RUNYAN, Madeline B. Feeding Hummingbirds. Blue Jay, [S. l.], v. 10, n. 3, 1952. DOI: 10.29173/bluejay1209. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/1209. Acesso em: 5 may. 2024.