CALDWELL, J. Robert. Some Records of the Canada Goose Breeding in Southwestern Saskatchewan. Blue Jay, [S. l.], v. 21, n. 2, 1963. DOI: 10.29173/bluejay2678. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2678. Acesso em: 22 jul. 2024.