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Simon R. Evans and Ben C. Sheldon Pigments versus structure: examining the mechanism of age-dependent change in a carotenoid-based colour Journal of Animal Ecology 82

Version of Record online: 29 NOV 2012 | DOI: 10.1111/1365-2656.12008

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This study investigates the increase in coloration accompanying the first- to second-year moult transition of great tits, finding that age-dependence of plumage coloration is driven almost exclusively by within-individual effects in the first 2 years of life. The results highlight the utility of wavelength-specific analyses in determining the mechanisms underlying changes in expression of composite colour traits.

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