当画眉鸟夫人离开巢穴去捉虫子回来喂养她的孩子们的时候，就有四张小画眉鸟的嘴巴和一张巨大布谷鸟的嘴巴大张着。
When Mrs. Thrush leaves the nest to get a worm and comes back to feed her young, there are four little thrush mouths and one huge cuckoo mouth.
研究人员把16只鸟按顺序4只排成一排，发现外面的鸟在32%的时间里处于半睡眠状态，而内部的鸟只有12%的时间处于半睡眠状态。
Rotating 16 birds through the positions in a four-duck row, the researchers found outer birds half-asleep during some 32 percent of dozing time versus about 12 percent for birds in internal spots.
那些大部分时间都在攀爬树干的鸟会有着特别弯曲的第三个趾头，而那些经常在树枝间跳跃的鸟则弯曲不大，那些主要在陆地上寻觅食物的鸟则都不弯曲。
Those that forage mainly on the ground have the least curved of all.
不论群里有多少鸟，每只鸟的飞行的方向和速度，同其他鸟的方向和速度都是不变化的。
Regardless of size, the correlations of a bird’s orientation and velocity with the other birds’ orientation and velocity didn’t vary.
利用合适的补给品：每个观鸟者都知道他们需要一个好的野外向导和准确的视觉来观察鸟，但夏季观鸟需要额外的装备。
Use Proper Supplies: Every birder knows they need a good field guide and the right optics to see the birds, but summer birding requires some additional equipment.
这间房间都是鸟，有飞的姿态的，有永远停在树枝上的，有鸟的头，鸟的毛皮。
This room is full of birds.Birds in simulated flight, birds perched eternally on branches, birdheads, bird skins.
有很多很多的特征证明着‘郑氏晓廷鸟’和‘始祖鸟’只是一种叫做恐爪龙类的恐龙的种类，而不是鸟。
There are many, many features that suggest that Xiaotingia and Archaeopteryx are a type of dinosaur called Deinonychosaurs rather than birds.
但在让鸟重新找寻储备的食物前几分钟，研究人员们又用这些鸟已经储备的第二种食物将这些鸟喂得饱胀。
But minutes before allowing the birds to recover their stash, the researchers fed the birds to satiety with that second food-the one they had already stored.
河岸走廊，茂密森林和僻静峡谷是完美的观鸟目的地，这是更凉爽去享受观鸟的地方，这里也同样受到莺科鸟和许多鸣禽的欢迎。
Riparian corridors, thick forests and secluded canyons are perfect birding destinations that are cooler to enjoy but are still popular with warblers and many songbirds.
有很多很多的特征证明着‘郑氏晓廷鸟’和‘始祖鸟’只是一种叫做恐爪龙类的恐龙的种类，而不是鸟。
There are many, many features that suggest that Xiaotingia andArchaeopteryx are a type of dinosaur called Deinonychosaurs rather than birds.
经过再三地深思熟虑，史蒂文深信由于他从地上捡起了这只鸟，因此小鸟身上覆盖着“我们人类”味道，因此鸟爸爸鸟妈妈必将会抛弃它。
After much deliberating, Steven being convinced that because he had picked up the bird, it's parents would abandon the bird because "our" scent was all over it.
对于一个狂热的观鸟爱好者，没有什么能比看到一只没见过的或者罕见的鸟、或者是学会通过特征区分各个鸟种更令人激动的了。
For an enthusiastic birder, nothing is more exciting than spotting a new or rare bird, or learning to distinguish individual birds through their personalities.
旅游：热衷观鸟的人参与观鸟节、聚会，到著名的观鸟景点旅游，只为了在他们的观鸟名单上增加新的物种记录。
Travel: Enthusiastic birders will travel to festivals, conferences and superior birding destinations to keep adding new species to their life lists.
鸟人们常常计划参与观鸟节旅行以便看到更多的鸟，他们也可能会上一些摄影或者基础鸟类学的课程来帮助扩展他们的知识并让观鸟这个爱好更加有趣。
Birders often plan travel to festivals to see more birds and they may take photography or basic ornithology classes to expand their knowledge and enjoyment of the hobby.
更为有趣的是，不是所有的鸟都用这种方法保护它们的食物——只有那些曾经偷吃其它鸟的食物的鸟才会这样。
Even more interesting, not all jays protected their food that way-only those that had previously raided other birds' stores.
夏季时进行野外观鸟的绝佳时间，而最好的观鸟者知道怎样在夏季不危害鸟类的同时来观鸟和降温防暑。
Summer is a fabulous time for taking a birding field trip, and the best birders know how to take advantage of summer birding and beat the heat at the same time without endangering the birds.
这是一些非常有激情的观鸟者，他们很积极地努力为自己的观鸟名录上增添更多的鸟种。他们走南闯北，走遍所有有稀有或罕见鸟类报道的地方。
These passionate birders actively seek to add more birds to their life list, and they may travel extensively when rare or unusual birds are reported.
观鸟是一项极好的爱好，若你在合适的季节准备，并且知道在哪里能发现鸟，观鸟将会使你在一整年的大部分时间感到愉快。
Birding is a great hobby and it can be enjoyable at any time of year if you are properly prepared for the season and you know where to find the birds.
人人都说，“一鸟在手胜过十鸟在林。”但是我说，“一鸟一羽毛胜过十鸟在手。”
But I say, “A bird and a feather in the bush is worth more than ten birds in the hand.”
第一种被确认的大型鸟则是卡岗杜亚鸟，它生活在约7000万年前的法国南部地区，这种鸟也有可能不会飞行而且长得像鸵鸟。
The first to be identified was Gargantuavis philoinos, which lived in southern France around 70 million years ago. It too may have been flightless and ostrich-like.
上个月，因弗内斯城的小学生们发现一只一直关注的红风筝鸟停止了运动——他们将卫星定位装置绑在一只鸟腿上，并通过英特网观察鸟的飞行。
Last month primary-school children in Inverness became concerned when a red kite-whose movements they had been watching over the Internet via a satellite-linked tag on the bird-stopped moving.
啄木鸟在啄木头的时候，每秒头部向树撞击20次，你估计觉得这样它会需要一个坚如钢铁的脑袋来得以生存，但事实上，啄木鸟的脑袋是相对较软的，每只啄木鸟在出生时，鸟喙后长有一个软的海棉状的物质，用来吸收啄木头时所产生的震动。
Instead, the reality is that woodpecker heads are relatively soft. Each bird is born with a soft, sponge-like mass behind its beak that absorbs the shock created by pecking.
我在前世也许是一只鸟。--如果你是一只鸟，那我也是一只鸟。《手札情缘》。
Maybe I was a bird in another life. ---If you're a bird, I am a bird.
我叫布谷，布谷鸟的布，布谷鸟的谷。我曾是一只住在森林的布谷鸟。我要给你讲一个故事，一个发生在森林的故事。
I'm cuckoo, cuckoo cloth cuckoo valley. I was living in a forest cuckoo. I'll tell you a story, a story of the forest.
尽管模仿鸟可以极好的模仿很多鸟的歌声，尽管如此还是可以通过听觉线索来辨认出是模仿鸟。
Although th mockingbirds superbly mimic the songs and calls of many birds, nonetheless they can also be quickly identified mockingbirds by certain aural clues.
野生保护区在国内和国际上闻名遐迩，是主要的观鸟胜地，成千上万的水鸟、陆鸟和岸鸟迁徙时在此停留。
The Wildlife refuge is nationally and internationally renowned as a prime birding spot where thousands of water, land and shorebirds stop during migration.
鸟妈妈不会因为你对鸟宝宝的触摸而抛弃她的幼儿，鸟妈妈们爱她们的宝宝。
Touching baby birds doesn't make their mothers reject them, mamas love their babies.
鸟妈妈不会因为你对鸟宝宝的触摸而抛弃她的幼儿，鸟妈妈们爱她们的宝宝。
Touching baby birds doesn't make their mothers reject them, mamas love their babies.
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