SMITH, Wayne W.; WERSHLER, Cleve R.     . Some 1970 Southern Alberta Bird Observations. Blue Jay, [S. l.], v. 29, n. 2, 1971. DOI: 10.29173/bluejay3562. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3562. Acesso em: 7 may. 2024.