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Descriptive Attribute Value(s)
Grouping Ape
Observation Number (Open Context) 98
Subspecies Pongo pygmaeus wurmbii
Common name Southwest Bornean orangutan
Period of study 1971 - 1975
Country or Region Borneo
Method Direct observation
Wet season December - May, September (Galdikas 1988)
Dry season June - August (Galdikas 1988)
Environment Dry lowland, heath, peat swamp, freshwater swamp
Altitude (m) 10 - 40 (Russon et al 2009)
% Fruit 53.2
% Leaves 14.0
% Flowers 4.1
% Pith & stems 0.7
% Herbs 6.8
% Invertebrates 2.0
% Bark and cambium 17.1
% Other 2.0
Fruit availability peak Unknown
Low fruit availability Unknown
Percentages Based on average diet composition
Notes Data taken from Table 9.4. Herbs are comprised of other vegetation, Invertebrates includes all animal matter, this information was included here because insects are generally consumed in greater quantities than vertebrate animals.
Reference Russon et al., 2009
Full Reference
Russon, A. E., Wich, S. A., Ancrenaz, M., Kanamori, T., Knott, C. D., Kuze, N., Morrogh-Bernard, H. C., Pratje, P., Ramlee, H., Rodman, P., Sawang, A., Sidiyasa, K., Singleton, I. and van Schaik, C. P. (2009). Geographic variation in orangutan diets. In: S. A. Wich, S. S. U. Atmoko, T. M. Setia, and C. P. van Schaik (eds) Geographic variation in behavioral ecology and conservation. Oxford, Oxford University Press. Pages: 135-156. [Available at: https://doi.org/10.1093/acprof:oso/9780199213276.001.0001]
Suggested Citation

Rebecca Haywood. (2020) "Ape 98 from Asia/Borneo/Tanjung Putting National Park, Central Kalimantan, Borneo". In Database of non-human primate dietary studies. Rebecca Haywood (Ed). Released: 2020-08-21. Open Context. <https://opencontext.org/subjects/ea7dbe03-b2ca-4754-a0d1-eb654e0a9d0c> ARK (Archive): https://n2t.net/ark:/28722/k2sq97p46

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