Before Moo Deng became a viral sensation, baby Obi was making waves with his mom at the Melbourne Zoo in Australia. A YouTube video from Zoos Victoria shows the baby pygmy hippo taking its first swim ...

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 ...

Thanks to social media, people around the world have fallen in love with Fiona and Fritz at the Cincinnati Zoo and the adorable memes of baby Moo Deng. It’s easy to see why — baby hippos are ...