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By: Walley, Harlan DType: ArticleIn: The Canadian field-naturalistVolume: 88Series:Issue: 1Date: 1974Page Range: 80--81Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Walley, Harlan DType: ArticleIn: The Wilson journal of ornithologyVolume: 118Series:Issue: 3Date: 2006Page Range: 433--434Publication Info: Lawrence, KS, Wilson Ornithological Society, 2006-Subjects:
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By: Walley, Harlan D - Ruback, Patricia AType: ArticleIn: The Wilson journal of ornithologyVolume: 118Series:Issue: 4Date: 2006Page Range: 581--582Publication Info: Lawrence, KS, Wilson Ornithological Society, 2006-Subjects: