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By: Liversidge, Richard - Voelker, GaryType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 122Series:Issue:Date: 2002Page Range: 93--109Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Voelker, Gary - Mcfarland, Sara LType: ArticleIn: The Wilson bulletinVolume: 114Series:Issue: 2Date: 2002Page Range: 255--263Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: