Black-crowned Night-Heronsof the Lake Calumet Region,Chicago, Illinois: Population trends in a Black-crowned Night-Heron colony at Lake Calumet Wetlands. Illinois Natural History Survey Bulletin, Champaign, IL, v. 37, n. 1-6, p. 109–117, 2005. DOI: 10.21900/j.inhs.v37.114. Disponível em: https://iopn.library.illinois.edu/journals/inhs/article/view/114.. Acesso em: 18 may. 2024.