WADE, Douglas E.; WADE, Dorothy R. Greater Scaup Sighted in Regina. Blue Jay, [S. l.], v. 21, n. 4, 1963. DOI: 10.29173/bluejay2581. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2581. Acesso em: 3 jul. 2024.