HOUSTON, C. S.; HOUSTON, M. I.; GOLLOP, J. B. Saskatchewan Bird Species – Hypothetical and Rejected. Blue Jay, [S. l.], v. 39, n. 4, 1981. DOI: 10.29173/bluejay4332. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4332. Acesso em: 5 may. 2024.