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By: Llinas-Gutierrez, J - Arnaud, Gustavo - Acevedo, MType: ArticleIn: The journal of raptor researchVolume: 25Series:Issue: 4Date: 1991Page Range: 140--141Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Rodriguez-Estrella, Ricardo - Llinas-Gutierrez, J - Cancino Hernández, JorgeType: ArticleIn: The journal of raptor researchVolume: 25Series:Issue: 3Date: 1991Page Range: 68--71Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: