The third sister: Long-suspected third desert tortoise species proven to exist in Mexico

Thursday, February 11, 2016 - 09:50 in Biology & Nature

The huge variability among the desert tortoise populations of Mexico has finally been given an explanation after casting doubts for several decades. The puzzle was solved by an international team of researchers, led by Dr. Taylor Edwards, The University of Arizona, who teamed up to find out whether there has been a previously unknown third sister species all along. Moreover, unlike their predecessors, the team have managed to provide enough evidence to prove its existence. Their study is published in the open-access journal ZooKeys.

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