Group augmentation underlies the evolution of complex sociality in the face of environmental instability.
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DOI: 10.1073/pnas.2212211120
Abstract: Although kin selection is assumed to underlie the evolution of sociality, many vertebrates-including nearly half of all cooperatively breeding birds-form groups that also include unrelated individuals. Theory predicts that despite reducing kin structure, immigration of… read more here.
Keywords: group augmentation; face environmental; group; environmental instability ... See more keywords