Alimentation et activité d’un groupe de chimpanzés réintroduits en forêt Gabonaise

In 1968 and 1969, a group of free-ranging Chimpanzees, Pan troglodytes troglodytes, was introduced onto an island of the Ipassa Reserve (fig. 2), near Makokou, Gabon. Observations of this group during one year (1971/1972) allowed the author to collect precise data about their feeding behaviour in a natural environment and to make quantitative estimates of the composition of diet