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By: Swift, Bryan L - Larson, Joseph S - DeGraaf, Richard M.Type: ArticleIn: The Wilson bulletinVolume: 96Series:Issue: 1Date: 1984Page Range: 48--59Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Sheaffer, Susan E. - Malecki, Richard A. - Swift, Bryan L - Dunn, John - Scribner, KimType: ArticleIn: The Canadian field-naturalistVolume: 121Series:Issue: 3Date: 2007-07-01Page Range: 313--320Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: