Taxon-Specific Pair Bonding in Gibbons (Hylobatidae) / / written by Thomas Geissmann [and three others].
This study provides the first statistically significant evidence that the mechanisms of how pair bonds are created or maintained differ between gibbon taxa. We examine the pair bond in captive pairs of three genera of gibbons (Hylobatidae): siamangs (Symphalangus, N = 17 pairs), crested gibbons (Nom...
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Place / Publishing House: | London : : IntechOpen,, 2020. |
Year of Publication: | 2020 |
Language: | English |
Physical Description: | 1 online resource (326 pages) |
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245 | 1 | 0 | |a Taxon-Specific Pair Bonding in Gibbons (Hylobatidae) / |c written by Thomas Geissmann [and three others]. |
246 | |a Taxon-Specific Pair Bonding in Gibbons | ||
264 | 1 | |a London : |b IntechOpen, |c 2020. | |
300 | |a 1 online resource (326 pages) | ||
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338 | |a online resource |b cr |2 rdacarrier | ||
588 | |a Description based on: online resource; title from PDF information screen (IntechOpen, viewed March 23, 2023). | ||
520 | |a This study provides the first statistically significant evidence that the mechanisms of how pair bonds are created or maintained differ between gibbon taxa. We examine the pair bond in captive pairs of three genera of gibbons (Hylobatidae): siamangs (Symphalangus, N = 17 pairs), crested gibbons (Nomascus, N = 7 pairs), and pileated gibbons (Hylobates pileatus, N = 9 pairs). In the first part of this study, we determine three generally-accepted indicators of pair-bond strength (mutual grooming, behavioral synchronization and partner distance). A pairwise comparison of our samples reveals a difference in relative partner distances between siamangs and pileated gibbons, suggesting that siamangs may have a stronger pair bond than pileated gibbons. No difference among the three taxa was found in other variables believed to indicate pair bond strength. In the second part we examine the amount of partner-directed grooming in each sex. In siamangs, males invest significantly more into pair bonds than females, whereas the opposite is true in crested and pileated gibbons. Our results for siamangs correspond to predictions derived from the 'mate-defense hypothesis' for the evolution of pair bonds, whereas our results for crested gibbons and pileated gibbons correspond to predictions derived from the 'male-services hypothesis'. | ||
505 | 0 | |a 1. Introduction -- 2. Methods -- 3. Results -- 3.1 Strength of pair bonds -- 3.1.1 Synchronization of behavioral variables -- 3.1.2 Relative partner-distance -- 3.1.3 Allogrooming -- 3.2 Mechanism of pair bonds -- 4. Discussion -- 4.1 Pair bond strength -- 4.2 Pair bond maintenance -- 5. Conclusions -- Acknowledgments -- Conflict of interest -- References. | |
650 | 0 | |a Gibbons. | |
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