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All Journal Biodiversitas Journal of Biological Diversity
JITO SUGARDJITO
Zoology Division, Research Center for Biology, Indonesian Institute of Sciences (LIPI), Cibinong-Bogor 16911
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Characterizing Social Interactions and Grouping Patterns of Sumatran Orangutans (Pongo abelii) in the Gunung Leuser National Park, Sumatra JITO SUGARDJITO
Biodiversitas Journal of Biological Diversity Vol. 10 No. 2 (2009)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d100207

Abstract

The character of social interactions and grouping patterns of Sumatran orangutans (Pongo abelii) have been studied in Ketambe research station of the Gunung Leuser National Park, Sumatra. A total number of 141 groupings and 47 incidences of interactive behavior were observed during the course of study. The character of groups (feeding group or travel-band) and the type of food trees (fig tree or fruit tree) appear to influence the interactive behavior of individual orangutans. Intolerance behavior has been characterized by feeding group in large fig trees, whereas tolerance and sexual behavior were shown mostly in travel-band.Key words: feeding group, travel-band, social interaction, Sumatran orangutan, Pongo abelii.
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