Do wild birds, wild songbirds lay empty eggs?

野鸟，野鸣禽是否会下空蛋？

He was a warbler and flying very low over the water.

那是只鸣禽，在水面上飞得很低。

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鸟类属于鸣禽，其中莺科鸟数量尤其多。

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

这是鸣禽类特有的，鸡类就没有这特点。

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。

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

这表明鸣禽的基因质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动物而言，夜晚才是适的时间。

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、蜂鸟和鸣禽。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。

It's less parsimonious to assume that the ancestors of ostriches, chickens, and songbirds all evolved feathers independently.

不太简约地进行假设的话，就是鸵鸟、小鸡和鸣禽的祖先都独立进化出羽毛。

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因，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 第十一集 {\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数千英。

Living side by side with their fellow birds, pigeons and songbirds.

与其他鸟类、鸽和鸣禽一起生活。