Discoverer of more dinosaur species than any other living scientist, Xu Xing, with a cast of parrot-faced Psittacosaurus, says some dinosaurs have birdlike traits, including feathers.
徐星发现的恐龙种类比任何当代科学家都要多，他表示某些恐龙拥有鸟类的特征，甚至长有羽毛。
Rich's paper discussed the possible ways in which dinosaurs living in Australia survived; he came up with the idea that dinosaurs near the southern pole hibernated during the dark winter months.
Rich的论文论述了在澳大利亚生存的恐龙的可能方式，他提出了南极附近的恐龙会通过冬眠来度过长达数月的黑暗的冬季的观点。
The idea that birds—the most diverse group of land vertebrates, with nearly 10, 000 living species—descended directly from dinosaurs isn't new.
鸟类是陆生脊椎动物中分支最多的群体，拥有将近10000个不同的种类，有科学家认为鸟类是直接从恐龙进化而来的，这种想法并不新鲜。
A few small, predatory dinosaurs have relative brain sizes that are comparable with those of some living birds, such as ostriches, however.
然而，一些小型的食肉恐龙的相对脑容量与某些现代鸟类相当，比如鸵鸟。
A few small, predatory dinosaurs have relative brain sizes that are comparable with those of some living birds, such as ostriches, however.
然而，一些小型的食肉恐龙的相对脑容量与某些现代鸟类相当，比如鸵鸟。
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