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鸟类是否可以被认为是真正的恐龙？是的
source link: https://tech.sina.com.cn/d/c/2020-01-22/doc-iihnzahk5704769.shtml
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新浪科技讯北京时间1月22日消息，现代鸟类的起源可以追溯到兽脚亚目恐龙，这是恐龙演化树上一个主要为肉食性种类的分支。从麻雀到大雁，从鸵鸟到猫头鹰，它们与迅猛龙或强大的霸王龙之间有什么共同之处？所有这些鸟类都可以追溯到一类双足恐龙，它们主要是
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