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Covariation in life-history traits: Differential effects of diet on condition, hormones, behavior, and reproduction in genetic finch morphs

Pryke, Sarah; Astheimer, Lee B; Griffith, Simon C; Buttemer, William A


The relative contribution of genetic and environmental factors in determining variation in life-history traits is of central interest to evolutionary biologists, but the physiological mechanisms underlying these traits are still poorly understood. Here we experimentally demonstrate opposing effects of nutritional stress on immune function, endocrine physiology, parental care, and reproduction between red and black head-color morphs of the Gouldian finch (Erythrura gouldiae). Although the body...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: The American Naturalist
DOI: 10.1086/664078


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