Parental provisioning is weakly age‐dependent and heritable in a small passerine
Miloš Krist,
Anaïs Edme,
Andrea Höchsmannová
et al.
Abstract:Parental care in birds encompasses many behaviours, from selecting nest‐sites and supplying eggs with nutrients to incubation and offspring provisioning. Unlike the early stages, where offspring are passive receivers of care, chicks actively solicit care after hatching. This may lead to either parent–offspring conflict or coadaptation, or both, if there is genetic variance in both parental provisioning and offspring begging. However, given that parental provisioning is highly responsive to brood size and age, … Show more
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