The effect of egg size variability on thermoregulation of Mallard (Anas platyrhynchos) offspring and its implications for survival

@article{Rhymer1988TheEO,
  title={The effect of egg size variability on thermoregulation of Mallard (Anas platyrhynchos) offspring and its implications for survival},
  author={Judith M. Rhymer},
  journal={Oecologia},
  year={1988},
  volume={75},
  pages={20-24}
}
There is a range of egg size phenotypes in Mallards (Anas platyrhynchos) that has a large genetic component. It was hypothesized that egg size variation could play an important role in survival of newly hatched ducklings during their first few days out of the nest when they are most susceptible to thermal stress and starvation. Precocial young must be physiologically capable of maintaining homeothermy in order to spend adequate time foraging. Duckling size at hatching was highly correlated with… CONTINUE READING

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