流感也可以感染许多不同种类的温血动物，例如鸟类。
Influenza can also infect many different warm-blooded animals, such as birds.
例如，几种鸟类以被放牧牛驱赶的昆虫为食。
For instance, several kinds of birds feed on insects flushed out of the grass by grazing cattle.
例如，与在有遮挡的栖息地的鸟类相比，如果鸟类在风中露宿一晚，它们可能会更多地利用体温调节。
For example, birds may expend more of their reserves on thermoregulation if they spend the night exposed to the wind on a song post than if they are in a sheltered roost site.
例如，鸟类的体型越小，飞行动作就越灵敏——天鹅就需要两个足球场大的面积才能完成起飞和抬升动作，而蜂鸟就可以像直升机一样垂直起飞。
The smaller the bird, for example, the more agile the flying — a swan may need the equivalent of two football fields to take off and get lift, while a hummingbird can rise like a helicopter.
始祖鸟拥有羽毛，它身上既有现代鸟类的特征，也有远古爬行动物的痕迹，例如口中有牙齿，翅膀上有爪子，还有一条硕长的骨质尾巴。
It had feathers and other traits of living birds but also vestiges of a reptilian past, such as teeth in its mouth, claws on its wings, and a long, bony tail.
自然界很多动物捕食大马哈鱼和鳟鱼，例如熊类和个别鸟类。而这些动物由于人类的活动逐渐变得稀少。
Many of the creatures that eat salmon and trout, such as bears and some birds, have had their ranks thinned by human activity.
这些个人或者团体观察鸟类以及它们的栖息地，并提出改进的建议，例如控制猎食者或者保护筑巢地点的安全。
These individuals or groups observe the birds and their habitats and offer tailored Suggestions, such as controlling predators or keeping nest sites safe.
我们用这种方法精确推算了几个已经被充分研究的类群，例如哺乳动物、鱼类和鸟类，来证明这个方法的可信度。
The approach accurately predicted the number of species in several well-studied groups such as mammals, fishes and birds, providing confidence in the method.
例如，在二战围攻列宁格勒时，那些憔悴的市民吃过城里的鸟类、狗和老鼠，在万般无奈之下，最终发生了同类相食的惨剧。
During the terrible siege of Leningrad in World War II, for example, emaciated citizens, having eaten all the birds, dogs and rats in the city, finally resorted to feasting on their own kind.
例如，鸟类大脑智力的中心部位现在被定名为大脑皮层。
For example, the bird's seat of intelligence or its higher brain is now termed the pallium.
某些恐龙明显表现出鸟类的行为，例如筑巢和孵卵。
Some dinosaurs engaged in distinctly birdlike behaviors, such as nesting and brooding.
飞鱼与那些以善于飞行著称的鸟类的滑翔效果不相上下，例如赤肩鹫(3.8)及海燕(4)。
Flying fish are just as effective at gliding as birds that are known for being strong flyers, like red-shouldered hawks (3.8) and petrels (4).
“19世纪人类只有自然化肥可以使用，例如动物粪便，”Litaker说，也就是鸟类、鼠类和海豹的排泄物。
"In the 1800s people had to use natural fertilizers such as guano, " which is the excrement of birds, bats, and seals, Litaker said.
祖克曼和他的工作组去过了很多不同的地方，例如卡塔尔和匹斯堡，他拍摄了大约90种鸟类。
Zuckerman and his team traveled to places as diverse as Qatar and Pittsburgh and photographed about 90 species of birds.
鸟类是从恐龙进化而来的，但羽毛的起源则要追溯到更为久远的上古时代，恐龙和翼手龙的共同祖先才是羽毛出现的源点，例如上图左边的这块化石。
Birds evolved from dinosaurs, but the origin of their feathers may trace back even deeper in time, to the common ancestor of dinosaurs and pterosaurs, like the fossil at left.
人类对生物体的直接开发利用，例如狩猎和收获，让三分之一以上列入名录的鸟类和哺乳动物受到威胁。
Direct human exploitation of organisms, such as through hunting and harvesting, threatens more than a third of the listed birds and mammals.
我们今天的目标是继续对引入的、以鸟类维生的生物例如各种老鼠、鼬的控制。
Our goal for the day is to continue the control of introduced species such as rats, mice and stoats who are preying on birds.
许多鸟类在树林中筑巢。例如，白背啄木鸟和八哥。
In the woods many birds nest. These ones, for example, are white-backed woodpecker and starling.
一些鸟类，例如鹦鹉，会模仿人说话。
Some birds, like parrots, can mimic the sounds of people talking.
“空中炫光”不仅影响人们，特别是天文学家，而且还影响其他的生物体，例如：以星星确定方向的鸟类。
Not only does this "sky glow" affect people, particularly astronomers, but it also affects other organisms, such as birds that are oriented by stars.
由于数量巨大，只列举几个---红木树，海豚，鸟类，野生花卉，例如犰狳这样滑稽动物，北极熊，和陆地龟。
This runs into the thousands, so we will only list a few - redwood trees, dolphins, bird species, wild flowers, comical creatures such as the armadillo, the polar bear, and land tortoises.
鸟类能以它们自己的方式来辨别颜色，因为它们对波长(例如紫外线)具有敏感性。这些波长对于人类来说是看不见的。
Birds see colours in their own way, because they are sensitive to wavelengths, such as ultra-violet, that are invisible to people.
认知不同类型的动物，例如水生动物，鸟类等。
Know different types of animals, such as water animal and bird.
不明身份人士2：例如，靠动物排泄物过活的生活在旷野间的鸟类，这些排泄物中就含有E。大肠杆菌0157。
Unidentified Man II: You could have, for example, field birds feeding on animal fecal material that has E. Coli 0157.
例如，近日一位西班牙鸟类观察者为这里如此众多、形形色色的鸟惊叹不已。
On a recent day, for example, a bird watcher from Spain was overwhelmed by the number and variety of birds.
例如，近日一位西班牙鸟类观察者为这里如此众多、形形色色的鸟惊叹不已。
On a recent day, for example, a bird watcher from Spain was overwhelmed by the number and variety of birds.
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