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By: Hoffman, Wayne - Woolfenden, Glen Everett, - Smith, P WilliamType: ArticleIn: The Wilson bulletinVolume: 111Series:Issue: 3Date: 1999Page Range: 303--313Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Smith, P WilliamType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 121Series:Issue:Date: 2001Page Range: 249--252Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Smith, P WilliamType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 117Series:Issue:Date: 1997Page Range: 264--271Publication Info: London, British Ornithologists' Club, 1893-Subjects: