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Proceedings of the National Academy of Sciences of the United States of America logoLink to Proceedings of the National Academy of Sciences of the United States of America
. 1961 Feb;47(2):240–243. doi: 10.1073/pnas.47.2.240

THE EFFECTS OF REDUCED COMPETITION IN BIRDS*

Kenneth Crowell 1
PMCID: PMC221663  PMID: 16590825

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