Provides an overview of research on the historical and current distribution of the species in sub-Saharan Africa.

Summarizes research information on the distribution of the species in West Africa. Cites references.

Describes the aquatic mammal and it behaviors. Audio clip reproduces its roar.

Sums up the ecology of the world's largest river mammal.

Details the teeth, foot, and skull structure of this family and describes behaviors and ranges of the small and large species.

Discover the ecology of the small species and learn why it is critically endangered.

Describes the species's ecology. View several video clips of the animal.

Lists basic natural history facts for the species and tells of its general behaviors and adaptations.

Print out and color the illustration of the giant mammal. Also find some facts regarding the hippo's ecology.

Meet a fanatic who became enamored with hippos after seeing Fantasia as a child. Enjoy his extensive tribute, including photos and articles.

Find out how the hippo swims and learn of its territorial behaviors. Links to photographs of the huge animal.

Provides geographic range, physical characteristics and natural history of hippopotamus. Check out its conservation status and view photos.

Covers the natural history of the big aquatic beast and shares a video clip of the zoo's animals.

Organization conducts and publishes research regarding the status of hippo populations and conservation efforts. See maps and access the newsletter.

Profile of these mammals includes details on their appearance, their habitat, and their feeding habits. Find related resource links.

Brief fact sheet gives an idea of the appearance, range, and ecology of the hippo. Includes a photograph of one specimen on land.

Provides an illustration of the smaller hippo species and touches on its natural history.