Comparative Analyses Suggest That Information Transfer Promoted Sociality in Male Bats in the Temperate Zone

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2007
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Kerth, Gerald
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The American Naturalist. University of Chicago Press. 2007, 170(3), pp. 465-472. ISSN 0003-0147. eISSN 1537-5323. Available under: doi: 10.1086/520116
Zusammenfassung

The evolution of sociality is a central theme in evolutionary biology. The vast majority of bats are social, which has been explained in terms of the benefits of communal breeding. However, the causes for segregated male groups remain unknown. In a comparative study, we tested whether diet and morphological adaptations to specific foraging styles, two factors known to influence the occurrence of information transfer, can predict male sociality. Our results suggest that the species most likely to benefit from information transfer--namely, those preying on ephemeral insects and with morphological adaptations to feeding in open habitat--are more likely to form male groups. Our findings also indicate that solitary life was the ancestral state of males and sociality evolved in several lineages. Beyond their significance for explaining the existence of male groups in bats, our findings highlight the importance of information transfer in the evolution of animal sociality.

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570 Biowissenschaften, Biologie
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information center, local enhancement,group living, Chiroptera, social system, sexual segregation
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ISO 690SAFI, Kamran, Gerald KERTH, 2007. Comparative Analyses Suggest That Information Transfer Promoted Sociality in Male Bats in the Temperate Zone. In: The American Naturalist. University of Chicago Press. 2007, 170(3), pp. 465-472. ISSN 0003-0147. eISSN 1537-5323. Available under: doi: 10.1086/520116
BibTex
@article{Safi2007-09Compa-51670,
  year={2007},
  doi={10.1086/520116},
  title={Comparative Analyses Suggest That Information Transfer Promoted Sociality in Male Bats in the Temperate Zone},
  number={3},
  volume={170},
  issn={0003-0147},
  journal={The American Naturalist},
  pages={465--472},
  author={Safi, Kamran and Kerth, Gerald}
}
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