project banner image
Descriptive Attribute Value(s)
Grouping Ape
Observation Number (Open Context) 14
Subspecies Gorilla gorilla gorilla
Common name Western gorilla
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 43.9
% Leaves 25.3
% Flowers 1.4
% Seeds 9.0
% Pith & stems 7.2
% Bark and cambium 5.4
% Other 7.7
Fruit availability peak January - March
Low fruit availability mid-June - mid-September
Percentages Based on average diet composition
Notes Other includes non-plant food. Data taken from Table 3, and includes data from Williamson et al., (1990)
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 14 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):

Copyright License

To the extent to which copyright applies, this content carries the above license. Follow the link to understand specific permissions and requirements.

Required Attribution: Citation and reference of URIs (hyperlinks)