SMITH, L. A. Eastern Bluebird Boxes in Ontario. Blue Jay, [S. l.], v. 36, n. 1, 1978. DOI: 10.29173/bluejay4526. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4526. Acesso em: 22 jul. 2024.