HOUSTON, M. I. 41st Annual Saskatchewan Christmas Bird Count – 1982. Blue Jay, [S. l.], v. 41, n. 1, 1983. DOI: 10.29173/bluejay4609. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4609. Acesso em: 17 may. 2024.