Snakes in Butler County

• 
  Eastern Massasauga

  Sistrurus catenatus

  ▲ Venomous

  Stout, dark-blotched body, nine large scales on the crown, and a small rattle.

• 
  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 Butler County

Common Garter Snake

Thamnophis sirtalis

Harmless

Common Watersnake

Nerodia sipedon

Harmless

Gray Ratsnake

Pantherophis spiloides

Harmless

DeKay's Brownsnake

Storeria dekayi

Harmless

Eastern Massasauga

Sistrurus catenatus

▲ Venomous

Queensnake

Regina septemvittata

Harmless

Ring-necked Snake

Diadophis punctatus

Harmless

Eastern Milksnake

Lampropeltis triangulum

Harmless

North American Racer

Coluber constrictor

Harmless

Common Ribbon Snake

Thamnophis saurita

Harmless

Smooth Greensnake

Opheodrys vernalis

Harmless

Western Ratsnake

Pantherophis obsoletus

Harmless

Kirtland's Snake

Clonophis kirtlandii

Harmless

Short-headed Garter Snake

Thamnophis brachystoma

Harmless

Red-bellied Snake

Storeria occipitomaculata

Harmless

Eastern Copperhead

Agkistrodon contortrix

▲ Venomous

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Butler County: FAQ

Are there venomous snakes in Butler County, Pennsylvania?

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

How many snake species live in Butler County, Pennsylvania?

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

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

The Common Garter Snake is the most frequently reported snake in Butler County, Pennsylvania, based on verified wildlife observations.

What should I do if I see a venomous snake in Butler 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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