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Mammals of Pittsburgh, Pennsylvania

The mammals most often spotted near Pittsburgh, ranked by recent research-grade observations.

12,063
recent observations
49
species listed
49
mammals

Naturalists have logged 12,063 research-grade observations across the 49 most-recorded species near Pittsburgh. The most frequently seen is the White-tailed Deer, with 3,762 recorded sightings.

Rarer finds confirmed near Pittsburgh include Bobcat, Fisher and Northern Long-eared Bat - uncommon enough that a sighting is worth logging.

BobcatFisherNorthern Long-eared Bat

Most-observed mammals near Pittsburgh

White-tailed Deer
Odocoileus virginianus
3,762 observations
Eastern Cottontail
Sylvilagus floridanus
1,615 observations
Eastern Gray Squirrel
Sciurus carolinensis
1,495 observations
Eastern Chipmunk
Tamias striatus
1,032 observations
Groundhog
Marmota monax
838 observations
Common Raccoon
Procyon lotor
742 observations
Eastern Fox Squirrel
Sciurus niger
708 observations
American Red Squirrel
Tamiasciurus hudsonicus
298 observations
American Beaver
Castor canadensis
216 observations
Northern Short-tailed Shrew
Blarina brevicauda
185 observations
Virginia Opossum
Didelphis virginiana
175 observations
Domestic Cat
Felis catus
157 observations
Red Fox
Vulpes vulpes
130 observations
Muskrat
Ondatra zibethicus
101 observations
Coyote
Canis latrans
97 observations
Striped Skunk
Mephitis mephitis
87 observations
Big Brown Bat
Eptesicus fuscus
56 observations
Brown Rat
Rattus norvegicus
55 observations
Hairy-tailed Mole
Parascalops breweri
40 observations
House Mouse
Mus musculus
38 observations
American Mink
Neogale vison
38 observations
Eastern Meadow Vole
Microtus pennsylvanicus
36 observations
Southern Flying Squirrel
Glaucomys volans
36 observations
American Black Bear
Ursus americanus
34 observations
Gray Fox
Urocyon cinereoargenteus
16 observations
Eastern Red Bat
Lasiurus borealis
11 observations
Bobcat
Lynx rufus
8 observations
Star-nosed Mole
Condylura cristata
8 observations
Tri-coloured Bat
Perimyotis subflavus
6 observations
Northern Meadow Jumping Mouse
Zapus hudsonius
5 observations
American Ermine
Mustela richardsonii
5 observations
European Rabbit
Oryctolagus cuniculus
4 observations
North American Porcupine
Erethizon dorsatum
4 observations
Fisher
Pekania pennanti
4 observations
Long-tailed Weasel
Neogale frenata
3 observations · iNaturalist
Little Brown Bat
Myotis lucifugus
2 observations
Silver-haired Bat
Lasionycteris noctivagans
2 observations
Wild Boar
Sus scrofa
2 observations · iNaturalist
Masked Shrew
Sorex cinereus
2 observations
Northern Hoary Bat
Lasiurus cinereus
1 observation
North American River Otter
Lontra canadensis
1 observation
Eastern Woodland Jumping Mouse
Napaeozapus insignis
1 observation
Woodland Vole
Microtus pinetorum
1 observation
White-footed Mouse
Peromyscus leucopus
1 observation
Northern Flying Squirrel
Glaucomys sabrinus
1 observation
Smoky Shrew
Sorex fumeus
1 observation
Northern Myotis
Myotis septentrionalis
1 observation
Domestic Sheep
Ovis aries
1 observation
Eastern Water Shrew
Sorex albibarbis
1 observation · iNaturalist

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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