Hippopotamus amphibius, photographed at the Philadelphia Zoo. Have you ever tried to walk along the bottom of a pool while fully submerged? It isn’t easy. Keeping your feet on the bottom is enough of ...

The hippopotamus, commonly called "hippo," is the third-largest living land animal. Male hippos can weigh up to 9,920 pounds while females weigh around 3,000 pounds, according to PBS." The animal's ...

Marius Els raised Humphrey the hippo 'like a son' and even built a huge lake on his farm for the animal to swim in - but the ...

Pigs might not fly, but it turns out that hippos can get seriously airborne. Surprise new research from the Royal Veterinary College in England has uncovered that the African animals launch all four ...

We thought hippos went extinct in Central Europe around 115,000 years ago, but new fossil finds tell a different story.

Hippos can get airborne when moving at high speeds over land, according to a new study. This is the first time that the animals, which can weigh more than 2,000 kilograms (2.2 tons) and spend much of ...

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CORPORATIONS HAVE enjoyed legal personhood since the 19th century. Now, it seems, they have company. A dispute over the fate of hippos in Colombia has given rise to a federal court ruling in Ohio that ...