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Geographical variation in orangutan long calls

Roberto A. Delgado, Adriano R. Lameira, Marina Davila Ross, Simon J. Husson, Helen C. Morrogh-Bernard, and Serge A. Wich

in Orangutans: Geographic Variation in Behavioral Ecology and Conservation

Published in print:
2008
Published Online:
May 2009
ISBN:
9780199213276
eISBN:
9780191707568
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199213276.003.0014
Subject:
Biology, Animal Biology, Biodiversity / Conservation Biology

Information on geographic variation in vocal signalling is important because it complements data used to infer phylogenetic relationships, has the potential to help understand call development, and ... More


Social organization and male–female relationships

Tatang Mitra Setia, Roberto A. Delgado, S. Suci Utami Atmoko, Ian Singleton, and Carel P. van Schaik

in Orangutans: Geographic Variation in Behavioral Ecology and Conservation

Published in print:
2008
Published Online:
May 2009
ISBN:
9780199213276
eISBN:
9780191707568
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199213276.003.0017
Subject:
Biology, Animal Biology, Biodiversity / Conservation Biology

Despite their semi-solitary nature, associations among orangutans are more common than expected by chance for most combinations of age-sex classes. Variation in party size is due to variation in food ... More


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