The scales on a crocodile’s body develop through this mechanism. About a decade ago, Milinkovitch noticed that the scales on the reptile’s jaws and face differ from those on its body. He speculated ...

They found crocodiles achieved a punctuated equilibrium, or a sort of stasis in their evolutionary journey. This theory contrasts with the idea that evolution happens over a long period of time with ...

First, they tracked the evolution of the head scales during the embryonic development of the Nile crocodile, which lasts about 90 days in total. While the skin covering the jaws remains smooth ...

The cave crocodiles are genetically distinct from their forest counterparts. Over time, their isolation has led to the development of new traits, signalling their evolution into a separate species.