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By: Bates, John M. (John Mark), - Parker, Theodore A. - Capparella, Angelo P. (Angelo Paul), - Davis, Tristan J.Type: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 112Series:Issue:Date: 1992Page Range: 86--98Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Vuilleumier, François, - Capparella, Angelo P. (Angelo Paul), - Lazo, IvanType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 113Series:Issue:Date: 1993Page Range: 85--87Publication Info: London, British Ornithologists' Club, 1893-Subjects: