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阅读篇章：世界最大飞鸟 翼展媲美歼10战斗机 The largest flying bird known to ever have lived has now been revealed, an extinct giant with a wingspan more than twice the size of the largest living flying bird, researchers say. 科学家称，谁才是迄今以来最大的飞鸟这一问题的答案现已揭晓，这种鸟是一种已经灭绝的史前巨鸟，翼展是现存最大飞鸟的两倍之余。 These findings exceed some predictions for the largest size possible for flying birds, scientists added. 科学家补充说道，这些发现超过了一些预测，我们没想过飞鸟竟然能够大到这种程度。 The new species, Pelagornis sandersi, had an estimated wingspan of 20 to 24 feet when its feathers are included. This is up to more than twice as big as that of the royal albatross, the largest living flying bird, which has a wingspan of about 11.4 feet . 这一新的鸟类名为桑氏伪齿鸟，若将羽毛算上翼展估计可达20至24英尺，大约是地球上现存最大鸟类皇家信天翁的两倍。皇家信天翁翼展大约为11.4英尺。 It s a really remarkable species, study author Daniel Ksepka, a paleontologist and curator of science at the Bruce Museum in Greenwich, Connecticut, told Live Science. It really pushes the limits of how big we think flying birds can get. Getting a chance to add something like this to the avian evolutionary tree is really exciting. | 
