BOLEN, Eric G; RYLANDER, M Kent. Foot adaptations in four species of Whistling Duck Dendrocygna. Wildfowl, [S. l.], v. 25, p. 81–83, 1974. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/155887. Acesso em: 15 apr. 2026.