Kansas
Snakes in Leavenworth County
21 species have been documented here, 2 of them venomous.
Venomous snakes in Leavenworth County
Full guide & what to do if bitten →
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Timber RattlesnakeCrotalus horridusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Leavenworth County
Ring-necked Snake
Diadophis punctatus
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Eastern Copperhead
Agkistrodon contortrix
Venomous
DeKay's Brownsnake
Storeria dekayi
Harmless
Common Watersnake
Nerodia sipedon
Harmless
North American Racer
Coluber constrictor
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Lined Snake
Tropidoclonion lineatum
Harmless
Common Wormsnake
Carphophis amoenus
Harmless
Flat-headed Snake
Tantilla gracilis
Harmless
Timber Rattlesnake
Crotalus horridus
Venomous
Western Milksnake
Lampropeltis gentilis
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Prairie Kingsnake
Lampropeltis calligaster
Harmless
Western Worm Snake
Carphophis vermis
Harmless
Smooth Earthsnake
Virginia valeriae
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Diamondback Watersnake
Nerodia rhombifer
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Red Cornsnake
Pantherophis guttatus
Harmless
Speckled Kingsnake
Lampropeltis holbrooki
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Leavenworth County: FAQ
- Are there venomous snakes in Leavenworth County, Kansas?
- Yes. 2 venomous snake species have verified records in Leavenworth County, Kansas, including Eastern Copperhead, Timber Rattlesnake. Most snakes in Leavenworth County, Kansas, however, are harmless.
- How many snake species live in Leavenworth County, Kansas?
- 20+ snake species have verified records in Leavenworth County, Kansas, of which 2 are venomous.
- What is the most commonly seen snake in Leavenworth County, Kansas?
- The Ring-necked Snake is the most frequently reported snake in Leavenworth County, Kansas, based on verified wildlife observations.
- What should I do if I see a venomous snake in Leavenworth 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.