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Morphnus guianensis Tham khảoThực đơn
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WikiPedia: Morphnus guianensis http://www.artigocientifico.com.br/uploads/artc_11... http://books.google.com/books?id=hlIztc05HTQC&pg=P... http://www.iucnredlist.org/details/106003525/0 https://web.archive.org/web/20110706155645/http://... https://web.archive.org/web/20141226130540/http://...