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By: Gregory, Phil (Bird watcher)Type: ArticleIn: The Wilson journal of ornithologyVolume: 119Series:Issue: 1Date: 2007Page Range: 144--146Publication Info: Lawrence, KS, Wilson Ornithological Society, 2006-Subjects:
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By: Gregory, Phil (Bird watcher) - Johnston, G RType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 113Series:Issue:Date: 1993Page Range: 139--145Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Dutson, Guy C. L. - Gregory, Phil (Bird watcher) - Boles, Walter E.,Type: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 131Series:Issue: 3Date: 2011Page Range: 204--206Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Gregory, Phil (Bird watcher) - Nkator, James - Amankwaa, AndrewType: ArticleIn: Bulletin of the African Bird ClubVolume: 24Series:Issue: 1Date: 2017-03Page Range: 94--95Publication Info: Cambridge, African Bird Club, 1994-Subjects:
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By: Gregory, Phil (Bird watcher) - Hornbuckle, JonType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 122Series:Issue:Date: 2002Page Range: 317--320Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Gregory, Phil (Bird watcher)Type: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 114Series:Issue:Date: 1994Page Range: 12--20Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Gregory, Phil (Bird watcher)Type: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 117Series:Issue:Date: 1997Page Range: 304--311Publication Info: London, British Ornithologists' Club, 1893-Subjects: