Colorado records
Black-necked Garter Snake in Colorado
HarmlessThamnophis cyrtopsis
Yes. The Black-necked Garter Snake has been recorded in 6 Colorado counties. It is non-venomous (harmless). Slender body with three light stripes running the length of a darker back.
Colorado counties with Black-necked Garter Snake records
6 listedSee the full Black-necked Garter Snake profile or all snakes in Colorado.