San Diego Zoo Global
San Diego Zoo: Hippotpotamus
This resource presents detailed information about the hippotpotamus, including several photos and an audio clip.
National Geographic Kids
National Geographic Kids: Animals: Hippopotamus
Multi-media National Geographic site includes video and audio clips about hippopotamuses. Fun facts are great for students doing research projects and you can send a postcard to a friend.
A-Z Animals
A Z Animals: Animal Facts: Hippopotamus (Hippopotamus Amphibius)
This entry identifies the defining characteristics of Hippopotamus Amphibius, more commonly known as the Hippopotamus.
The BIG zoo
The Big Zoo: Hippopotamus (Hippopotamus Amphibius)
This site provides a general overview of the hippopotamus. Content takes a look at what this animal eats, where it lives, who its predators are, and more. Several audio and video clips are also available.
BBC
Bbc: Nature Wildfacts: Hippopotamus
This resource provides detailed information about hippopotamuses.
Denver Zoo
Denver Zoo: River Hippopotamus
The Denver Zoo provides an in-depth overview of the river hippopotamus highlighting its habitat, range, adaptations, diet, physical characteristics, and more.
Smithsonian Institution
National Museum of Natural History: Hall of Mammals: Hippopotamus
Brief overview of the hippopotamus and accompanying photos demonstrate the physical adaptations that allow this animal to survive in its habitat.