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Keywords: sexual advertisement
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Journal Articles
J Exp Biol (2006) 209 (22): 4414–4419.
Published: 15 November 2006
... that might protect carotenoids from free radical attacks and make them available for sexual advertisements. We tested this hypothesis in the zebra finch, a passerine species with a carotenoid-based signal: the colour of the bill. We simultaneously manipulated the availability of carotenoids and of a non...