Earth is a restless place. 地球是一个动荡不安的地方.
Its seasons driven by the orbit around our sun. 季节变化是由围绕太阳的公转决定的.
An epic journey that sets the rhythms of all life. 一段史诗般的旅程决定了所有生命的节奏.
Humans honour this passage through ritual and celebration. 人类通过仪式和庆祝来纪念这一时刻.
Nature marks the cycle with its own patterns. 大自然用自己的模式来记录这一循环.
Over the course of a year, 在一年的时间里,
the planet's most spectacular events of migration, 地球上最壮观的迁徙行动,
rebirth and transformation unfold. 开始了重生与蜕变.
Moment by moment, 每时每刻,
month by month, 月复一月,
throughout a wild year on Earth. 在地球上狂野的一年里.
狂 野 地 球
三月 – 四月
重生季节
It's spring time in the northern hemisphere. 现在是北半球的春天.
A time of renewal. 复兴的时期.
And nowhere is that more evident than here in Japan. 这一点在日本最为明显.
A wave of blossoming cherry trees, 一阵阵樱花盛开,
known as the Sakura Zensen, 被称为樱增森,
is slowly flowing north. 慢慢地向北流动.
Like many beautiful things,it's transient. 就像许多美丽的事物一样,它是短暂的.
Each tree only blooms for a few days. 每棵树只开几天.
For Japanese Buddhists,its ephemeral nature signifies more than just the arrival of spring. 对日本佛教徒来说,它的短暂性不仅仅意味着春天的到来.
It also signifies the fleeting nature of all life. 它也象征着所有生命转瞬即逝的本质.
For others,it's just a great selfie. 对其他人来说,这只是一个伟大的自拍.
Every year,millions of people come here to picnic beneath its flowering canopy. 每年,数以百万计的人来到这里,在花冠下野餐.
As spring brings this glorious burst of life in the south of Japan, 春天在日本南部带来了生命的灿烂爆发,
a more subtle awakening is happening further north. 更微妙的觉醒正在更北的地方发生.
Here in the volcanic lakes of Hokkaido, 在北海道的火山湖里,
whooper swans have been resting over winter. 大天鹅在冬天一直在休息.
This white,frozen world is where they've come to find warmth. 这个白色的,冰冻的世界是他们找到温暖的地方.
But Hokkaido is not only a land of ice. 但是北海道不仅仅是一块冰雪之地.
It is also one of fire. 这也是一种火灾.
Powerful volcanic thermals underground release heat in surface pools. 地下强大的火山热在地表池中释放热量.
The water here can reach a steamy 50 degree Celsius. 这里的水可以达到50摄氏度.
The swans are known locally as,'the angels of winter.' 天鹅在当地被称为“冬天的天使”
Their time here has come to an end. 他们在这里的日子已经结束了.
As the days get longer,they're called northward. 随着白天越来越长,它们被称为向北.
Flying almost 3,000 km from Japan, 从日本飞近3000公里,
their breeding grounds in Siberia. 它们在西伯利亚的繁殖地.
And they're not the only travellers. 他们不是唯一的旅行者.
All around the world, 全世界,
animals are on the move, 动物在移动,
driven by seasonal forces bigger than us all. 受比我们都强大的季节性力量驱使.
In Southern India, 在印度南部,
it is the middle of the dry season. 现在正是旱季的中期.
There has been little rain for two months. 已经两个月没下雨了.
Food and water is becoming scarce. 食物和水越来越少.
A problem for those with big appetites. 对那些胃口大的人来说是个问题.
At 50 years of age, 50岁的时候,
this Asian elephant matriarch is the oldest member of her herd. 这头亚洲象的女族长是她兽群中最老的成员.
She knows that without fresh grass, 她知道没有新鲜的草,
the other mothers won't have enough milk for their calves. 其他的母亲没有足够的牛奶喂养他们的幼崽.
She must lead them to the last remaining wetlands, 她必须把他们带到最后剩下的湿地,
over 160 km away. 160多公里外.
She learned the path from her mother. 她从她母亲那里学会了这条路.
Now,she'll teach it to the newest member of her troop. 现在,她要把它教给她部队的最新成员.
Her own grandbaby. 她自己的孙子.
Long the Kabini River in Southern India, 印度南部的卡比尼河,
other matriarchs are leading their families on their own journey. 其他的女族长正在带领他们的家庭踏上他们自己的旅程.
It is a migration guided by memory, 它是由记忆引导的迁移,
through a landscape with very few landmarks. 穿过一片几乎没有地标的风景.
It's a lot for a new elephant to take in. 这对一头新来的大象来说是很难接受的.
As the waters dry up, 当水干了,
the mothers are keen to move the youngsters on. 母亲们很想让孩子们继续生活.
No matter how tired of marching the little ones are. 不管孩子们有多累.
Thankfully,the journey is almost at an end. 谢天谢地,旅程快结束了.
The destination at last. 终于到达目的地了.
The lush pastures of the Kabini River. 卡比尼河繁茂的牧场.
The shrunken river has transformed the plains into a carpet of abundant grass. 萎缩的河流把平原变成了一片茂密的草地.
It's a welcome feast. 这是一场欢迎宴会.
Elephants from across the region all converge on these plains. 整个地区的大象都聚集在这些平原上.
They form one of the largest congregations of wild Asian elephants known on Earth. 它们是地球上已知的最大的野生亚洲象群之一.
Their remarkable memories mean they can recognize old friends 他们非凡的记忆力意味着他们能认出老朋友
they haven't seen since last dry season. 自从上个旱季以来他们就再也没见过了.
Touching expresses reassurance,affection and affiliation. 抚摸表示安慰、爱意和归属感.
The reunion will continue until the rains come, 团圆会一直持续到下雨,
and fami ly groups will disperse once again. 家庭群体将再次分散.
The elephants aren't the only ones gathering to celebrate seasonal change. 大象并不是唯一聚集在一起庆祝季节变化的动物.
All across India, 整个印度,
people are coming together to take part in an ancient ritual. 人们聚集在一起参加一个古老的仪式.
The Holi Festival. 胡里节.
Otherwise known as the Festival of Colours. 又称为色彩节.
It marks the coming of spring to the sub-continent. 它标志着次大陆春天的到来.
As the people celebrate, 当人们庆祝的时候,
a reclusive creature emerges. 一个隐居的生物出现了.
The king cobra. 眼镜王蛇.
A loner by nature, 天生孤独的人,
this snake shuns company. 这条蛇避开同伴.
Except for this one time of year. 除了每年的这个时候.
The male is hunting for more than food. 雄性猎食的不仅仅是食物.
March is cobra mating season. 三月是眼镜蛇交配的季节.
He's tracking a female's scent, 他在追踪雌性的气味,
a skill which can lead him up to 14 km in pursuit. 一种能使他在追捕中走上14公里的技巧.
He's found another, 他又找到了一个,
but it's not a female. 但它不是女性.
It's a rival. 它是一个对手.
A male following the same scent. 气味相同的雄性.
He has to deal with this head-on. 他必须正面面对.
Fangs are of no use. 尖牙没用.
They're immune to each other's venom. 它们对彼此的毒液免疫.
He tries to intimidate his opponent, 他试图恐吓他的对手,
rearing up to show his size,but they're an even match. 站起来展示他的身材,但他们势均力敌.
There's only one way to resolve this. 只有一种方法可以解决这个问题.
This is a competition of brute strength. 这是一场激烈的竞争.
After two gruelling hours, 两个小时后,
the rival has had enough. 对手受够了.
The victor has no time to waste. 胜利者没有时间浪费.
Close by,the female is waiting to mate. 在附近,雌性正在等待交配.
And the exhausted male obliges. 而精疲力尽的男性则是如此.
Thankfully,this wrestle won't last several hours. 谢天谢地,这次摔跤不会持续几个小时.
When breeding season is over, 繁殖季节结束后,
they'll go their separate ways and once again, 他们会分道扬镳,
become reclusive. 隐居.
Life on Earth is governed by the sun. 地球上的生命受太阳支配.
Its journey across the sky divides our world into day and night. 它穿越天空的旅程将我们的世界分为白天和夜晚.
In March there comes a day,perfectly balanced. 三月份会有一天,完全平衡.
12 hours of dark, 12小时的黑暗,
followed by 12 hours of light. 接着是12小时的光照.
It's known as the Equinox. 它被称为春分点.
In Europe, 在欧洲,
it marks the official start of spring. 它标志着春天的正式开始.
Vast parts of the Netherlands are transformed into a sea of flowers. 荷兰的广大地区变成了花海.
It's a continent in bloom, 这是一个盛开的大陆,
that attracts one of the world's most important environmentalists. 这吸引了世界上最重要的环保主义者之一.
Bees link two of life's great kingdoms. 蜜蜂把生命中两个伟大的王国联系在一起.
The plant and animal world. 动植物世界.
Plants use the sun's extra energy to power their flowers, 植物利用太阳的额外能量为花朵提供能量,
and bees waste no time in making honey from their nectar. 蜜蜂也不失时机地用花蜜酿蜜.
It's a relationship that started some 100 million years ago. 这是一种始于一亿年前的关系.
Bees have to visit over five million flowers to produce just one kilo of honey. 蜜蜂要造访五百万朵花才能产一公斤蜂蜜.
Without them,spring's burst of colour, 没有了它们,春天的色彩爆发,
and most of human agriculture 以及大部分人类农业
would simply cease to exist. 就不复存在了.
Travelling east across the continent of Europe, 向东穿越欧洲大陆,
the high mountains are the last place to experience 高山是最后体验的地方
the transformative power of spring. 春天的变革力量.
A world once covered in snow 曾经被雪覆盖的世界
is now a sea of green. 现在是一片绿色的海洋.
In the Carpathian Mountains of Romania, 在罗马尼亚的喀尔巴阡山脉,
a pack is on the prowl. 一群人在四处游荡.
The scent of prey is on the breeze. 微风中有猎物的气味.
Wolf hunts usually end in failure. 猎狼通常以失败告终.
But today, 但今天,
they are in luck. 他们很幸运.
They have caught a young buck. 他们捉到了一只小鹿.
Wolves are highly social and they will share their prize with the pack. 狼是高度社会化的,他们会与狼群分享他们的奖品.
The newest members depend on it. 最新的成员依赖它.
Wolf cubs are reliant on their mothers. 狼幼崽依赖它们的母亲.
She needs the pack to bring her food to enable her to care for her young. 她需要背包带食物来照顾她的孩子.
Only the dominant male and female get to mate. 只有占优势的雄性和雌性才能交配.
The survival of the entire pack depends on protecting this one precious litter. 整个狼群的生存有赖于保护这一珍贵的垃圾.
It's a successful strategy. 这是一个成功的策略.
There are now 17,000 wolves roaming free across Europe. 现在有17000只狼在欧洲自由游荡.
And those numbers are increasing. 这些数字还在增加.
The arrival of spring is less obvious in other parts of the world. 春天的到来在世界其他地方不那么明显.
In the deserts of California,the scenery appears unchanged. 在加利福尼亚的沙漠里,景色似乎没有改变.
Yet here,too,the season brings new life, 然而在这里,季节也带来了新的生命,
if you know where to look. 如果你知道去哪里找.
For the Californian burrowing owl, 对于加利福尼亚穴居猫头鹰来说,
the desert is a perfect place to dig a home. 沙漠是一个完美的挖掘家园的地方.
A hiding spot from coyotes and hawks. 躲避土狼和老鹰的地方.
Few birds burrow, 很少有鸟打洞,
but in the desert, 但在沙漠里,
it provides the perfect protection from the soaring heat. 它提供了完美的保护,从飙升的热量.
And while spring may not bring rain, 虽然春天不会下雨,
its warmth brings something just as good. 它的温暖带来了同样好的东西.
The darling beetle grub is a seasonal delight. 可爱的甲虫幼虫是季节性的乐趣.
Burrowing owls are one of the few owls 穴居猫头鹰是为数不多的猫头鹰之一
that hunt by day and night. 日夜打猎.
In a world with limited food, 在一个食物有限的世界里,
it's a successful evolutionary adaptation. 这是一次成功的进化适应.
Beetle grubs provide a feast for a king. 甲虫幼虫是国王的盛宴.
The only thing that would make it better is a queen. 唯一能让事情变得更好的是女王.
Late March is the owl's breeding season. 三月下旬是猫头鹰的繁殖季节.
However,burrowing owl numbers are diminishing. 然而,穴居猫头鹰的数量正在减少.
All too often, 太频繁了,
the bachelor's calls go unanswered. 单身汉的电话无人接听.
This is a sound of a species on the brink. 这是一个濒临灭绝的物种的声音.
A female has heard his call. 一个女人听到了他的呼唤.
And she has taken to higher ground. 她已经到了更高的地方.
It is a risky strategy. 这是一个冒险的策略.
But it pays off. 但这是值得的.
Having answered the call, 接了电话,
the couple settle in for the breeding season. 这对夫妇适应了繁殖季节.
She will lay every day until she has a clutch of up to 12 eggs. 她每天都要下蛋,直到生下12个蛋为止.
Across the natural world, 在整个自然世界,
other birds are pairing, 其他鸟类正在配对,
delivering a springtime egg bonanza. 送上春天的彩蛋.
As a symbol of rebirth, 作为重生的象征,
the egg has taken on seasonal significance 卵具有季节性的意义
in the human world as well. 在人类世界也是如此.
As children delight in the annual ritual of the Easter egg hunt. 孩子们在一年一度的复活节彩蛋狩猎仪式中欢欣鼓舞.
For others,the seasonal rebirth is a time of contemplation. 对其他人来说,季节性的重生是一个沉思的时间.
Easter is celebrated 复活节是庆祝的
by two billion people around the world. 全世界20亿人.
In Latin America,it's known as Semana Santa. 在拉丁美洲,它被称为塞马纳圣诞老人.
Holy Week. 神圣的一周.
Since the 16th century, 从16世纪开始,
the story of the resurrection of Christ has been told through processions through the streets. 基督复活的故事是通过街上的游行来讲述的.
It is the largest and most important festival in the Christian calendar. 它是基督教历法中最大和最重要的节日.
A celebration of life over death. 庆祝生而不是死.
Religious undertones echo throughout South America. 南美洲各地都回荡着宗教色彩.
Even in the wildest of places. 即使在最荒野的地方.
When 15th century explorers entered these jungles for the first time, 当15世纪的探险家第一次进入这些丛林时,
they came face-to-face with a curious little monkey. 他们与一只好奇的小猴子面对面.
With their coloured cap of hair, 戴着彩色的帽子,
they were thought to resemble Capuchin monks in their robes and hoods. 他们被认为是类似卷尾猴僧侣在他们的长袍和头巾.
So they were named capuchin monkeys. 所以它们被命名为卷尾猴.
As the dry season comes to an end, 随着旱季的结束,
most capuchin babies are born in the Amazon jungle. 大多数卷尾猴宝宝出生在亚马逊丛林.
This troop consists of a dozen related females, 这支队伍由十几个有亲缘关系的女性组成,
their brand-new offspring, 他们全新的后代,
some young males and the alpha, 一些年轻的男性和阿尔法,
enjoying the perks of his status. 享受着他的地位带来的好处.
By April,juicy mangoes,figs and fruit 到了四月,多汁的芒果,无花果和水果
have all withered away. 都枯萎了.
Reluctantly, 不情愿地,
the troop is forced to move to the forest floor for foraging sessions. 部队被迫转移到森林里觅食.
They hope to find morsels of seeds and insects. 他们希望能找到一些种子和昆虫.
But it's risky. 但这很危险.
Predators are lurking. 食肉动物在潜伏.
Once the sentinel raises the alarm, 一旦哨兵发出警报,
the troops scurry to safety. 部队迅速赶到安全地带.
It takes a lot to outsmart a capuchin. 要比卷尾猴聪明得多.
They are considered the most intelligent of the New World monkeys. 它们被认为是新大陆猴子中最聪明的.
Soon,they've discovered a safer source of food, 很快,他们发现了更安全的食物来源,
a late-blooming fruit tree. 开花晚的果树.
But even here in the canopy, 但即使在树冠里,
they can't drop their guard. 他们不能放松警惕.
A neighbouring troop moves in, 一支邻近的部队进驻,
looking to expand their territory in these lean times. 希望在这个困难时期扩大他们的领土.
But there's not enough food for everyone. 但是没有足够的食物给每个人.
They'll have to evict the residents. 他们将不得不驱逐居民.
The rivals will kill 对手会杀了你
any offspring they can, 任何他们能生的后代,
so the lives of the new-bornsare on the line. 所以新出生的人的生命就在这条线上.
The troop's only defence now is in unity. 部队现在唯一的防御是团结一致.
With the Alpha leading the charge, 由阿尔法负责,
the females back him up. 女人们支持他.
Driving away the assailants, 赶走袭击者,
the resident troop have held their ground. 常驻部队已坚守阵地.
Females will attend to the wounded alpha, 女性会照顾受伤的阿尔法,
and the troop settle nerves with some grooming. 军队用一些修饰来平息紧张情绪.
With the rains approaching, 随着降雨的临近,
the capuchin troop have made it through the hardest part of the year,together. 卷尾猴部队一起度过了今年最艰难的时期.
Across equatorial South America, 横跨赤道南美洲,
the dry season has the land in its grip. 旱季把土地控制住了.
Witth the converging trade windsstill far to the south, 尽管汇合的贸易风仍吹向遥远的南方,
the engines that drive rainfall are absent. 驱动降雨的发动机不存在.
Four months without rain has transformed what was once lush grasslands 四个月不下雨改变了曾经繁茂的草原
into a parched landscape. 变成一片干涸的风景.
Rivers have disappeared,lakes vaporized in the heat. 河流消失了,湖泊在高温下蒸发了.
The barren ground cracks open. 贫瘠的土地裂开了.
The lack of water forces one of Colombia's most peculiar inhabitants to congregate. 缺水迫使哥伦比亚最奇特的居民之一聚集在一起.
Capybaras are the world's largest rodent, 水豚是世界上最大的啮齿动物,
twice the size of a beaver. 两倍于海狸的大小.
They're usually found in small family groups and establish separate territories. 它们通常分布在小的家庭群体中,并建立独立的领地.
But at this time of year, 但每年这个时候,
they put their differences aside. 他们把分歧放在一边.
Following the wet scent of mud, 随着泥土的潮湿气味,
they coverage on the few remaining sources of water. 他们在仅存的少数几个水源地工作.
At the height of the dry, 在最干燥的时候,
they gather in herds of over 100. 他们成群结队地聚集在一起,超过100人.
Capybaras submerge to keep their skin cool and moist. 水豚潜入水中以保持皮肤凉爽湿润.
Mud does the trick,too. 泥也能起作用.
It's why they're also known as,'water hogs.' 这就是为什么它们也被称为“水猪”
And this is hog heaven. 这就是猪的天堂.
These water-loving rodents 这些爱水的啮齿动物
can spend just about all day soaking. 可以泡一整天.
Together,they'll stay here till the rains return. 他们将一起呆在这里直到下雨.
For animals that like to keep their distance, 对于喜欢保持距离的动物,
they're surprisingly chatty. 他们非常健谈.
Not only do capybaras bark, 水豚不仅会叫,
but they purr,chirp,click,squeal,whistle and grunt. 但是他们咕噜,唧唧,咔嚓,尖叫,吹口哨和咕噜.
For others on the Llanos, 对其他人来说,
there is no escaping the seasonal cacophony. 季节性的嘈杂声不可避免.
Until the rains come, 在下雨之前,
they're stuck with their noisy rodent neighbours. 他们被吵闹的啮齿动物邻居困住了.
Life on the equator is not marked by seasons such as spring and autumn, 赤道上的生命没有春秋这样的季节,
only wet and dry. 只有湿的和干的.
The sun strikes equatorial lands at a similar angle all year, 太阳全年以相似的角度照射赤道地区,
creating the constant pulse of 12-hour days and nights. 创造12小时昼夜的恒定脉搏.
But it's the rhythm of the rain that sets the timing of rebirth. 但正是雨水的节奏决定了重生的时机.
In equatorial Africa, 在赤道非洲,
animals coincide the arrival of young with this time of plenty. 动物的到来恰逢幼兽丰盛的时候.
A baby impala is on her feet,moments after birth. 一只小黑斑羚在出生后的一瞬间就站了起来.
It's a precarious time. 这是一个不稳定的时期.
African wild dogs casually linger close by. 非洲野狗随意地在附近徘徊.
The impala can't afford to flee at the sight of every predator, 黑斑羚不能一看到所有的掠食者就逃跑,
so they remain alert,but not panicked. 所以他们保持警惕,但不惊慌.
And yet,an attack can occur 然而,攻击可能发生
at any moment. 随时都可以.
There is no plan, 没有计划,
no teamwork or single target here. 这里没有团队合作或单一目标.
It is every dog for itself. 每只狗都是为了自己.
In the chaos, 在混乱中,
a mother has been separated from her young. 一位母亲已经和她的孩子分开了.
Too far away to hear her mother's call, 太远听不到她妈妈的呼唤,
the calf is confused and exposed. 幼崽困惑而暴露.
But impalas have a secret super power. 但是黑斑羚有一种秘密的超能力.
Hidden in the black tufts of their heels are scent glands. 它们的脚后跟黑色的绒毛里隐藏着气味腺体.
Impalas have a unique leap, 黑斑羚有一个独特的飞跃,
specially evolved to spread their odour. 特别进化来传播它们的气味.
The females create a scent trail and the rest of the herd help,too. 雌鸟创造出一条气味踪迹,其余的兽群也会帮忙.
It's all the calf needs to find her way home to her mother. 这是幼崽找到回家的路的全部需要.
And the safety of the group. 以及团队的安全.
Across the globe, 在全球范围内,
atmospheric shifts set animals in motion on land and undersea. 大气的变化使动物在陆地和海底活动.
In the Western Pacific Ocean, 在西太平洋,
strong seasonal currents 强季节性洋流
converge on the archipelago of Palau. 聚集在帕劳群岛.
April is the time great schools of grey reef sharks converge en masse in the island shallows. 四月是灰礁鲨鱼成群结队聚集在岛上浅滩的时候.
They time their arrival with the spawning of schools of red snapper. 它们随着成群的红鲷鱼的产卵来计时它们的到来.
Mass congregations also make it a convenient time for grey reef sharks to mate. 成群结队的聚集也为灰礁鲨的交配提供了方便.
For the white tip reef sharks, 对于白尖礁鲨来说,
sex is also on the menu. 性也在菜单上.
When a female is fertile,packs of males start to circle. 当雌性能生育时,成群的雄性开始盘旋.
Biting her pectoral fins, 咬着她的胸鳍,
the gang pin her 那帮人把她钉死了
to the sea floor. 到海底.
The male's sex organ is known as a siphon sac. 男性的性器官被称为虹吸囊.
It inflates by sucking in sea water before he flushes his sperm into her. 在他把精子冲进她体内之前,通过吸入海水使其膨胀.
Females are covered in scars from these brutal encounters. 女性身上布满了这些残酷遭遇的伤疤.
Mating is as quick as it is fierce. 交配既快又猛.
When it's finished, 完成后,
she'll be left alone. 她会一个人呆着的.
The white tip reef sharks remain resident in this super-productive tropical environment. 白尖礁鲨仍然生活在这种高产的热带环境中.
But many other ocean wanderers simply pass through 但许多其他的海洋漫游者只是经过
as they drift on currents transporting them across the Pacific. 当它们在洋流中漂流,穿越太平洋.
Ocean currents act as watery highways, 洋流就像水路,
circulating the sun's heat across the globe. 把太阳的热量传遍全球.
Heat is transported from tropical regions towards the poles, 热量从热带地区输送到两极,
via boundary currents, 通过边界流,
such as the East Australian Current. 例如东澳大利亚洋流.
By April, 到四月,
this current is starting to slow down as the trade winds change. 随着信风的改变,这股水流开始减速.
Throughout the summer, 整个夏天,
marine turtles have used this fast-flowing highway to hitch hike to the Great Barrier Reef. 海龟们利用这条快速流动的公路搭便车到大堡礁.
It's late in the season. 现在是这个季节的晚些时候.
And this female is one of the last to arrive. 这只雌性是最后到达的.
Having spent the last five years wandering solo, 在过去的五年里,我独自流浪,
her ripe brood of eggs have urged her to head home. 她那一窝成熟的蛋促使她回家.
It is no easy task. 这不是一件容易的事.
But it's worth the effort. 但这是值得努力的.
Tonight,she will lay over 100 eggs. 今晚,她要下100多个蛋.
The nest has to be just right. 鸟巢必须恰到好处.
Too deep and the babies won't be able to escape. 太深了,孩子们就逃不掉了.
Too shallow and the hot sands will bake them. 太浅,热的沙子会把它们烤熟.
Like all things in nature,it is a delicate balance. 就像自然界的一切事物一样,这是一种微妙的平衡.
When she's finished, 等她说完,
she returns to the ocean. 她回到了大海.
Never to meet her offspring. 从来没有见过她的后代.
Even as she departs, 即使她离开了,
baby turtles that were laid eight weeks earlier are already beginning to emerge. 八周前产下的小海龟已经开始出现了.
They are driven by instinct towards the awaiting sea. 他们本能地朝着等待的大海走去.
It is a dangerous journey. 这是一次危险的旅行.
Ghost crabs haunt the shores. 鬼蟹常出没在岸边.
This is the most perilous five minutes of their lives. 这是他们生命中最危险的五分钟.
Flapping flippers are their only defence. 拍打鳍状肢是他们唯一的防御.
But sometimes, 但有时,
they just get lucky. 他们只是走运.
Only 1 in 1,000 turtles will reach maturity. 只有千分之一的海龟会成熟.
Those that do may live to be over 80 years old. 有可能活到80岁以上的人.
They will go with the flow of the currents, 它们会随着水流流动,
drifting thousands of kilometres from their home beach. 漂流在离家数千公里的海滩上.
To one day ride the ocean highway back to the same islands to complete the cycle. 要有一天骑海洋公路回到同一个岛屿完成循环.
On the opposite side of the Australian continent, 在澳大利亚大陆的另一边,
the changing trade winds mark the end of the wet season. 信风的变化标志着雨季的结束.
In the tropical north-west, 在热带西北部,
rivers carve through rocks, 河流穿过岩石,
1.7 billion years old,on their journey to the sea. 17亿年前,在他们出海的途中.
In April, 四月,
tides reach a height of almost 12 metres. 潮水的高度接近12米.
The ebb and flow is so large, 涨落这么大,
it creates horizontal waterfalls. 它创造了水平瀑布.
As much as a million litres of water 多达一百万公升的水
pours through these gaps every second. 每秒钟都会从这些缝隙中涌出.
As the water recedes, 当水退去时,
an alien landscape is revealed. 一个陌生的景观被展现出来.
As hundreds of kilometres of mudflats appear along the Kimberley coast. 金伯利海岸出现了数百公里的泥滩.
The sludge teems with a medley of life. 淤泥中充满了生命的混杂.
From tiny mudskippers, 从小小的泥浆船上,
to huge monsters. 巨大的怪物.
It is a rich muddy soup, 这是一个丰富的泥汤,
much like the primordial ooze, 就像原始的软泥,
from which life on land first emerged. 陆地上的生命最初是从那里出现的.
It now supports those that have evolved 它现在支持那些已经进化的
to fly. 飞起来.
The Kimberley coast is home to the greatest diversity of shorebirds in the world. 金伯利海岸是世界上种类最多的滨鸟的家园.
Curlews,sandpipers, 卷尾猴,矶鹞,
stints,terns,tattlers and a multitude of others. 小燕鸥、燕鸥、吹毛求疵者和其他许多人.
Soon,these flocks will leave for their breeding grounds in Siberia, 很快,这些羊群将前往西伯利亚的繁殖地,
prompted by the shorter days and change of seasons. 由于白天变短和季节的变化.
They need to fatten up before they depart on the longest migration attempted 他们需要在出发进行最长时间的迁徙前增肥
by any creature on Earth. 地球上的任何生物.
To reach the Arctic,25,000 km away. 到达25000公里外的北极.
As the Earth continues its journey around the sun, 当地球继续绕太阳运行时,
the southern hemisphere autumn stretches into wintertime. 南半球的秋天一直延续到冬天.
As the sea ice forms and expands around Antarctica, 随着南极洲周围海冰的形成和扩张,
the continent doubles in size. 这个大陆的面积增加了一倍.
The edge of the ice advancing up to four km a day. 冰层的边缘一天前进四公里.
This seasonal change heralds the arrival of a royal. 这个季节的变化预示着皇室的到来.
By the end of April, 到四月底,
Emperor penguins make the change from ocean to ice. 帝企鹅从海洋变成了冰.
After months at sea, 在海上呆了几个月之后,
they head into the heart of the frozen continent in search of a mate. 它们进入冰冻大陆的中心地带寻找伴侣.
Their breeding grounds lie some 160 km from shore. 它们的繁殖地离海岸大约160公里.
It's a cold march in bare feet. 这是一场赤脚的寒冷行军.
Slowly,distant colonies begin to merge. 慢慢地,遥远的殖民地开始合并.
And the formal gathering now numbers over 20,000. 现在正式集会的人数超过两万.
They are finally at their breeding grounds. 它们终于到了繁殖地.
Emperor penguins are serial monogamists. 帝企鹅是一夫一妻制者.
Each year, 每年,
they have a chance to start again 他们有机会重新开始
with a new partner. 和一个新搭档.
Only 15 percent will choose to return to last season's mate. 只有15%的人会选择回到上赛季的队友身边.
But once they've made their match, 但一旦他们找到了对手,
they remain faithful. 他们仍然忠诚.
At least till the summer arrives again. 至少在夏天到来之前.
The rhythms of nature continue to follow the pace set by the Earth's movement around the sun. 大自然的节奏继续跟随着地球围绕太阳运动的步伐.
These enduring planetary pulses hold all life in its grasp, 这些经久不衰的行星脉冲控制着所有的生命,
during a wild year on Earth. 在地球上狂野的一年里.