PETRIE, Mark J; DROBNEY, Ronald D; SEARS, Dan T; ARMSTRONG, Llewellyn M. Evidence for Mallard Anas platyrhynchos and American Black Duck Anas rubripes 144 competition in western New Brunswick, Canada. Wildfowl, [S. l.], p. 146–164, 2012. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/153559. Acesso em: 16 dec. 2025.