Macrogeographical variability in the great call of Hylobates agilis: assessing the applicability of vocal analysis in studies of fine-scale taxonomy of gibbons

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Macrogeographical variability in the great call of Hylobates agilis: assessing the applicability of vocal analysis in studies of fine-scale taxonomy of gibbons. / Heller, R; Pedersen, Adam Frederik Sander; Wang, Christian William; Usman, F; Dabelsteen, T.

In: American Journal of Primatology, Vol. 72, No. 2, 2010, p. 142-51.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Heller, R, Pedersen, AFS, Wang, CW, Usman, F & Dabelsteen, T 2010, 'Macrogeographical variability in the great call of Hylobates agilis: assessing the applicability of vocal analysis in studies of fine-scale taxonomy of gibbons', American Journal of Primatology, vol. 72, no. 2, pp. 142-51. https://doi.org/10.1002/ajp.20762

APA

Heller, R., Pedersen, A. F. S., Wang, C. W., Usman, F., & Dabelsteen, T. (2010). Macrogeographical variability in the great call of Hylobates agilis: assessing the applicability of vocal analysis in studies of fine-scale taxonomy of gibbons. American Journal of Primatology, 72(2), 142-51. https://doi.org/10.1002/ajp.20762

Vancouver

Heller R, Pedersen AFS, Wang CW, Usman F, Dabelsteen T. Macrogeographical variability in the great call of Hylobates agilis: assessing the applicability of vocal analysis in studies of fine-scale taxonomy of gibbons. American Journal of Primatology. 2010;72(2):142-51. https://doi.org/10.1002/ajp.20762

Author

Heller, R ; Pedersen, Adam Frederik Sander ; Wang, Christian William ; Usman, F ; Dabelsteen, T. / Macrogeographical variability in the great call of Hylobates agilis: assessing the applicability of vocal analysis in studies of fine-scale taxonomy of gibbons. In: American Journal of Primatology. 2010 ; Vol. 72, No. 2. pp. 142-51.

Bibtex

@article{bcf3b340fe9a11de825d000ea68e967b,
title = "Macrogeographical variability in the great call of Hylobates agilis: assessing the applicability of vocal analysis in studies of fine-scale taxonomy of gibbons",
abstract = "Vocal characteristics have been used extensively to distinguish different taxonomic units of gibbons (family Hylobatidae). The agile gibbon (Hylobates agilis) has a disjunct distribution range in the Southeast Asian archipelago (remnants of the former Sunda landmass), and populations on different islands are currently recognized as distinct subspecies or even species. We recorded great calls from female agile gibbons from two populations on Sumatra and two populations on Borneo and examined the vocal variability on four levels: within-individuals, between-individuals, between-populations and between-islands. The primary objective was to evaluate the effect of geographical isolation on variability in song pattern and to test whether proposed island-specific song characteristics exist, reflecting evolutionary divergence between Sumatran and Bornean agile gibbons. One hundred great calls were recorded from 20 females and analyzed for 18 spectral and temporal acoustic parameters. Principal component analysis followed by a nested ANOVA on components revealed a complex pattern of song variability not likely to reflect taxonomic or evolutionary relationship. We found no evidence that Sumatran and Bornean agile gibbons have evolved different vocal characteristics, refuting a distinction between them based on vocal characteristics. A high level of plasticity was found in great calls from the same individual, and generally the inferred pattern of variability suggested that ecological or social factors may confound any genetically based island dialects.",
keywords = "Faculty of Science, hylobates agilis, macrogeographical variability, great call, taxonomy",
author = "R Heller and Pedersen, {Adam Frederik Sander} and Wang, {Christian William} and F Usman and T Dabelsteen",
year = "2010",
doi = "10.1002/ajp.20762",
language = "English",
volume = "72",
pages = "142--51",
journal = "American Journal of Primatology",
issn = "0275-2565",
publisher = "Wiley",
number = "2",

}

RIS

TY - JOUR

T1 - Macrogeographical variability in the great call of Hylobates agilis: assessing the applicability of vocal analysis in studies of fine-scale taxonomy of gibbons

AU - Heller, R

AU - Pedersen, Adam Frederik Sander

AU - Wang, Christian William

AU - Usman, F

AU - Dabelsteen, T

PY - 2010

Y1 - 2010

N2 - Vocal characteristics have been used extensively to distinguish different taxonomic units of gibbons (family Hylobatidae). The agile gibbon (Hylobates agilis) has a disjunct distribution range in the Southeast Asian archipelago (remnants of the former Sunda landmass), and populations on different islands are currently recognized as distinct subspecies or even species. We recorded great calls from female agile gibbons from two populations on Sumatra and two populations on Borneo and examined the vocal variability on four levels: within-individuals, between-individuals, between-populations and between-islands. The primary objective was to evaluate the effect of geographical isolation on variability in song pattern and to test whether proposed island-specific song characteristics exist, reflecting evolutionary divergence between Sumatran and Bornean agile gibbons. One hundred great calls were recorded from 20 females and analyzed for 18 spectral and temporal acoustic parameters. Principal component analysis followed by a nested ANOVA on components revealed a complex pattern of song variability not likely to reflect taxonomic or evolutionary relationship. We found no evidence that Sumatran and Bornean agile gibbons have evolved different vocal characteristics, refuting a distinction between them based on vocal characteristics. A high level of plasticity was found in great calls from the same individual, and generally the inferred pattern of variability suggested that ecological or social factors may confound any genetically based island dialects.

AB - Vocal characteristics have been used extensively to distinguish different taxonomic units of gibbons (family Hylobatidae). The agile gibbon (Hylobates agilis) has a disjunct distribution range in the Southeast Asian archipelago (remnants of the former Sunda landmass), and populations on different islands are currently recognized as distinct subspecies or even species. We recorded great calls from female agile gibbons from two populations on Sumatra and two populations on Borneo and examined the vocal variability on four levels: within-individuals, between-individuals, between-populations and between-islands. The primary objective was to evaluate the effect of geographical isolation on variability in song pattern and to test whether proposed island-specific song characteristics exist, reflecting evolutionary divergence between Sumatran and Bornean agile gibbons. One hundred great calls were recorded from 20 females and analyzed for 18 spectral and temporal acoustic parameters. Principal component analysis followed by a nested ANOVA on components revealed a complex pattern of song variability not likely to reflect taxonomic or evolutionary relationship. We found no evidence that Sumatran and Bornean agile gibbons have evolved different vocal characteristics, refuting a distinction between them based on vocal characteristics. A high level of plasticity was found in great calls from the same individual, and generally the inferred pattern of variability suggested that ecological or social factors may confound any genetically based island dialects.

KW - Faculty of Science

KW - hylobates agilis

KW - macrogeographical variability

KW - great call

KW - taxonomy

U2 - 10.1002/ajp.20762

DO - 10.1002/ajp.20762

M3 - Journal article

C2 - 19937738

VL - 72

SP - 142

EP - 151

JO - American Journal of Primatology

JF - American Journal of Primatology

SN - 0275-2565

IS - 2

ER -

ID: 16888265