Kinship affects investment by helpers in a cooperatively breeding bird.

@article{Nam2010KinshipAI,
  title={Kinship affects investment by helpers in a cooperatively breeding bird.},
  author={Ki-Baek Nam and Michelle Simeoni and Stuart P Sharp and Ben J Hatchwell},
  journal={Proceedings. Biological sciences},
  year={2010},
  volume={277 1698},
  pages={3299-306}
}
Helping behaviour in cooperative breeding systems has been attributed to kin selection, but the relative roles of direct and indirect fitness benefits in the evolution of such systems remain a matter of debate. In theory, helpers could maximize the indirect fitness benefits of cooperation by investing more in broods with whom they are more closely related, but there is little evidence for such fine-scale adjustment in helper effort among cooperative vertebrates. In this study, we used the… CONTINUE READING
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