HOUSTON, C. Stuart; ESCOTT, Christopher J.; GODWIN, Robert C. The Great Gray Owls That Weren’t. Blue Jay, [S. l.], v. 40, n. 3, 1982. DOI: 10.29173/bluejay6260. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/6260. Acesso em: 3 jul. 2024.