21  PENNSYLVANIA SNAKES

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Scientific name: Agkistrodon contortrix mokasen Common name: northern copperhead Length: 61–91 cm (24–36 in) Venomous: Yes

1. Northern Copperhead

Scientific name: Crotalus horridus Common name: timber rattlesnake, canebrake rattlesnake Length: 30 – 60 in (76 – 152 cm) Venomous: Yes.

2. Timber Rattlesnake

Scientific name: Sistrurus catenatus catenatus Common name: Eastern massasauga Length: 60 – 75 cm (24 – 30 in) Venomous: Yes

3. Eastern Massasauga

Scientific name: Carphophis amoenus Common name: Eastern worm snake Length: up to 11 in (28 cm) Venomous: No

4. Eastern Worm Snake

Scientific name: Clonophis kirtlandii Common name: Kirtland’s snake Length: 18 in (46 cm). Venomous: No

5. Kirtland’s Snake

6. Northern Black Racer

Scientific name: Coluber constrictor constrictor Common name: northern black racer Venomous: No

Scientific name: Diadophis punctatus edwardsii Common name: Northern ringneck snake Length: 24 in (61 cm) Venomous: No

7. Northern Ring-Necked Snake

Scientific name: Heterodon platirhinos Common name: eastern hognose snake, spreading adder, deaf adder Length: around 28 in (71 cm) Venomous: No

8. Eastern Hog-Nosed Snake

Scientific name: Lampropeltis triangulum triangulum Common name: Eastern milk snake Length: 52 in (132 cm) Venomous: No

9. Eastern Milksnake

Scientific name: Nerodia sipedon sipedon. Common name: banded water snake, black water adder, black water snake Length: 24 – 55 in (61 – 140 cm) Venomous: No

10. Northern Watersnake

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