An alpha hippo is challenged by two outside males. A coup by two hippo bulls is out of the ordinary, but this is no ordinary year, as a once-in-a-lifetime drought spurs unusual animal behavior.

Notoriously aggressive, hippopotami are some of the deadliest land animals to humans, causing around 500 casualties annually.

Ever wondered what would happen if two of the worlds largest animals went head to head in a battle The Animal FaceOff series aims to find out After expertly designed replicas of the animals are ...

As a new day dawns on a changed hippo colony, the clan gathers around their fallen leader. As the colony gathers around his body, it's hard not to interpret their behavior as mourning. While this type ...