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Descriptive Attribute Value(s)
Grouping Ape
Observation Number (Open Context) 75
Subspecies Pan troglodytes verus
Common name Western chimpanzee
Period of study December 1994 - January 1996
Country or Region Guinea-Bissau
Method Direct observations
Wet season March - October
Dry season November - February
Environment Mosaic of primary, secondary, and scrub forest
Altitude (m) 550 - 710 (Sugiyama & Koman 1992)
% Fruit 60.7
% Leaves 10.8
% Flowers 1.1
% Seeds 6.3
% Pith & stems 15.4
% Roots 0.9
% Invertebrates 1.8
% Bark and cambium 0.9
% Other 2.1
Fruit availability peak January - April
Low fruit availability May - August
Percentages Based on time spent feeding
Reference Yamakoshi 1998
Scanning method Focal animal sampling (Altmann, 1974). Observation of one chimpanzee for 10 minutes at a time.
Full Reference
Yamakoshi, G. (1998). Dietary responses to fruit scarcity of wild chimpanzees at Bossou, Guinea: possible implications for ecological importance of tool use. American Journal of Physical Anthropology, 106: 283-295. [Available at: https://doi.org/10.1002/(SICI)1096-8644(199807)106:3<283::AID-AJPA2>3.0.CO;2-O]
Suggested Citation

Rebecca Haywood. (2020) "Ape 75 from Africa/Guinea-Bissau/Bossou, Guinea, West Africa". In Database of non-human primate dietary studies. Rebecca Haywood (Ed). Released: 2020-08-21. Open Context. <https://opencontext.org/subjects/a1183a90-f45f-4876-a212-c0f397a9b3d4> ARK (Archive): https://n2t.net/ark:/28722/k2th8vs4v

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