Plains Black-headed Snake

Tantilla nigriceps

Venom Status:

Non Venomous

 

Characteristics:

A tiny (6-8”) secretive snake of the arid lands. This and the very similar Mexican black-headed snake cannot be differentiated externally. Use range as an identifier. Ranges do not overlap. Black cap has an even to weakly convex posterior edge that terminates ½ to 3 scale rows posterior to parietal plates. Dorsum grayish brown to brown; belly orange, brightest posteriorly. Use range as an identifier. Oviparous. Scales smooth in 15 rows.

 

Unique Features:

Black cap has an even to weakly convex posterior edge that terminates ½ to 3 scale rows posterior to parietal plates

 

Habitat and Diet:

Various sandy habitats such as grasslands, brushy desert, and open woodlands. Prey items include many species of suitably sized invertebrates, especially arthropods.

 

Geographic Range:

TX, AZ, CO, KS, NE, WY, NM, OK