引用本文: | With great care, Dr. ZHOU Zhonghe takes out a package wrapped by cotton tissue from a drawer and says: "This is the gem of our collections: the fossil of a bird that lived million years ago!" Then, pointing at a tiny mound, he explains: "Look, this is the claw and that is the head. It was in the egg shell and ready to hatch ... The species fell into a family of waterside inhabitants."…….Tracing the origin and early radiation of birds—Paleornithologist ZHOU Zhonghe[J].中国科学院院刊(英文版),2008,22(1):43-46. |