HUGHES, B; KIRBY, J; ROWCLIFFE, J M. Waterbird conflicts in Britain and Ireland: Ruddy Ducks Oxyura jamaicensis, Canada Geese Branta canadensis, and Cormorants Phalacrocorax carbo. Wildfowl, [S. l.], p. 77–99, 1999. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/154581. Acesso em: 16 dec. 2025.