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

Common Watersnake
Nerodia sipedon
Harmless

Gray Ratsnake
Pantherophis spiloides
Harmless

Common Garter Snake
Thamnophis sirtalis
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

Eastern Milksnake
Lampropeltis triangulum
Harmless

North American Racer
Coluber constrictor
Harmless

DeKay's Brownsnake
Storeria dekayi
Harmless

Eastern Copperhead
Agkistrodon contortrix
Venomous

Eastern Hognose Snake
Heterodon platirhinos
Harmless

Timber Rattlesnake
Crotalus horridus
Venomous

Rough Greensnake
Opheodrys aestivus
Harmless

Common Wormsnake
Carphophis amoenus
Harmless

Western Ratsnake
Pantherophis obsoletus
Harmless

Western Ribbon Snake
Thamnophis proximus
Harmless

Plains Garter Snake
Thamnophis radix
Harmless

Prairie Kingsnake
Lampropeltis calligaster
Harmless

Kirtland's Snake
Clonophis kirtlandii
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.