KUYT, E. Whooping Cranes in 1987 – Another Year of Progress. Blue Jay, [S. l.], v. 46, n. 3, 1988. DOI: 10.29173/bluejay5033. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/5033. Acesso em: 5 jul. 2022.