BINNIE, Alvin. Some Feeding Habits of the Ruby-Throated Hummingbird. Blue Jay, [S. l.], v. 23, n. 2, 1965. DOI: 10.29173/bluejay3055. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3055. Acesso em: 4 may. 2024.