Arizona records
Chihuahuan Nightsnake in Arizona
HarmlessHypsiglena jani

Yes. The Chihuahuan Nightsnake has been recorded in 6 Arizona counties. It is non-venomous (harmless). Pale gray with dark blotches, vertical pupils, and dark neck blotches.
Arizona counties with Chihuahuan Nightsnake records
6 listedSee the full Chihuahuan Nightsnake profile or all snakes in Arizona.