Some of its fossils are so well preserved that scientists can see traces of cell structures that contained pigments. The finding led to colorful views of the cat-size animal, down to its striped tail.

中华龙鸟化石的某些部分保存十分完好，科学家们甚至发现了包含色素的细胞结构，他们认为这种猫类大小的史前动物是彩色的，甚至还拥有一条带条纹的尾巴

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But finding these fossils has posed many new mysteries.

然而这些化石的发现又带来许多新的谜团。

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So when spacecraft are sent to other planets, scientists will look for layers of gypsum in hopes of finding similar fossils.

VOA: special.2010.05.25

It is a problematic finding because of our current understanding of early fossils, such as the famous Toumai specimen uncovered in Chad.

BBC: NEWS | Science/Nature | Evolution's human and chimp twist