MILLAR, John B. Crow and Mallard Nesting in Close Proximity. Blue Jay, [S. l.], v. 22, n. 3, 1964. DOI: 10.29173/bluejay2913. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2913. Acesso em: 27 apr. 2024.