BBC footage shows male hippos fighting for dominance, sometimes for hours, in a brutal struggle for mating rights ...

You do not want to get on a hippopotamus’s bad side — it could be the last thing you do! These huge mammals can become vicious if provoked, and even though they haven’t been trained in martial arts, ...

A Nile adult hippopotamus at the Cincinnati Zoo is said to be fighting for his life two weeks after caretakers discovered an infection in his blood. The hippo named Henry is the father of Fiona, which ...

Why would a rhino pick a fight with a hippo, and who has the advantage? Do hippos and rhinos usually get along? Despite their seemingly calm demeanor as they float through the water, hippos are ...