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By: Schmitt, C. Gregory - Schmitt, Donna C.Type: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 107Series:Issue:Date: 1987Page Range: 129--134Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Schmitt, C. Gregory - Schmitt, Donna C.Type: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 110Series:Issue:Date: 1990Page Range: 139--140Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Bates, John M. (John Mark), - Garvin, Mary Catherine - Schmitt, Donna C. - Schmitt, C. GregoryType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 109Series:Issue:Date: 1989Page Range: 236--247Publication Info: London, British Ornithologists' Club, 1893-Subjects: