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在揪蠕虫。

" Do wild songbirds lay empty eggs? "

野生的鸟会下空蛋吗？

Do wild birds, wild songbirds lay empty eggs?

野鸟，野是否会下空蛋？

In Gaza, they are popular as caged songbirds.

在加沙，作为被关在笼子里的鸟，它们很受欢迎。

I was an intern at the songbird summer playhouse.

我可是在歌鸟夏季剧院实习过的。

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

但对于北知更鸟，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，中莺鸟数量尤多。

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在逐渐消失。

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

而且事实也表明，鸟也是在雏鸟时期习的“二重唱”。

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。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，在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.

这些聪明的鸟是天才模仿者，它们经常模仿它鸟类的叫声。

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

这表明的基因质量可能会显示在它们的歌声中。

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

而现在的一项研究表明，一些黄莺在视觉及声觉方面都较出色。

Like humans songbirds learn to vocalize by imitation.

跟人类一样，也是通过模仿来说话的。

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

但是目前已知有超过660种雌性也会叫的。

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

而仍然有3500种，雌性的叫状态仍未知。

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、刺猬和鸟。

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

“候鸟通常在夜间使用星光来定位它们在天空中的位置。”

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

DDT是为了控制蚊子，很多黄莺和无害的昆虫都被DDT杀死。