Pennsylvania
Snakes in Montour County
8 species have been documented here, 1 of them venomous.
Venomous snakes in Montour 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 Montour County
Common Garter Snake
Thamnophis sirtalis
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Common Watersnake
Nerodia sipedon
Harmless
Gray Ratsnake
Pantherophis spiloides
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Eastern Ratsnake
Pantherophis alleghaniensis
Harmless
Timber Rattlesnake
Crotalus horridus
Venomous
Compiled from verified GBIF & iNaturalist observations. Informational only.