It may also create a popping noise by extending and contracting its cloaca through its vent or gyrate suddenly to deter predators. Feeds on spiders and centipedes. In North America, the Western Hooknose Snake is found in parts of West Texas, southern New Mexico and Arizona, and northern and central Mexico. In Texas, it is found in the Trans-Pecos and Stockton Plateau areas. This project funded by the University of Texas College of Natural Sciences and the Texas Memorial Museum .
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