Few animals look as calm and harmless as a hippo lounging in the water, but appearances can be deceiving. Dangerously so, in ...

Even the king of the jungle can have a bad day when trying to cross a river guarded by an aggressive hippo. Three lions found out the hard way that this river crossing was a giant hippo’s territory.

Hippos are responsible for an estimated 500 human deaths each year in Africa, yet they are still widely described as slow, lazy, or overweight. Their wide mouths, round bodies, and short legs make ...

Our recent research, using data uncovered from 60 years ago on nearly 3,000 hippos, suggests that their semi-aquatic behavior may play a key role in minimizing the size differences between the sexes.