SMITH, A. R.; EDMONDS, R. 77th Saskatchewan Christmas Bird Count - 2018. Blue Jay, [S. l.], v. 77, n. 2, p. 8–20, 2019. DOI: 10.29173/bluejay385. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/385. Acesso em: 6 dec. 2021.