JENSEN, R. Ruby-throated Hummingbird with a Deformed Bill. Blue Jay, [S. l.], v. 77, n. 1, p. 32–35, 2019. DOI: 10.29173/bluejay376. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/376. Acesso em: 26 oct. 2021.