The bright plumage of many male birds was thought to have evolved to attract females.
许多雄鸟的鲜艳羽毛被认为是为吸引雌鸟而进化来的。
For example, the ostrich has plumage that is so constructed that the feathers are long but not too dense.
例如，鸵鸟的羽毛构造使它的羽毛长而不密。
Emu is a large Australian flightless bird, similar to the ostrich but with three-toed feet and grey or brown plumage.
鸸鹋是一种大型的澳大利亚不会飞的鸟，类似于鸵鸟，但是有三趾的脚和灰色或棕色的羽毛。
A male bird of paradise may put himself in the limelight by displaying his spectacular plumage in the best stage setting to attract a female.
一只雄性天堂鸟可能会在最佳的场合中展示他华美的羽毛使自己成为关注的焦点，从而吸引雌性。
The team made a skeleton, covered the bones with a clay body, and added plumage made of pheasant feathers trimmed to match impressions preserved in fossils.
团队制作了一个骨架，骨架上覆盖着和骨头和粘土肉体，再添加上翅膀，翅膀是由雉鸡羽毛制作的，羽毛经过修剪来符合化石中保留的印记。
A crowlike Old World bird of the genus Pyrrhocorax has black plumage and red legs.
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。
Any of migratory songbirds of the family Turdidae usually have brownish upper plumage.
任何一种鸫科迁徒鸟类的上部羽毛通常为褐色。
The bird ruffled its plumage and shook itself.
这只鸟弄乱羽毛，抖动着身体。
Their bright plumage and beautiful songs delight us.
它们明艳的羽毛和优美的叫声给我们视听上的享受。
Have you seen the brightly-coloured plumage of tropical birds?
你见过热带鸟类色彩斑斓的羽毛吗？
These birds are famed for their dazzling plumage and courtship displays.
极乐鸟因华丽耀眼的羽毛和求偶时的殷勤而闻名。
This sort of love is a recollection of lily petals and the plumage of the dove.
这种爱情是一种百合花瓣和白鸽羽毛的收藏。
Their tails are quite short and they don't have very beautiful colored plumage .
它们的尾巴很短，而且不用很漂亮的彩色羽毛。
Carrion crow: a common European crow (Corvus corone) having glossy black plumage.
小嘴乌鸦：一种普通的欧洲乌鸦(小嘴乌鸦)，有光滑的黑色羽毛。
These birds are best known for their loud cackles, four-toed feet, and brilliant plumage.
这些鸟是人所共知的因为它们的大声咯咯的叫，四个-有趾的脚，和灿烂的羽毛。
A small north american quail ( colinus virginianus) having brown plumage with white markings.
北美洲一种小鹌鹑（山齿鹑），羽毛呈褐色，有白斑。
The average let them plot each plumage as a dot on a graph with three axes-red, green and blue.
在红绿蓝三维坐标系上用小点绘制了平均羽毛颜色的散点图。
Feathers don't last forever. So birds periodically shed their plumage and then sprout replacements.
鸟的羽毛不会永远光洁如新，鸟类必须周期性的进行换羽，长出新的羽毛。
Scientists say the find shows that key features of the plumage were present quite early on in penguin evolution.
科学家表示这项发现表明羽毛的特征在企鹅进化的早期就已经存在。
There he saw with much wonder and envy a flock of royal Peacocks in all the glory of their splendid plumage.
在那里他看见一群有着美丽羽毛的孔雀，令他又惊异又嫉妒。
The peacock has to accept his raucous voice but he can still 'strut his stuff' and display his beautiful plumage.
孔雀得要承认自己声音是沙哑的，不过，他照样还是可以去“炫耀”，去展示出自己美丽的羽毛。
Emu: a large Australian flightless bird, similar to the ostrich but with three-toed feet and grey or brown plumage.
鸸鹋：一种大型的不能飞的澳大利亚鸟，类似于鸵鸟但是足有三趾，灰色或棕色的翅膀。
With this criterion, it's not surprising that male plumage would grow more and more elaborate over the generations.
这样一来不难发现，雄性鸟的羽毛随着一代代演变，毛色长得越来越美丽出众。
A Central American bird that has brilliant bronze-green and red plumage and, in the male, long flowing tail feathers.
大咬鹃一种中美洲鸟，羽毛为鲜艳的铜绿色和红色，雄鸟有平滑的长尾覆羽。
In the world's temperate zones, where drab plumage is the norm, this kingfisher, unlike its North American cousins, bedazzles.
在温带，通常的鸟类羽毛都是灰褐色的，而翠鸟不同于它的那些北美亲属，它美得让人眼花缭乱。
The clearest and most striking of the specimens can be seen to have four wings, extensive plumage and profusely feathered feet.
其中最清晰、最引人注目的化石标本上，可依稀看出它有四个翅膀、全身羽毛分布广泛、连脚上都被有羽毛。
The clearest and most striking of the specimens can be seen to have four wings, extensive plumage and profusely feathered feet.
其中最清晰、最引人注目的化石标本上，可依稀看出它有四个翅膀、全身羽毛分布广泛、连脚上都被有羽毛。
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