Balaenid whales, such as the bowhead, have long, springy plates with a delicate fringe.

一是露脊鲸科——比如弓头鲸，其鲸须板长而富有弹性，上面长着精细的流苏状鲸须。

Each individual bowhead will come up with their own song and improvise new ones all the time.

每只弓头鲸都会唱自己的歌，并随时即兴创作新的歌曲。

Stafford and other scientists compared the bowheads' songs to jazz music.

斯塔福德和其他科学家将弓头鲸的歌曲比作爵士乐。

Until now it's the bowhead whale you've hunted, and it won't risk going past the warm waters of the equator.

您以前捕捉的都是平常的白鲸，它并木敢冒险通过赤道的温热海水。

And ocean dwelling animals like bowhead whales and narwhals aren't immune to these changes either.

弓头鲸和独角鲸等海洋动物也不能幸免于这些变化。

In the past they've scanned an eel, a bowhead whale fetus, and even a shark.

过去，他们扫描过鳗鱼、弓头鲸胎儿，甚至鲨鱼。

Scientists have studied the bowhead whale, to see if they have different versions of genes than other mammals.

科学家们研究了弓头鲸，看看它们是否具有与其他哺乳动物不同的基因版本。

When a species becomes endangered, like the bowhead, there can be no justification for any tradition, any culture.

当一个物种像弓头鲸一样濒临灭绝时，任何传统、任何文化都没有理由存在。

The title of longest-lived mammal goes to another Arctic species: the bowhead whale, which was an estimated 211 years old.

寿命最长的哺乳动物的头衔属于另一种北极物种：弓头鲸，估计有 211 岁。

One hypothesis states that bowheads might be singing so many songs because different populations are mixing together and bringing all their different songs to the mix.

有一种假设认为，弓头鲸会唱这么多歌，是因为不同的鲸群在融合到一起，要把所有它们不同的歌曲融合到一起。

Instead of the ringed seals they ate out on the ice, the bears are foraging on bowhead whale carcasses, cast up on the beach.

它们不再在冰上捕食环纹海豹，而是开始以被冲上海滩的的露脊鲸尸体为食。

Those animals are only members of the genus Balaenoptera furnished with dorsal fins, and like sperm whales, they're generally smaller than the bowhead whale.

这些东西不过是鲸科，有脊鳍的动物，大头鲸也一样。它们通常比普通白鲸小一些啊！

Mice and rats reach the end of their lives after just four years, while for the bowhead whale, Earth's longest-lived mammal, death can come after 200.

老鼠们的寿命不过4年。但是对于地球上寿命最长的哺乳动物 弓头鲸来说，死亡在200年后才会发生。

Nelson Nungasat is captain of a whale hunting team. They rely on stable, thick ice to harpoon the 25 bowhead whales they're allowed to take each year for food.

Nelson Nungasat 是捕鲸队的队长。他们依靠稳定、厚实的冰来用鱼叉捕杀他们每年获准捕食的 25 头弓头鲸。