Pennsylvania
Snakes in Lycoming County
17 species have been documented here, 2 of them venomous.
Venomous snakes in Lycoming County
Full guide & what to do if bitten →
Timber RattlesnakeCrotalus horridusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Every snake recorded in Lycoming County
Common Garter Snake
Thamnophis sirtalis
Harmless
Timber Rattlesnake
Crotalus horridus
Venomous
Common Watersnake
Nerodia sipedon
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Red-bellied Snake
Storeria occipitomaculata
Harmless
Gray Ratsnake
Pantherophis spiloides
Harmless
Smooth Greensnake
Opheodrys vernalis
Harmless
Eastern Ratsnake
Pantherophis alleghaniensis
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Common Ribbon Snake
Thamnophis saurita
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Eastern Copperhead
Agkistrodon contortrix
Venomous
Queensnake
Regina septemvittata
Harmless
North American Racer
Coluber constrictor
Harmless
Common Wormsnake
Carphophis amoenus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.