On the basis of long-term studies on the ecology of pied flycatcher in Karelia, it has been shown that male nonparticipation in nestling feeding is due to the course of postnuptial molt rather than to the mode of mating relationships, as it was considered previously. This is confirmed by the results of selective capture of birds that have stopped to feed their brood. It is suggested that reduction of parental care is associated with changes in the hormonal balance of molting birds.
Russian Journal of Ecology – Springer Journals
Published: Sep 25, 2010
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