[1]
Konovalov, A., Nellis, R., Nellis, R., Nurmla, A., Sellis, U. och Väli, Ülo 2019. Solitude at periphery: lack of partners limits reproduction of the Black Stork (Ciconia nigra) at the margin of the distribution range. Ornis Fennica. 96, 1 (mar. 2019), 13–23. DOI:https://doi.org/10.51812/of.133943.