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

有些像信鸽一样，可以接受培训以传递消息和包裹。

There is an interesting history of using homing pigeons to collect intelligence.

有一段使用信鸽收集情报的有趣历史。

So, the next time your cellphone crashes, give a salute to your neighborhood homing pigeon.

所以，下次你的手机崩溃时，向你的邻居信鸽致敬。

One of the beautiful things about a homing pigeon, of course, is it will always come back.

当然，信鸽的好处之一是它总会回来。

That is also where we get homing pigeons -- pigeons that can find their way home after being released.

这也是我们用到信鸽的地方。信鸽被放出来后可以找回回家的路。

Scientists took a closer look at the forebrain of homing pigeons and owls and found nerves there that connect horizontally and vertically.

科学家们仔细观察了信鸽和猫头鹰的前脑，发现里面有水平和垂直连接的神经。

I check on the 34 homing pigeons.

我检查了 34 只信鸽。

A lot of homing pigeons also have what is called magnetite in their beaks and magnetoreceptors in their nervous system or brains.

很多信鸽的喙中也有所谓的磁铁矿，神经系统或大脑中有磁感受器。

The animal also known as a homing pigeon has been used for centuries to quickly and reliably carry information over hundreds of miles.

这种被称为信鸽的动物，数百年来一直被用来快速、可靠地传递信息。

And right up until the invention of the telegraph, in 1844, homing pigeons remained the fastest way to send messages across long distances.

直到 1844 年电报发明之前，信鸽一直是远距离发送信息的最快方式。