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

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

He's small, cute and viral: the baby pygmy hippo Moo Deng, housed in a Thai zoo, has become the star of millions of posts, ...

Reports of baby pygmy hippos in Thailand and in Richmond, Virginia, have garnered much attention for their respective zoos, ...