RENAUD, Wayne. A Successful Solitary Cliff Swallow Nest. Blue Jay, [S. l.], v. 27, n. 2, 1969. DOI: 10.29173/bluejay3517. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3517. Acesso em: 6 apr. 2025.