Department of Biological Applications and Technology University of Ioannina Ioannina 45110 Greece;
Management Body of Cyclades Protected Areas Tsiropina's Mansion Poseidonia Syros 84100 Greece;
MEDRAPTORS(Mediterranean Raptor Migration Network) via Mario Fioretti 18 Rome 00152 Italy;
Institute of Ornithology Croatian Academy of Sciences and Arts Zagreb Croatia;
Faculty of Urban Planning and Environmental Management Polis University Rr.Bylis 12 Tirana Albania;
Ornithology Research Center Ondokuz Mayis University Atakum Samsun 55137 Turkey;
Bulgarian Society for Protection of Birds/BirdLife Bulgaria Yavorov Complex bl.71 vh.4 PO Box 50 Sofia 1111 Bulgaria;
BirdLife Cyprus PO Box 12026 Nicosia 2340 Cyprus;
Hellenic Ornithological Society/BirdLife Greece Antikythira Bird Observatory Themistokleous 80 Athens GR-10681 Greece;