BARD, Fred G. Whooping Crane Winter Count, 1962-63. Blue Jay, [S. l.], v. 21, n. 1, 1963. DOI: 10.29173/bluejay2763. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2763. Acesso em: 1 may. 2024.