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By: Klein, B C - Bierregaard, Richard O.,Type: ArticleIn: The journal of raptor researchVolume: 22Series:Issue: 1Date: 1988Page Range: 29--29Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Bierregaard, Richard O.,Type: ArticleIn: The journal of raptor researchVolume: 32Series:Issue: 1Date: 1998Page Range: 19--27Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Bierregaard, Richard O., - Lovejoy, Thomas E.Type: ArticleIn: Instituto Nacional de Pesquisas da AmazôniaVolume:Series:Issue:Date: 1989-01-01Page Range:Publication Info: Instituto Nacional de Pesquisas da AmazôniaSubjects:
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By: Bierregaard, Richard O.,Type: ArticleIn: The Wilson bulletinVolume: 96Series:Issue: 1Date: 1984Page Range: 1--5Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Bierregaard, Richard O., - Stotz, Douglas F. (Douglas Forrester), - Harper, L H - Powell, George Van NostrandType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 107Series:Issue:Date: 1987Page Range: 134--137Publication Info: London, British Ornithologists' Club, 1893-Subjects: