Rattlesnake ( spp.) distribution and diversity in Zacatecas, Mexico.

Mexico is home to a large number of reptile species and has one of the greatest diversities of venomous snakes, among which the rattlesnakes pertaining to the genus stand out. Out of more than 40 species in the country, nine are found in Zacatecas: , , , , , , , and . Although these reptiles are important, due to their relevance in terms of ecology, cultural use and public health, their conservation is impacted by multiple factors, such as habitat fragmentation and indiscriminate killing.