BARD, Fred G.; LAHRMAN, Fred W. Sandhill Cranes Flying With Feet Drawn Up. Blue Jay, [S. l.], v. 23, n. 3, 1965. DOI: 10.29173/bluejay3301. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3301. Acesso em: 24 aug. 2024.