San Diego Zoo Welcomes Endangered Baby Pygmy Hippo for the First Time in 30 Years
10 Hippo Facts! - National Geographic Kids
Welcome, Fritz! Cincinnati Zoo picks name for baby hippo
Hippopotamus, facts and photos
Hippo talk: study sheds light on purpose of call and response | Wildlife | The Guardian
Hippopotamus | Diet & Facts | Britannica
A Hippo's Response to an Unknown Caller? A Blast of Poop and a Rowdy Holler | Smart News| Smithsonian Magazine
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Hippopotamus, facts and photos
Cheyenne Mountain Zoo - Have you ever wondered what a hippo feels like? Imagine a wet, slimy basketball! Like many animals, different areas of a hippo's body can have different textures. For