PINEL, H. W. Reproductive Efficiency and Site Attachment of Tree Swallows and Mountain Bluebirds. Blue Jay, [S. l.], v. 38, n. 3, 1980. DOI: 10.29173/bluejay4676. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4676. Acesso em: 4 may. 2024.