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Reptiles of the United States  
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A Guide to the Reptiles &
Amphibians of the United States
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Snakes of the U.S.

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Abbreviation Legend

  • (CE) - Criticially Endangered
  • (CI) - Critically Imperiled
  • (E) - Endangered
  • (I) - Introduced
  • (IM) - Imperiled
  • (NT) - Near Threatened
  • (T) - Threatened
  • (V) - Vulnerable
  • (**) - Recent Classification Change
Home »» State Directory »» Reptiles & Amphibians of Pennsylvania »» Snakes of Pennsylvania


Snakes of Pennsylvania


There are 25 species/subspecies representing 17 genus found in Pennsylvania with 1 species being Introduced.



Eastern Copperhead
(Askistrodon contortrix)
(I)

Boa Constrictor
(Boa constrictor)

Eastern Worm Snake
(Carphophis amoenus amoenus)
(NT)

Kirtland's Snake
(Clonophis kirtlandii)

Northern Black Racer
(Coluber constrictor constrictor)

Timber Rattlesnake
(Crotalus horridus)

Northern Ringneck Snake
(Diadophis punctatus edwardsii)

Eastern Hognose Snake
(Heterodon platirhinos)

Eastern Kingsnake
(Lampropeltis getula)

Eastern Milk Snake
(Lampropeltis triangulum)

Northern Water Snake
(Nerodia sipedon sipedon)

Northern Rough Green Snake
(Ospheodrys aestivus aestivus)

Smooth Green Snake
(Ospheodrys vernalis)

Eastern Rat Snake
(Pantherophis alleghaniensis)

Gray Rat Snake
(Pantherophis spiloides)

Queen Snake
(Regina septemvittata)

Eastern Massasauga
(Sistrurus catenatus)

Brown Snake
(Storeira dekayi)

Northern Red-Bellied Snake
(Storeria occipitomaculata occipitomaculata)

Short-Headed Garter Snake
(Thamnophis brachystoma)

Eastern Ribbon Snake
(Thamnophis saurita saurita)

Northern Ribbon Snake
(Thamnophis saurita septentrionalis)

Eastern Garter Snake
(Thamnophis sirtalis sirtalis)

Mountain Earth Snake
(Virginia valeriae pulchra)

Eastern Earth Snake
(Virginia valeriae valeriae)
 

 

 

 

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