Native PA Snakes

Herpetology

A =

Abundant

\
C =

Candidate Species

\
E =

Endangered Species

\
S =

Species of Special Concern, rare, not common

Species of Special Concern, rare, are not common due to one or more of the following factors:

* Range restriction,
* Population decline,
* Limited distribution,
* Direct threat from habitat alteration,
* Collection.

T =

Threatened Species

**SNAKES** –

Order Squamata

**Colubrid Snakes** -

Family Colubridae

Eastern Wormsnake

*Carphophis amoenus amoenus* (s)

\

Kirtland's   Snake

*Clonophis kirtlandii (*E) 

Northern Black Racer 

*Coluber constrictor constrictor (*A)

Northern Ring-necked Snake

*Diadophis punctatus edwardsii (*A)  

\

Eastern Ratsnake     

*Pantherophis alleghaniensis* (A)

Eastern Hog-nosed Snake

*Heterodon platirhinos (*S) 

Eastern Milksnake

*Lampropeltis triangulum (*A)

Northern Watersnake

*Nerodia sipedon sipedon (*A) 

Northern Rough Greensnake

*Opheodrys aestivus aestivus (*E)

Queensnake

*Regina septemvittata (*S)

Dekay's Brownsnake

*Storeria dekayi (*A)

Red-bellied Snake

*Storeria occipitomaculata* (A)

Short-headed Gartersnake 

*Thamnophis brachystoma (*S)

Eastern Ribbonsnake

*Thamnophis sauritus (*S)

 Eastern Gartersnake 

*Thamnophis sirtalis sirtalis* (A)

Eastern Smooth  Earthsnake

Earthsnake*Virginia valeriae valeriae* (S)

Mountain Earthsnake

*Virginia valeriae pulchra* (S)

Smooth Greensnake

*Opheodrys vernalis* (S)

**Pit Vipers** -

Family Viperidae

 Eastern Copperhead

*Agkistrodon contortrix (*S)  

Timber Rattlesnake

*Crotalus horridus* (C)

Eastern Massasauga

*Sistrurus catenatus* (E)