So it's very unusual for us to have a beluga here.

所以这次我们在这里遇到一头白鲸，这是很不寻常的。

Early sailors called belugas " sea canaries" .

早期的水手们称白鲸为“海洋高音”。

Chicago's Shedd Aquarium is celebrating the arrival of a brand new baby beluga, its first beluga calf in seven years.

芝加哥谢德水族馆正在庆祝白鲸宝宝的诞生，这是这家水族馆7年来第一只新生白鲸幼崽。

Life has come full circle for two beluga whales in Iceland.

在冰岛，两头白鲸的生活圆满了。

And caviar from the beluga sturgeon is the most exclusive of all.

所有鱼子酱中欧洲鳇鱼子酱是最独特的。

It's very rare for a beluga whale calf to become separated from its mother.

白鲸幼崽与母亲分开实为罕见。

Local residents reported that the beluga was extremely tame and enjoyed being petted.

当地居民报告称，这只白鲸极其温顺，喜欢大家的抚摸。

Then they measured the beluga's brain response using an electrode on the animal's head.

随后他们利用放置在白鲸头上的电极测量了它们的大脑反应。

Yeah.Come on. Me and, uh, some beluga, caviar? Can’t get enough of the stuff.

当然啦，我跟贝尔加鲟鱼鱼子酱 我吃这玩意没个够啊。

These beluga whales became stranded when the ocean turned to ice in autumn.

这些白鲸在秋季海面结冰时被困在这里。

Bowheads, belugas and narwhals head for open water on the southern edge of the Arctic Ocean.

弓头鲸、白鲸以及角鲸纷纷向北冰洋南端的开阔水面游去。

This hefty size allows polar bears to hunt large powerful animals like walruses and beluga whales.

庞大的体型可捕杀例如海象、白鲸类的力量型动物。

These belugas live in a relatively pristine environment, which might explain why they aced the hearing test.

这些白鲸生活在相对原始的环境中，这或许可以解释为什么它们在听力测试中表现优异。

A Russian naval analyst, Mikhail Barabanov, downplayed any links the beluga might have with the Russian military.

俄罗斯海军分析师Mikhail Barabanov对白鲸和俄罗斯军队之间的可能关联一笔带过。

This is the first beluga from Cook Inlet that we have been able to do a hearing test on.

这是来自库克湾的第一头白鲸，我们已能为他做一个听力测试。

And the same might go for belugas as the volume slowly rises in the underwater Arctic.

而随着北极水下音量逐渐上升，白鲸的听力也会受到影响。

The narwhals are swiftly followed up to coast of Greenland by pods of beluga whales.

白鲸动作迅速地尾随在角鲸群后来到格陵兰海岸。

And older belugas seemed to have less age-related hearing loss than aging dolphins screened in previous studies.

与此前研究中检查的年长海豚的听力相比，年长白鲸的增龄性听觉损失似乎更少。

These belugas have been attacked by many bears over the last six months. Some have been caught.

这些白鲸在最近的六个月里曾经遭到许多北极熊的袭击。有些甚至被捉到。

So one way to tell if all that noise is affecting belugas: capture them for a routine physical.

捕获几只白鲸做常规体检。