Watch this unsettling video of an aggressive hippo with incredible speed chasing after a boat full of nervous tourists!

Revealing life under water, whether portraying a particular marine or freshwater environment, focusing on the behavior of an animal or placing it within the context of a specific underwater location, ...

The Mara River makes the perfect home for hippos. They graze the surrounding reed beds and grassland and swim in the bends and pools of deep water. The river supports around 2,000 of these semi ...

Poppy — a viral baby pygmy hippo at the Metro Richmond Zoo — got her own livestream on Jan. 13, the Virginia zoo announced.

“While common hippos usually give birth underwater, pygmy hippo calves can be born on land or in water.” Pygmy hippos, known formally as Choeropsis liberiensis, are much smaller than a ...

Common hippos usually give birth underwater, while pygmy hippo calves can be born on land or in water. The baby hippo arrived around 4:50 p.m., while Iris was laboring in the indoor pool ...

MORE: New video of pandas at National Zoo released This is the first time Iris gave birth in the water, the press release stated. Common hippos usually give birth underwater, while pygmy hippo calves ...