Snakes in Pulaski County

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  Northern Cottonmouth

  Agkistrodon piscivorus

  ▲ Venomous

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

Every snake recorded in Pulaski County

Black Kingsnake

Lampropeltis nigra

Harmless

Plain-bellied Watersnake

Nerodia erythrogaster

Harmless

Gray Ratsnake

Pantherophis spiloides

Harmless

Common Garter Snake

Thamnophis sirtalis

Harmless

North American Racer

Coluber constrictor

Harmless

Common Watersnake

Nerodia sipedon

Harmless

Northern Cottonmouth

Agkistrodon piscivorus

▲ Venomous

Diamondback Watersnake

Nerodia rhombifer

Harmless

Eastern Milksnake

Lampropeltis triangulum

Harmless

Common Wormsnake

Carphophis amoenus

Harmless

Common Ribbon Snake

Thamnophis saurita

Harmless

Ring-necked Snake

Diadophis punctatus

Harmless

Smooth Earthsnake

Virginia valeriae

Harmless

Mudsnake

Farancia abacura

Harmless

DeKay's Brownsnake

Storeria dekayi

Harmless

Prairie Kingsnake

Lampropeltis calligaster

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Pulaski County: FAQ

Are there venomous snakes in Pulaski County, Illinois?

Yes. 1 venomous snake species has verified records in Pulaski County, Illinois, including Northern Cottonmouth. Most snakes in Pulaski County, Illinois, however, are harmless.

How many snake species live in Pulaski County, Illinois?

10+ snake species have verified records in Pulaski County, Illinois, of which 1 is venomous.

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

The Black Kingsnake is the most frequently reported snake in Pulaski County, Illinois, based on verified wildlife observations.

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