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Mammals of Pittsburgh, Pennsylvania

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

11,988
recent observations
49
species listed
49
mammals

Naturalists have logged 11,988 research-grade observations across the 49 most-recorded species near Pittsburgh. The most frequently seen is the White-tailed Deer, with 3,736 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
3,736 observations
Eastern Cottontail
Sylvilagus floridanus
1,609 observations
Eastern Gray Squirrel
Sciurus carolinensis
1,486 observations
Eastern Chipmunk
Tamias striatus
1,030 observations
Groundhog
Marmota monax
836 observations
Common Raccoon
Procyon lotor
738 observations
Eastern Fox Squirrel
Sciurus niger
700 observations
American Red Squirrel
Tamiasciurus hudsonicus
296 observations
American Beaver
Castor canadensis
215 observations
Northern Short-tailed Shrew
Blarina brevicauda
182 observations
Virginia Opossum
Didelphis virginiana
174 observations
Domestic Cat
Felis catus
157 observations
Red Fox
Vulpes vulpes
130 observations
Muskrat
Ondatra zibethicus
100 observations
Coyote
Canis latrans
96 observations
Striped Skunk
Mephitis mephitis
86 observations
Big Brown Bat
Eptesicus fuscus
55 observations
Brown Rat
Rattus norvegicus
52 observations
Hairy-tailed Mole
Parascalops breweri
40 observations
House Mouse
Mus musculus
38 observations
American Mink
Neogale vison
37 observations
Eastern Meadow Vole
Microtus pennsylvanicus
35 observations
Southern Flying Squirrel
Glaucomys volans
35 observations
American Black Bear
Ursus americanus
34 observations
Gray Fox
Urocyon cinereoargenteus
15 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
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
Peromyscus
Peromyscus
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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