Adaptive sex allocation in relation to hatching synchrony and offspring quality in house wrens.

  title={Adaptive sex allocation in relation to hatching synchrony and offspring quality in house wrens.},
  author={Emerson Keith Bowers and Scott K Sakaluk and Charles F Thompson},
  journal={The American naturalist},
  volume={177 5},
Increased variance in the reproductive success of males relative to females favors mothers that optimally allocate sons and daughters to maximize their fitness return. In altricial songbirds, one influence on the fitness prospects of offspring arises through the order in which nestlings hatch from their eggs, which affects individual mass and size before nest leaving. In house wrens (Troglodytes aedon), the influence of hatching order depends on the degree of hatching synchrony, with greater… CONTINUE READING

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