走失的幼狮
The missing cub.
大家又都回到了一起
All back together again.
终于可以饱餐一顿了
Finally, a chance to feed.
这是幼狮们第一次尝到肉的滋味
This is the first time these cubs have tasted meat.
它们成长着 每过一个夜晚 就向独♥立♥又迈进一步
With each night, they grow closer to independence.
到了隆冬 食物短缺
By mid-winter, food is so scarce
以至于动物们必须想方设法
that animals must find ways to survive months of near starvation.
在几乎绝食的几个月中存活下来
Some hibernate,
有些冬眠 让身体消耗最少能量
their bodies burning minimal energy.
但林鼠并没有这种能力
But wood mice don't have that option.
这只林鼠怀孕了
And this one is pregnant.
它在秋天存下的食物已经耗尽
The food stores she laid down in the fall are now exhausted.
它必须在寒夜寻找食物
She must search for food in the cold night.
黑暗是它抵御捕食者的唯一保护
Darkness is her only protection from predators.
因为有雪 要在林地上找到食物就更难了
Snow makes it harder to find food on the forest floor.
必须到别处去找了
She must search elsewhere.
一棵空心树 值得一探
A tree hollow is worth investigating.
而且这里也更暖和
And it's warmer here too.
别人已经在此躲避
Others have already claimed this refuge.
一群蜜蜂
A colony of honey bees.
和它一样
Like her,
蜜蜂不冬眠
they don't hibernate.
它们可以依靠存储的蜂蜜度过冬天
They can feed through the winter on stored honey.
虽有严寒 但它们的食物供给并未冰冻
Despite the cold, their food supplies haven't frozen.
数以千计的蜜蜂震动翅膀
Thousands of bees vibrate their wing muscles,
产生出足够的热量保持蜂巢温暖
generating enough heat to keep the hive warm.
但这会消耗它们大量的能量
But it's a huge drain on their energy.
个体牺牲 确保蜂群的生存
Individual sacrifice ensures the colony's survival.
这个好机会 绝不可错过
This opportunity is too good to pass.
刺一下就可能杀死林鼠
A sting could kill her,
但很幸运 蜜蜂们太冷了 无法攻击
but, luckily, the bees are too cold to attack.
它需要的一切都在这里
Everything she needs is here.
温暖 食物
Warmth, food,
还有安全
and safety.
在漫长的冬夜 这里是开始一个新家庭的完美所在
The perfect place to start a new family during the long winter night.
斯瓦尔巴的晚冬
Late winter in Svalbard.
从十月起 太阳就没有升起过
The sun has not risen since October.
气温惯常地落到摄氏零下40度之下
Temperatures regularly drop below -40 degrees Celsius.
微光摄像机揭开这个冰冻世界
A low-light camera reveals this frozen world.
北极熊母亲为了搜寻食物 能够在24小时内前进达80公里
The mother polar bear can cover up to 80 kilometers in 24 hours in her search for food.
带上小熊就不容易了
Not easy with cubs in tow.
小伙子似乎对打耍更感兴趣
The young male seems more interested in play fighting.
但它们好多天没吃了
But they haven't eaten in days.
母亲必须捕猎
The mother must hunt.
它需要隐秘
She needs stealth...
而不是两只吵闹的幼崽
...not two noisy cubs.
黑暗提供了掩护
The darkness gives cover.
但脚步在海冰上发出回响
But footsteps resonate across the sea ice.
这响声足以提醒警觉的海豹
Enough to alert a wary seal.
但还有其他动物隐藏在冰之中
But there are others hiding within the ice.
它有出色的嗅觉 能够闻到它们的味道
With her incredible sense of smell, she seeks them out.
北极熊用其巨大的力量打破冰面
Polar bears use their immense strength to break through the surface.
至少三分之二的捕猎行动会失败
But at least two-thirds of hunts will end in failure.
小熊们找上了麻烦
The young cubs have found trouble.
一只年少的熊
An adolescent bear...
捕杀了猎物
on a kill.
孤身的熊并不会不作争斗就放弃美食
The lone bear will not give up his meal without a fight.
它体型更大
-He's larger...
速度更快
...and faster.
这样的战斗可能会致命
These battles can be lethal.
母亲前来营救
Mother comes to the rescue.
零碎的食物吃下去 不久又饿了
Scraps will not satisfy their hunger for long.
小熊们虽然快成年了
The cubs may be close to full grown,
但它们还缺少独自生存的技巧和力量
but they still lack the skill or strength to survive without their mother.
极夜并不是吞噬一切的黑暗
The polar night is not an all-consuming darkness.
天堂有魔法
In the heavens there is magic.
太阳发出的电子轰击地球
Electrons cast from the sun bombard the Earth.
电子打到大气层 其能量变成光
As they hit the atmosphere, their energy turns into light.
照亮南北极周围的磁场线
They illuminate the magnetic lines that arc around the poles.
形成极光
The auroras.
但这微弱的光
But this faint glow is little help
对在地上寻找食物的动物没多少帮助
for animals looking for food on the ground.
它们必须依赖其他感觉
They must rely on other senses.
在斯堪的纳维亚的松林里
In the pine forests of Scandinavia,
有一种生物 具有近乎超自然的能力
there's a creature with almost supernatural powers.
它的鼻子比寻血猎犬灵敏一倍
Her nose is twice as keen as a bloodhound's,
能够闻到血下两米尸体的气味
sensitive enough to sniff out a carcass two meters under the snow.
看到狼獾是很稀罕的事
A wolverine is a rare sight.
在1000平方公里中 或许只有十只
There may be just ten within 1,000 square kilometers.
宽大而又毛茸茸的脚
Broad, hairy feet glide over
能在最深的雪上滑行
the deepest snow.
它寻找食物 一夜前行可达40公里
She travels up to 40 kilometers a night, searching for food.
它能够拿下♥体♥型十倍于己的猎物
She can take down prey ten times her size.
但它灵敏的感觉都关注于一项任务
But her incredible senses are all focused on one task.
食腐
Scavenging.
寒冬已经把困难的工作完成了
Winter has taken care of the hard work.
它的嘴强而有力 能咬碎骨头
Her jaws are so strong they can crunch through bone.
狼獾在地球顶部圆环的冰冻土地上
Wolverines thrive in the frozen lands encircling
茁壮成长
the top of the world,
从俄♥罗♥斯♥到加拿大
from Russia to Canada.
它们将冬天的挑战变为自己的优势
Turning the challenges of winter to their advantage,
成为北方长夜中真正的高手
they have become true masters of these long northern nights.
即便在靠近两极的纬度
Even at extreme latitudes,
也不会永远都是冬天
winter doesn't last forever.
随着阳光进一步进入北半球
As the sun passes further into the northern hemisphere,
白昼变长 黑暗给光明让道
day length increases and darkness gives way to light.
随着阳光变强
With the strengthening sun,
新生活开始 而艰辛则慢慢被遗忘
new life begins and hardships are slowly forgotten.
但是再往北
Further north still,
黑暗停留的时间还是要稍长一些
and the darkness hangs on a little longer.
然后
Then...
最后
at last...
白昼终于来到了斯瓦尔巴的山上
day finally breaks over the mountains of Svalbard.
三个月来第一次 北极熊感受到了太阳的温暖
For the first time in three months, the bears feel the warmth of the sun.
对忍♥受了冰冻夜晚的所有动物来说
For all animals that have endured the frozen night,
这都是一个受欢迎的变化
it's a welcome change.
环斑海豹爬出冰面 在晨光下休息
Ringed seals haul out to rest in the morning glow.
在日光下
In the light of day,
熊妈妈必须用尽浑身本领
the mother bear will have to use all of her skill.
这样的一顿大餐 能够满足全家好多天的需要
A meal like this will sustain the family for days.
现在
Now,
它们终于可以放松了
finally, they can afford to relax.
它们还能再一起游泳的机会 已经不多了
This will be one of their last swims together.
在一周之内 小熊将与母亲分开
Within a week, these cubs will have separated from their mother.
独自谋生
Left to fend for themselves.
生活不易
It won't be easy.
由于全世界天气条件 变得越来越不稳定
As weather conditions across the world become increasingly erratic,
所以不可能预测它们未来会是如何
it is impossible to predict what their future holds.
但是现在
But for now,
这个家庭在地球上的最长之夜中 生存了下来
this family have survived the longest night on Earth.
全球各处
All around the planet,
黑夜使动物们面临巨大挑战
night presents animals with extraordinary challenges...
同时也有机遇
...and opportunities.
我们对地球上 某些最具标志性动物的理解
Our understanding of some of the most iconic creatures on Earth
已经在重新定义
is already being redefined.
地球的夜晚
Who knows what other secrets there are to uncover...
还会揭示什么别的秘密 又有谁知道呢?
during a night on Earth?