BRAZIER, Frank. Courtship Behaviour of Lesser Scaup. Blue Jay, [S. l.], v. 21, n. 2, 1963. DOI: 10.29173/bluejay2675. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2675. Acesso em: 21 may. 2024.