There are 13 recognized species of crocodiles, each varying in size. The smallest species, the dwarf crocodile (Osteolaemus tetraspis), reaches about 5.6 feet (1.7 metres) in length and weighs ...

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 ...

but they may have been down there for thousands of years — and scientists say they may even be in the process of evolving into a new species. The cave-dwelling crocodiles were only studied for ...