Chihuahuan Black-headed Snake vs. Ring-necked Snake

Both are small snakes with a pale collar, under rocks and logs in the southeastern mountains. A: Light tan or cream; only the head is dark in the Chihuahuan Black-headed Snake; dark grey or olive all over in the Ring-necked Snake. B: Cream in front, pink or orange towards the tail, no black dots in the Chihuahuan Black-headed Snake; bright yellow, orange or red, with black dots in the Ring-necked Snake. C: A dark cap on a pale body, then a pale collar in the Chihuahuan Black-headed Snake; head the same dark colour as the body, then a yellow or orange ring in the Ring-necked Snake.

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