Dynamics of male African elephant character durability across time and social contexts

O'Connell-Rodwell, Caitlin E; Berezin, Jodie L; Kinzley, Colleen; Freeman, Patrick T; Sandri, Monica N; Kieschnick, Dustin; Rodwell, Timothy C; Abarca, Mariana; Hayssen, Virginia

doi:10.1101/2024.05.24.595367

Cited by 2 publications

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References 72 publications

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“…Keystone individual (the most socially integrated and dominant individual in a population) identification using social network and dominance hierarchy analyses was described recently (O’Connell-Rodwell et al 2024) and will be summarized in brief. For the social network analysis, we constructed association networks based on co-presence at the waterhole during field seasons.…”

Section: Methodsmentioning

confidence: 99%

The use of vocal coordination in male African elephant group departures: evidence of active leadership and consensus

O’Connell-Rodwell,

Berezin,

Pignatelli

et al. 2024

Preprint

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Group-living animals engage in coordinated vocalizations to depart from a location as a group, and often, to come to a consensus about the direction of movement. Here, we document for the first time, the use of coordinated vocalizations, the “let’s go” rumble, in wild male African elephant group departures from a waterhole. We recorded vocalizations and collected behavioral data as known individuals engaged in these vocal bouts during June-July field seasons in 2005, 2007, 2011, and 2017 at Mushara waterhole within Etosha National Park, Namibia. During departure events, we documented which individuals were involved in the calls, the signature structure of each individual’s calls, as well as the ordering of callers, the social status of the callers, and those who initiated departure. The “let’s go” rumble was previously described in tight-knit family groups to keep the family together during coordinated departures. Male elephants are described as living in loose social groups, making this finding particularly striking. We found that this vocal coordination occurs in groups of closely associated, highly bonded individuals and rarely occurs between looser associates. The three individuals most likely to initiate the “let’s go” rumble bouts were all highly socially integrated, and one of these individuals was also the most dominant overall. This suggests that more socially integrated individuals might be more likely to initiate, or lead, a close group of associates in the context of leaving the waterhole, just as a dominant female would do in a family group. The fact that many individuals were often involved in the vocal bouts, and that departure periods could be shorter, longer, or the same amount of time as pre-departure periods, all suggest that there is consensus with regard to the act of leaving, even though the event was triggered by a lead individual.

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Section: Methodsmentioning

confidence: 99%

The use of vocal coordination in male African elephant group departures: evidence of active leadership and consensus

O’Connell-Rodwell,

Berezin,

Pignatelli

et al. 2024

Preprint

Self Cite

View full text Add to dashboard Cite

show abstract

“…Keystone individual (the most socially integrated and dominant individual in a population) identification using social network and dominance hierarchy analyses was described recently; portions of this text were previously published as part of a preprint ( O’Connell-Rodwell et al, 2024a ; O’Connell-Rodwell et al, 2024b ) and will be summarized in brief. For the social network analysis, we constructed association networks based on co-presence at the waterhole during field seasons.…”

Section: Methodsmentioning

confidence: 99%

The use of vocal coordination in male African elephant group departures: evidence of active leadership and consensus

O’Connell-Rodwell,

Berezin,

Pignatelli

et al. 2024

PeerJ

View full text Add to dashboard Cite

Group-living animals engage in coordinated vocalizations to depart from a location as a group, and often, to come to a consensus about the direction of movement. Here, we document for the first time, the use of coordinated vocalizations, the “let’s go” rumble, in wild male African elephant group departures from a waterhole. We recorded vocalizations and collected behavioral data as known individuals engaged in these vocal bouts during June-July field seasons in 2005, 2007, 2011, and 2017 at Mushara waterhole within Etosha National Park, Namibia. During departure events, we documented which individuals were involved in the calls, the signature structure of each individual’s calls, as well as the ordering of callers, the social status of the callers, and those who initiated departure. The “let’s go” rumble was previously described in tight-knit family groups to keep the family together during coordinated departures. Male elephants are described as living in loose social groups, making this finding particularly striking. We found that this vocal coordination occurs in groups of closely associated, highly bonded individuals and rarely occurs between looser associates. The three individuals most likely to initiate the “let’s go” rumble bouts were all highly socially integrated, and one of these individuals was also the most dominant overall. This finding suggests that more socially integrated individuals might be more likely to initiate, or lead, a close group of associates in the context of leaving the waterhole, just as a high-ranking female would do in a family group. The fact that many individuals were involved in the vocal bouts, and that departure periods could be shorter, longer, or the same amount of time as pre-departure periods, all suggest that there is consensus with regard to the act of leaving, even though the event was triggered by a lead individual.

show abstract

Dynamics of male African elephant character durability across time and social contexts

Cited by 2 publications

References 72 publications

The use of vocal coordination in male African elephant group departures: evidence of active leadership and consensus

The use of vocal coordination in male African elephant group departures: evidence of active leadership and consensus

The use of vocal coordination in male African elephant group departures: evidence of active leadership and consensus

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