WADE, Douglas E.; WADE, Dorothy R. Mallards do Dive. Blue Jay, [S. l.], v. 19, n. 1, 1961. DOI: 10.29173/bluejay2393. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2393. Acesso em: 2 may. 2024.