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Social restructuring during harsh environmental conditions promotes cooperative behaviour in a songbird

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2024

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Camerlenghi, Ettore
Nolazco, Sergio
Magrath, Robert D.
Peters, Anne

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Swiss National Science Foundation: PCEFP3_187058
European Union (EU): 850859

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Proceedings of the Royal Society of London, Series B : Biological Sciences. Royal Society of London. 2024, 291(2021), 20232427. ISSN 0962-8452. eISSN 1471-2954. Verfügbar unter: doi: 10.1098/rspb.2023.2427

Zusammenfassung

Cooperation may emerge from intrinsic factors such as social structure and extrinsic factors such as environmental conditions. Although these factors might reinforce or counteract each other, their interaction remains unexplored in animal populations. Studies on multilevel societies suggest a link between social structure, environmental conditions and individual investment in cooperative behaviours. These societies exhibit flexible social configurations, with stable groups that overlap and associate hierarchically. Structure can be seasonal, with upper-level units appearing only during specific seasons, and lower-level units persisting year-round. This offers an opportunity to investigate how cooperation relates to social structure and environmental conditions. Here, we study the seasonal multilevel society of superb fairy-wrens (Malurus cyaneus), observing individual responses to experimental playback of conspecific distress calls. Individuals engaged more in helping behaviour and less in aggressive/territorial song during the harsher non-breeding season compared to the breeding season. The increase in cooperation was greater for breeding group members than for members of the same community, the upper social unit, comprised of distinct breeding groups in association. Results suggest that the interaction between social structure and environmental conditions drives the seasonal switch in cooperation, supporting the hypothesis that multilevel societies can emerge to increase cooperation during harsh environmental conditions.

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570 Biowissenschaften, Biologie

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ISO 690CAMERLENGHI, Ettore, Sergio NOLAZCO, Damien R. FARINE, Robert D. MAGRATH, Anne PETERS, 2024. Social restructuring during harsh environmental conditions promotes cooperative behaviour in a songbird. In: Proceedings of the Royal Society of London, Series B : Biological Sciences. Royal Society of London. 2024, 291(2021), 20232427. ISSN 0962-8452. eISSN 1471-2954. Verfügbar unter: doi: 10.1098/rspb.2023.2427
BibTex
@article{Camerlenghi2024Socia-69809,
  year={2024},
  doi={10.1098/rspb.2023.2427},
  title={Social restructuring during harsh environmental conditions promotes cooperative behaviour in a songbird},
  number={2021},
  volume={291},
  issn={0962-8452},
  journal={Proceedings of the Royal Society of London, Series B : Biological Sciences},
  author={Camerlenghi, Ettore and Nolazco, Sergio and Farine, Damien R. and Magrath, Robert D. and Peters, Anne},
  note={Article Number: 20232427}
}
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