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Blood parasite infection differentially relates to carotenoid-based plumage and bill color in the American goldfinch
Male and female American goldfinches (Spinus tristis) express condition-dependent carotenoid-based plumage and bill coloration. Plumage color is relatively static, as pigments incorporated into feathers during the spring molt cannot be mobilized thereafter. In contrast, bill color is dynamic, reflec...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Blackwell Publishing Ltd
2014
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4222208/ https://www.ncbi.nlm.nih.gov/pubmed/25473474 http://dx.doi.org/10.1002/ece3.1164 |