confirmed in Washington, D.C. include Bobcat and Northern Long-eared Bat - uncommon enough that a sighting is worth logging.

BobcatNorthern Long-eared Bat

Most-observed mammals in Washington, D.C.

Eastern Gray Squirrel
Sciurus carolinensis
6,719 observations
White-tailed Deer
Odocoileus virginianus
3,255 observations
Eastern Cottontail
Sylvilagus floridanus
1,906 observations
Domestic Cat
Felis catus
1,221 observations
Red Fox
Vulpes vulpes
843 observations
Eastern Chipmunk
Tamias striatus
719 observations
Common Raccoon
Procyon lotor
588 observations
American Beaver
Castor canadensis
498 observations
Groundhog
Marmota monax
424 observations
Brown Rat
Rattus norvegicus
323 observations
Northern Short-tailed Shrew
Blarina brevicauda
197 observations
Muskrat
Ondatra zibethicus
175 observations
Virginia Opossum
Didelphis virginiana
134 observations
House Mouse
Mus musculus
77 observations
Coyote
Canis latrans
57 observations
Eastern Mole
Scalopus aquaticus
55 observations
White-footed Mouse
Peromyscus leucopus
48 observations
Eastern Red Bat
Lasiurus borealis
47 observations
Big Brown Bat
Eptesicus fuscus
44 observations
Southern Flying Squirrel
Glaucomys volans
34 observations
North American River Otter
Lontra canadensis
32 observations
Silver-haired Bat
Lasionycteris noctivagans
18 observations
Eastern Meadow Vole
Microtus pennsylvanicus
6 observations
American Mink
Neogale vison
6 observations
American Black Bear
Ursus americanus
5 observations
North American Least Shrew
Cryptotis parvus
5 observations · iNaturalist
Northern Hoary Bat
Lasiurus cinereus
4 observations
Striped Skunk
Mephitis mephitis
4 observations
Tri-coloured Bat
Perimyotis subflavus
4 observations
European Rabbit
Oryctolagus cuniculus
3 observations
Little Brown Bat
Myotis lucifugus
2 observations
Woodland Vole
Microtus pinetorum
2 observations
Eastern Fox Squirrel
Sciurus niger
2 observations
Evening Bat
Nycticeius humeralis
1 observation
Bobcat
Lynx rufus
1 observation
Wild Boar
Sus scrofa
1 observation · iNaturalist
Eastern Deer Mouse
Peromyscus maniculatus
1 observation
American Red Squirrel
Tamiasciurus hudsonicus
1 observation
Northern Myotis
Myotis septentrionalis
1 observation
Domestic Sheep
Ovis aries
1 observation

Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.

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