Should I stay or should I go? Hormonal control of nest abandonment in a long-lived bird, the Adélie penguin

@article{Spe2010ShouldIS,
  title={Should I stay or should I go? Hormonal control of nest abandonment in a long-lived bird, the Ad{\'e}lie penguin},
  author={Marion Sp{\'e}e and Micha{\"e}l Beaulieu and Antoine Dervaux and Olivier Chastel and Thierry Raclot},
  journal={Hormones and Behavior},
  year={2010},
  volume={58},
  pages={762-768}
}
According to life-history theory, long-lived birds should favor their survival over the current reproductive attempt, when breeding becomes too costly. In seabirds, incubation is often associated with spontaneous long-term fasting. Below a threshold in body reserves, hormonal and metabolic shift characteristics of a switch from lipid to protein utilization (phase III, PIII) occur. These metabolic changes are paralleled by nest abandonment and stimulation of refeeding behavior. Parental behavior… CONTINUE READING

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