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By: Roesler, Ignacio - Kirwan, Guy M - Agostini, María Gabriela - Beadle, David - Shirihai, Hadoram - Binford, Laurence CType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 129Series:Issue:Date: 2009Page Range: 222--228Publication Info: London, British Ornithologists' Club, 1893-Subjects: