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Reptiles & Amphibians of Philadelphia, Pennsylvania

The reptiles & amphibians most often spotted near Philadelphia, ranked by recent research-grade observations.

28,412
recent observations
50
species listed
50
reptiles & amphibians

Naturalists have logged 28,412 research-grade observations across the 50 most-recorded species near Philadelphia. The most frequently seen is the Common Garter Snake, with 2,832 recorded sightings.

Most-observed reptiles & amphibians near Philadelphia

Common Garter Snake
Thamnophis sirtalis
2,832 observations
North American Green Frog
Lithobates clamitans
2,485 observations
American Toad
Anaxyrus americanus
2,457 observations
Pond Slider
Trachemys scripta
2,242 observations
Painted Turtle
Chrysemys picta
1,922 observations
Eastern Red-backed Salamander
Plethodon cinereus
1,724 observations
Common Box Turtle
Terrapene carolina
1,557 observations
DeKay's Brownsnake
Storeria dekayi
1,516 observations
Common Snapping Turtle
Chelydra serpentina
1,416 observations
American Bullfrog
Lithobates catesbeianus
1,264 observations
Common Watersnake
Nerodia sipedon
1,220 observations
Northern Red-bellied Cooter
Pseudemys rubriventris
1,146 observations
Fowler's Toad
Anaxyrus fowleri
866 observations
Pickerel Frog
Lithobates palustris
727 observations
Gray Treefrog
Dryophytes versicolor
686 observations · iNaturalist
Central Ratsnake
Pantherophis alleghaniensis
617 observations
Northern Two-lined Salamander
Eurycea bislineata
552 observations
Wood Frog
Lithobates sylvaticus
414 observations
Spring Peeper
Pseudacris crucifer
290 observations
Eastern Fence Lizard
Sceloporus undulatus
241 observations
Italian Wall Lizard
Podarcis siculus
221 observations
Eastern Milksnake
Lampropeltis triangulum
221 observations
Eastern Musk Turtle
Sternotherus odoratus
201 observations
Ring-necked Snake
Diadophis punctatus
176 observations
North American Racer
Coluber constrictor
151 observations
Long-tailed Salamander
Eurycea longicauda
148 observations
Red Salamander
Pseudotriton ruber
115 observations
Common Five-lined Skink
Plestiodon fasciatus
94 observations
Northern Map Turtle
Graptemys geographica
86 observations
Spiny Softshell
Apalone spinifera
78 observations
Northern Dusky Salamander
Desmognathus fuscus
70 observations
Eastern Newt
Notophthalmus viridescens
65 observations
Eastern Spadefoot
Scaphiopus holbrookii
63 observations
Northern Cricket Frog
Acris crepitans
62 observations
Common Wormsnake
Carphophis amoenus
51 observations
Rough Greensnake
Opheodrys aestivus
48 observations
Atlantic Coast Leopard Frog
Lithobates kauffeldi
46 observations
Green Treefrog
Dryophytes cinereus
46 observations · iNaturalist
Spotted Turtle
Clemmys guttata
44 observations
Carpenter Frog
Lithobates virgatipes
38 observations
Southern Leopard Frog
Lithobates sphenocephalus
36 observations
Mediterranean House Gecko
Hemidactylus turcicus
27 observations
Wood Turtle
Glyptemys insculpta
24 observations
Brown Anole
Anolis sagrei
21 observations
Red-bellied Snake
Storeria occipitomaculata
20 observations
River Cooter
Pseudemys concinna
20 observations
Four-toed Salamander
Hemidactylium scutatum
18 observations
Eastern Mud Turtle
Kinosternon subrubrum
17 observations
Little Brown Skink
Scincella lateralis
17 observations
Eastern Copperhead
Agkistrodon contortrix
14 observations

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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