Food Habits of Migratory Ducks in Illinois. Illinois Natural History Survey Bulletin, Champaign, IL, v. 27, n. 1-6, p. 289–344, 1959. DOI: 10.21900/j.inhs.v27.173. Disponível em: https://iopn.library.illinois.edu/journals/inhs/article/view/173.. Acesso em: 16 may. 2024.