HOUSTON, C. Stuart. North America’s Oldest Great Horned Owl. Blue Jay, [S. l.], v. 50, n. 2, 1992. DOI: 10.29173/bluejay5212. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/5212. Acesso em: 25 apr. 2024.