Then the birds came and ate it all up.
然后鸟儿飞来，全部给吃光了。
Then the birds began, and the village woke up.
然后鸟儿们开始歌唱，村庄也醒来了。
When insects can't get the right plants to eat and they die off, then the birds don't have enough bugs for their meals.
当昆虫无法得到适合的可食植物时便会死去，这样一来鸟类便没有足够的食物。
If parent birds use begging intensity to direct food to healthy offspring capable of vigorous begging, then parents should make food delivery decisions on the basis of their offsprings' calls.
如果雏鸟双亲是根据雏鸟乞食的叫声响亮程度来把食物分给叫声响亮的健康雏鸟的话，那么鸟类双亲就是根据雏鸟乞食声音来决定如何分配食物的。
The birds flew around and then resettled on the pond.
鸟儿飞来飞去，然后落在池塘边上。
One of the concrete ways people have been doing this is by cleaning up polluted habitat areas and then replanting native flowers that humming birds feed on.
人们一直以来采取的保护蜂鸟栖息地的具体措施之一是清理受到污染的栖息地，然后重栽蜂鸟赖以生存的花草。
The birds' waste then fertilizes fields.
随后，禽类的粪便可以肥沃田地。
They should then be able to gauge the extent to which individual birds depend on using sticks to feed themselves.
这样他们应该能够衡量出每只鸟在多大程度上依赖枝条来养活自己。
He filled the feeder with seeds, put it in his backyard and then birds started coming.
他在喂食器里装满了种子，把它放在后院，然后鸟儿开始飞来。
The next flu pandemic may be hibernating in an Arctic glacier or frozen Siberian lake, waiting for rising temperatures to set it free. Then birds can deliver it back to civilization.
未来的流感大流行可能蛰伏在北极冰川或冻结的西伯利亚湖泊之中，等到气温升高就会复活，然后由鸟类重新传播到文明世界。
Then they jumbled up syllables within each song and replayed these versions to the birds.
接着他们打乱每段歌唱的音节，重新为受试验的小鸟播放这些新版本。
If even the bees and birds were so busy at work, then I, a human being, should be ashamed of being idle.
甚至连小鸟和蜜蜂都在忙着工作，我，作为一个人，应该为无所事事而感到羞耻。
"They sneak up on the birds, grab them and then strangle them with their hands and feet," Knight says. "This is totally new stuff."
“他们偷偷靠近小鸟，抓住小鸟，然后连手带脚地扼死猎物，”奈特说，“这完全是新的课题。”
Hardly fastidious homemakers, the birds raise their nestlings in the dark on a layer of tiny fish bones regurgitated as pellets, then shattered with a perfunctory peck.
而亲鸟是几乎不会挑剔的主妇，它们会堆砌起细小的鱼骨头，然后很随意的捣碎这些堆砌物，在这层层鱼骨头形成的阴影里喂养嗷嗷待哺的小鸟。
The birds are stunned prior to bleeding and then passed through either scalding water or a steam tunnel and through rotating devices with rubber scrubbers to remove feathers.
禽只击晕放血后，先后经过热烫槽或蒸汽通道，以及装有旋转橡胶刮片的脱毛机。
They classified the birds as those that breed in the heart of the city or those that avoid the hustle and bustle. And then they compared the bird brains.
他们将城市中心繁殖的小鸟和远离喧嚣的小鸟分开来比较它们的大脑。
Then, a few more days later, when the parent birds came back with food, their little ones told them again, "This is the end!"
过了几天，有一次当小鸟父母带食物回来时，它们的小孩又说：“哎呀！”
I have this theory that, to us the world is a flat thing we stand on, but to birds it is a cliff they cling to, a huge ball and they cling to the side and then fall off and fly and glide.
我有一种想法，就是对我们来说世界是一个我们所站立的平坦的东西，而对鸟来说是一个它们所依靠的峭壁，一个巨大的球，它们依靠在边上，然后离开、飞翔、滑行。
Researchers speculated that, for the disease to spread so far so quickly, birds must have helped. Some species could carry the disease and pass it on to mosquitoes, which would then infect humans.
由于它的传播范围广，传播速度快，那时的研究者们推测是鸟类在从中作梗，他们认为某些鸟类能携带病毒并把它传给蚊虫，之后，蚊虫将病毒带给人类。
We ate our picnic lunch on the lawn of the museum, and then plunged in again for birds and alligators and Neanderthals.
我们在博物馆的草坪上野餐，午饭后，又一头扎进去，去看鸟类短吻鳄和穴居人。
Then there were darkness blacker than before, and silence; and when he returned to consciousness the sun was high and the wood vocal with songs of birds.
闪光过去，是比刚才更黑的黑暗，还有死寂······等他清醒过来，太阳已经升得老高了，森林里到处是鸟的叫声。
In each experiment, the birds were presented with the same songs until they became familiarized with the tune. The researchers then created novel songs by shuffling the notes around.
在每一次实验里，研究人员对文雀们播放同一首歌直到它们熟悉这首歌的调子，然后把歌的音符打乱编成一些新歌。
As the birds' eggs started to hatch, they removed both the nestlings and the nests from the boxes. They microwaved the nests to kill any parasites and then returned both nests and nestlings.
在鸟蛋开始孵化时，他们将雏鸟和巢一同取出，用微波照射鸟巢，以杀死所有的寄生虫，然后再将雏鸟和巢放回鸟箱中。
Rupp spent the last four years collecting chicken and turkey bones, and then meticulously assembled them into life-size representations of extinct birds.
在过去的四年中，拉普收集鸡和火鸡的骨头，然后小心翼翼地将其拼成等大的灭绝鸟类形态。
And the birds of the air came near and mourned for Snow-white; first the owl, then the raven, and at last the dove.
天空着的鸟儿也来到附近悼念白雪；开始是猫头鹰，然后是乌鸦，最后是鸽子。
He also taught birds unnatural grammatical rules by habituating them to one of his jumbled versions, then gauging their reactions to remixed versions that violated the "artificial" rules.
他也通过使小鸟习惯某段被打乱的歌唱而教小鸟异常的语法规则，接着判断它们对那些违反“人为”规则的打乱版歌唱的反应。
Each morning my eldest son puts out food for the birds and then we sit and wait.
每天早上，我最大的孩子就会给鸟儿喂食，然后我们坐下来，等待着。
Each morning my eldest son puts out food for the birds and then we sit and wait.
每天早上，我最大的孩子就会给鸟儿喂食，然后我们坐下来，等待着。
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