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Brood size manipulations reveal relationships among physiological performance, body condition and plumage colour in Northern Flicker Colaptes auratus nestlings

Annessa B. Musgrove, Auteur ; Karen L. Wiebe, Auteur ; Clare E. Parker, Auteur ; L. Micheal Romero, Auteur

Dans Ibis (159(3) July 1, 2017)

Visual signals of quality in offspring, such as plumage colour, should honestly advertise need and/or body condition, but links between nutritional status, physiological performance and the expression of colours are complex and poorly understood[...]

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