PORT, Jeffrey L. Alloparental care of ducklings by unrelated male Speckled Teal Anas flavirostris in eastern Argentina. Wildfowl, [S. l.], p. 103–108, 2000. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/153912. Acesso em: 17 dec. 2025.