His plumage was beautiful now, and he felt great.

他的羽毛现在变漂亮了，他感到很高兴。

Selection for gaudy plumage therefore works in both directions.

因此绚丽羽毛在自然选择上往两个方向发展。

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。

Against the snowy backdrop, its plumage would have been near impossible to spot.

在白雪的背景下，它们的羽毛难以被发现。

Instead, they have dark brown feathers with varying amounts of white streaks in their plumage.

相反，它们的羽毛呈深棕色，并掺着不同数量的白条纹。

Their plumage changes little with the seasons and their nests are easy to spot against the exposed tundra soil.

它们的羽毛几乎不随季节而变化，而它们的巢穴在苔原上裸露的泥土映衬下极易被识。

First, the team had to devise a way to deal with the 11,966 types of plumage they had set out to examine.

首，团队设计了要调查的11,966种羽毛的方法。

The size of a swan, with magnificent scarlet-and-gold plumage, he swished his long tail and blinked benignly at Harry.

个头有天鹅那么大，鲜红的和金色的羽毛光彩夺目，它摇动长长的尾羽，友善地朝哈利眨着眼睛。

Female birds look for signs of fitness that range from the flamboyant plumage of the peacock to the bizarre dances of birds of paradise.

雌鸟择偶的标准通常会从如孔雀般华丽的羽毛到鸟类的奇异舞蹈等等。

The differences between the species' songs may be cultural, and have come about after the split. But the differences in plumage are clearly genetic.

这两种物种间鸣啭上的差异可能是由文化造成的，而且是在物种分裂之后产生的，但羽毛上的差异显然是遗传的。

Other studies have shown that birds with orange and red plumage are similarly less creeped out by orange and red clothing.

其他研究表明，有橙色和红色羽毛的鸟类同样也不太会被橙色和红色的衬衫吓到。

Banks of gorgeous flowers were on every hand, and birds with rare and brilliant plumage sang and fluttered in the trees and bushes.

斜坡上长满了奇异的花草，鸟儿披着罕见美丽的羽毛唱着歌儿，在树林里和灌木丛中自由地飞舞。

Its bright red plumage and black mask, as well as its cheerful song, make the cardinal one of the most easily identifiable birds in the United States.

它鲜亮的红色翅膀，黑色面部，以及悦耳振奋的叫声，使之成为美国辨识度最高的鸟类之一。

There is a little brown sparrow, resembling the hairbird, save a general tint of russet in his plumage, that may be heard distinctly among the warbling host.

与梳妆鸟在一起的还有一种小小的棕色麻雀，除了羽毛上普遍的赤褐色外，它的叫声在一群鸟中间很容易区分开来。

He stroked the phoenix's beautiful scarlet-and-gold plumage.

他抚摸着凤凰美丽的金色和红色羽毛。

They have the ability to drink sea water thanks to a gland that extracts salt from their blood. And waterproof plumage allowing them to weather even the most ferocious ocean storms.

它们能够饮用海水，这是因为体内有一种能够盐分从血液中吸收出来的腺体，而防水的羽毛使它们能够抵御即使是最猛烈的海洋风暴。

In the winter, goldfinches shed most of their colorful plumage and become olive or brown in color, so it can be easy to miss them at your feeder!

冬天，金翅雀会褪去彩色的羽毛，变成橄榄色或者棕色，所以很不容易在喂食器周围发现它们！

The brown color variant is the genetically dominant form of plumage in this species, but historically, the recessive pale gray variant triumphed because of its selective advantage in helping these predators blend in.

这种棕色变异是这种物种的显性性状，但历史上，是浅灰色隐性性状占了上风因为这些有选择性的特殊的优势，这些捕食者得以融入环境。

Fawkes, Professor Dumbledore's phoenix, was standing on his golden perch beside the door. The size of a swan, with magnificent scarlet-and-gold plumage, he swished his long tail and blinked benignly at Harry.

邓布利多教授的凤凰福克斯栖在门边的金色栖木上，个头有天鹅那么大，鲜红的和金色的羽毛光彩夺目。它摇动长长的尾羽，友善地朝哈利眨着眼睛。