HATCH, David M. Cowbird Egg in Crow Nest. Blue Jay, [S. l.], v. 25, n. 4, 1967. DOI: 10.29173/bluejay3005. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3005. Acesso em: 5 may. 2024.