Low genetic variance in the duration of the incubation period in a collared flycatcher (Ficedula albicollis) population.

Abstract excerpt

The avian incubation period is associated with high energetic costs and mortality risks suggesting that there should be strong selection to reduce the duration to the minimum required for normal offspring development. Although there is much variation in the duration of the incubation period across species, there is also variation within species. It is necessary to estimate to what extent this variation is...

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