Kinship and Incest Avoidance Drive Patterns of Reproductive Skew in Cooperatively Breeding Birds

@article{Riehl2017KinshipAI,
  title={Kinship and Incest Avoidance Drive Patterns of Reproductive Skew in Cooperatively Breeding Birds},
  author={C. Riehl},
  journal={The American Naturalist},
  year={2017},
  volume={190},
  pages={774 - 785}
}
  • C. Riehl
  • Published 2017
  • Biology, Medicine
  • The American Naturalist
Social animals vary in how reproduction is divided among group members, ranging from monopolization by a dominant pair (high skew) to equal sharing by cobreeders (low skew). Despite many theoretical models, the ecological and life-history factors that generate this variation are still debated. Here I analyze data from 83 species of cooperatively breeding birds, finding that kinship within the breeding group is a powerful predictor of reproductive sharing across species. Societies composed of… Expand
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