Reptiles & Amphibians of Pennsylvania
The reptiles & amphibians most often spotted in Pennsylvania, ranked by recent research-grade observations.
180,742
recent observations
50
species listed
50
reptiles & amphibians
Naturalists have logged 180,742 research-grade observations across the 50 most-recorded species in Pennsylvania. The most frequently seen is the American Toad, with 20,390 recorded sightings.
Rarer finds confirmed in Pennsylvania include Wehrle's Salamander - uncommon enough that a sighting is worth logging.
Most-observed reptiles & amphibians in Pennsylvania
American Toad
Anaxyrus americanus
20,390 observations
Common Garter Snake
Thamnophis sirtalis
16,065 observations
Eastern Newt
Notophthalmus viridescens
13,442 observations
Eastern Red-backed Salamander
Plethodon cinereus
12,071 observations
Green Frog
Lithobates clamitans
11,607 observations
Painted Turtle
Chrysemys picta
7,376 observations
Common Watersnake
Nerodia sipedon
7,207 observations
Common Snapping Turtle
Chelydra serpentina
6,268 observations
American Bullfrog
Lithobates catesbeianus
5,939 observations
Common Box Turtle
Terrapene carolina
5,672 observations
Central Ratsnake
Pantherophis alleghaniensis
5,520 observations
Wood Frog
Lithobates sylvaticus
4,876 observations
Pickerel Frog
Lithobates palustris
4,720 observations
Northern Two-lined Salamander
Eurycea bislineata
4,480 observations
Spring Peeper
Pseudacris crucifer
4,326 observations
Pond Slider
Trachemys scripta
3,974 observations
Spotted Salamander
Ambystoma maculatum
3,801 observations
Allegheny Mountain Dusky Salamander
Desmognathus ochrophaeus
3,701 observations
Gray Treefrog
Dryophytes versicolor
3,643 observations · iNaturalist
DeKay's Brownsnake
Storeria dekayi
3,421 observations
Northern Slimy Salamander
Plethodon glutinosus
3,326 observations
Timber Rattlesnake
Crotalus horridus
2,962 observations
Eastern Milksnake
Lampropeltis triangulum
2,957 observations
Ring-necked Snake
Diadophis punctatus
2,941 observations
Northern Dusky Salamander
Desmognathus fuscus
2,161 observations
Wood Turtle
Glyptemys insculpta
1,590 observations
Fowler's Toad
Anaxyrus fowleri
1,490 observations
Long-tailed Salamander
Eurycea longicauda
1,487 observations
Red Salamander
Pseudotriton ruber
1,481 observations
Northern Red-bellied Cooter
Pseudemys rubriventris
1,353 observations
Northern Map Turtle
Graptemys geographica
1,209 observations
Red-bellied Snake
Storeria occipitomaculata
1,151 observations
Common Five-lined Skink
Plestiodon fasciatus
934 observations
Spring Salamander
Gyrinophilus porphyriticus
918 observations
North American Racer
Coluber constrictor
614 observations
Eastern Musk Turtle
Sternotherus odoratus
594 observations
Four-toed Salamander
Hemidactylium scutatum
582 observations
Eastern Fence Lizard
Sceloporus undulatus
548 observations
Eastern Copperhead
Agkistrodon contortrix
546 observations
Spiny Softshell
Apalone spinifera
442 observations
Jefferson Salamander
Ambystoma jeffersonianum
408 observations
Northern Leopard Frog
Lithobates pipiens
380 observations
Short-headed Garter Snake
Thamnophis brachystoma
370 observations
Smooth Greensnake
Opheodrys vernalis
312 observations
Queensnake
Regina septemvittata
292 observations
Eastern Hognose Snake
Heterodon platirhinos
280 observations
Wehrle's Salamander
Plethodon wehrlei
274 observations
Italian Wall Lizard
Podarcis siculus
228 observations
Blanding's Turtle
Emydoidea blandingii
209 observations
Valley and Ridge Salamander
Plethodon hoffmani
204 observations
Reptiles & Amphibians in nearby places
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