鸟
鸟（教会罗马字：°tiau†, °niau*；英文：bird），鸟类、鸟纲（教会罗马字：°niau lé°; °niau kong；拉丁文：Aves）是两足、恒温、卵生个脊椎动物。身披羽毛，前肢演化成功翼梢，喙蛮硬个。鸟纲在拉生物分类学上是脊椎动物亚门下个一只纲。因得鸟身体上向有得羽毛覆盖在许，老早底东亚大陆文言典籍里向是统称成功「羽虫」。
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