Learn more about House Hippos

National Geographic, March 19 2020. A good overview of the questions surrounding the house hippo. Cover photo by Bruno Sousa.

National Geographic Little Kids, March/April 2020. An intro to hippos of all kinds for the little ones.

A Tabletop Guide to the North American House Hippo. 1978. Slightly outdated but still the best reference for hippo hosts.

House Hippo Updates