Hippos are among the three largest land mammals, smaller only than the rhinoceros and the elephant. Thanks to their vast size ...

Things can get pretty intense when lions and hippos come together, but sometimes the result is much more comedic than you might expect!

Hippos eat grass. They can weigh 4 tons. It is an afternoon on a March day. Cammy is in her kitchen in Hyde Park. She cuts out the zoo staff's photos of Fiona resting on a keeper's lap and a ...

Normally thought of as herbivores, hippos have shown other carnivorous behavior before, too—in a 1998 paper, Joseph Dudley reported two of them killing and eating an impala. (Also see ...

Dogs do it, beetles do it and so, it seems, do hippos. Eat poo, that is. And it's not just their own poo they're partial to. A conservation group working in north-western Zimbabwe says it has noticed ...

TODAY got a glimpse at the baby pygmy hippo in a segment that aired on Sept. 26, in which Moo Deng is seen sleeping, eating, walking around and playing in her enclosure — all while captivating ...

Despite their enormous size and powerful bodies, hippos are actually herbivores that only eat plants. They mainly graze on land, consuming various types of grasses and dry vegetation. During the ...