de Waal, F. B. M. 2001. Foreward. In: Special Topics in Primatology Volume 2 - The Care and Management of Captive Chimpanzees. Brent, L. (ed.), xi-xiii. The American Society of Primatologists, San Antonio, TX.

Primate intelligence is to a large extent social intelligence. Efforts to proved an interesting and variable life to captive primates should focus, therefore, on the social environment. The physical housing conditions will then be dictated by the requirements of group life.