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Male–male social bonding, coalitionary support and reproductive success in wild Guinea baboons

Male–male bonds may confer substantial fitness benefits. The adaptive value of these relationships is often attributed to coalitionary support, which aids in rank ascension and female defence, ultimately resulting in greater reproductive success. We investigated the link between male–male sociality...

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Detalles Bibliográficos
Autores principales: Dal Pesco, Federica, Trede, Franziska, Zinner, Dietmar, Fischer, Julia
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Royal Society 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9130795/
https://www.ncbi.nlm.nih.gov/pubmed/35611539
http://dx.doi.org/10.1098/rspb.2022.0347
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author Dal Pesco, Federica
Trede, Franziska
Zinner, Dietmar
Fischer, Julia
author_facet Dal Pesco, Federica
Trede, Franziska
Zinner, Dietmar
Fischer, Julia
author_sort Dal Pesco, Federica
collection PubMed
description Male–male bonds may confer substantial fitness benefits. The adaptive value of these relationships is often attributed to coalitionary support, which aids in rank ascension and female defence, ultimately resulting in greater reproductive success. We investigated the link between male–male sociality and both coalitionary support and reproductive success in wild Guinea baboons. This species lives in a tolerant multi-level society with reproductive units comprising a male and 1–6 females at the core. Males are philopatric, form differentiated, stable and equitable affiliative relationships (strong bonds) with other males, and lack a clear rank hierarchy. Here, we analysed behavioural and paternity data for 30 males and 50 infants collected over 4 years in the Niokolo-Koba National Park, Senegal. Strongly bonded males supported each other more frequently during conflicts, but strong bonds did not promote reproductive success. Instead, males that spent less time socializing with other males were associated with a higher number of females and sired more offspring. Notably, reproductively active males still maintained bonds with other males, but adjusted their social investment in relation to life-history stage. Long-term data will be needed to test if the adaptive value of male bonding lies in longer male tenure and/or in promoting group cohesion.
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spelling pubmed-91307952022-05-27 Male–male social bonding, coalitionary support and reproductive success in wild Guinea baboons Dal Pesco, Federica Trede, Franziska Zinner, Dietmar Fischer, Julia Proc Biol Sci Behaviour Male–male bonds may confer substantial fitness benefits. The adaptive value of these relationships is often attributed to coalitionary support, which aids in rank ascension and female defence, ultimately resulting in greater reproductive success. We investigated the link between male–male sociality and both coalitionary support and reproductive success in wild Guinea baboons. This species lives in a tolerant multi-level society with reproductive units comprising a male and 1–6 females at the core. Males are philopatric, form differentiated, stable and equitable affiliative relationships (strong bonds) with other males, and lack a clear rank hierarchy. Here, we analysed behavioural and paternity data for 30 males and 50 infants collected over 4 years in the Niokolo-Koba National Park, Senegal. Strongly bonded males supported each other more frequently during conflicts, but strong bonds did not promote reproductive success. Instead, males that spent less time socializing with other males were associated with a higher number of females and sired more offspring. Notably, reproductively active males still maintained bonds with other males, but adjusted their social investment in relation to life-history stage. Long-term data will be needed to test if the adaptive value of male bonding lies in longer male tenure and/or in promoting group cohesion. The Royal Society 2022-05-25 2022-05-25 /pmc/articles/PMC9130795/ /pubmed/35611539 http://dx.doi.org/10.1098/rspb.2022.0347 Text en © 2022 The Authors. https://creativecommons.org/licenses/by/4.0/Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, provided the original author and source are credited.
spellingShingle Behaviour
Dal Pesco, Federica
Trede, Franziska
Zinner, Dietmar
Fischer, Julia
Male–male social bonding, coalitionary support and reproductive success in wild Guinea baboons
title Male–male social bonding, coalitionary support and reproductive success in wild Guinea baboons
title_full Male–male social bonding, coalitionary support and reproductive success in wild Guinea baboons
title_fullStr Male–male social bonding, coalitionary support and reproductive success in wild Guinea baboons
title_full_unstemmed Male–male social bonding, coalitionary support and reproductive success in wild Guinea baboons
title_short Male–male social bonding, coalitionary support and reproductive success in wild Guinea baboons
title_sort male–male social bonding, coalitionary support and reproductive success in wild guinea baboons
topic Behaviour
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9130795/
https://www.ncbi.nlm.nih.gov/pubmed/35611539
http://dx.doi.org/10.1098/rspb.2022.0347
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