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Individuality in male songs of wild black crested gibbons (Nomascus concolor)


Sun, G Z; Huang, B; Guan, Z H; Geissmann, T; Jiang, X L (2011). Individuality in male songs of wild black crested gibbons (Nomascus concolor). American Journal of Primatology, 73(5):431-438.

Abstract

This is the first study of vocal individuality in male songs of black crested gibbons. The sound
recordings were carried out at two field sites, Pinghe, Ailao Mountains, and Dazhaizi, Wuliang
Mountains, both located in Yunnan province, China. A total of 127 coda phrases of 38 male songs bouts
of eight individual male gibbons were analyzed. Stepwise discriminant function analysis was used to
examine the acoustic individuality of the males. We found that individuality among neighbors was very
pronounced. Moreover, individuality within a site (i.e. among neighbors) is higher than among
individuals between sites. Our finding suggests that black crested gibbons may actively increase their
degree of vocal individuality against that of their immediate neighbors by vocal adjustment.

Abstract

This is the first study of vocal individuality in male songs of black crested gibbons. The sound
recordings were carried out at two field sites, Pinghe, Ailao Mountains, and Dazhaizi, Wuliang
Mountains, both located in Yunnan province, China. A total of 127 coda phrases of 38 male songs bouts
of eight individual male gibbons were analyzed. Stepwise discriminant function analysis was used to
examine the acoustic individuality of the males. We found that individuality among neighbors was very
pronounced. Moreover, individuality within a site (i.e. among neighbors) is higher than among
individuals between sites. Our finding suggests that black crested gibbons may actively increase their
degree of vocal individuality against that of their immediate neighbors by vocal adjustment.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Anthropology
Dewey Decimal Classification:300 Social sciences, sociology & anthropology
Language:English
Date:2011
Deposited On:09 Mar 2012 15:36
Last Modified:07 Dec 2017 12:24
Publisher:Wiley-Blackwell
ISSN:0275-2565
Publisher DOI:https://doi.org/10.1002/ajp.20917

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