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By: Vasconcelos, Marcelo Ferreira de - D'Ângelo Neto, Santos - Kirwan, Guy M - Bornschein, Marcos R. (Marcos Ricardo) - Diniz, Mauro Guimaraes - Silva, Jose Francisco daType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 126Series:Issue:Date: 2006Page Range: 212--238Publication Info: London, British Ornithologists' Club, 1893-Subjects: