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''Bucorvus brailloni'' is an extinct ground hornbill. The only known fossil is of a femur dated to the Middle Miocene. It was found in Morocco, well north of the range of extant ground hornbill species. ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Bucorvus brailloni」の詳細全文を読む スポンサード リンク
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