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 ...

Did you know that despite spending most of their lives in water, hippos can’t actually swim? It may sound odd, but these semi-aquatic giants have unique adaptations that allow them to thrive in their ...