Hippos spew 'tornado poo' when they hear the voice of a hippo stranger - CNET
Hippo Facts For Kids | What Is A Hippopotamus | DK Find Out
Hippopotamus | Species | WWF
What do hippos eat? Everything to know about a hippopotamus' diet
Hippos | The Humane Society of the United States
Helpful Tips to Survive Getting Eaten by a Hippopotamus
Hippo guide: species facts and the best places to see in the wild | Discover Wildlife
Adopt a Hippopotamus | Symbolic Adoptions from WWF
Ugandan Toddler Survives Being Swallowed By A Hippo
Hippopotamus | African Wildlife Foundation
Hippo Fact Sheet | Blog | Nature | PBS
Tips for handling a HIPPO - UXM
Hooray for Fiona the Hippo, Our Bundle of Social-Media Joy - The New York Times
A hippo attacks a young boy, and then spits him out : NPR
Cheyenne Mountain Zoo - Our growing boy will soon hit another milestone, and you could win a hippo plush toy for guessing when it happens! Our littlest hippo, 10-month-old Omo, weighs nearly
2-year-old boy survives being half swallowed - headfirst - by a hippo - pennlive.com
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
Hippopotamus | Diet & Facts | Britannica
How Does a Hippo Make Its Own Sunscreen? | HowStuffWorks