La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Occasional breeding by Western Reef Egret in eastern Spain
Auteurs :	José Ignacio Dies, Auteur ; Josefa Prosper, Auteur ; Bosco Dies, Auteur
Type de document :	Article
Dans :	British Birds (94(8) August, 2001)
Article en page(s) :	382-386
Résumé :	On at least six occasions since the late 1980s, dark-morph Western Reef Egrets Egretta gularis of the nominate subspecies gularis have been observed during the breeding season at L'Albufera de Valencia, in eastern Spain. Three instances of breeding by mixed pairs of this species and Little Egret E. garzetta were recorded, in 1988, 1989 and 1990. In addition, apparent hybrids, with pale grey body and with variably extensive white on the head, wings and underparts (including in adult plumage), have been observed at this site repeatedly since 1993. There is no definite evidence for the occurrence of a dark morph of the Little Egret.

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