Snakes in Johnson County

• 
  Eastern Copperhead

  Agkistrodon contortrix

  ▲ 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 Johnson County

Ring-necked Snake

Diadophis punctatus

Harmless

Common Watersnake

Nerodia sipedon

Harmless

Eastern Copperhead

Agkistrodon contortrix

▲ Venomous

Western Ratsnake

Pantherophis obsoletus

Harmless

Common Garter Snake

Thamnophis sirtalis

Harmless

Western Worm Snake

Carphophis vermis

Harmless

DeKay's Brownsnake

Storeria dekayi

Harmless

North American Racer

Coluber constrictor

Harmless

Rough Greensnake

Opheodrys aestivus

Harmless

Prairie Kingsnake

Lampropeltis calligaster

Harmless

Eastern Milksnake

Lampropeltis triangulum

Harmless

Flat-headed Snake

Tantilla gracilis

Harmless

Western Milksnake

Lampropeltis gentilis

Harmless

Timber Rattlesnake

Crotalus horridus

▲ Venomous

Lined Snake

Tropidoclonion lineatum

Harmless

Plain-bellied Watersnake

Nerodia erythrogaster

Harmless

Speckled Kingsnake

Lampropeltis holbrooki

Harmless

Graham's Crawfish Snake

Regina grahamii

Harmless

Smooth Earthsnake

Virginia valeriae

Harmless

Gopher Snake

Pituophis catenifer

Harmless

Common Wormsnake

Carphophis amoenus

Harmless

Eastern Hognose Snake

Heterodon platirhinos

Harmless

Eastern Kingsnake

Lampropeltis getula

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Johnson County: FAQ

Are there venomous snakes in Johnson County, Kansas?

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

How many snake species live in Johnson County, Kansas?

20+ snake species have verified records in Johnson County, Kansas, of which 2 are venomous.

What is the most commonly seen snake in Johnson County, Kansas?

The Ring-necked Snake is the most frequently reported snake in Johnson County, Kansas, based on verified wildlife observations.

What should I do if I see a venomous snake in Johnson County, Kansas?

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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