In what way are hippos dangerous? Hippos have two features that make them so deadly: their tusks and their weight. Hippos have tusks that grow from modified teeth at the front of their mouths. Their ...

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 ...

A federal judge has given the U.S. Fish and Wildlife Service three more years to determine whether the common hippopotamus should be protected under the U.S. Endangered Species Act. Wild hippos ...

Hippos are fast and land and even faster in the water. They can weigh up to 10,000 pounds and easily crush prey with their weight but that’s if they don’t use their 1.6-foot teeth to bite down on prey ...

When a bull elephant and hippo meet in a watering hole, it’s not always a peaceful coexistence. In the accompanying footage, captured by Scott Hyman in Botswana, South Africa, the much larger ...

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 then ...

Though they resemble giant pigs, their closest relatives are cetaceans like whales and porpoises. Hippos are characterized by large, barrel-shaped torsos, stocky legs, and large mouths containing ...