地球的夜晚（2020）

黑暗
Darkness...
带来危险
...brings danger.
在地球上最少屏障的平原上
And on the Earth’s most exposed plains...
无处可藏
...there’s nowhere to hide.
我们使用新技术
Using new technology,
可以窥入黑暗
we can see into the blackness.
这是世界上最大的沙漠和草地
To discover a hidden side to the world's great deserts...
我们要去探索它们隐秘的一面
and grasslands.
夜间的世界
Nocturnal worlds...
充满恐惧
-full of fear...
还有奇迹
...and wonder.
在这里
Where life...
生与死
and death...
由月之光主宰
...is governed by the light of the moon.
猎豹被视作独居动物
Cheetahs are known as solitary,
白日猎手
daytime hunters.
人们曾以为 日落就是它们活动结束的信♥号♥♥
Sunset was thought to signal the end of their activity.
但这一群猎豹才刚刚开始
But this gang of cheetahs are just getting started.
它们在入夜之后的活动从未拍到过
What they do after dark has never been filmed.
这是第一次
Until now.
剧名：丛林的夜晚
月圆之夜
The full moon.
光线恰好够
Just enough light for ultra-sensitive cameras
超敏感摄像机能够揭示非洲大草原
to reveal the African savanna...
仿佛白昼一般
as if it's day.
这五只雄豹打算出去夜间巡逻
These five males are heading out on night patrol.
只有看天空中的星星 和马赛人村庄的灯火
Only the stars in the sky and the lights of Maasai villages
才知道这是夜里
show that it’s night.
聚集在一起 它们能更好地守护领地
Together, they can better defend their territory.
并捕杀更大的猎物
And take on larger prey.
有五张嘴要吃
With five mouths to feed...
它们捕猎动力十足
they're driven to hunt...
在深夜出击
deep into the night.
这是猎豹群中最能干的猎手
This is the gang's most accomplished hunter.
它能以每小时100公里的速度冲刺
He can sprint at over 100 kilometers an hour.
但它需要光才能看见猎物
But he needs light to see his prey.
月圆之夜是它最好的机会
The bright nights around the full moon are his best chance.
它的爆发力很强
His speed is explosive.
但跑不远
But only over short distances.
它必须靠近猎物
He must get close.
圆月的光帮助猎豹捕猎
The light of the full moon helps cheetahs hunt.
但也会使它们暴露
But it also exposes them.
多数捕猎都会以失败告终
Most hunts end in failure.
它们必须不断尝试
They must keep trying.
以前很少有人相信 猎豹在入夜后还会捕猎
Few people believed that cheetahs could hunt after dark.
现在 这已毫无疑问
Now... there's no question.
黑暗带来机会
Darkness brings opportunity.
但也带来危险
But it also brings danger.
体重比猎豹重七倍
Seven times heavier than a cheetah,
视力比我们强六倍
and with vision six times more sensitive than our own,
狮子是黑夜之王
lions are the kings of the night.
它们能够杀死猎豹
They can kill a cheetah.
但首先得抓得住猎豹
But they have to catch them first.
猎豹在夜间的成功与否 取决于月亮
The cheetahs’ nocturnal success depends on the moon.
再要有这样的好机会 就是好几周之后的事了
Hunting won't be this good again for weeks.
每个月只有几个明亮的夜晚
There are only a few bright nights every month.
满月的月光比太阳暗40万倍
Full moonlight is 400,000 times dimmer than the sun.
但还是能够看到
But still enough to see by.
连续14天 月光变暗
Over 14 nights, its brightness fades.
直至新月
Until the new moon,
这时 夜会更暗1000倍
when nights can be 1,000 times darker.
在开阔的平原上 每一晚都会带来不同的挑战
On the open plains, each night brings a different challenge.
非洲大草原变得更暗了
The African savanna is getting darker.
热成像摄像机能够看透最黑的夜
A heat-detecting thermal camera can see into the blackest of nights.
揭示出黑暗下隐藏了什么
And reveals what’s hiding in the darkness.
一只母狮 和由13头狮子组成的狮群正在捕猎
A lioness and her 13-strong pride are on the hunt.
它们眼睛中的反光膜 将仅有的光予以放大
A reflective layer in their eyes amplifies what little light there is.
狮子捕杀猎物 九♥成♥是在夜间进行
Ninety percent of lion kills happen at night.
但这个狮群还处于挣扎之中
But this pride is still struggling.
它们之中超过一半是年幼的狮子
Over half of them are youngsters.
饥饿又没有经验
Hungry and inexperienced.
夜越来越黑 应该会使捕猎变得容易一些
Darkening nights should make things a little easier.
但选择正确的目标需要经验
But picking the right target takes experience.
选择有很多
There are lots of options.
白天炎热 河马泡在水里乘凉
Hippos keep cool in water during the heat of the day,
只有夜里才出来吃草
only coming out to graze at night.
一般认为它们的夜视能力 比我们强不了多少
It is thought that their night vision is not much better than ours,
所以它们很难看到危险来临
so it's hard for them to see danger coming.
但这些一吨♥重的厚皮坦克
But these thick-skinned, one-ton tanks...
并不是这些年轻的家伙能对付的
are more than these youngsters can handle.
要不找小一点的吧
Something smaller, perhaps.
豪猪
A porcupine...
还带了两只幼崽
with two babies.
这是一次惨痛的经验教训
A painful lesson.
永远不要低估母亲保护宝宝的决心
Never underestimate a protective mother.
这个年轻狮群的生存 取决于领头的母狮
This young pride’s survival depends on its lead lioness.
它有经验 能不能捕杀到猎物 就看它了
With experience on her side, she's their best hope of making a kill.
月色越来越暗
As the moon continues to wane,
它必须利用好这最黑的夜
she must make the most of the blackest nights.
受到月亮影响的 不仅是动物
It's not only animals that are influenced by the moon.
墨西哥灼热的沙漠中炎热非凡
It gets so hot in the scorching Mexican desert...
以至于许多仙人掌只在夜里开花
many cacti only bloom at night.
夜里凉快多了
It's much cooler,
但是没有鸟和蜜蜂来传播花粉
but there are no birds or bees to spread their pollen.
仙人掌需要特别的夜间协助
Cacti need special nighttime assistance.
花开时 花的芬芳
As the flowers open, their sweet fragrance
和反射月光的花瓣 成了信标
and moonlight-reflecting petals act as a beacon.
通过视觉、嗅觉和回声定位
Through sight, smell and echolocation,
墨西哥长舌蝙蝠飞向花朵
Mexican long-tongued bats hone in on the flowers.
它们的舌头几乎和身体一样长
And with tongues almost the length of their bodies,
它们伸出舌头 去舔花朵深处甜甜的花蜜
they lap the sugary nectar deep within.
这些小蝙蝠每年迁徙数百公里
These tiny bats migrate hundreds of kilometers each year,
跟着花开而行
following the opening blooms.
与此同时 它们帮助仙人掌繁衍
And as they do so, they help the cacti reproduce.
飞行中在花朵之间传授花粉
Carrying pollen from flower to flower as they fly.
这样的合作关系
This partnership is fundamental
对索诺兰沙漠中的生命来说 至关重要
to life here in the Sonoran Desert.
高耸的仙人掌提供了食物和庇护所
Towering cacti provide food and shelter.
帮助使这里成为 地球上最具生物多样性的沙漠
Helping to make this the most biodiverse desert on Earth.
虽然这里有大量不同的生命
But despite the vast variety of life here,
但在这里生活并不容易
it isn't an easy place to live.
灼热的太阳
The scorching sun
意味着很多沙漠动物只在夜间出没
means many desert animals only come out at night.
紫外线揭开了隐秘捕手的面纱
Ultraviolet light reveals hidden hunters.
一只巨毛蝎
A giant hairy scorpion.
蝎子在紫外线下为什么会发光 仍是一个谜
Why scorpions glow under ultraviolet light is still a mystery.
食蝗鼠可能还是避开为好
A tiny grasshopper mouse might want to steer clear.
两只蝎子相互盯着对方 以交♥配♥的姿势锁住
Locked in a mating embrace, this pair is focused on each other.
母蝎子在考验雄蝎子的力量
The female is testing the male's strength.
它没看上
She's not impressed.
许多动物会尽量躲避毒蝎子
Many animals try to avoid venomous scorpions...
但这只小老鼠不会
but not this little rodent.
它是吃蝎子的专家
He's a scorpion eating specialist.
它的身体
His body
能够阻挡最毒的蝎子毒素造成的痛苦
can block the pain from even the most lethal scorpion toxins.
毒刺卸下
Sting disarmed...
蝎子解体
scorpion dispatched...
它占领了领地
he claims his territory.
它的叫声在静夜中可传到一百米外
His cry carries over a hundred meters in the still night air.
入侵者小心了
Intruders beware.