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By: Kilgore, Delbert L - Knudsen, Kathy Lynn,Type: ArticleIn: The Wilson bulletinVolume: 89Series:Issue: 4Date: 1977Page Range: 562--571Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Birchard, Geoffrey F - Kilgore, Delbert L - Boggs, Dona FType: ArticleIn: The Wilson bulletinVolume: 96Series:Issue: 3Date: 1984Page Range: 451--456Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: