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Breeding PopulationBREEDING BIOLOGYLarus RidibundusGreylag GeeseGavia StellataBird SpeciesBreeding AreasRed-throated DiverClangula HyemalisPopulation ChangesNESTBreeding BirdsFringilla MontifringillaReproductive SuccessEnglish SummaryCanada GeeseGreat Tit Parus MajorMelanitta FuscaBreeding EcologySturnus Vulgaris