Sokolov A, Siblet J-P, Skierczynski M, Selstam G, Piha M, Minkevicius S, Kirwan GM, Hargues R, Ferrand Y, Elts J, Dombrovski V, Dale S, Czajkowski MA, Couzi L, Copete JL, Belik V, Bauer H-G, Arlettaz R, Jiguet F. An update of the European breeding population sizes and trends of the Ortolan Bunting (Emberiza hortulana). Ornis Fenn [Internet]. 2016Sep.30 [cited 2024May9];93(3):186–196. Available from: https://ornisfennica.journal.fi/article/view/133900