DUDZIK, K.; WLODARCZYK, R.; CZYZ, S.; POLAKOWSKI, M. Unusual migratory behaviour in a newly established subpopulation of Whooper Swan (Cygnus cygnus) breeding in the highlands of Poland. Ornis Fennica, [S. l.], v. 92, n. 4, p. 204–212, 2015. DOI: 10.51812/of.133880. Disponível em: https://ornisfennica.journal.fi/article/view/133880. Acesso em: 21 nov. 2024.