North of river Zaire, from Senegal to Tanzania. Short white beard common in both sexes. The skin is variable from pink to brown or black, normally darkening with age. All chimpanzee are members of a community of 15 to 120.
Males form border patrols, frequently visiting the boundary of their range.
Males will attack a lone male by biting and hitting them. Mothers which migrate to a neighboring community risk attacks also. Chimpanzee are predominently arboreal. They are inventive problem-solvers. They have learned to use their hands like man.