International coalition of organizations and individuals working for the conservation and welfare of great apes. Find out how to help.

Introduces a Ugandan field study which seeks to understand the relationship between mountain gorillas and chimps in their shared territories.

Shares links to many resources on apes and other primates.

Learn about a family which until recently counted only humans as members, but has now been expanded to include closely-related apes.

Browse resources related to the ape family of primates. Includes classification details, photos and links to related journal articles.

Presents a study on nestbuilding in gorillas, orangutans and chimpanzees. Learn about the functions of the nest.

Access images of the orangutans, chimpanzees and gorillas that fall under the pongidae family.

View maps depicting the geographic distribution of gorillas, chimpanzees and orangutans, and find details on their populations in the wild.