红嘴山鸦东半球的一种似乌鸦的山鸦属鸟类，有黑色羽毛和红色的腿部。
A crowlike Old World bird of the genus Pyrrhocorax has black plumage and red legs.
处于东半球的大部分国家不承认国籍出生地主义；
Most countries outside the Western Hemisphere do not recognize birthright citizenship;
云雀：东半球的一种雀（云雀云雀属） ，羽毛褐色，以其在飞行时发出的叫声闻名。
An Old World lark (Alauda arvensis) having brownish plumage and noted for its singing while in flight.
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