Wrangham, R. W. 1992. Living naturally: Aspects of wild environments relevant to captive chimpanzee management. In: Chimpanzee Conservation and Public Health: Environments for the Future. Erwin, J. , Landon, J. C. (eds), 71-81. Diagnon/Bioqual, Rockville, MD.

Discussion of activity budgets of chimpanzees living in their natural habitat. The animals spend about 50% of the time feeding, 15% of the time resting, less than 15% of the time grooming each other.

Year

1992