SMITH, Alan R. 80th Annual Saskatchewan Christmas Bird Count - 2021. Blue Jay, [S. l.], v. 80, n. 2, p. 16–28, 2022. DOI: 10.29173/bluejay6348. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/6348. Acesso em: 23 sep. 2023.