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By: Steinheimer, Frank D - Sammler, SvenjaType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 127Series:Issue:Date: 2007Page Range: 167--168Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Sammler, Svenja - Steinheimer, Frank DType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 128Series:Issue:Date: 2008Page Range: 254--259Publication Info: London, British Ornithologists' Club, 1893-Subjects: