She said: "A hippo opens his mouth when afraid, to say look at my big mouth and teeth, or in play to play pushing games with other hippos, [they] also yawn like we do. To show anger if threatened ...

Wildlife groups argue the U.S. Fish and Wildlife Service to put common hippos on the endangered list to protect against U.S. trade in body parts.

But beyond their sheer size and incredible speed, hippos also have sharp, 20-inch-long teeth. Their massive jaws can open up to 180 degrees, and they can bite down with a force three times greater ...

Following is a transcript of the video. Narrator: Lions have them, hippos have them, and even you and I have them: canines, those long, pointy front teeth. They're actually the longest teeth in ...

poaching and trade in hippo parts — teeth, skulls, ivory, skin and meat — the future of hippos is uncertain. The comprehensive analysis of trade included in today’s petition demonstrates that hippos ...

Hippos are threatened by habitat loss and degradation, drought, poaching and the international demand for hippo parts, including teeth, skulls, ivory, skin and meat. Adam Peyman, wildlife programs ...

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 ...

Hippos are killed not only for meat but for ivory from their teeth. Mike is a wildlife photographer specialising in underwater photography. In 2004 he finished his education at Moscow State University ...