按照许多现代鸟类的生存方式,他们因此怀疑这种鸟是杂食性。
This fits into a larger, emerging picture: Mesozoic birds were ecologically diverse, with lots of overlap between them and modern groups.
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”。
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."
而另一方面,首先出现喙形结构和最早尾综骨(用于支持羽毛的融合尾椎骨)的孔子鸟与现代鸟类之间几乎不存在什么不一样的地方。
On the other hand, Confuciusornis, which possessed the first beak and earliest pygostyle, or fused tail vertebrae that supported feathers, truly looks like a bird.
始祖鸟拥有羽毛,它身上既有现代鸟类的特征,也有远古爬行动物的痕迹,例如口中有牙齿,翅膀上有爪子,还有一条硕长的骨质尾巴。
It had feathers and other traits of living birds but also vestiges of a reptilian past, such as teeth in its mouth, claws on its wings, and a long, bony tail.
从1亿1千万年前的化石可以看出,很久以前在恐龙身边觅食的滨鸟已经和它们生活在现代的后代具有一样的啄食行为了。
Very early shorebirds that pecked the ground alongside dinosaurs were already behaving exactly like their modern counterparts, according to 110 million-year-old rock fossils.
赫氏近鸟身上的色彩让人联想到现代的鸟类。
The color pattern of Anchiornis is reminiscent of living birds.
赫氏近鸟身上的色彩让人联想到现代的鸟类。
The color pattern of Anchiornis is reminiscent of living birds.
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