Snakes in Centre County

• 
  Timber Rattlesnake

  Crotalus horridus

  ▲ Venomous

  Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.

• 
  Eastern Copperhead

  Agkistrodon contortrix

  ▲ Venomous

  Heavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.

Every snake recorded in Centre County

Timber Rattlesnake

Crotalus horridus

▲ Venomous

Common Garter Snake

Thamnophis sirtalis

Harmless

Eastern Milksnake

Lampropeltis triangulum

Harmless

Ring-necked Snake

Diadophis punctatus

Harmless

Common Watersnake

Nerodia sipedon

Harmless

Gray Ratsnake

Pantherophis spiloides

Harmless

Red-bellied Snake

Storeria occipitomaculata

Harmless

Eastern Ratsnake

Pantherophis alleghaniensis

Harmless

North American Racer

Coluber constrictor

Harmless

Eastern Hognose Snake

Heterodon platirhinos

Harmless

Common Ribbon Snake

Thamnophis saurita

Harmless

Eastern Copperhead

Agkistrodon contortrix

▲ Venomous

Smooth Greensnake

Opheodrys vernalis

Harmless

DeKay's Brownsnake

Storeria dekayi

Harmless

Smooth Earthsnake

Virginia valeriae

Harmless

Common Wormsnake

Carphophis amoenus

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Centre County: FAQ

Are there venomous snakes in Centre County, Pennsylvania?

Yes. 2 venomous snake species have verified records in Centre County, Pennsylvania, including Timber Rattlesnake, Eastern Copperhead. Most snakes in Centre County, Pennsylvania, however, are harmless.

How many snake species live in Centre County, Pennsylvania?

10+ snake species have verified records in Centre County, Pennsylvania, of which 2 are venomous.

What is the most commonly seen snake in Centre County, Pennsylvania?

The Timber Rattlesnake is the most frequently reported snake in Centre County, Pennsylvania, based on verified wildlife observations.

What should I do if I see a venomous snake in Centre 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.

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