JOHNS, Brian W. 1986 Spring Whooping Crane Migration – Prairie Provinces. Blue Jay, [S. l.], v. 44, n. 3, 1986. DOI: 10.29173/bluejay4995. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4995. Acesso em: 19 may. 2024.