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Wild common crossbills produce redder body feathers when their wings are clipped

BACKGROUND: The animal signaling theory posits that conspicuous colorations exhibited by many animals have evolved as reliable signals of individual quality. Red carotenoid-based ornaments may depend on enzymatic transformations (oxidation) of dietary yellow carotenoids, which could occur in the inn...

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Detalles Bibliográficos
Autores principales: Fernández-Eslava, Blanca, Cantarero, Alejandro, Alonso, Daniel, Alonso-Alvarez, Carlos
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10127331/
https://www.ncbi.nlm.nih.gov/pubmed/37170309
http://dx.doi.org/10.1186/s40850-022-00150-9