GOLLOP, Bernie. Observations on Woodpeckers – 1991. Blue Jay, [S. l.], v. 50, n. 2, 1992. DOI: 10.29173/bluejay5207. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/5207. Acesso em: 28 mar. 2024.