The quality of chicks and breeding output do not differ between first and replacement clutches in the Eagle OwlBubo bubo

C.Bettega,M.M.Delgado,L.Campioni,DepartmentofConservationBiology,EstacionBiologica de Donana, C.S.I.C., c/ Americo Vespucio s/n, 41092 Seville, SpainM.M.Delgado,MetapopulationResearchGroup, DepartmentofBiosciences,FI-00014,University of Helsinki, FinlandP.Pedrini, Trento Natural History Museum, via Calepina 14, 38122, Trento, ItalyV. Penteriani, Finnish Museum of Natural History, Zoological Museum, University ofHelsinki, FI-00014 Helsinki, Finland; Department of Conservation Biology, EstacionBiologica de Donana, C.S.I.C., c/ Americo Vespucio s/n, 41092 Seville, Spain. * Corre-sponding author’s e-mail: penteriani@ebd.csic.esReceived 9 January 2011, accepted 16 May 2011