Snakes in Massac County

• 
  Northern Cottonmouth

  Agkistrodon piscivorus

  ▲ Venomous

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

• 
  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 Massac County

Northern Cottonmouth

Agkistrodon piscivorus

▲ Venomous

Common Watersnake

Nerodia sipedon

Harmless

Plain-bellied Watersnake

Nerodia erythrogaster

Harmless

Eastern Milksnake

Lampropeltis triangulum

Harmless

North American Racer

Coluber constrictor

Harmless

Black Kingsnake

Lampropeltis nigra

Harmless

Common Ribbon Snake

Thamnophis saurita

Harmless

Ring-necked Snake

Diadophis punctatus

Harmless

Gray Ratsnake

Pantherophis spiloides

Harmless

Diamondback Watersnake

Nerodia rhombifer

Harmless

Mudsnake

Farancia abacura

Harmless

DeKay's Brownsnake

Storeria dekayi

Harmless

Common Garter Snake

Thamnophis sirtalis

Harmless

Common Wormsnake

Carphophis amoenus

Harmless

Prairie Kingsnake

Lampropeltis calligaster

Harmless

Eastern Copperhead

Agkistrodon contortrix

▲ Venomous

Smooth Earthsnake

Virginia valeriae

Harmless

Eastern Kingsnake

Lampropeltis getula

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Massac County: FAQ

Are there venomous snakes in Massac County, Illinois?

Yes. 2 venomous snake species have verified records in Massac County, Illinois, including Northern Cottonmouth, Eastern Copperhead. Most snakes in Massac County, Illinois, however, are harmless.

How many snake species live in Massac County, Illinois?

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

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

The Northern Cottonmouth is the most frequently reported snake in Massac County, Illinois, based on verified wildlife observations.

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