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Behavioural synchronization in a multilevel society of feral horses

View ORCID ProfileTamao Maeda, View ORCID ProfileCédric Sueur, View ORCID ProfileSatoshi Hirata, View ORCID ProfileShinya Yamamoto
doi: https://doi.org/10.1101/2021.02.21.432190
Tamao Maeda
1Wildlife Research Centre, Kyoto University
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  • For correspondence: tamao@powarch.com
Cédric Sueur
2Institut Pluridisciplinaire Hubert Curien, Université de Strasbourg, CNRS
3Institut Universitaire de France, Paris
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Satoshi Hirata
1Wildlife Research Centre, Kyoto University
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Shinya Yamamoto
4Institute of Advanced Study, Kyoto University
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SUMMARY

Behavioural synchrony among individuals is essential for group-living organisms to maintain their cohesiveness necessary to get information and against predation. It is still largely unknown how synchronization functions in a multilevel society, a nested assemblage of multiple social levels between many individuals. Our aim was to build a model to explain the synchronization of activity in a multilevel society of feral horses. We used multi-agent based models based on four hypotheses: A) independent model: horses do not synchronize, B) anonymous model: horses synchronize with any individual in any unit, C) unit-level social model: horses synchronize only within units and D) herd-level social model: horses synchronize across and within units, but internal synchronization is stronger. We simulated each model 100 times and compared simulations to the empirical data obtained from drone observations. The hypothesis D best supported empirical data. This result suggests that synchronization occurred at an intra- and inter-unit level.

Competing Interest Statement

The authors have declared no competing interest.

Footnotes

  • https://doi.org/10.5061/dryad.c866t1g3b

Copyright 
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license.
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Posted February 22, 2021.
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Behavioural synchronization in a multilevel society of feral horses
Tamao Maeda, Cédric Sueur, Satoshi Hirata, Shinya Yamamoto
bioRxiv 2021.02.21.432190; doi: https://doi.org/10.1101/2021.02.21.432190
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Behavioural synchronization in a multilevel society of feral horses
Tamao Maeda, Cédric Sueur, Satoshi Hirata, Shinya Yamamoto
bioRxiv 2021.02.21.432190; doi: https://doi.org/10.1101/2021.02.21.432190

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