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Annual cycle of the yellow warbler in the Galápagos.

Por:

Snow, D. W

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ArtículoIdioma: Inglés Tema(s):

Clasificación CDD:

598.872 22

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En: Bird-Banding Vol. 37, no. 1 (January 1966), p. 44-49Resumen: The breeding season of the Yellow Warbler in the Galapagos appears to be relatively invariable: it coincides with the wet season, but is not initiated in response to rainfall as is the case in some other Galapagos land-birds. The proximate factors involved were not determined. The full molt follows immediately after the end of breeding. There is considerable variability in the timing of the annual cycle in different pairs in the same habitat. Territories are maintained throughout the year, and pairs stay together, Song occurs in almost every month, but it is at a minimum about four months after the end of the molt. Young birds undergo two partial molts between their Juvenal and adult plumages, which correspond to the post-juvenal and first pre-nuptial molts of northern Yellow Warblers, though the interval between them is shorter and the second of them is more protracted in Galapagos Yellow Warblers.

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Existencias
Imagen de cubierta	Tipo de ítem	Biblioteca actual	Biblioteca de origen	Colección	Ubicación en estantería	Signatura topográfica	Materiales especificados	Info Vol	URL	Copia número	Estado	Notas	Fecha de vencimiento	Código de barras	Reserva de ítems	Prioridad de la cola de reserva de ejemplar	Reservas para cursos
	Artículo	Corley Smith Library Artículos		Galápagos		598.872 SNO (Navegar estantería(Abre debajo))					Disponible			G496:1

The breeding season of the Yellow Warbler in the Galapagos appears to be relatively invariable: it coincides with the wet season, but is not initiated in response to rainfall as is the case in some other Galapagos land-birds. The proximate factors involved were not determined. The full molt follows immediately after the end of breeding. There is considerable variability in the timing of the annual cycle in different pairs in the same habitat. Territories are maintained throughout the year, and pairs stay together, Song occurs in almost every month, but it is at a minimum about four months after the end of the molt. Young birds undergo two partial molts between their Juvenal and adult plumages, which correspond to the post-juvenal and first pre-nuptial molts of northern Yellow Warblers, though the interval between them is shorter and the second of them is more protracted in Galapagos Yellow Warblers.

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