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Descriptive Attribute Value(s)
Grouping Ape
Observation Number (Open Context) 59
Subspecies Pan troglodytes troglodytes
Common name Central chimpanzee
Period of study January 1984 - December 1991 (8 years)
Country or Region Gabon
Method Direct observation, faecal analysis
Wet season October - mid-December, mid-February - May (Williamson et al., 1990)
Dry season mid-June - mid-September
Environment Heterogeneous forest, with a dense understorey of herbs
Altitude (m) 250 - 600 (Appendices - Great Ape Societies)
% Fruit 63.8
% Leaves 11.5
% Flowers 2.9
% Seeds 6.9
% Pith & stems 5.2
% Vertebrates 1.7
% Invertebrates 5.2
% Bark and cambium 1.7
% Other 1.1
Fruit availability peak October - May
Low fruit availability mid-June - mid-September
Percentages Based on average diet composition
Notes Data taken from Table 1
Reference Tutin & Fernandez 1993a
Full Reference
Tutin, C. E. G. and Fernandez, M. (1993a). Composition of the diet of chimpanzees and comparisons with that of sympatric lowland gorillas in the Lopé Reserve, Gabon. American Journal of Primatology, 30 (3): 195-211. [Available at:]
Suggested Citation

Rebecca Haywood. (2020) "Ape 59 from Africa/Gabon/Station d'Etudes des Gorilles et Chimpanzes, Lope Reserve, Gabon". In Database of non-human primate dietary studies. Rebecca Haywood (Ed). Released: 2020-08-21. Open Context. <> ARK (Archive):

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