by BROCHET, ANNE-LAURE, VAN DEN BOSSCHE, WILLEM, JONES, VICTORIA R., ARNARDOTTIR, HOLMFRIDUR, DAMOC, DORIN, DEMKO, MIROSLAV, DRIESSENS, GERALD, FLENSTED, KNUD, GERBER, MICHAEL, GHASABYAN, MAMIKON, GRADINAROV, DIMITAR, HANSEN, JANUS, HORVÁTH, MÁRTON, KARLONAS, MARIUS, KROGULEC, JAROSŁAW, KUZMENKO, TATIANA, LACHMAN, LARS, LEHTINIEMI, TEEMU, LORGÉ, PATRIC, LÖTBERG, ULRIK, LUSBY, JOHN, OTTENS, GERT, PAQUET, JEAN-YVES, RUKHAIA, ALEXANDER, SCHMIDT, MATTHIAS, SHIMMINGS, PAUL, STIPNIEKS, ANDRIS, SULTANOV, ELCHIN, VERMOUZEK, ZDENĚK, VINTCHEVSKI, ALEXANDRE, VOLKE, VELJO, WILLI, GEORG, BUTCHART, STUART H.M.
Published in Bird conservation international (01.03.2019)