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By: Coopmans, Paul, - Krabbe, Niels,Type: ArticleIn: The Wilson bulletinVolume: 112Series:Issue: 3Date: 2000-09Page Range: 305--312Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Jahn, Olaf - Robbins, Mark B - Valenzuela, Patricio Mena - Coopmans, Paul, - Ridgely, Robert S - Schuchmann, Karl-LType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 120Series:Issue:Date: 2000Page Range: 16--22Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Mayert, Sjoerd - Coopmans, Paul, - Krabbe, Niels, - Isler, Morton LType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 134Series:Issue: 2Date: 2014Page Range: 145--154Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Coopmans, Paul, - Krabbe, Niels, - Schulenberg, Thomas SType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 121Series:Issue:Date: 2001Page Range: 208--213Publication Info: London, British Ornithologists' Club, 1893-Subjects: