HOUSTON, Mary. Seventeenth Annual Sakatchewan Christmas Bird Count, 1958. Blue Jay, [S. l.], v. 17, n. 1, 1959. DOI: 10.29173/bluejay2331. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2331. Acesso em: 16 may. 2024.