Pennsylvania
Snakes in Warren County
12 species have been documented here, 1 of them venomous.
Venomous snakes in Warren 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 Warren County
Short-headed Garter Snake
Thamnophis brachystoma
Harmless
Smooth Earthsnake
Virginia valeriae
Harmless
Red-bellied Snake
Storeria occipitomaculata
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Timber Rattlesnake
Crotalus horridus
Venomous
Common Watersnake
Nerodia sipedon
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Smooth Greensnake
Opheodrys vernalis
Harmless
Queensnake
Regina septemvittata
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Warren County: FAQ
- Are there venomous snakes in Warren County, Pennsylvania?
- Yes. 1 venomous snake species has verified records in Warren County, Pennsylvania, including Timber Rattlesnake. Most snakes in Warren County, Pennsylvania, however, are harmless.
- How many snake species live in Warren County, Pennsylvania?
- 10+ snake species have verified records in Warren County, Pennsylvania, of which 1 is venomous.
- What is the most commonly seen snake in Warren County, Pennsylvania?
- The Short-headed Garter Snake is the most frequently reported snake in Warren County, Pennsylvania, based on verified wildlife observations.
- What should I do if I see a venomous snake in Warren County, Pennsylvania?
- Keep your distance and do not try to catch or kill it. Most bites happen when people handle or corner a snake. If someone is bitten, contact local emergency services or poison control immediately.