La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Remige moult in Spotted Flycatcher (Muscicapa striata) on its West African wintering grounds.
Auteurs :	Volker Salewski, Auteur ; Franz Bairlein, Auteur ; Bernd Leisler, Auteur
Type de document :	Article
Dans :	Vogelwarte (41(4) Dezember 2002)
Article en page(s) :	301-303
Langues:	Allemand
Résumé :	We studied the remigial molt of six Spotted Flycatchers in their winter quarters in Ivory Coast, West Africa. Molt was evident between November and March, with very variable starting dates. Most remiges molted in the dry season when the potential food supply was lower than in the rainy season. This fact contradicted common theories of the molting process in West Africa. Primaries molted in ascending sequence typical for the species. However, tertiary molt started, in contradiction to earlier authors, only some time after the first primaries were molted, and in most cases only after secondary molt had started. The sequence of secondary molt was very variable and was different in all four birds with data present. The first molted secondary occurred to be S1, S2, S5 or S6. These differences in molting sequence in the birds studied, and in comparison with findings by earlier authors, indicate a higher variability in remigial molt in the Spotted Flycatcher than previously thought.

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