Rockin' tortoises: A 150-year-old new species

Researchers investigated a desert tortoise from the United States Southwest and northwestern Mexico. What was thought to be a simple problem in species identification turned out to be a very complex matter. Their investigations required forensic genetics and several other methods. In the end, they found it necessary to describe a new species. More than that, the discovery has very important implications for conservation and the development of the deserts of southern California.

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