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Argentavis
''Argentavis magnificens'' ("magnificent Argentine bird", or more literally "magnificent silver bird") is one of the largest flying birds ever known, possibly surpassed in wingspan only by the recently discovered ''Pelagornis sandersi''. ''A. magnificens'', sometimes called the giant teratorn, is an extinct species known from three sites from the late Miocene of central and northwestern Argentina, where a good sample of fossils have been obtained.〔(Ancient American bird was glider ). ''BBC'', 2007-JUL-02. Retrieved 2008-JAN-14〕 ==Description== The humerus (upper arm bone) of ''Argentavis'' is somewhat damaged. Even so, it allows a fairly accurate estimate of its length in life. ''Argentavis'' humerus was only slightly shorter than an entire human arm.〔 The species apparently had stout, strong legs and large feet which enabled it to walk with ease. The bill was large, rather slender, and had a hooked tip with a wide gape.
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「Argentavis」の詳細全文を読む
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