India A. Schneider-Crease
Stronger maternal social bonds and higher rank are associated with accelerated infant maturation in Kinda baboons
Schneider-Crease, India A.; Weyher, Anna H.; Mubemba, Benjamin; Kamilar, Jason M.; Petersdorf, Megan; Chiou, Kenneth L.
Authors
Anna H. Weyher
Benjamin Mubemba
Jason M. Kamilar
Dr Megan Petersdorf megan.d.petersdorf@durham.ac.uk
Summer School Academic (Casual)
Kenneth L. Chiou
Abstract
Social relationships are critical components of health and fitness for humans and other animals. For female-philopatric species, affiliative relationships among females (kin and nonkin alike) can influence components of fitness that include individual survival, interbirth interval and offspring survival. Affiliative relationships with males have attracted somewhat less attention, with most studies focusing on female–male relationships as adaptations for infanticide avoidance. Here, we use 8 years of behavioural data on Kinda baboons, Papio kindae, to assess whether maternal social relationships—both among females and between females and males—affect infant survival, interbirth interval and the pace of infant development. Kinda baboons are an ideal system for these analyses because males and females form strong relationships outside of the periovulatory period and in the absence of obvious infanticide threat. We calculated social metrics that reflected dominance status, total social integration and social bond strength and paired these metrics with data on offspring survival, interbirth interval (IBI) duration and infant behavioural maturation. Neither dominance rank nor sociality had a significant effect on interbirth interval or survival, but higher rank and the stronger affiliative relationships between a female and her top female and top male social partners predicted more rapid infant behavioural maturation. These results suggest that maternal dominance and sociality may confer advantages related to infant development and independence that ultimately may permit females to more quickly invest in subsequent offspring and point to advantages of relationships with males outside of lowering infanticide threat.
Citation
Schneider-Crease, I. A., Weyher, A. H., Mubemba, B., Kamilar, J. M., Petersdorf, M., & Chiou, K. L. (2022). Stronger maternal social bonds and higher rank are associated with accelerated infant maturation in Kinda baboons. Animal Behaviour, 189, 47-57. https://doi.org/10.1016/j.anbehav.2022.04.011
Journal Article Type | Article |
---|---|
Acceptance Date | Feb 14, 2022 |
Online Publication Date | May 17, 2022 |
Publication Date | 2022-07 |
Deposit Date | Aug 26, 2022 |
Publicly Available Date | May 17, 2023 |
Journal | Animal Behaviour |
Print ISSN | 0003-3472 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 189 |
Pages | 47-57 |
DOI | https://doi.org/10.1016/j.anbehav.2022.04.011 |
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© 2022. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/
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