“As more gather around his body, it's hard not to interpret this behavior as mourning. Or at least as a way of coming to terms with their loss. This type of procession has been observed with elephants ...

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.

As a new day dawns on a changed hippo colony, the clan gathers around their fallen leader. As the colony gathers around his ...

About 50 hippos have died of anthrax poisoning in the Democratic Republic of Congo's Virunga National Park, the oldest ...