La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	[Early laying date and second brood in the Red-backed Shrike (Lanius collurio)]
Auteurs :	Hans Jakober, Auteur ; Wolfgang Stauber, Auteur
Type de document :	Article
Dans :	Vogelwarte (40(3) November, 2000)
Article en page(s) :	240-242
Langues:	Allemand
Résumé :	In 1998, a colour- ringed pair of Red-backed Shrike arrived early in its breeding territory in Southern Germany. The female laid the first egg already on May 4th, the earliest laying date known in Europe. About six days after fledging of the 5 juv., the birds started a second brood which was also successful. In formerly observed cases of second broods in this species the shrikes had, in their first attempt, only reduced breeding success, caused by bad weather or partial nest predation. Another pair probably reared also two broods in 1998.

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