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By: Albuquerque, J L BType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 105Series:Issue:Date: 1985Page Range: 82--84Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Albuquerque, J L BType: ArticleIn: Raptor researchVolume: 16Series:Issue: 3Date: 1982Page Range: 91--92Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]Subjects: