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Keywords: plumage color
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Journal Articles
J Exp Biol (2016) 219 (19): 3091–3099.
Published: 1 October 2016
... traits in response to exogenous and endogenous testosterone, including carotenoid-pigmented plumage, darkened bill and an enlarged sperm storage organ, but are constrained in production of melanin-pigmented plumage. Sexual dimorphism Testosterone Plumage color Bill color Carotenoids Melanins...
Includes: Supplementary data
Journal Articles
J Exp Biol (2009) 212 (8): 1225–1233.
Published: 15 April 2009
..., food access and parasite load can have complex and variable effects on color displays, and that feather and bill coloration signal different aspects of male condition. carotenoids melanins plumage color body composition indicator mechanism References Andersson, M. ( 1994 ). Sexual...