RODRIGUES, D; FIGUEIREDO, M; FABIAO, A. Mallard Anas platyrhynchos lead poisoning risk in central Portugal. Wildfowl, [S. l.], p. 169–174, 2001. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/153951. Acesso em: 13 feb. 2026.