Pigeons fluttered in and out, cooing gently.

鸽子咕咕地叫着，拍打着翅膀飞进飞出。

Then the pigeons flew into thick fog, and the famous homing instinct failed.

然后这些鸽子飞进浓雾中，著名的归巢本能失灵了。

Some, like homing pigeons, can be trained to deliver messages and packages.

其中一些，比如信鸽，可以训练来传递信息和包裹。

It is difficult to train pigeons to escape from a certain situation by pecking.

训练鸽子通过叼啄来脱离某种情境是很困难的。

This morning she had a race flew two hundred miles away with lots of other pigeons.

今天早上，它和许多其他的鸽子参加了一场飞到两百英里以外的比赛。

Despite having a brain no bigger than the tip of your index finger, pigeons have a very impressive visual memory.

尽管鸽子的大脑只有人的食指尖那么大，但它们的视觉记忆力却非常惊人。

The Germans bring in these falcons to kill pigeons; so this was another reason for them, these poor little pigeons who became the sort of sacred bird.

德国人带来了这些猎鹰，用以捕杀鸽子；因此这是他们的另一个原因，这些可怜的小鸽子变成了神圣的鸟。

There was a study using pigeons, where researchers attempted to reduce MSR to a matter of conditioning, that is, they claimed that the ability to recognize oneself in a mirror could be learned.

有一项研究是用鸽子进行的：实验中，研究人员试图把 MSR 归结为条件反射，也就是说，他们声称在镜子里认出自己的能力是可以习得的。

Homing pigeons are pigeons that are specially trained to fly home from somewhere else.

信鸽是经过特殊训练后能从其他地方飞回家的鸽子。

The Wood-pigeons said, "Coo!"

那些斑鸠说：“咕！”

Carrier pigeons have been used to send messages.

信鸽被用来传递信息。

A research center is trying to improve its flying robots with the help of homing pigeons.

研究中心正试图在信鸽的帮助下改进飞行机器人。

In tests, researchers found that homing pigeons were more efficient than flying robots at returning to their home.

在测试中，研究人员发现，信鸽在返回家园方面比飞行机器人更加高效。

Although it will cost more money to raise pigeons, the research center says that it can save time.

虽然养鸽子会花费更多的钱，但研究中心说这可以节省时间。

Gerda related all, from the very beginning: the Wood-pigeons cooed above in their cage, and the others slept.

格尔达从头到尾讲了一遍：斑鸠在上面的笼子里咕咕地叫着，其余的人都睡着了。

Pigeons are often seen as dirty birds and an urban nuisance, but they are just the latest in a long line of animals that have been found to have abilities to help humans.

人们常把鸽子视为肮脏的鸟类或是城市的公害，但他们只是众多有能力帮助人类的动物中的最新一员。

The newly found beads come from a site called the Grotte des Pigeons.

最新发现的珠子来自于塔弗拉尔特遗址。

He lofted his pigeons on the roof.

他把鸽子养在屋顶鸽房里。

Catch two pigeons with one bean.

一豆捕两鸽。

The old man mothered his beloved pigeons.

这老人像妈妈带孩子一样饲养他心爱的鸽子。

Personally I think the pigeons got wise.

但就我来说，我觉得鸽子是变聪明了。

Pigeons peeped in from the window of the attic.

鸽子从顶楼窗户里往外瞧。

Imagine that 3 pigeons need to be placed into 2 pigeonholes.

设想要将3只鸽子装进2个鸽子洞里。

"Are those pigeons from your father's roof-top coop?" I ask her.

我问她“这些鸽子是从你爸爸的屋顶鸽子棚里飞出来的吗？”

And no matter if in fact paradise birds are simply painted pigeons.

就算天堂鸟是简单装扮过的鸽子也不要紧。

The pigeons nodded their heads and began to pick, pick, pick, pick.

小白鸽低下头开始在灰堆里拣起来，一颗一颗地拣，不停地拣！

This was followed by a second session when neither chased away the pigeons.

接下来的第二阶段实验则是两名研究人员都不驱赶这群鸽子。

There are whole streets of mansions boarded up, and palaces for pigeons.

有些地方整条街上都是大宅，还有很多鸽舍。

After all, young pigeons, called squab, have been raised for centuries for food.

毕竟饲养乳鸽(也叫雏鸽)作为食物已有几百年的历史。