Snakes in Gallatin 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 Gallatin County

Timber Rattlesnake

Crotalus horridus

▲ Venomous

Gray Ratsnake

Pantherophis spiloides

Harmless

Eastern Copperhead

Agkistrodon contortrix

▲ Venomous

Black Kingsnake

Lampropeltis nigra

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Gallatin County: FAQ

Are there venomous snakes in Gallatin County, Illinois?

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

How many snake species live in Gallatin County, Illinois?

4 snake species have verified records in Gallatin County, Illinois, of which 2 are venomous.

What is the most commonly seen snake in Gallatin County, Illinois?

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

What should I do if I see a venomous snake in Gallatin County, Illinois?

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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