Snakes

Below is a current list representing the two hundred and three (203) species and subspecies of snakes that occur in the region that we have defined as being the American Southwest.

Our goal is to eventually display one or more photographs for every species/subspecies listed below. We also plan to eventually provide habitat photographs and range maps for as many species as possible along with the legal/protective status of each in the states where they occur within our region.

To help maintain some degree of taxonomic stability and reduce confusion, we here at the Southwestern Center for Herpetological Research (SWCHR) have elected to take a conservative taxonomic approach when deciding which scientific and common names to utilize in this species listing. Please click here for an explanation of our philosophy regarding taxonomic issues. In cases where we feel that the current taxonomy of a species/subspecies is either controversial, or if we for any reason elected not to follow either Scientific and Standard English Names of Amphibians and reptiles of North America North of Mexico with Comments Regarding Confidence in Our Understanding, 6th Edition, 2008 by Brian I. Crother, et al or Standard Common and Current Scientific Names for North American Amphibians, Turtles, Reptiles, and Crocodilians, 7th Edition (2009) by Joseph T. Collins and Travis W. Taggart, we have linked a taxonomic note to the listing which explains our reasoning.

Those species and subspecies that do have photos available are identified as clickable links on the list below. If you have good quality photographs that you have taken of species/subspecies that do not yet have photos, you are encouraged to submit them for possible inclusion.

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