Kansas
Snakes in Atchison County
23 species have been documented here, 2 of them venomous.
Venomous snakes in Atchison County
Full guide & what to do if bitten →
Timber RattlesnakeCrotalus horridusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Every snake recorded in Atchison County
Ring-necked Snake
Diadophis punctatus
Harmless
Western Worm Snake
Carphophis vermis
Harmless
Common Watersnake
Nerodia sipedon
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Timber Rattlesnake
Crotalus horridus
Venomous
Western Ratsnake
Pantherophis obsoletus
Harmless
Eastern Copperhead
Agkistrodon contortrix
Venomous
North American Racer
Coluber constrictor
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Western Milksnake
Lampropeltis gentilis
Harmless
Western Ribbon Snake
Thamnophis proximus
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Prairie Kingsnake
Lampropeltis calligaster
Harmless
Lined Snake
Tropidoclonion lineatum
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Red-bellied Snake
Storeria occipitomaculata
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Common Wormsnake
Carphophis amoenus
Harmless
Plains Garter Snake
Thamnophis radix
Harmless
Speckled Kingsnake
Lampropeltis holbrooki
Harmless
Eastern Kingsnake
Lampropeltis getula
Harmless
Graham's Crawfish Snake
Regina grahamii
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.