America's beloved hippo, Fiona, from Cincinnati Zoo was filmed swimming in the pool and accidentally running over her mate ...

Though hippos can’t actually swim, they can bound across the bottom of the river bed with terrifying speed. They outweigh a ...

Did you know the word "hippopotamus" comes from the ancient Greek for "river horse"? But don't let that fool you; this big, lumbering mammal is anything but a horse. In fact, it's one of the most ...

A wild hippopotamus was pictured going for a swim in Kruger National Park, South Africa The animal performed some underwater acrobatics that made it look like it was dancing It was seen lifting ...