Mammals of Washington, D.C.
The mammals most often spotted in Washington, D.C., ranked by recent research-grade observations.
16,882
recent observations
39
species listed
39
mammals
Naturalists have logged 16,882 research-grade observations across the 39 most-recorded species in Washington, D.C.. The most frequently seen is the Eastern Gray Squirrel, with 6,409 recorded sightings.
Rarer finds confirmed in Washington, D.C. include Bobcat and Northern Long-eared Bat - uncommon enough that a sighting is worth logging.
Most-observed mammals in Washington, D.C.
Eastern Gray Squirrel
Sciurus carolinensis
6,409 observations
White-tailed Deer
Odocoileus virginianus
3,169 observations
Eastern Cottontail
Sylvilagus floridanus
1,860 observations
Domestic Cat
Felis catus
1,217 observations
Red Fox
Vulpes vulpes
808 observations
Eastern Chipmunk
Tamias striatus
700 observations
Common Raccoon
Procyon lotor
564 observations
American Beaver
Castor canadensis
485 observations
Groundhog
Marmota monax
408 observations
Brown Rat
Rattus norvegicus
312 observations
Northern Short-tailed Shrew
Blarina brevicauda
194 observations
Muskrat
Ondatra zibethicus
173 observations
Virginia Opossum
Didelphis virginiana
133 observations
House Mouse
Mus musculus
71 observations
Coyote
Canis latrans
56 observations
Eastern Mole
Scalopus aquaticus
53 observations
Eastern Red Bat
Lasiurus borealis
47 observations
White-footed Mouse
Peromyscus leucopus
46 observations
Big Brown Bat
Eptesicus fuscus
44 observations
Southern Flying Squirrel
Glaucomys volans
35 observations
North American River Otter
Lontra canadensis
32 observations
Silver-haired Bat
Lasionycteris noctivagans
17 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 · iNaturalist
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
American Red Squirrel
Tamiasciurus hudsonicus
1 observation
Northern Myotis
Myotis septentrionalis
1 observation
Domestic Sheep
Ovis aries
1 observation · iNaturalist
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