羽毛
羽毛是鸟类搭一些兽脚亚目恐龙特有个结构，是表皮个角质化衍生物。曾经被认为渠搭爬行类个鳞片同源。鸟身上个羽毛咾多，大约莫要超过2000根。
This article uses material from the Wikipedia 吴语 article 羽毛, which is released under the Creative Commons Attribution-ShareAlike 3.0 license ("CC BY-SA 3.0"); additional terms may apply (view authors). 除非另外声明，内容用CC BY-SA 4.0授权。 Images, videos and audio are available under their respective licenses.
®Wikipedia is a registered trademark of the Wiki Foundation, Inc. Wiki 吴语 (DUHOCTRUNGQUOC.VN) is an independent company and has no affiliation with Wiki Foundation.