1. Institute for Environmental Protection and Research (ISPRA), Via Ca’ Fornacetta 9, Ozzano dell’Emilia (Bologna), Italy
2. LIPU – Conservation Department, Via Udine 3/A, Parma, Italy
3. MEDRAPTORS (Mediterranean Raptor Migration Network), c/o Michele Panuccio, Via Mario Fioretti 18, Rome, Italy
4. Freelance consultant, Via Tullio Passarelli 67, Rome, Italy
5. Freelance consultant, Via Nuoro 2, Milan, Italy
6. National Research Council of Italy (CNR) – Institute of Geosciences and Earth Resources, Via G. Moruzzi 1, Pisa, Italy
7. University of Valencia, Cavanilles Institute of Biodiversity and Evolutionary Biology, Terrestrial Vertebrates Group, Paterna, Valencia, Spain