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Common name

Guerreran Long-tailed Rattlesnake

Scientific name

Crotalus ericsmithi

Conservation Status

Federal and State Protections

Countries of Occurrence


States or Providence 



Técpan de Galeana Municipality

Adult size

Species Description

The Guerreran Long-tailed Rattlesnake was discovered in 2008 from a small population in the municipality of Técpan de Galeana in the Sierra Madre del Sur mountain range. Of the discovered species, the Guerrocan Long-tailed Rattlesnake possesses the longest tail proportional to its body length.

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