Thanks to social media, people around the world have fallen in love with Fiona and Fritz at the Cincinnati Zoo and the ...

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 ...

To celebrate all things hippopotamus, our next set of free coloring pages has fun facts and images of these cute creatures.