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By: Bellrose, Frank C. (Frank Chapman), - Anderson, Harry George,Edition:Publication info: Urbana, Ill, Natural History Survey, 1940Volume: 15Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects: Birds Ducks Food Freshwater plants Illinois Illinois River ValleyBHL Collections:
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By: Havera, Stephen P. - Yetter, Aaron P. - Hine, Christopher S. - Illinois. Natural History Survey Division. Center for Wildlife Ecology.Edition:Publication info: Havana, Ill, Illinois Natural History Survey, Center for Wildlife Ecology, 15 August 1994Volume:Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects: Bird populations Forest birds Habitat Illinois Illinois River Valley Nests Wood duckBHL Collections: