2021
DOI: 10.1007/s00265-021-03025-0
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Strongly bonded individuals prefer to forage together in cooperatively breeding dwarf mongoose groups

Abstract: In many social species, group members form strong social bonds. Such strong bonds are well-known to generate long-term fitness benefits, but they are also expected to influence short-term behavioral decisions. Here we use field observations and an experimental manipulation to investigate whether variation in social-bond strength (as determined from grooming interactions) influences nearest-neighbor choices while foraging in wild dwarf mongooses (Helogale parvula). Preferred grooming partnerships (PGPs), repres… Show more

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Cited by 13 publications
(10 citation statements)
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“…First, all subordinates might be wary of the aggressor and so potentially reduce their grooming with that individual, whereas perhaps only those who are strongly bonded to the target might engage in extra grooming with it ( Fraser et al, 2009 ; Fraser et al, 2008 ); any such target-related effect might be diluted by considering all subordinates in analyses. Strong within-group relationships are apparent in dwarf mongoose groups ( Kern and Radford, 2021 ; Kern and Radford, 2016 ), but we do not have the power in this study to consider how relationship quality influences delayed post-conflict grooming. Alternatively, there could be selective attention towards high-ranking individuals ( Chance, 1967 ): there may be higher selective pressure to discriminate vocalisations from dominant individuals cf those from other subordinates if the former are more important in terms of social relationships and status.…”
Section: Discussionmentioning
confidence: 99%
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“…First, all subordinates might be wary of the aggressor and so potentially reduce their grooming with that individual, whereas perhaps only those who are strongly bonded to the target might engage in extra grooming with it ( Fraser et al, 2009 ; Fraser et al, 2008 ); any such target-related effect might be diluted by considering all subordinates in analyses. Strong within-group relationships are apparent in dwarf mongoose groups ( Kern and Radford, 2021 ; Kern and Radford, 2016 ), but we do not have the power in this study to consider how relationship quality influences delayed post-conflict grooming. Alternatively, there could be selective attention towards high-ranking individuals ( Chance, 1967 ): there may be higher selective pressure to discriminate vocalisations from dominant individuals cf those from other subordinates if the former are more important in terms of social relationships and status.…”
Section: Discussionmentioning
confidence: 99%
“…Our results support previous research showing that within-group conflict can affect interactions beyond those between the protagonists and highlight that bystanders can employ different conflict-management strategies depending on the identity of the group members involved. Disagreements between two individuals can thus have wide-reaching and varied implications for affiliative behaviour, which underpins dyadic relationships and social structure in dwarf mongooses ( Kern and Radford, 2021 ; Kern and Radford, 2018 ) and many other group-living species ( Cameron et al, 2009 ; Radford and Du Plessis, 2006 ; Silk et al, 2009 ).…”
Section: Discussionmentioning
confidence: 99%
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“…The ecological and physiological conditions structuring P. hastatus social groups may be similar to groups of unrelated females in wild equids (Cameron, Setsaas, & Linklater, 2009) and cooperative breeding birds (Riehl & Strong, 2018). Close rest while foraging, rather than feeding together, may be one way for the bats to reinforce their social bonds since P. hastatus has not been observed to engage in the extended grooming that characterizes social bond maintenance in other mammals (Kern & Radford, 2021; Silk et al, 2003; Wilkinson, 1986), or to potentially guard against predation.…”
Section: Discussionmentioning
confidence: 99%
“…Throughout the day, dwarf mongooses make constant decisions relating to foraging (e.g. how much time to spend foraging and how close to forage to groupmates [ 50 ]) and vigilance (e.g. whether to act as a sentinel [ 51 ]).…”
Section: Methodsmentioning
confidence: 99%