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Descriptive Attribute Value(s)
Grouping Ape
Observation Number (Open Context) 92
Subspecies Pongo pygmaeus morio
Common name Northeast Bornean orangutan
Period of study 1968 -1979
Country or Region Borneo
Method Direct observation, faecal analysis and trail remains
Wet season November - January (MacKinnon 1974)
Dry season March, June - July (least rainfall occurs in these months) (MacKinnon 1974)
Environment Mixed dipterocarp
Altitude (m) 150 - 600 (Russon et al 2009)
% Fruit 51.5
% Leaves 35.6
% Invertebrates 2.1
% Bark and cambium 11.2
Fruit availability peak June - December (MacKinnon 1974)
Low fruit availability December - June (MacKinnon 1974)
Percentages Based on time spent feeding
Notes Data taken from Table 8.2. Leaves category includes flowers.
Reference Morrogh-Bernard et al., 2009
Scanning method Focal animal sampling (follow the link on page 121). Data collected instantaneously at intervals from 1-5 minutes, or continuously over 12 hours.
Full Reference
Morrogh-Bernard, H. C., Husson, S. K., Knott, C. D., Wich, S. A., van Schaik, C. P., van Noordwijk, M. A., Lackman-Ancrenaz, I., Marshall, A. J., Kanamori, T., Kuze, N. and bin Sakong R. (2009). Orangutan activity budgets and diet. 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: 119-134. [Available at: https://dx.doi.org/10.1093/acprof:oso/9780199213276.003.0008]
Suggested Citation

Rebecca Haywood. (2020) "Ape 92 from Asia/Borneo/Ulu Segama Reserve, Sabah, Borneo". In Database of non-human primate dietary studies. Rebecca Haywood (Ed). Released: 2020-08-21. Open Context. <https://opencontext.org/subjects/3003ecdd-5e76-463d-8f29-1671f7701e28> ARK (Archive): https://n2t.net/ark:/28722/k2183n74r

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