La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Brood parasitism, female condition and clutch reduction in the common eider Somateria mollisima
Auteurs :	Peter Waldeck, Auteur ; Jeanette Iren Hagen, Auteur ; Sveinn Are Hanssen, Auteur ; Malte Andersson, Auteur
Type de document :	Article
Dans :	Journal of Avian Biology (42(3) MAY 2011)
Article en page(s) :	231-238
Langues:	Anglais
Résumé :	Conspecific brood parasitism (GBP) is an alternative reproductive tactic found in many animals with parental care. Parasitizing females lay eggs in the nests of other females (hosts) of the same species, which incubate and raise both their own and the foreign offspring. The causes and consequences of CBP are debated. Using albumen fingerprinting of eggs for accurately detecting parasitism, we here analyse its relation to female condition and clutch size in High Arctic common eiders Somateria mollissima borealis. Among 166 clutches in a Svalbard colony,

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