SWITZER, Frank. Heard but Not Necessarily Seen: Surveys of Birds at Greenwater and Moose Mountain Provincial Parks. Blue Jay, [S. l.], v. 52, n. 3, 1994. DOI: 10.29173/bluejay5446. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/5446. Acesso em: 3 may. 2024.