DROBNEY, Ronald D; FREDRICKSON, Leigh H. Protein acquisition: a possible proximate factor limiting clutch size in Wood Ducks. Wildfowl, [S. l.], p. 122–128, 1985. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/155020. Acesso em: 17 dec. 2025.