Snakes in Dyer County

• 
  Northern Cottonmouth

  Agkistrodon piscivorus

  ▲ 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 Dyer County

Northern Cottonmouth

Agkistrodon piscivorus

▲ Venomous

Gray Ratsnake

Pantherophis spiloides

Harmless

Black Kingsnake

Lampropeltis nigra

Harmless

Plain-bellied Watersnake

Nerodia erythrogaster

Harmless

Common Garter Snake

Thamnophis sirtalis

Harmless

DeKay's Brownsnake

Storeria dekayi

Harmless

Eastern Milksnake

Lampropeltis triangulum

Harmless

Diamondback Watersnake

Nerodia rhombifer

Harmless

Common Watersnake

Nerodia sipedon

Harmless

North American Racer

Coluber constrictor

Harmless

Western Ribbon Snake

Thamnophis proximus

Harmless

Timber Rattlesnake

Crotalus horridus

▲ Venomous

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Dyer County: FAQ

Are there venomous snakes in Dyer County, Tennessee?

Yes. 2 venomous snake species have verified records in Dyer County, Tennessee, including Northern Cottonmouth, Timber Rattlesnake. Most snakes in Dyer County, Tennessee, however, are harmless.

How many snake species live in Dyer County, Tennessee?

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

What is the most commonly seen snake in Dyer County, Tennessee?

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

What should I do if I see a venomous snake in Dyer County, Tennessee?

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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