Missouri
Snakes in Montgomery County
17 species have been documented here, 2 of them venomous.
Venomous snakes in Montgomery 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 Montgomery County

Ring-necked Snake
Diadophis punctatus
Harmless

Western Ratsnake
Pantherophis obsoletus
Harmless

North American Racer
Coluber constrictor
Harmless

Eastern Copperhead
Agkistrodon contortrix
Venomous

Flat-headed Snake
Tantilla gracilis
Harmless

Tantilla selmae
Harmless

Timber Rattlesnake
Crotalus horridus
Venomous

Eastern Milksnake
Lampropeltis triangulum
Harmless

Western Ribbon Snake
Thamnophis proximus
Harmless

DeKay's Brownsnake
Storeria dekayi
Harmless

Rough Greensnake
Opheodrys aestivus
Harmless

Western Worm Snake
Carphophis vermis
Harmless

Common Watersnake
Nerodia sipedon
Harmless

Red-bellied Snake
Storeria occipitomaculata
Harmless

Speckled Kingsnake
Lampropeltis holbrooki
Harmless

Eastern Hognose Snake
Heterodon platirhinos
Harmless

Prairie Kingsnake
Lampropeltis calligaster
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.