The discovery confirms "that big birds were living alongside Cretaceous non-avian dinosaurs," lead author Darren Naish said.
这个发现对《白垩纪时期同时存在着大型鸟类和非鸟类恐龙》进行了证实。
Such distinctions were obviously important to the animals at the time, but paleontologists now must tease apart birds from non-avian dinosaurs.
这种区别无疑对当时的动物非常重要，但现在必须把鸟类和非鸟类恐龙区分开。
Modern birds are direct descendants of Maniraptoran dinosaurs, experts say. The creatures that went extinct millions of years ago are now called "non-avian dinosaurs."
恐龙研究专家认为，现代鸟类直接起源于手盗龙类，其他已灭绝的恐龙现在被称之为“非鸟恐龙”。
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