Gyalopion canum

Small snakes famous for their ability to make popping noises with their cloacae.

An adult on the road between Columbus and Santa Theresa, Doña Ana County, New Mexico, 24 Aug 2007.

Same critter as above, 24 Aug 2007.

Young snake in Hidalgo County, NM, 9/17/04.

Same snake in Hidalgo County, NM, 9/17/04.