Reptiles & Amphibians of Pennsylvania
The reptiles & amphibians most often spotted in Pennsylvania, ranked by recent research-grade observations.
174,509
recent observations
50
species listed
50
reptiles & amphibians
Naturalists have logged 174,509 research-grade observations across the 50 most-recorded species in Pennsylvania. The most frequently seen is the American Toad, with 19,366 recorded sightings.
Most-observed reptiles & amphibians in Pennsylvania
American Toad
Anaxyrus americanus
19,366 observations
Common Garter Snake
Thamnophis sirtalis
15,667 observations
Eastern Newt
Notophthalmus viridescens
12,904 observations
Eastern Red-backed Salamander
Plethodon cinereus
11,628 observations
Green Frog
Lithobates clamitans
11,227 observations
Painted Turtle
Chrysemys picta
7,189 observations
Common Watersnake
Nerodia sipedon
7,012 observations
Common Snapping Turtle
Chelydra serpentina
6,096 observations
American Bullfrog
Lithobates catesbeianus
5,752 observations
Common Box Turtle
Terrapene carolina
5,493 observations
Central Ratsnake
Pantherophis alleghaniensis
5,338 observations
Wood Frog
Lithobates sylvaticus
4,745 observations
Pickerel Frog
Lithobates palustris
4,481 observations
Northern Two-lined Salamander
Eurycea bislineata
4,341 observations
Spring Peeper
Pseudacris crucifer
4,209 observations
Pond Slider
Trachemys scripta
3,867 observations
Spotted Salamander
Ambystoma maculatum
3,746 observations
Allegheny Mountain Dusky Salamander
Desmognathus ochrophaeus
3,580 observations
Gray Treefrog
Dryophytes versicolor
3,511 observations · iNaturalist
DeKay's Brownsnake
Storeria dekayi
3,315 observations
Northern Slimy Salamander
Plethodon glutinosus
3,133 observations
Eastern Milksnake
Lampropeltis triangulum
2,842 observations
Ring-necked Snake
Diadophis punctatus
2,831 observations
Timber Rattlesnake
Crotalus horridus
2,815 observations
Northern Dusky Salamander
Desmognathus fuscus
2,108 observations
Wood Turtle
Glyptemys insculpta
1,557 observations
Red Salamander
Pseudotriton ruber
1,451 observations
Fowler's Toad
Anaxyrus fowleri
1,433 observations
Long-tailed Salamander
Eurycea longicauda
1,422 observations
Northern Red-bellied Cooter
Pseudemys rubriventris
1,330 observations
Northern Map Turtle
Graptemys geographica
1,193 observations
Red-bellied Snake
Storeria occipitomaculata
1,111 observations · iNaturalist
Spring Salamander
Gyrinophilus porphyriticus
901 observations
Common Five-lined Skink
Plestiodon fasciatus
876 observations
North American Racer
Coluber constrictor
602 observations
Eastern Musk Turtle
Sternotherus odoratus
580 observations
Four-toed Salamander
Hemidactylium scutatum
570 observations
Eastern Fence Lizard
Sceloporus undulatus
507 observations
Eastern Copperhead
Agkistrodon contortrix
493 observations
Spiny Softshell
Apalone spinifera
430 observations
Jefferson Salamander
Ambystoma jeffersonianum
406 observations
Northern Leopard Frog
Lithobates pipiens
374 observations
Short-headed Garter Snake
Thamnophis brachystoma
349 observations · iNaturalist
Smooth Greensnake
Opheodrys vernalis
302 observations
Queensnake
Regina septemvittata
287 observations
Eastern Hognose Snake
Heterodon platirhinos
271 observations
Wehrle's Salamander
Plethodon wehrlei
254 observations · iNaturalist
Italian Wall Lizard
Podarcis siculus
220 observations · iNaturalist
Valley and Ridge Salamander
Plethodon hoffmani
201 observations · iNaturalist
Blanding's Turtle
Emydoidea blandingii
193 observations
Reptiles & Amphibians in nearby places
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