Aperçu des données de baguage et de relecture de bagues des oiseaux sauvages en Suisse
En Suisse, depuis 1924, les ornithologues baguent les oiseaux sauvages avec des bagues portant l’inscription « Sempach Helvetia ». Les fiches présentées ici illustrent, pour chaque espèce, des informations sur la démographie, la répartition spatio-temporelle et les impacts des activités humaines sur les oiseaux sur la base des données de baguage, des relectures de bagues et des reprises.
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