An Old World lark (Alauda arvensis) having brownish plumage and noted for its singing while in flight.

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。

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An Old World lark (Alauda arvensis) having brownish plumage and noted for its singing while in flight.

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。

youdao