See also:

• Kids and Teens: School Time: Science: Living Things: Animals: Mammals: Hippopotamuses  (4)

• Hippopotamus amphibius - Lisa Frisch provides information on this mammal, its classification, habitat, adaptations, nutrition and reproduction.
• Hippopotamus (Hippopotamus amphibius) - Range, habitat, physical description, reproduction, behavior, and diet.
• Hippopotamus (Hippopotamus amphibius) - Includes facts, photos and videos of the hippopotamus.
• Hippopotamus (Hippopotamus amphibius) - Physical characteristics, habitat, diet, reproduction, and conservation status.
• Pygmy Hippo: Hexaprotodon liberiensis - Fact sheet including a description, distribution, natural history and social structure.
• Pygmy Hippopotamus (Hexaprotodon liberiensis) - Fact sheet from EDGE, a conservation organization that focuses specifically on threatened species that represent a significant amount of unique evolutionary history.
• World Conservation Union (IUCN) Hippo Specialists Group - Promotes scientifically-based action for the conservation of common and pygmy hippos. Includes conservation news, research, facts, and statistics.