BELLEBAUM, J.; KUBE, J.; SCHULZ, A.; SKOV, H.; WENDELN, H. Decline of Long-tailed Duck Clangula hyemalis numbers in the Pomeranian Bay revealed by two different survey methods. Ornis Fennica, [S. l.], v. 91, n. 3, p. 129–137, 2014. DOI: 10.51812/of.133850. Disponível em: https://ornisfennica.journal.fi/article/view/133850. Acesso em: 10 may. 2024.