SMITH, Alan R.; JOHANSON, Robert E. 61st annual Saskatchewan Christmas bird count - 2002. Blue Jay, [S. l.], v. 61, n. 1, 2003. DOI: 10.29173/bluejay5829. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/5829. Acesso em: 28 mar. 2024.