Did hippos evolve from crocodiles?

Hippos are large, dangerous mammals. The crocodiles that live alongside them know not only that they couldn't take down an adult but that attacking a baby would bring on the wrath of the adults near it. Consequently they leave hippos alone and will only attack a baby hippo if it is far from the adults. read more

The hippos are only semi-aquatic, and retain their legs, but they're dramatically reduced. This makes it easy for them to hang out in shallow rivers, without completely sacrificing the ability to move around on land. read more

Crocodiles do not usually attack full grown hippos because of the hippos' sheer size. But hippos will occasionally attack and kill a crocodile. And now, the answer to your question: no, hippos do not eat the crocodiles that they kill. read more

Kenyan fossils show evolution of hippos Date: February 24, 2015 Source: Le Centre national de la recherche scientifique (CNRS) Summary: A French-Kenyan research team has just described a new fossil ancestor of today's hippo family. read more