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1·The blue sky and white clouds, hope pigeon flying freely.

蓝天和白云一样，希望白鸽自由地飞翔。

2·One blue pigeon sitting on a wall.

一只蓝色的鸽子蹲坐在一堵墙上。

3·From the plebeian pigeon to the rarest bird of all. The Spix's macaw, or the little blue macaw, may be the most endangered bird in the world.

从最普通的家鸽到最罕见的鸟类中，斯皮克斯金刚鹦鹉，又叫做小蓝金刚鹦鹉，绝对是世界上最为濒危的鸟类。