INGLIS, I R; LAZARUS, John; TORRANCE, R. The pre-nesting behaviour and time budget of the Harlequin Duck Histrionicus histrionicus. Wildfowl, [S. l.], p. 55–73, 1989. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/154019. Acesso em: 16 dec. 2025.