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

你或许清晨自己的院子里看见这些鸣禽揪蠕虫。

" Do wild songbirds lay empty eggs? "

野生的鸟会下空蛋吗？

I was an intern at the songbird summer playhouse.

我可歌鸟夏季剧院实习过的。

Do wild birds, wild songbirds lay empty eggs?

野鸟，野鸣禽否会下空蛋？

In Gaza, they are popular as caged songbirds.

加沙，作为被关笼子里的鸣鸟，它们很受欢迎。

But it's especially well-documented in North American songbirds.

但对于北美知更鸟，这类记录尤为详尽。

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，其中莺鸟数量尤其多。

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

本世纪初，人们普遍认为百灵鸟正逐渐消失。

And, it turns out, same goes for songbirds in learning their duets.

而且事实也表明，鸣鸟也鸟时期学习的“重唱”。

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，其生命中的有些时候会需要昆虫。

The pointy-headed songbirds are talented mimics, often copying the vocalizations of other bird species.

这些聪明的鸣鸟天才模仿者，它们经常模仿其它鸟类的叫声。

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它们的歌声中。

Now a study shows that some songbirds are in fact show-offs in sight and sound.

而现的一项研究表明，一些黄莺视觉及声觉方面都较出色。

Like humans songbirds learn to vocalize by imitation.

跟人类一样，鸣禽也通过模仿来说话的。

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

但目前已知有超过660种雌性也会鸣叫的鸣禽。

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。

The filter data identified many different life forms, including grasses, fungi, deer, hedgehogs and songbirds, Littlefair said.

利特费尔说，从过滤器中获取的数据识别了许多不同的生命形式，包括草、真菌、鹿、刺猬和鸣鸟。

" Migratory songbirds normally use starlight to orient where they are in the sky at night, " Williams said.

“候鸟通常夜间使用星光来定位它们天空中的位置。”

It was part of a project to control mosquitoes. Many songbirds and harmless insects were killed by the DDT.

DDT为了控制蚊子，很多黄莺和无害的昆虫都被DDT杀死。