HOUSTON, C. Stuart; HOUSTON, Mary I. Ring-billed gulls banded in Saskatchewan, 1936-1989. Blue Jay, [S. l.], v. 64, n. 3, 2006. DOI: 10.29173/bluejay6009. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/6009. Acesso em: 6 may. 2024.