SEALY, S. G.; MCMASTER, D. G. Two additional observations of egg laying by parasitic brown-headed cowbirds. Blue Jay, [S. l.], v. 62, n. 1, 2004. DOI: 10.29173/bluejay5842. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/5842. Acesso em: 21 may. 2022.