LONG, Robert J.     . Photographing Turkey Vultures at Madge Lake. Blue Jay, [S. l.], v. 29, n. 2, 1971. DOI: 10.29173/bluejay3563. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3563. Acesso em: 2 may. 2024.