Missouri
Snakes in Butler County
18 species have been documented here, 3 of them venomous.
Venomous snakes in Butler County
Full guide & what to do if bitten →
Northern CottonmouthAgkistrodon piscivorusVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
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 Butler County
Western Ratsnake
Pantherophis obsoletus
Harmless
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Northern Cottonmouth
Agkistrodon piscivorus
Venomous
Eastern Copperhead
Agkistrodon contortrix
Venomous
Rough Greensnake
Opheodrys aestivus
Harmless
Common Watersnake
Nerodia sipedon
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Diamondback Watersnake
Nerodia rhombifer
Harmless
Speckled Kingsnake
Lampropeltis holbrooki
Harmless
Mudsnake
Farancia abacura
Harmless
North American Racer
Coluber constrictor
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Banded Watersnake
Nerodia fasciata
Harmless
Red-bellied Snake
Storeria occipitomaculata
Harmless
Timber Rattlesnake
Crotalus horridus
Venomous
Prairie Kingsnake
Lampropeltis calligaster
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.