Experimentally reduced paternity affects paternal effort and reproductive success in pied flycatchers

@article{Lifjeld1998ExperimentallyRP,
  title={Experimentally reduced paternity affects paternal effort and reproductive success in pied flycatchers},
  author={Jan T Lifjeld and Tore Slagsvold and Hans Ellegren},
  journal={Animal Behaviour},
  year={1998},
  volume={55},
  pages={319-329}
}
The question of whether, and how, male birds should change their parental effort in response to reduced paternity is a controversial issue among behavioural ecologists. We report a study on pied flycatchers, Ficedula hypoleuca, in which paternity was manipulated through experimentally induced mate switching during the female's fertile period. The paternity of care-giving males ranged from 0 to 100% of the brood. The number of parental males per nest varied between zero and two, and the amount… CONTINUE READING

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