HARRIS, Wayne C. 59th Annual Saskatchewan Christmas bird count - 2000. Blue Jay, [S. l.], v. 59, n. 1, 2001. DOI: 10.29173/bluejay5812. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/5812. Acesso em: 5 may. 2024.