SMITH, Alan R.; JOHANSON, Robert E. 62nd annual Saskatchewan Christmas bird count - 2003. Blue Jay, [S. l.], v. 62, n. 1, 2004. DOI: 10.29173/bluejay5841. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/5841. Acesso em: 3 may. 2024.