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Snakes Of Pennsylvania
Venomous Species
Northern Copperhead
Agkistrodon contortrix mokasen
Venomous
Timber Rattlesnake
Crotalus horridus
Venomous
Eastern Massasauga
Sistrurus c. catenatus
Venomous
Non-venomous Species
Eastern Wormsnake
Carphophis amoenus
Kirtland’s Snake
Clonophis kirtlandii
Northern Racer
Coluber constrictor constrictor
Northern Ring-necked Snake
Diadophis punctatus edwardsii
Eastern Hog-nosed Snake
Heterodon platirhinos
Eastern Milksnake
Lampropeltis triangulum triangulum
Northern Watersnake
Nerodia sipedon sipedon
Northern Rough Greensnake
Opheodrys aestivus
Smooth Greensnake
Opheodrys vernalis
Eastern Ratsnake
Pantherophis alleghaniensis
Queensnake
Regina septemvittata
Northern Brownsnake
Storeria dekayi dekayi
Northern Red-bellied Snake
Storeria occipitomaculata occipitomaculata
Short-headed Gartersnake
Thamnophis brachystoma
Ribbonsnakes
Thamnophis s. sauritus (Eastern) Thamnophis s. septentrionalis (Northern)
Eastern Gartersnake
Thamnophis sirtalis sirtalis
Mountain Earthsnake
Virginia pulchra
Eastern Smooth Earthsnake
Virginia valeriae valeriae