North Dakota
Snakes in McKenzie County
6 species have been documented here, 1 of them venomous.
Venomous snakes in McKenzie County
Full guide & what to do if bitten →
Prairie RattlesnakeCrotalus viridisVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in McKenzie County

Gopher Snake
Pituophis catenifer
Harmless

North American Racer
Coluber constrictor
Harmless

Prairie Rattlesnake
Crotalus viridis
Venomous

Plains Garter Snake
Thamnophis radix
Harmless

Plains Hognose Snake
Heterodon nasicus
Harmless

Common Garter Snake
Thamnophis sirtalis
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.