And I am the Unalaska Visitor's Bureau executive director.

我是乌纳拉斯卡候鸟办公室执行董。

Soon he'll be a " Freebird" . This winter, he'll be a " snowbird" .

很快它就能恢复自由了。今冬天，它就是候鸟了。

And Scientists have found the European nightjars, migratory birds, that travel between Europe and Africa, feed twice as much than moon-lit night.

科学家发现，欧夜鹰这类在欧洲和非洲之间迁徙候鸟平时食量是月夜两倍。

In 1917, the Canadian Parliament passed the Migratory Bird Convention Act.

1917，加拿议会通过了《候鸟协定法案》。

Both types of birds were protected by the Migratory Bird Treaty Act.

这两种鸟类都受到候鸟条约法保护。

Temperatures begin to cool and migratory birds set off on their southward journeys.

气温渐凉，候鸟踏上南迁旅程。

The birds that we find are typically neo-tropical migrants.

我们发现鸟类是典型新热带候鸟。

Its bows take the form of a beak, with two large painted eyes evoking the traditional seafarers' belief that the bird's image would help sailors return safely, like the migrants that return each spring and autumn.

船首采用了鸟喙形状，旁边有两只彩绘眼，唤起船员们传统信念，鸟形象会帮助船员平安归来，如同候鸟每春秋归来。

The area's shallow salt lagoons are home to thousands of migratory birds as well as flocks of flamingos like these, whose bright pink plumage stands out against the arid landscapes of Bolivia's Altiplano region.

该地区浅盐泻湖是成千上万候鸟和成群火烈鸟家园，这些火烈鸟明亮粉红色羽毛与玻利维亚Altiplano地区干旱地貌形成鲜明对比。

On top of this, many migrating birds are land-lubbers at heart.

最重要是，许多候鸟本质上是陆鸟。

Every spring, migratory birds flood back to where they breed.

每春天，候鸟都会涌回它们繁殖地方。

Migrating birds need to store calories to prepare for their end-of-season trips.

候鸟需要储存卡路里，为季末飞行做准备。

It also provides nutrients to millions of migrating birds that can show up on radar.

同时也为数以百万计候鸟提供营养，这些候鸟可以在雷达上显示。

Most migratory species travel at night, when lights near buildings can distract or disorient them.

多数候鸟在夜间飞行，那时建筑物附近灯光会分散它们注意力或使它们迷失方向。

Cryptochrome has been found in the eyes of several migratory birds.

们在一些候鸟眼睛里发现了隐色体。

The Nordic countries provide a home to millions of migratory birds.

北欧地区是数百万候鸟容身之地。

And the birds, the migrating birds, I think, had a massive impact on these hunter-gatherers.

还有形形色色鸟，各种候鸟，肯定会对当时那些狩猪采集者产生多么巨影响。

If you want to help protect migratory birds, go to BirdCast.

如果您想帮助保护候鸟，请访问 BirdCast。

The blackcap (Sylvia atricapilla), a migrant bird common in Europe that breeds in gardens, once had virtually no avian malaria but a study in 1999 showed nearly 4% had the disease.

黑头莺在欧洲一种常见候鸟，它们生活在很多公园里，实际上它们曾经并没有禽虐感染，但是1999一项研究显示，几乎4%黑头莺感染了这种疾病。

Earlier springs that confuse migratory birds, more efficient farming and the conversion of dilapidated buildings (good for nesting) into modern homes have all contributed to these woes.

造成这种灾患原因包括迷惑候鸟早春，更高效耕种以及危房（适宜筑巢）向现代房屋转变。