South Dakota records
North American Racer in South Dakota
HarmlessColuber constrictor

Yes. The North American Racer has been recorded in 28 South Dakota counties. It is non-venomous (harmless). Slender, smooth-scaled, usually solid black, blue, or tan with large eyes.
South Dakota counties with North American Racer records
28 listedSee the full North American Racer profile or all snakes in South Dakota.