Snakes of Pennsylvania
|Name: Eastern Worm snake (Carphophis amoenus)|
Length: 4 - 9 in. (18 - 22 cm)
Habitat: Rocky bluffs, pine wood and hardwood forest, old fields, partially wooded areas near/above streams, wetland borders. May be found under rocks, logs, stumps, or in flower beds.
|Name: Kirtland’s snake (Clonophis kirtlandii)|
Length: 14 - 24.5 in. (36 - 62 cm)
Habitat: Open wetlands, marshes, canals, wet prairies, wet pastures, forested wetlands and floodplains, also urban ponds, parks, and vacant lots. May be found in burrows/crayfish holes, under leaf litter, logs, rocks, or other human debris.
|Name: Northern Racer (Coluber constrictor constrictor)|
Length: 36 – 60 in. (90 – 152 cm)
Habitat: Meadows, old fields, farmland, open wooded areas, rock crevices, rock formations. May be found under logs, stumps, boards, and other debris.
|Name: Northern Ringneck snake (Diadophis punctatus edwardsii)|
Length: 12 - 15 inches (25.4-38 cm)
Habitat: Rocky areas, damp hardwood forest, near streams, old fields, rocky hills, grassy fields. May be found under rocks, logs, bark, or leaf litter.
|Name: Rat snake (Pantherophis alleghaniensis)|
Length: 40 - 101 in. (102 - 257 cm)
Habitat: Meadows, old fields, farmland, open wooded areas. May be found under logs, boards, and other debris.
|Name: Eastern Hognose snake (Heterodon platirhinos)|
Length: 20 - 33 in. (90 – 152 cm)
Habitat: Wooded hillsides, grassy fields, cultivated fields, dirt roads, open forest, dry areas with loose soil or sand.
|Name: Eastern Milk Snake (Lampropeltis triangulum)|
Length: 24 - 52 in. (61 - 90 cm)
Habitat: Open country, ecotones, human habitats, road-cuts, powerline right-of-ways, rocky hillsides, bog borders, and deciduous forest. May be found under cover objects, rocks, logs, boards, tin, or other building debris.
|Name: Smooth green snake (Liochlorophis vernalis)|
Length: 14 - 20 inches (36 - 51 cm)
Habitat: Lower shrub vegetation, old fields, pastures, farmland , meadows, bog borders, and forest clearings. Found mostly in the open, but may be found under rocks or logs.
|Name: Northern Water snake (Nerodia sipedon)|
Length: 24 - 55 in. (61 - 140 cm)
Habitat: Wide variety of aquatic and semi-aquatic habitats. Lakes, ponds, rivers, streams, creeks, canals, swamps, marshes, and wet meadows. May be found under rocks, logs or boards, but are mainly seen in the open basking or swimming.
|Name: Rough Green Snake (Opheodrys aestivus)|
Length: 22 - 32 inches (56 - 81 cm)
Habitat: Moist habitat, waterways in woodlands, lake & river borders, moist meadows. Mostly found in trees or shrubs near water, and seldom seen on the ground.
|Name: Queen snake (Regina septemvittata)|
Length: 14 - 23 in. (35.5 - 58.4 cm)
Habitat: Slow to fast flowing “clean” streams, creeks, rivers, small lakes, ponds with a good source of crayfish. May be found around or under loose rocks, retainer walls, vegetation, or on small trees, shrubs, and logs.
|Name: Northern Brown snake (Storeria dekayi)|
Length: 9 - 13 inches (23 - 33 cm)
Habitat: Dense forest to open grasslands, dry hillsides to marsh borders of ponds and lakes, abandoned human habitats, vacant lots, and other variable habitats. May be found under rocks, logs, boards, or other debris.
|Name: Redbelly snake (Storeria occipitomaculata)|
Length: 8 - 16 inches (20.3 - 40.6 cm)
Habitat: Deciduous hardwood forest & upland regions, open canopy woodlands, wood/field borders, wood/stream borders, moist woodlands, open fields, marsh or bog borders. May be found under rocks, logs, bark, or other natural debris.
|Name: Shorthead Garter Snake (Thamnophis brachystoma)|
Length: 18 - 26 inches (46 - 66 cm)
Habitat: Open country, dense woodlands, old fields, meadows, and wood/field borders. May be found under stones, rocks, logs, boards, and other debris, but is often seen out moving or basking.
|Name: Eastern Ribbon snake (Thamnophis sauritus)|
Length: 20 - 34 inches (50.8 - 86.3 cm)
Habitat: Rocky hillsides, grassy fields, deciduous forest, swamps, near ponds, or bogs with a permanent water source. May be found in trees or shrubs, or on land, near or in water.
|Name: Eastern Garter snake (Thamnophis sirtalis)|
Length: 20 - 28 inches (50.8 - 71.1 cm)
Habitat:Found in nearly all habitats from open talus slides, cultivated fields, open canopy deciduous and coniferous forest, swamps, marshes, and bogs to dry upland hillsides and/or human habitats. They are most often found around quarries, trash dumps, banks of ditches, canals, streams, rivers, ponds, or vacant lots, and may be found under logs, rocks, boards and other debris.
|Name: Eastern Smooth Earth Snake (Virginia v. valeriae)|
Length: 7 - 13 inches (18 - 33 cm)
Habitat: Deciduous forest, open hardwood forest, wood/field borders. May be found under rocks, logs, leaf litter, and other surface debris.
|Name: Mountain Earth Snake (Virginia valeriae pulchra)|
Length: 7 - 13 inches (18 - 33 cm)
Habitat: Hardwood or mixed hardwood – conifer forest in upland regions. Steep hillsides with rocky cover and second growth vegetation. Mainly found under rocks.
|Name: Northern Copperhead (Agkistrodon contortix mokasen)|
Length: 24 - 36 inches (61 - 90 cm)
Habitat: Deciduous forest, open fields and clearings (ofter near streams, but water is not a habitat requirement), rock crops, rock ledges, open habitat with rock and vegetation. May be found under large logs, rocks, around brush piles rock crevices or slides.
|Name: Timber rattlesnake (Crotalus horridus)|
Length: 36 - 60 inches (90 - 152 cm)
Habitat: Upland forest with rocky outcroppings, talus slops, rock crevices, rock ledges with vegetation, mature forest with numerous fallen logs, young forest with predominant leaf litter cover.
|Name: Massasauga (Sistrurus catenatus)|
Length: 18 - 40 inches (45 - 100 cm)
Habitat: Swamps, marshes, bogs, peat lands, wet meadows, prairie lands, low lying poorly drained soil, dry open fields with lots of vegetation. The habitat will vary with seasons. Spring & fall they can be found in the wetter habitats, and summer they may be found in dry habitats.