OPERMANIS, O. Marsh Harrier Circus aeruginosus predation on artificial duck nests: a field experiment. Ornis Fennica, [S. l.], v. 78, n. 4, p. 198–203, 2001. Disponível em: https://ornisfennica.journal.fi/article/view/133564. Acesso em: 22 nov. 2024.