Alliance membership and kinship in wild male bottlenose dolphins (Tursiops aduncus) of southeastern Australia

Proceedings. Biological Sciences
Luciana M MöllerMichael Krützen

Abstract

Bottlenose dolphins are one of only a few mammalian taxa where the males are known to cooperate within their social group in order to maintain mating access to single females against other males. Male bonds in bottlenose dolphins have been hypothesized as evolving through kinship and associated inclusive fitness effects. In this study we tested whether individually identified male bottlenose dolphins preferentially associate and form alliances with kin in a small coastal resident population of southeastern Australia using a combination of behavioural data, genetic sexing, sequences of the mitochondrial DNA control region and nuclear microsatellite markers. Males generally associated significantly more often than expected with one to three other males, with whom they jointly herded females for mating. Associations and alliance membership were not associated with either maternal kinship or genetic relatedness. The majority of male pairs within alliances were randomly related, although high relatedness values were found between males of different alliances in the resident population. These findings indicate that mechanisms other than kin selection may be foremost in the development and maintenance of cooperation between male bottl...Continue Reading

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Citations

Mar 19, 2003·Proceedings. Biological Sciences·Michael KrützenRobert Brooks
Sep 3, 2010·Proceedings. Biological Sciences·Martin SurbeckGottfried Hohmann
Mar 22, 2013·PloS One·Jennifer S LewisMichael Krützen
Jun 1, 2003·Human Nature : an Interdisciplinary Biosocial Perspective·Michael S Alvard
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May 14, 2004·Molecular Ecology·Luciana M Möller, Luciano B Beheregaray
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Jan 4, 2012·Molecular Ecology·Luciana M Möller
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May 20, 2016·Animal Cognition·Kira A Cassidy, Richard T McIntyre
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Feb 8, 2018·Royal Society Open Science·Shintaro IshizukaTakeshi Furuichi
Jul 21, 2020·Molecular Ecology·Delphine De MoorOliver Schülke
Apr 13, 2018·Proceedings. Biological Sciences·Christina Riehl, Meghan J Strong
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Jan 9, 2019·Ecology and Evolution·Rodrigo C GenovesEduardo R Secchi
Mar 27, 2020·Behavioral Ecology : Official Journal of the International Society for Behavioral Ecology·Livia GerberMichael Krützen
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Mar 18, 2021·Animal Cognition·Mathilde LalotDalila Bovet
Mar 27, 2021·Scientific Reports·Livia GerberMichael Krützen

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