Tail feather of a blue-fronted Amazon parrot, at Institute of Zoology and Zoological Museum, University of Hamburg.
蓝顶亚马逊鹦鹉的尾羽，汉堡大学动物学会和动物博物馆。
Disk tail-feather tip, wobbles during display, Courtesy Peter Mullen, Ph.D.
王极乐鸟尾羽尖端的圈形结构在展示过程中会不断晃动，彼得·穆伦(Peter Mullen)博士惠赠。
The peacock displayed its fine tail feather.
那只孔雀展现其美丽的尾部羽毛。
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