Snakes in Westchester County

• 
  Eastern Copperhead

  Agkistrodon contortrix

  ▲ Venomous

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

• 
  Timber Rattlesnake

  Crotalus horridus

  ▲ Venomous

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

Every snake recorded in Westchester County

Common Garter Snake

Thamnophis sirtalis

Harmless

Common Watersnake

Nerodia sipedon

Harmless

Eastern Ratsnake

Pantherophis alleghaniensis

Harmless

DeKay's Brownsnake

Storeria dekayi

Harmless

Eastern Milksnake

Lampropeltis triangulum

Harmless

Ring-necked Snake

Diadophis punctatus

Harmless

North American Racer

Coluber constrictor

Harmless

Eastern Copperhead

Agkistrodon contortrix

▲ Venomous

Eastern Hognose Snake

Heterodon platirhinos

Harmless

Timber Rattlesnake

Crotalus horridus

▲ Venomous

Red-bellied Snake

Storeria occipitomaculata

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Westchester County: FAQ

Are there venomous snakes in Westchester County, New York?

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

How many snake species live in Westchester County, New York?

11 snake species have verified records in Westchester County, New York, of which 2 are venomous.

What is the most commonly seen snake in Westchester County, New York?

The Common Garter Snake is the most frequently reported snake in Westchester County, New York, based on verified wildlife observations.

What should I do if I see a venomous snake in Westchester County, New York?

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.

Nearby counties