Dietary composition and relationships among breeding bird populations at US/IBP grassland biome sites, 1970
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Authors
Wiens, John A., author
Ward, John F., 1946-, author
Rotenberry, John T., author
Natural Resource Ecology Laboratory, Colorado State University, publisher
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Description
June 1974.
On cover: Grassland Biome, Ecosystem analysis studies, U.S. International Biological Program.
On cover: Grassland Biome, Ecosystem analysis studies, U.S. International Biological Program.
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Subject
Grassland ecology -- United States
Birds -- Food -- United States
Bird populations -- United States