(in a bird's tail)each of the smaller feathers covering the bases of the main feathers
(鸟尾部的)覆羽。
n. 覆羽
Tail covert, display, Institute of Zoology and Zoological Museum, University of Hamburg.
尾部覆羽,展示用,汉堡大学动物学会和动物博物馆。
Tail covert, fan display, Institute of Zoology and Zoological Museum, University of Hamburg.
尾部覆羽,用于开屏展示,汉堡大学动物学会和动物博物馆。
(in a bird's tail)each of the smaller feathers covering the bases of the main feathers
(鸟尾部的)覆羽。