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它们是体重最重的飞鸟，却能连续飞行数小时而不用拍打翅膀
source link: https://tech.sina.com.cn/d/i/2020-07-22/doc-iivhuipn4409612.shtml
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来源：科研圈安第斯神鹫是世界上最重的飞禽，体重最高可达约16千克。一项最新研究表示，它们实际上能够轻松带着沉重的身体翱翔，天空是它们唯一的局限。研究人员发现，对安第斯神鹫来说从陆地起飞是最困难的部分，但是一旦这些巨型鸟儿飞上天空，就几乎不再
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