At the far south of our planet 远在我们星球的南边
lies the most hostile of the Earth's frozen lands. 地球冰冻土地最敌对的
Antarctica. 南极洲
Here, temperatures can fall 在这里,气温会下降
to below minus 80 degrees Celsius... 至摄氏80摄度以下...
...and winds blow up to 200 miles an hour. 风速高达每小时200英里
Its icy centre is almost devoid of life. 冰冷的中心几乎失去生命
But on the edge of Antarctica, 但在南极洲边缘
some creatures find a way 有些生物会找到办法
not just to survive, but to flourish. 不只是生存,而是繁荣。
Here are some of the greatest concentrations of life 这里就是生命最集中的地方
to be found anywhere on Earth. 地球上任何地方都能找到
The continent of Antarctica 南极洲大陆
lies at the southern end of the globe. 地球的南端
Twice the size of Australia, 面积是澳大利亚的两倍
it's the largest, coldest expanse of land on the planet. 这是地球上最大的最寒冷的陆地
To the north of it, however, 但是,在北部,
across 1,000 miles of ocean, 横跨大洋1000英里
lie the subantarctic islands, 即极地的诸岛,
where conditions are somewhat less hostile to life. 情况对生命的敌意稍小一些。
The largest of them is South Georgia. 其中最大的是南乔治亚州。
Here, a million king penguins live and breed the year round. 这里,一百万只企鹅 活在全年繁殖中
A mother has returned after a month at sea... 母亲在海上待了一个月后回来...
...collecting food for her hungry chick. 收集食物给饥饿的母鸡
At ten months old, chicks are the size of a human toddler, 十个月大时,小鸡大小 与人类幼儿一样大
and covered in no more than a downy fleece. 披上一头破毛的毛发,
Until they get their waterproof feathers, 直到他们拿到防水羽毛
they themselves cannot go to sea... 他们自己不能去海中
...so they have to rely totally on their parents ...所以他们必须完全依赖父母
to bring them food. 以便他们拿食物来给自己吃。
Their time together is brief - 他们在一起的时间是短暂的,
just long enough to disgorge her crop of fish and squid. 足够长的时间去摘除她的鱼和鱿鱼作物
All too soon, 这么快就来了
parents have to return to sea to collect more. 父母必须返回海洋收集更多的食物。
But getting back there can take several hours. 但是回到那里需要几个小时
Hundreds of parents make the commute together. 数百个父母一起通勤
A beak can be used as an ice-pick 圆嘴可以用作冰块
to negotiate the steeper parts of their trek. 谈判他们最陡峭的旅程
This mile-long snow-covered trudge 长长一英里的雪覆盖的长途长雪
is unique to this colony, and has never been seen before. 这片殖民地独一无二 从未见过
At last, the sea. 终于,大海
After several days on land, 数天后,在陆地上,
their feathers need washing to be ready 羽毛需要洗洗才能准备好
for the long days of swimming that lie ahead. 长长的游泳日 前面的前面。
But this is a dangerous place to loiter. 但这里对游荡者来说是个危险的地方
Leopard seals. 豹海豹
Three metres long, 长三米
more than three times the size of a king penguin, 超过企鹅王的三倍
these fearsome hunters are usually solitary. 这些可怕的猎人通常都是单独一人
But at this time of the year, 但在这个时候
in this bay, there are as many as 30 of them. 这座海湾里有多达30个
If these penguins think that they're safe on land... 如果这些企鹅认为他们在陆地上安全...
...they are mistaken. ...他们错了
Any one of these huge seals 任何这些巨大的海豹
can take as many as ten penguins a day. 每天可以吸收多达10只企鹅
Their best chance... 他们最好的机会...
...is to stay with the crowd. ...和人群在一起
There's safety in numbers. 数字安全
Made it. 成功了,我们成功了
Only to return in a month's time... 一个月后回来...
...and once again face death head-on. ...再次面对死亡的正面
This is surely one of the greatest challenges 这肯定是最大的挑战之一
faced by any parent. 父母中任何一方都面临。
1,500 miles off the continent's east coast 离大陆东海岸1500英里
lies another of the tiny outposts 另一座小前哨的谎言
that are vital for the survival of Antarctic wildlife. 它们对南极野生动物的生存至关重要。
The Sub-Antarctic Islands of the Antipodes. 反甲虫亚南极群岛。
In spring, the longer days turn each tiny speck of land 春天,漫长的岁月 将每一片小小片土地
into a potential breeding ground... 进入潜在的繁殖地...
...for the Antipodean wandering albatross. ...安提波德人游荡的信天翁
Its wings are three metres across, 其翼宽三米,
amongst the biggest of any bird. 最大的鸟。
This 14-year-old male 这个14岁的男性
is now mature enough to start selecting a partner. 已经成熟,可以开始选择伴侣。
For the smaller, darker female, 对于较小,较黑暗的雌性,
choosing a suitable mate is of equal importance. 选择合适的伴侣同样重要。
After all, 毕竟
they may stay together for the next 50 years. 他们可能在未来50年内在一起。
To make this crucial decision, 为了作出这一关键决定,
they use one of the most elaborate courtship rituals 他们使用最精心策划的求偶仪式之一
of any sea bird. 任何海鸟。
He begins by sky-pointing. 他从天上指指点点开始
It seems to be working. 似乎起作用了 感觉不错
Next, he attempts a move... 接下来,他试图移动...
...known as the double head-bob. 被称为双头罩
The finale is the real decider. 决赛才是真正的决定者
Synchronised wing-spreading. 双翼同步扩张
She seems impressed. 她似乎很厉害
But another male appears... 但另一个雄性出现了...
...and shows off... 和炫耀...
...his wings. 他的翅膀 翅膀
The greater the span, 宽度越大,
the more attractive he could be. 他更吸引人
But the first male won't tolerate 但第一雄雄性无法忍受
a rival cutting in. 竞争对手的切入。
Yet another hopeful joins in the competition. 另一股希望也加入到这场比赛中。
And another. 再来一个
This was not supposed to be a dance-off. 这不应该是跳舞
She prefers one tango at a time. 她喜欢一次跳探戈
It seems that this is not going to be his year after all. 看来今年毕竟不是他的一年。
But he's caught the eye of another albatross. 但他被另一个信天翁的眼神所吸引
Once again, he begins his courtship display. 他再次开始求偶
But this is, in fact, another male. 但事实上,这是另一个男性。
Regardless, he continues to demonstrate his eligibility. 无论如何,他继续证明自己符合资格。
This could still be the one 可能还是这个
with whom he will share the rest of his life. 他将与他共同享受余生。
On the Antipodes islands, it's becoming increasingly common. 在反波德群岛上,它越来越普遍
Today, there are three times as many males as females. 今天,男性人数是女性的三倍。
Females feed further north than the males, 女性比男性更北边喂食
in waters used by industrial fishing fleets 工业捕鱼船队在水域使用的水
that catch and drown great numbers of sea birds. 捕捉并淹死大量海鸟
As a result, the female albatross here 结果,女信天翁们
is now declining fast. 正在迅速下降。
A same-sex partnership like this 像这样的同性伴侣关系
may bring no survival advantage... 生存不会带来任何优势...
...but is apparently preferable to a life alone. 似乎比一个人的生活更适合
The wealth of life found around Antarctica's lonely islands 南极孤岛周围 发现的生命财富
is evidence of the richness of the waters that surround them. 证明周围水域丰富
The Southern Ocean. 南大洋
It may appear treacherous. 可能看起来很危险
Its gale-force winds certainly create powerful currents. 风能的风势 肯定能形成强大的水流
But all this stirring has an important effect. 但这一切的煽动 都具有重要影响
It brings up nutrients from the depths, 它从深处产生养分,
helping to create some of the richest seas on Earth. 帮助创造地球上最丰富的海洋
And this provides food for the largest animal 食物供应给最大的动物
to have ever lived. 活过
The Antarctic blue whale. 南极蓝鲸
It's more than 30 metres long... 超过30米长...
...but it's rarely been filmed before. ...但以前很少拍到过
Only the Southern Ocean 南大洋,只有南海
can provide the four tonnes of food 提供四吨食物
that the biggest of all blue whales needs every day. 最大的蓝鲸每天需要
This ocean giant was almost hunted to extinction, 这巨人几乎被猎杀
but thanks to an international ban 但由于国际禁止
on commercial whaling, 商业捕鲸,
its numbers are now increasing. 其数量正在增加。
The closer the seas are to mainland Antarctica... 海越靠近南极洲大陆
...the colder they become. 更冷的
Until, a few hundred miles offshore, 直到,几百英里外的海岸,
the ocean's surface freezes solid. 海洋表面冰冻的固体
It forms a cover of sea ice 它形成海冰的遮盖
that is twice the size of Europe 等于欧洲面积的两倍
and encircles the entire continent. 包围整个大陆
This is a stronghold 这里是据点
for one of Antarctica's most remarkable inhabitants. 南极洲最杰出的居民之一
It uses its teeth 牙牙用牙
to prevent its breathing holes from freezing over. 防止它的呼吸孔被冻僵
The Weddell seal. 韦德尔海豹
The most southerly breeding mammal on the planet. 地球上最南端繁殖哺乳动物
This ten-day-old pup 这个十天大的幼崽
is still entirely dependent on his mother. 仍然完全依赖母亲。
Out on the ice, 冰上,
it may be safe from marine predators... 可能不会受到海洋掠食者的威胁
...but within its first two weeks, ...但在头两周内
it will have to venture into the underwater world 将不得不冒险进入水下世界
upon which its future depends. 其未来取决于它的未来。
This is the coldest water on Earth. 这是地球上最冷的水
So it's not surprising 所以并不奇怪
that a pup needs some encouragement. 一只小狗需要一些鼓励
It's time to leave the safety of the breathing hole. 是时候离开呼吸孔的安全了
To catch fish and then safely return, 钓鱼然后安全回来
this pup must learn how to find his way 这小狗必须学会如何找到自己的路
through the maze of underwater ice caverns. 穿过水下冰洞的迷宫
But after just eight minutes... 但过了8分钟...
...his mother signals that it's time to head back. ...他母亲表示是时候回去了
She can hold her breath for an hour and a half. 她可以屏住呼吸一个半小时
But he is already starting to tire 但他已经开始疲倦了
and is running out of air. 空气快没了
On their way back to their breathing hole, 在回到呼吸孔的路上
they hear a sound as loud as a fighter jet. 他们听到的声响声就像战斗机一样响亮
It is the call of a half-tonne male Weddell seal 这是维戴尔海豹的呼唤
announcing that he's on the lookout for a mate. 宣布他正在寻找一个伴侣
She, however, is still producing milk for her pup, 不过她还在为小狗奶
and so isn't sexually receptive. 所以性上无法接受
But he doesn't stop trying. 但他一直努力着
To repel his advances, 为了抵挡他的前程
she leaves her pup's side. 她离开她的小狗的侧面。
But the pup isn't strong enough 但是小狗不够强壮
to haul himself out without his mother's help. 自己拉出来 没有他母亲的帮助。
She tries to fight off the adult male. 她试图打倒成年男性
She's wounded him so seriously 她伤的他伤得这么重
that he is unlikely to be back any time soon. 并且他不可能很快回来
A gentle nudge from Mother 母亲温柔的抚摸
is all an exhausted pup needs 是一个疲惫的小狗需要的
to make it to the safety of the sea ice. 让它成为海冰的安全区
Mothers stay with their pups for six weeks, 母亲们和幼崽一起呆了六周
by which time they're strong enough to fend for themselves. 那时他们足够强壮 能够自食其力
As spring arrives, the sea ice retreats, 春天来临 海冰消融
and in a few places, Antarctica's coast 南极洲海岸
is exposed to the open sea. 暴露在公海上
And that attracts all kinds of animals. 吸引了各种动物
Having spent the winter at sea, 冬天在海上过
chinstrap penguins can now come ashore to breed. 企鹅现在可以上岸繁殖了
Soon, the coast becomes extremely crowded. 很快,海岸变得非常拥挤
But there are ways to maintain social distance. 但有办法保持社会距离
Oh, dear. 哦,亲爱的。
The chicks, until they're eight weeks old, 鸡,直到他们8周大
depend on their parents for food 食物依赖父母
and, critically, warmth. 说到温暖
Meltwater is a particular problem. 熔水是一个特别的问题。
The chicks' feathers are not yet waterproof. 鸡毛还没防水
Getting wet could be fatal. 湿了会致命
A father's duty is to keep his chicks high and dry... 父亲的职责是让小鸡保持高高干燥
...using the only building material available. ...使用唯一可用的建筑材料
Stones. 石头
And suitable ones are precious. 合适的是珍贵的
So it's vital to hold on to every one. 所以坚持每个人的信念至关重要
But while backs are turned... 但是当背部转弯的时候...
...collections are readily plundered by neighbours. ......邻国很容易掠夺这些所得。
With thieves like these around... 周围有像这些贼的贼...
...that stone has just become even more valuable. ...那块石头才刚刚变得更值钱
What's lacking in skill... 缺乏技能的...
...is made up for with persistence. 被固执地弥补
But a parent's labours could be in vain. 但父母的劳动可能白费
Summer temperatures have now been recorded 现在已经记录了夏季气温
as high as 18 degrees Celsius. 摄氏18摄度
As a result, the penguins' carefully constructed platforms 结果企鹅们精心设计的平台
are now being flooded. 洪水正在淹没
There is more meltwater than ever before... 融水比以往任何时候还要多
...and the ground is becoming a quagmire. 地面变得一片泥沼
Downy feathers, 下垂的羽毛,
which are excellent insulation from the cold when dry, 它们在干燥的时候,是用以绝热的隔绝物,
are no defence when wet. 湿湿时不能自卫
Hypothermia sets in. 催眠开始
Over the last 50 years, 过去50年来
the number of chinstraps here has dropped by half. 这里下巴陷阱的数量减少了一半
Antarctica is losing 南极洲正在失去
the very element that defines it. 定义它的要素
Ice. 冰块
That is now diminishing 正在减少
six times faster than it once did. 比以前快六倍
Neumayer Glacier on South Georgia 南乔治亚州南面的内迈耶冰川
has lost nearly six miles of ice in just 20 years. 仅仅20年,冰层就损失了近6英里。
Parts of Antarctica are warming faster than anywhere else 南极洲部分的升温速度比其他地方都快
in the southern hemisphere. 南半球的核电站
And that is having a serious effect 这产生了严重的影响
on the animals that live on its coast, 居住在它的海岸上的动物,
such as the Weddell seal. 象韦德尔海豹一样。
With less sea ice available, 有了较少的海冰
many are now hauling out on land. 许多人现在正在陆地上拖船。
That's not just a problem for them... 这不只是他们的问题...
...but also for the predators 捕食者也得
that specialise in hunting them. 专门猎杀他们
One particular group of Antarctic killer whales, 南极虎鲸中 一种特殊的鲸鱼
100 or so animals strong. 100个左右的动物强大。
Killer whales are among the most intelligent 虎鲸是最聪明的鲸鱼
of all nonhuman predators. 包括所有非人类掠食者
And they're now working out how to tackle prey 他们正在研究如何对付猎物
that isn't a Weddell seal. 这不是韦德尔海豹
An AdÃÂ©lie penguin, resting on the ice. 一只安达莉企鹅 躺在冰上
A mere snack for an adult killer whale... 给成年虎鲸吃点零食...
...but it gives this group of six-year-olds ...却让六岁的孩子
a chance to practise one of their particularly ingenious 有机会练习其中一种特别巧妙的
hunting techniques. 狩猎技术。
Wave washing. 洗波浪
A skill that takes at least 15 years to perfect. 一种需要至少15年才能完善的技能。
First, the killer whales assess the size and position 首先,虎鲸评估大小和位置
of a possible victim. 可能的受害者。
They must then calculate the speed needed... 然后他们必须计算出所需的速度...
...for an attack. 攻击
But they're too late. 但是他们来得太迟了
Even though a co-ordinated flick of their tails 即使他们的尾巴被卷起一圈,
creates a reasonable wave... 创造合理的波浪...
...it's nothing without precision timing. ...没有精确的时机,这没什么
With fewer of their favourite prey of Weddell seals 与较少的他们最喜爱的猎物 韦德尔海豹
resting on ice floes, 仰靠在冰河上,
killer whales now have no choice 虎鲸现在别无选择
but to target new prey. 却要瞄准新的猎物
Crabeater seals. 猛虎海豹
Numbering 15 million, 数字1500万
they're the most abundant marine mammal on Earth. 他们是地球上最丰富的海洋哺乳动物
But they are a far more dangerous target... 但他们是一个更危险的目标...
...than a Weddell seal. ...比韦德尔海豹还强
Stronger... 更坚强...
...and more inclined to fight back. 更倾向于反击
But each member of this pod 但这个舱的每个成员
needs to eat a seal a day. 每天需要吃封条
So the pressure is on to feed. 所以压力是用来喂饱的
They're led by a matriarch 由母权领导
who knows exactly what to do. 谁知道该做什么
Living 100 years or more, 生活100年或100多年,
she has plenty of hunting experience to draw upon. 她有很多狩猎经验可以借鉴
With the ice floe having broken in two, 冰河分两裂
the seals have become more vulnerable. 封印变得更脆弱
The matriarch now pushes the ice floe into open water 母权统治者现在把冰河推向开阔的水面
to give their next wave maximum impact. 以给它们下波最大影响
This requires teamwork and precision. 这需要团队合作和精确。
She makes her final calculations. 她做了最后的计算
This seal has only one way of escaping death. 这封印只有一种方法可以逃脱死亡
Unlike the less muscular Weddell seal, 不像肌肉不那么硬的韦德尔海豹
the crabeater has the strength 捕蟹人有力量
to hurl itself out of the water... 把自己从水中扔出来...
...just in time. 及时
For the killer whales, 对于虎鲸来说
it has been a significant waste of energy. 这是一种严重的能源浪费。
Their need to eat is now greater than ever. 现在,他们比任何时候都更需要吃东西。
A leopard seal. 豹海豹
By far the most ferocious of all Antarctica's seals. 南极洲海豹中最凶猛的海象
Dare this pod tackle him? 敢不敢用这个小艇抓住他?
He's a three-metre adult, 他是一个三米长的成年人
an aggressive hunter in his own right. 一位侵略性的猎人 自己的权利。
Unused to being targeted by killer whales... 不被虎鲸攻击
...the leopard seal makes the mistake 豹海豹会犯错
of leaving the safety of the ice floe. 离开冰河安全。
The killer whales approach the seal with utmost caution. 虎鲸非常小心地接近海豹
Keeping away from its powerful teeth, 远离其强大的牙齿,
they seize it by its tail... 他们抓住它的尾巴...
...and try to drown it. 试着淹死它
The hungry youngsters get to feed first. 饥饿的年轻人先喂饱。
But tackling less-familiar prey is risky, 但是,处理不太熟悉的猎物是危险的,
and starvation is a real danger for these killer whales. 饥饿是这些虎鲸的真正危险
Only time will tell 时间只会告诉
whether these skilful hunters can adjust quickly enough 这些高技能的猎人是否能迅速适应
to survive in this changing world. 活在这个变化的世界里
Beyond Antarctica's rich coastal fringes 南极洲外富饶的沿海边缘
lies a vast frozen interior. 一片巨大的冰冻内地
This is certainly one of the most inhospitable places 这个地方,确是最不宜的地方之一,
for life on Earth. 生命在地球上的生命。
Its icecap, three miles thick in places, 冰盖,三英里厚的地方,
holds almost two-thirds of the Earth's fresh water. 地球淡水的近三分之二 都拥有
The accumulation of snowfalls over millions of years 数以百万计的年积雪
has bedded vast mountain ranges longer than the Himalayas. 长于喜马拉雅山 远超过喜玛拉雅山脉
All that can be seen of them is the tips of their peaks. 他们只得看见他们山顶的点点。
Smoking vents standing 20 metres tall 烟雾喷口,高度20米
hint at the volcanicity that lies beneath the ice sheet. 暗含着火山的特性 位于冰盖下
The recent discovery 近期发现
of more than 20 previously unknown volcanoes 20多起以前未知火山
reveals that Antarctica is 南极洲
one of the most volcanic places on Earth. 地球上火山最密集的地方之一
Almost 4,000 metres high, 近4 000米高,
Mount Erebus is one of just seven volcanoes on Earth 埃里布斯山是地球上七座火山之一
with a permanent lava lake. 与永久熔岩湖。
Less than 1% of this frozen interior 不到这一内冻内置的1%
is free of ice. 冰是无冰的。
But isolated outcrops of rock 但孤立的岩石的外壳
offer sanctuaries for one of the few animals 少数动物之一提供避难所
willing to brave temperatures of minus 30 degrees Celsius. 愿意承受零下30摄氏度的 勇敢温度
The snow petrel. 雪花瓣
They fly 100 miles inland 它们在内陆飞行100英里
in order to breed away from predators. 以便他们远离掠食者而繁殖。
This male gets to work clearing a shallow scrape, 这只雄性能能清理浅薄的刮痕
which he will then line with feathers 以便他用羽毛和羽羽绒,
to give his chick a little protection 给他的小鸡 一点点保护
from the bitter cold. 免遭寒冷的毒害。
But crevices are 但裂缝是
in short supply... 短缺...
...and rivals are ever ready to fight for them. 竞争对手们也准备为他们而战
When aerial combat fails, 当空中战斗失败时
snow petrels deploy another weapon. 雪花再部署另一件武器
Vomit. 呕吐物
It could be lethal. 可能是致命的
If the putrid stomach oil freezes, 如果胃油冻僵了
his flight feathers could stick together. 他的飞行羽毛可以粘在一起
Fortunately, he knows how to clean them... 幸运的是,他知道怎么清理他们...
...with a snow bath. 下雪浴
Now to get on with the task of breeding. 现在继续做种儿育女的任务
From here to the South Pole, 1,000 miles further inland... 从这里到南极 离内陆1000英里远的地方
...conditions become even more hostile for life. 生活变得更加充满敌意
Winds driving over the East Antarctic Ice Sheet 风向飞越东南极冰盖
can reach speeds of up to 200 miles an hour. 速度可达每小时200英里。
As these gale-force winds descend from the ice sheet, 随着这些风从冰原上降下
they pick up both speed and warmth. 速度和温暖都加快了
They create the most arid conditions on Earth. 它们创造了地球上最干旱的条件。
These aren't snowdrifts. 这不是雪地漂流
They're sand dunes. 他们是沙丘
Some of these so-called dryvalleys 其中一些所谓的干法力
have not felt rain in over a million years. 一百多年来没有下雨
Carved by the wind, 被风所雕刻,
strange monuments up to four metres tall 高达四米高的奇异古迹
stand on the desolate valley floor. 站在荒凉的山谷地底
The only life form... 唯一的生命体...
...a mummified crabeater seal 木乃伊蟹海豹
that mysteriously strayed here, 神秘的迷路在这里,
possibly thousands of years ago. 可能几千年前的事了
But if you look hard enough... 但如果你再仔细看的话...
...life can be found in Antarctica's interior. 南极洲的内部可以发现生命
Hidden in the mountains of eastern Antarctica, 藏在南极东部山里的,
Lake Untersee. 温特斯湖
A little over ten years ago, 十年前多一点以前
scientists dived beneath its frozen surface... 科学家潜入冰冻的表面
...and made a discovery that would change our perception 发现改变我们的看法
of the possibility of alien life. 外侨可能存在。
Lying on its lakebed 躺在湖床边
are living structures found nowhere else on Earth. 地球上没有其它生物结构
Giant stromatolites. 巨型的地铁
Standing half a metre tall... 站着半米高...
...their existence down here . ..他们在这里的存在
provides an extraordinary insight 以非言的洞见,
into how life on our planet might have evolved. 进入地球生命的进化过程
These living structures have been built 这些生活结构已经建成
over thousands of years 几千多年
by arguably the most important microorganism on Earth. 被地球上最重要的微生物所吸引
Cyanobacteria. 阴阳杆菌
The very first living organisms to have produced oxygen. 第一批生氧生物
Without them, Earth would have remained uninhabitable 没有它们,地球将无法居住
for higher life forms. 高生命体。
If the building blocks for life can be found here, 如果生活的基石可以在这里找到
in the most hostile place on Earth... 地球上最敌对的地方...
...surely life could exist ...生命可以存在
in the ice-covered lakes of distant planets. 冰封的湖中,有遥远的行星,
Whilst filming in the extremes 极端拍摄时
of Antarctica, capturing the remarkable behaviour 南极洲的,捕捉到非凡的行为
of wave-washing killer whales was to prove 洗浪虎鲸的应证明
the crew's greatest challenge yet. “机组人员面临的最大挑战。
The team set off from the Falkland Islands 团队从福克兰群岛出发
on board the Golden Fleece, 登上金羊毛,
which will be their home for the next month and a half. 下个半月的家将归他们所有。
It's under the command 它处于命令 之下
of Antarctic explorer Dion Poncet. 南极探险家Dion Poncet.
What's the weather like for the crossing? 过桥的天气怎么样?
The first day is good. 第一天是好日子 开始是好事
And then... 然后... . 说...
nothing bad... that we can see... yet... 没什么不好的... 我们能看到... 但是...
To reach Antarctica, they must first cross the Drake Passage - 到达南极洲,它们必须首先穿过德雷克通道 -- --
650 miles of the world's roughest ocean. 650英里 世界上最粗糙的海洋。
Confined to his bunk, executive producer Mark Brownlow 执行制片人Mark Brownlow 的床铺
has yet to find his sea legs. 还没有找到海腿
Destroyed. 毁灭了
Fourth day at sea. 海上第四天
Sick. 生病了。 病了,我生病了吗?
On arrival at the peninsula, 抵达半岛时
their search begins, guided by Leigh Hickmott, 以Leigh Hickmott为指南,开始搜索,
a whale scientist who is part of a 14-year study a 参加14年研究 的鲸鱼科学家
on the only killer whales in the world 世界上唯一的虎鲸上
known to wave wash. 已知的波洗。 <
We now have a greater understanding, 我们现在有了更深的理解,
perhaps, of how small the population is, 或说,关于人口很少,
actually, of these killer whales. 事实上,这些虎鲸
The parent population is about 50 animals. 母种群人口约为50头动物。
So really not very many at all. 实在不是很多
With so few of these highly specialised killer whales 这些高度专业化的虎鲸数量很少
patrolling an area more than half the size of Wales, 覆盖面积超过威尔士面积一半以上的区域,
they head to where they were last sighted. '他们去他们最后的目光所在的地方'
After three days of round-the-clock surveillance, “连续三天全天24小时监视后,
the team finally catch a glimpse. 团队终于看到了一眼。
Found our first killer whales. 发现了我们第一只虎鲸
There's the one we want! Woo! 我们要找的就是这!
Good start. 开始不错
To get shots low to the water, 低到水下,
they launch a gyro-stabilised camera system in a small boat `i>他们用小船发射一个陀螺稳定相机系统
that's only half the length of the killer whales. 只能长半长的虎鲸
Stay still. 别动
That's so cool! 太酷了,你这小子
Definitely feel like we've just been checked out. 绝对觉得我们刚刚被检查了
It's quite intimidating. 吓人
In a filming first, camera operator Bertie Gregory 摄影机操作员Bertie Gregory
launches the drone to capture a new perspective 发射无人机以捕捉新视角
on this hunting technique. 有关狩猎技巧的
We've got four, five killer whales, spy hopping. 我们有四、五条虎鲸 间谍购物
Some are moving away! They might get ready for a wave. 有些人在移动,他们可能准备迎接波浪
There's the first wave! 第一波来了!
That's the breaking wave that's broken the pack in half. 这就是把包团打成两半的断裂波
The seal's in the water! 海豹在水里!
Seal's in the water! He could be in trouble here. 封印在水里 他可能惹上麻烦了
They could just kill the seal cleanly, 他们可以干净地杀死海豹
but they are using the seal to teach their young how to hunt. 但他们却用海豹来教他们 幼童如何狩猎
It's really hard to watch. 很难看
The team's ground-breaking footage 团队的破土镜头
is also providing valuable scientific data, 还提供宝贵的科学数据
contributing to the long-term study 有助于长期研究
of these highly specialised killer whales. 这些高度专业化的虎鲸的。
Animal B-17, she was first photographed back in 2009. 动物B-17,她于2009年首次拍照。
So here she is. 所以她来了
This is a photograph taken during Frozen Planet I. 这是在“冻结星球一”期间拍摄的照片。
If we look on the right, 如果我们看右边
here's a picture that we took during our cruise. 这是在航行期间拍的照片
She's certainly the matriarch of her particular group. 她肯定是她所属群体的母权主义者
We're seeing how she's teaching her offspring 我们正看到她教子孙的
to become this very efficient killer. 成为这个非常高效的杀手
But after such a promising start, “i>但在此充满希望的开始之后,
conditions take a turn for the worse. 条件转而恶化。
The thing that's changed 改变的东西
enormously here is the weather. 这里的天气非常的恶劣
In the past, the peninsula was famous for 过去,半岛曾以
perfect calm, still, 保持完全的平静
bright sunshine, clear skies. 明亮的阳光,晴朗的天空
And... 还有...
...doesn't happen so much. . ..不会发生太多.
And warmer weather here means less sea ice, which could 这里的天气更暖和,意味着海冰减少,这可以
have consequences for the killer whales' `I'对虎鲸 ' 有影响
preferred prey of Weddell seals. 韦德尔海豹首选猎物
There's a cruel irony, really, that we've 有个残酷的讽刺,真的,我们
today found the largest group of Weddell seals, 今天发现了最大的一批韦德尔海豹
but they're on the beach. 但他们在海滩上
They're not on pack ice. And that's potentially 他们不在冰上,这很可能会
because the Antarctic Peninsula is one of 南极半岛是
the most rapidly warming places on the planet. 地球上最迅速变暖的地方
The team film the killer whales 团队拍摄虎鲸虎虎鱼
switching to hunt crabeater seals... 捕食捕蟹海豹的魔咒 <
...but then, something remarkable happens. 『i>... ...但随后,发生了一些了不起的事情。 </i]
They approach one of Antarctica's 南极洲的直冲南极大陆的
most formidable predators, the leopard seal. 最可怕的掠食者,豹海豹。
This is absolutely incredible, 这简直难以置信
because that's really not considered a key prey for them. 因为那真的不 被认为是他们的关键猎物。
Ooh, he's chosen a bad piece. 哦,他选择了一块坏东西。
The ice has split into four... 冰块已经裂成四块...
...and he's chosen the smallest quarter. ...他选择了最小的四分之一
It's phenomenal. 简直是惊人
It's the first time a killer whale 这是第一次虎鲸
hunting a leopard seal has been captured on camera. `I>捕猎豹海豹已被摄像头捕获。
As extraordinary as that is, 与众不同,
it's a sobering indication of the challenges ahead `i>是未来挑战的清醒的表示
for these killer whales. 这些虎鲸的。
I don't think it's too much to say 我不觉得说得太多
that we are facing a climate emergency. 面对气候紧急情况。
There's a real chance that, 确实有可能
as we lose this pack-ice environment, 当我们失去这个连环环境时
that this predator, that has one of the most complex 最复杂的捕食者之一
foraging strategies on the planet, 开发地球上的战略,
is going to be potentially lost. 将会失去它
And that's a tragedy that I, 悲剧是我
in my lifetime, don't want to see. 在我一生中,不想看到
And for our children, most certainly, 对我们的孩子来说,
we can't allow to happen. 我们不能允许发生这种事