Pennsylvania
Snakes in Tioga County
10 species have been documented here, 1 of them venomous.
Venomous snakes in Tioga 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 Tioga County

Common Garter Snake
Thamnophis sirtalis
Harmless

Timber Rattlesnake
Crotalus horridus
Venomous

Red-bellied Snake
Storeria occipitomaculata
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

Eastern Milksnake
Lampropeltis triangulum
Harmless

Common Watersnake
Nerodia sipedon
Harmless

Smooth Greensnake
Opheodrys vernalis
Harmless

DeKay's Brownsnake
Storeria dekayi
Harmless

North American Racer
Coluber constrictor
Harmless

Gray Ratsnake
Pantherophis spiloides
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Tioga County: FAQ
- Are there venomous snakes in Tioga County, Pennsylvania?
- Yes. 1 venomous snake species has verified records in Tioga County, Pennsylvania, including Timber Rattlesnake. Most snakes in Tioga County, Pennsylvania, however, are harmless.
- How many snake species live in Tioga County, Pennsylvania?
- 10 snake species have verified records in Tioga County, Pennsylvania, of which 1 is venomous.
- What is the most commonly seen snake in Tioga County, Pennsylvania?
- The Common Garter Snake is the most frequently reported snake in Tioga County, Pennsylvania, based on verified wildlife observations.
- What should I do if I see a venomous snake in Tioga 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.