Pennsylvania
Snakes in Venango County
17 species have been documented here, 3 of them venomous.
Venomous snakes in Venango County
Full guide & what to do if bitten →
Eastern MassasaugaSistrurus catenatusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
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 Venango County

Common Watersnake
Nerodia sipedon
Harmless

Short-headed Garter Snake
Thamnophis brachystoma
Harmless

Common Garter Snake
Thamnophis sirtalis
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

DeKay's Brownsnake
Storeria dekayi
Harmless

Red-bellied Snake
Storeria occipitomaculata
Harmless

Smooth Earthsnake
Virginia valeriae
Harmless

Gray Ratsnake
Pantherophis spiloides
Harmless

Eastern Massasauga
Sistrurus catenatus
Venomous

Eastern Milksnake
Lampropeltis triangulum
Harmless

Queensnake
Regina septemvittata
Harmless

Timber Rattlesnake
Crotalus horridus
Venomous

North American Racer
Coluber constrictor
Harmless

Smooth Greensnake
Opheodrys vernalis
Harmless

Common Ribbon Snake
Thamnophis saurita
Harmless

Western Ratsnake
Pantherophis obsoletus
Harmless

Eastern Copperhead
Agkistrodon contortrix
Venomous
Compiled from verified GBIF & iNaturalist observations. Informational only.