Nesting Biology of Mallards in West-central Illinois. Illinois Natural History Survey Bulletin, Champaign, IL, v. 39, n. 1-6, p. 1–38, 2009. DOI: 10.21900/j.inhs.v39.95. Disponível em: https://iopn.library.illinois.edu/journals/inhs/article/view/95.. Acesso em: 19 may. 2024.