1. Univ. degli Studi di Milano Statale, Dip.to Scienze Politiche e Ambientali Milano Italy
2. MUSE‐Museo delle Scienze, Corso del Lavoro e della Scienza 3 Trento Italy
3. Biodiversity Research Inst. (IMIB, UO‐CSIC‐PA), Campus Mieres Mieres Spain
4. Dept of Conservation Biology, Estación Biológica de Doñana‐CSIC Sevilla Spain
5. Senckenberg Natural History Collections Dresden Dresden Germany
6. Division of Conservation Biology, Inst. of Ecology and Evolution, Univ. of Bern Bern Switzerland
7. Swiss Ornithological Inst. Sempach Switzerland
8. Fundación para la Conservación del Quebrantahuesos Zaragoza Spain
9. Estación Zaragoza‐Delicias, Grupo Aragón de Anillamiento Científico de Aves Zaragoza Spain
10. Parc National de la Vanoise Val d'Isère France
11. Univ. für Bodenkultur Wien Wien Austria
12. Grup d'anellament PARUS, Lliça d'Amunt Barcelona Spain
13. Parc National des Pyrénées, Villa Fould Tarbes France
14. Univ. of Zurich, Dept of Evolutionary Biology and Environmental Studies Zurich Switzerland
15. CNR-IRSA National Research Council‐Water Research Institute. Via del Mulino 19 20861 Brugherio (MB) Italy