Sharon E. Kessler
Modeling the origins of mammalian sociality: moderate evidence for matrilineal signatures in mouse lemur vocalizations
Kessler, Sharon E.; Radespiel, Ute; Hasiniaina, Alida I.F.; Leliveld, Lisette M.C.; Nash, Leanne T.; Zimmermann, Elke
Authors
Ute Radespiel
Alida I.F. Hasiniaina
Lisette M.C. Leliveld
Leanne T. Nash
Elke Zimmermann
Abstract
Introduction Maternal kin selection is a driving force in the evolution of mammalian social complexity and it requires that kin are distinctive from nonkin. The transition from the ancestral state of asociality to the derived state of complex social groups is thought to have occurred via solitary foraging, in which individuals forage alone, but, unlike the asocial ancestors, maintain dispersed social networks via scent-marks and vocalizations. We hypothesize that matrilineal signatures in vocalizations were an important part of these networks. We used the solitary foraging gray mouse lemur (Microcebus murinus) as a model for ancestral solitary foragers and tested for matrilineal signatures in their calls, thus investigating whether such signatures are already present in solitary foragers and could have facilitated the kin selection thought to have driven the evolution of increased social complexity in mammals. Because agonism can be very costly, selection for matrilineal signatures in agonistic calls should help reduce agonism between unfamiliar matrilineal kin. We conducted this study on a well-studied population of wild mouse lemurs at Ankarafantsika National Park, Madagascar. We determined pairwise relatedness using seven microsatellite loci, matrilineal relatedness by sequencing the mitrochondrial D-loop, and sleeping group associations using radio-telemetry. We recorded agonistic calls during controlled social encounters and conducted a multi-parametric acoustic analysis to determine the spectral and temporal structure of the agonistic calls. We measured 10 calls for each of 16 females from six different matrilineal kin groups. Results Calls were assigned to their matriline at a rate significantly higher than chance (pDFA: correct = 47.1%, chance = 26.7%, p = 0.03). There was a statistical trend for a negative correlation between acoustic distance and relatedness (Mantel Test: g = -1.61, Z = 4.61, r = -0.13, p = 0.058). Conclusions Mouse lemur agonistic calls are moderately distinctive by matriline. Because sleeping groups consisted of close maternal kin, both genetics and social learning may have generated these acoustic signatures. As mouse lemurs are models for solitary foragers, we recommend further studies testing whether the lemurs use these calls to recognize kin. This would enable further modeling of how kin recognition in ancestral species could have shaped the evolution of complex sociality.
Citation
Kessler, S. E., Radespiel, U., Hasiniaina, A. I., Leliveld, L. M., Nash, L. T., & Zimmermann, E. (2014). Modeling the origins of mammalian sociality: moderate evidence for matrilineal signatures in mouse lemur vocalizations. Frontiers in Zoology, 11(1), Article 14. https://doi.org/10.1186/1742-9994-11-14
Journal Article Type | Article |
---|---|
Acceptance Date | Feb 11, 2014 |
Online Publication Date | Feb 20, 2014 |
Publication Date | Feb 20, 2014 |
Deposit Date | Jul 16, 2018 |
Publicly Available Date | Jul 17, 2018 |
Journal | Frontiers in Zoology |
Publisher | BioMed Central |
Peer Reviewed | Peer Reviewed |
Volume | 11 |
Issue | 1 |
Article Number | 14 |
DOI | https://doi.org/10.1186/1742-9994-11-14 |
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Copyright Statement
© Kessler et al.; licensee BioMed Central Ltd. 2014
This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
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