Pennsylvania
Snakes in Union County
13 species have been documented here, 1 of them venomous.
Venomous snakes in Union 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.
Every snake recorded in Union County
Common Garter Snake
Thamnophis sirtalis
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Common Watersnake
Nerodia sipedon
Harmless
Gray Ratsnake
Pantherophis spiloides
Harmless
Eastern Ratsnake
Pantherophis alleghaniensis
Harmless
Timber Rattlesnake
Crotalus horridus
Venomous
North American Racer
Coluber constrictor
Harmless
Red-bellied Snake
Storeria occipitomaculata
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Common Ribbon Snake
Thamnophis saurita
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Common Wormsnake
Carphophis amoenus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.