Data from: Experimental manipulation of brood size affects several levels of phenotypic variance in offspring and parent pied flycatchers

David F. Westneat, Ariane Mutzel, Simon Bonner & Jonathan Wright
Parental provisioning of offspring should reflect selection on life history aspects of parenting and on foraging behavior. Life history and foraging theory generally make predictions about mean behavior, but some circumstances might favor changes in the variance of parent and offspring behaviors. We analyzed data on free-living pied flycatchers (Ficedula hypoleuca) experiencing a brood size manipulation. We used double hierarchical generalized linear models to investigate patterns in means and variances of provisioning, brood begging, and...
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