Some male humpbacks create a new song each year
并与全世界分享
and share it around the world.
这就是文化
This is culture.
抹香鲸“希望” 希望它鲸如其名
And sperm whale Hope, may she live up to her name.
它有机会将家族的故事传下去
She has the chance to pass on her family’s stories. . .
还有它们对本土水域的独特了解
their unique knowledge of their native waters. . .
它们的传统
their traditions. . .
它们的秘密
and their secrets.
蓝宝石美人鱼号♥
感受一下阳光
Feel the sunshine.
我有一点深潜的经验
I’ve had a fair bit of experience diving really deep.
好 坚持住 稳住 各位 保持平稳
Okay. Hang on. Steady, guys. Steady, steady, steady, steady, Donnie. . .
但我需要一艘潜艇来承受这种压力
But I need a sub to do it, to withstand the pressure.
这里是“深海挑战者号♥” 收到吗？完毕
This is Deepsea Challenger. Do you copy? Over.
这些抹香鲸会下潜900米左右
These sperm whales are going down 3, 000 feet,
它们日复一日这样潜入深海
and they’re doing it over and over every day.
它们收起所有鳍 身躯呈漂亮的流线型
They’re so streamlined. They just tuck their fins in.
靠一两个尾部动作来保持前进
One or two tail moves to keep them going.
将它们带到肺部压缩的地方
Get them to where their lungs compress.
然后它们变成头朝下的姿势 就可以下潜
And then they go negative, and then they can just fall.
然后它们可以坠落
They can just fall after that. . .
悄无声息
in stillness.
它们潜水的方式很平静
There’s a peacefulness in the way they dive.
它们必须保存能量 才能到达那么深的地方
They have to conserve their energy to get down to that depth. . .
1000米以下
two-thirds of a mile down.
漆黑一片 一片漆黑 只能利用声音
Pitch black. Utter darkness. Using only sound.
只能通过声音去探索周围的世界
Seeing the world around you only through sound.
这些抹香鲸能发出230分贝的脉冲声
These sperm whales can emit 230-decibel sound pulse.
它们发出那种强音时 如果靠近它们
I mean, that would blow our eardrums in if we were adjacent to them
我们的耳膜会被震裂
when they fire that thing off.
哇！厉害啊
Wow! That is awesome.
这就是它们深潜的目的
This is what they’re going down there for.
这是一只不算巨型的大王乌贼
It’s not a giant, giant squid.
不算很大的大王乌贼 但绝对是大王乌贼
Not a very big giant squid, but it’s definitely a giant squid.
真的很重
It’s really heavy.
所以在弱光层中
So way down in the twilight zone. . .
下面有着数量惊人的生物
you have this incredible biomass down there.
这种就超大！
These are huge.
这是在水柱中每日来回的大迁移
And this is the great diurnal migration up and down through the water column.
下面的所有磷虾和各种浮游动物
You know, all that krill and all that zooplankton down there.
还有以它们为食的乌贼
And the squid are feeding on that.
然后抹香鲸会潜入这个区域捕食乌贼
And then the sperm whales drop down into that territory and feed on the squid.
它们的交流方式很神奇 是通过咔哒声
So, it’s amazing how they’re communicating with these clicks
复杂的音符串和密♥码♥曲来进行
and these complex sequences, codas which we don’t know how to decipher yet. . .
我们还不知道该如何破译
但这些声音中包含大量信息
but they could carry a tremendous amount of information.
或许有一天 我们将能够破译它们的语言
Maybe someday we’ll be able to decipher their language
并与它们交流 那样是不是很神奇？
and communicate with them. Wouldn’t that be amazing?
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