Evidence Supporting a Dietary Basis for Orange-Tipped Rectrices in the Cedar Waxwing (Evidencia a Favor de que el Color Anaranjado en la Punta de las Rectrices de Individuos de Bombycilla cedrorum se Debe a la Dieta)

Cedar Waxwings (Bombycilla cedrorum) normally have yellow-tipped rectrices, but juvenile waxwings with orange tail tips have been observed with increasing frequency in the eastern United States in the past 30 yr. Orange-tipped rectrices contain large amounts of the red pigment rhodoxanthin not found...

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Veröffentlicht in:	Journal of field ornithology 1992-04, Vol.63 (2), p.212-216
Hauptverfasser:	Mulvihill, Robert S., Parkes, Kenneth C., Leberman, Robert C., Wood, D. Scott
Format:	Artikel
Sprache:	eng
Schlagworte:	Berries Bird banding Bird nesting Birds Bombycilla cedrorum Colors Feathers Lonicera Molting Pigments Warblers Young animals
Online-Zugang:	Volltext
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