雨燕；在旧的分类中，包含于佛法僧目之中。
Swifts ; in former classifications included in the order Coraciiformes .
在某些分类中使用的术语，几乎与佛法僧目相同。
Term used in some classifications as nearly equivalent to the order Coraciiformes .
大部分是树栖鸟类，特别是佛法僧目鸟类。
Chiefly arboreal birds especially of the order Coraciiformes .
佛法僧目佛法僧目佛法僧目