LITTLE, David T.     . European Widgeon Sighting at Cumberland House, Saskatchewan. Blue Jay, [S. l.], v. 29, n. 3, 1971. DOI: 10.29173/bluejay3763. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3763. Acesso em: 27 apr. 2024.