STIRLING, David     . Notes on the Birds of Mt. Robson Provincial Park, 1970. Blue Jay, [S. l.], v. 29, n. 2, 1971. DOI: 10.29173/bluejay3559. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3559. Acesso em: 3 may. 2024.