TITMAN, Rodger D; SEYMOUR, Norman R. A comparison of pursuit flights by six North American ducks of the genus Anas. Wildfowl, [S. l.], v. 32, p. 11–18, 1981. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/154191. Acesso em: 4 apr. 2026.