STIRLING, David. The Black-backed Three-toed Woodpecker. Blue Jay, [S. l.], v. 19, n. 2, 1961. DOI: 10.29173/bluejay2304. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2304. Acesso em: 22 jul. 2024.