Despite being one of the most widely dispersed clades of prehistoric reptiles, the paleoecology of pterosaurs is poorly ...

This genetic change is evidence that the cave crocodiles are evolving into a new species. "As a result of that isolation and the fact that few individuals come in or go out, they're in the process ...

Unpublished analyses suggest a significant genetic divergence between the cave and forest populations. Researchers estimate that these crocodiles might be on the verge of becoming a new species. Their ...

A unique species of dwarf crocodile, trapped in underground caverns for millennia, has evolved distinctive traits that set it apart from its surface-dwelling relatives. In 2008, archaeologist ...