wagtail

• 鹡鸰，一种旧大陆的小型鸟类，特征是尾巴细长，行走时常上下摆动尾巴。

A small Old World bird characterized by its long tail, which it frequently jerks up and down while walking.

1. Small bird with a long tailB2formal

   A small, slender Old World bird with a long tail that constantly bobs up and down as it walks or runs.

   鹡鸰

   • A wagtail was hopping along the riverbank, its tail bobbing.
   • We spotted a grey wagtail near the stream.
   • The wagtail's distinctive tail movement makes it easy to identify.