Do wild birds, wild songbirds lay empty eggs?

野，野鸣禽是否会下空蛋？

You may have seen these songbirds in your yard in the morning, pulling up worms.

你或许在清晨自己的院子里看见这些鸣禽在揪蠕虫。

But more than 660 species of songbirds are known in which the females sing as well.

但是目前已知有超过660种雌性也会鸣叫的鸣禽。

Ninety-seven percent of all birds killed are songbirds, especially warblers.

百分之九十七的遇害类属于鸣禽，其中莺量尤其多。

And there are still 3,500 species of songbird in which the female singing status is unknown.

而仍然有3500种鸣禽，其雌性的鸣叫状态仍未知。

That are specialized in them that you don't find in things like chicken.

这是鸣禽类特有的，鸡类就没有这个特点。

Suggesting that the quality of a songbird's genes may be revealed in its tunes.

这表明鸣禽的量可能会显示在它们的歌声中。

But for many migrants-like smaller songbirds-nighttime is the right time, when it comes to migration.

但是，对于小型鸣禽等众多迁徙动物而言，夜晚才是适合迁徙的时间。

Pinnipeds-walruses, seals and sea lions. And parrots, hummingbirds and songbirds. That's it.

再加上海象、海豹和海狮等鳍足亚目动物，以及鹦鹉、蜂和鸣禽。全部就是这些。

Over 90 percent of songbirds actually need insects at some point in their life.

实际上有超过百分之九十的鸣禽，在其生命中的有些时候会需要昆虫。

Like humans songbirds learn to vocalize by imitation.

跟人类一样，鸣禽也是通过模仿来说话的。

It's quite possible. A large repertoire in songbirds has been shown to be advantageous in numerous ways related to reproduction.

很有可能。鸣禽的多样曲目已被证明在与繁殖相关的许多方面有益。

Songbirds could provide a window to the origins of speech disorders caused by autism strokes and Parkinson's disease.

鸣禽可以作为借鉴，让我们弄清楚语言障碍的原，中风和帕金森症都可以引发语言障碍。

Wait. You're saying our uncle is still alive?

{\an8}宾夕法尼亚州布拉德福德市 鸣禽路2125号第三季 第十一 {\an8}我们的生活等等 你是说我们的叔叔还活着吗？

At the beginning of the century songbirds were supposed to be disappearing.

在本世纪初，鸣禽本应消失。

They take the place of songbirds at a pinch.

它们在紧要关头取代了鸣禽。

Songbirds can migrate for thousands of miles across the globe.

鸣禽可以在全球范围内迁徙千英里。

The fairy wren is a small Australian songbird.

仙女鹪鹩是一种小型澳大利亚鸣禽。

They're also partial to doves,   waterfowl, shorebirds, and songbirds.

它们也偏爱鸽子、水禽、滨和鸣禽。

Just like humans have to learn to talk, songbirds aren't just born singing—they have to learn to carry a tune.

就像人类要学习说话一样，鸣禽也不是天生就会唱歌，它们也要学习唱歌不走调。