Australia... the land of sun, sea and surf... 澳洲...太阳、海洋与海浪的国度
lts golden shores are a magnet for beach lovers and thrill seekers. 它的黄金海岸吸引了热爱海滩及寻求刺激的人士
Millions flock to explore the world's biggest coral reef. 数百万人涌进...探索举世最大的珊瑚礁
But while the Great Barrier Reef and Sydney Harbour 大堡礁跟悉尼港
are the classic images of the Australian way of life, 虽然是澳洲生活的经典写照
they're just the beginning. 却只是开端
Leave behind those playgrounds of the crowded east coast, 离开东岸拥挤的游乐地
and there's a much wilder party going on out there. 更狂野的派对在此进行
This continent has a coastline 这座大陆的海岸线
that stretches from the hot northern tropics to the icy south. 由炎热的热带北方延伸到冰冷的南方
And all around are seas with the most astonishing variety of life. 四周的海域拥有最惊人多样的生命
But these waters are challenging places to live... 可是在这些水域生活是个挑战
...only the toughest survive... 只有最不屈不挠者才能生存
catching a wave is the easy bit. 顺应潮流是简单的部分
The seas around Australia are as harsh as the land itself. 澳洲周围的海洋与陆地本身一样环境恶劣
Only in very special places has marine-life overcome the odds. 唯有在非常特殊的地方，海洋生物才克服困难
The Great Barrier Reef is the one everyone knows, 大堡礁众所皆知
but there's another coral extravaganza on the other side of Australia. 不过在澳洲的对岸，还有一个珊瑚奇景
Here, the land is a desert and it hardly ever rains. 这里的陆地是沙漠，而且甚少下雨
There are no rivers flushing mud into the sea, 这里没有河川将淤泥冲刷入海
and so the water stays crystal clear. 所以海水一直很清澈
lt's perfect for growing corals and all a stone's throw from the beach. 这里是珊瑚生长的理想环境 而且海滩近在咫尺
Sandwiched between the desert shore and the open ocean, 夹在沙漠海岸与开放海洋间
Ningaloo Reef is 260 kilometres of coral oasis. 宁哥路珊瑚礁是260公里的珊瑚绿洲
The outer reef wall encloses a self-contained world. 外围的珊瑚墙圈住一个自给自足的世界
Life thrives in the warmth of the sheltered lagoon. 生命在有遮蔽的温暖珊瑚礁中欣欣向荣
When conditions are this good 情况这么好的时候
baby striped catfish gobble like mad to get a head start. 小鳗鲶疯狂进食以抢得先机
But until they've grown up, they roll around the reef together. 不过在长大之前，它们在珊瑚礁集体行动
This way they look bigger and scarier than they would on their own. 这样它们看起来，比单独行动大型而可怕
All the raw ingredients for life as a catfish - or as anything else - 鲶鱼或其他生物生活所需的材料
are trapped within the lagoon. 全都在珊瑚礁内部
Until the Autumn storms... 直到秋季的风暴来临时
when the nutrition-packed reef-water spills out into the open sea. 富含养分的珊瑚礁水会流泄至开放的海域中
For just a brief period 有一个短暂的时期
the lifeless waters outside become a nourishing soup... 珊瑚礁外死气沉沉的水域成了营养丰富的汤
and dinner guests arrive out of the blue. 而晚餐宾客突然到来
lt's a whale shark. 这是一只鲸鲛（鲸鲨）
These giant ocean cruisers make long treks, 这些巨大的巡洋舰长途跋涉
because food is so hard to find out in the clear tropical seas. 因为它们在清澈的热带海域中觅食不易
But they can be sure of getting a spot of lunch round here. 不过它们在这里包准有东西吃
Ningaloo is the only place in the world 宁哥路是世上唯一能看到
where you can see them feeding so close to shore. 鲸鲨如此靠近海岸进食的地方
Whale sharks aren't the only ones 鲸鲨不是唯一
who've marked this event in their biological diary. 做出这种事的生物
Vast shoals of sardines appear out of the lndian Ocean to join Ningaloo's feast. 大批沙丁鱼从印度洋出现，加入宁哥路的飨宴
They're tailed by predatory dog tooth tuna. 掠食的裸鰆（犬齿金枪鱼）尾随著它们
Sharks appear. They're usually loners. 鲸鲨出现了...它们通常独来独往
But they'll gang up for a party like this. 不过它们会为了这种派对联合起来
Sharks and tuna work the shoals together, like dogs rounding up sheep... 鲸鲨跟犬齿金枪鱼共同驱赶鱼群，就像狗牧羊一样
until they've pinned them against the shore in one massive, tight slick. 最后鱼群被逼到海岸，紧密地大片聚集
The sardines look like easy meat, 沙丁鱼看来容易到手
but the slick is now a solid wall of fish. 但这片鱼群现在成了坚实的鱼墙
lt's hard for the predators to know where to start. 掠食者不知道从何下手
Every time the sharks plough in, 每当鲸鲨挺进
the little fish do their parting-the-waves trick. 小鱼便施展分散伎俩
lt's a dazzling defence. 这是炫目的防御
Tuna are like snipers; they pick off fish from the edge of the huddle. 金枪鱼有如狙击手，它们从鱼群边缘逐一狙击
But it's hard for the sharks. 可是这对鲸鲨来说很困难
They can't get a grip on the vast, darting shoal. 它们对付不了大批乱窜的鱼群
The bait-ball is squeezed tighter and tighter and even the sharks can't miss. 这群鱼饵被逼得愈来愈靠拢，连鲸鲨都能抓到
Then more heavyweight diners show up. 接著更重量级的饕客出现了
The sardine shoal is now virtually on the beach, 沙丁鱼群现在到了海滩
so surely out of reach of a huge Brydes whale. 巨大的鯷鲸当然捕捉不到
The sharks are finally making a dent in the shoal, 鲸鲨终于突破鱼群
but it's nothing to what these monstrous whales can cram into their mouths. 可是对这种巨鲸的嘴能塞入的份量来说，微不足道
When the food runs out, the bounty hunters will drift away 食物用尽的时候，猎食者会游走
and the sea around here will return to hard times. 这里的海域会回复艰苦的时刻
Australia's northwest coast is pretty impoverished 澳洲的西北岸颇为贫瘠
and little fertile pockets like Ningaloo are rare. 而肥沃的孤立地带如宁哥路，少之又少
But there are other surprises. 不过这里有其他的惊喜
Further south, there's a giant inlet called Shark Bay. 再往南方，有个名为鲨鱼湾的巨大海口
lt's surrounded by desert, 这里围绕著沙漠
and under a blazing sun, 在炙热的太阳底下
seawater evaporates off quicker than a boiling billycan. 海水蒸发的速度比滚水还要快
ln the inner reaches of the bay 在海湾的内部
the concentrated water is twice as salty as the sea. 浓缩的水盐分为海水的两倍
And it doesn't get much tougher than that. 这是非常困苦的环境
There's nothing in this brine for these jellyfish to eat, 这些水母在盐水里面没有东西可吃
so they've come up with a clever way to cope. 所以它们想出聪明的应对方式
Their tissues contain millions of plant cells 它们的组织含有数百万个植物细胞
that convert sunlight directly into food. 能直接将阳光转换为食物
These jellies are solar-powered. 这些水母以太阳做为动力
And since few predators can cope with living in this salty world, 由于少有掠食者能在这个盐水世界中生活
they're unhassled and free to just soak up the sun. 它们不会受到困扰，并且可以自由地吸收阳光
The shape of the coast has created a natural harbour - 海岸的形状造就了天然的港湾
but on an Aussie scale. 不过是澳洲特有的规模
lnside is a place like no other. 里面是一个无与伦比的地方
Meadows of sea-grass ripple over the seabed - 海草原在海床上波动
these are the greatest underwater prairies on the planet. 这是地球上最大的水底草原
Grass can tough it out anywhere - even in salty water. 草可以适应任何恶劣的环境 连在咸水中也不例外
ln fact, here it's perfect. 事实上这里的环境非常理想
The bay is calm, uniformly shallow, sunlit - 海湾很平静，深度一致，有阳光照射
and the sandy bottom is ideal for grass roots. 而砂质的底部对草根来说很理想
So it's sea grass all the way. 所以这里的海草绵延无尽
This lush, sunny grassland is the foundation of all life here. 这片茂盛、阳光充足的草地 是这里所有生命的基础
There's plenty of food for sea horses... 这里有丰富的食物供应海马
...and hiding places for the small and inexperienced. 还有躲藏处供应涉世未深的小生物
lt's the tiny animals living around the stalks, 在草梗周围生活的小动物
as much as the grass itself 以及草本身
that offer such a good living to so many types of fish. 为各式各样的鱼提供舒适的生活
Some look bizarre. 有些生物的模样诡异
The moth fish may seem over-designed, in its armour plating, 穿著盔甲的蛾鱼看来虽然令人眼花撩乱
but it has to careful of enemies. 可是它必须小心敌人
One bite from a venomous sea snake would be lethal. 它被有毒的海蛇咬到一口就可能会致命
But these are the real monsters of Shark Bay. 但这是鲨鱼湾真正的怪物
And they've spawned myths of giant proportions. 而且它们衍生极大的迷思
Once upon a time, people thought they were mermaids. 从前，世人以为它们是美人鱼
But it must have taken a desperate sailor to dream that one up. 不过这一定是渴望的水手才幻想得出来
They're actually Dugongs, vegetarian sea-mammals, 它们其实是儒艮...草食的海洋哺乳动物
and there are over 1 0,000 of them in Shark bay. 它们在鲨鱼湾的数量超过一万
There might be even more 要不是有海湾名称由来的鼬鲛（虎鲨）
if it weren't for the tiger sharks that give the bay its name. 它们的数目可能更多
Babies stick close to Mum. 幼儒艮紧紧跟随母亲
They're sometimes called sea cows because they graze for eight hours a day. 儒艮有时被称为海牛，因为它们每天吃八小时的草
And they need a huge gut to digest all that grass. 它们需要巨大的肠胃才能消化那么多草
No wonder they look portly. 难怪它们的外表肥胖
Like all mammals they have to take a breath from time to time. 就像所有的哺乳动物一样 它们偶尔必须呼吸
No worries in sea rarely deeper than 1 0 metres. 在深度很少超过十公尺的海域 这点不必担心
Thanks to the meadows of sea-grass they lead a sheltered and stately life. 多亏了海草原，它们过著隐蔽而舒适的生活
Without the unusual shape of the coast, 少了海岸的独特形状
Shark Bay would be a sandy wasteland; much like the desert that surrounds it. 鲨鱼湾就会成为充满沙的荒地 就像周围的沙漠一样
Up north there's another natural hot spot, 北方还有一个自然热门地点
but forged from a very different set of conditions. 可是形成的条件非常不同
Every year Australia's Top End is battered by the tropical monsoon. 每年澳洲北端受到热带季风的侵袭
The weather is wild and the currents are wicked. 这里的气候紊乱，而洋流很猛烈
The ocean is funnelled violently through a bottleneck - 海洋从一个瓶颈激烈地流过
the shallow straits between Australia and the islands of lndonesia. 这是澳洲与印度群岛之间的浅海峡
The resulting tidal bulge is the highest anywhere in the tropics... 这造就的暴涨浪潮是热带中最高的
and it really stirs things up. 事物大为翻腾
At low tide, the sea drops a massive 1 2 metres, 低潮时，海洋陡降12公尺
leaving the Top End of Australia as one vast steamy plain of mud and mangrove. 让澳洲北端成了一大片潮湿泥泞的红树林平原
The heavy monsoon rains have another vitalising effect - 季风豪雨有另一个带来生机的作用
they flush out rich silt from the rivers, 它们将肥沃的淤泥由河川冲刷而出
and the coastal plains get a thick layer of mud. 海岸平原得到厚厚的泥层
These muddy flats ooze with life... 这些泥泞的浅滩流泄出生命
and it's all desperate for cover now the tide's gone out. 潮水退去后，它们急著寻找掩蔽
And here's why. 这是原因
But with only six hours of feeding time till the tide comes in again, 在潮水再度进驻前，它们只有6小时的进食时间
mudskippers, golden ghost crabs and wading birds have to start in top gear. 弹涂鱼、黄金鬼蟹与涉禽必须赶快行动
They're all desperate to get down to the water's edge, 它们全部急着到水边
where the receding tide has exposed a slap up feast. 退却的潮水暴露出上等的飨宴
A million migrating birds re-fuel by sifting the warm silt 一百万只候鸟从温暖的淤泥中
for worms, snails and shellfish. 筛食虫、蜗牛与甲壳类以补充能源
Some have travelled over 1 5 000 kilometres to feed here, 有些鸟长途跋涉1万5千公里到此进食
because these are the richest tidal mud flats in the world. 因为这是在潮水的影响下全世界最肥沃的泥坪
But like a gold rush, things can get lawless. 不过就像淘金热一样 情况会变得无法无天
Sanderlings aren't above a bit of daylight robbery. 三趾滨鹬等于是光天化日行抢
But the villains of the beach... are the seagulls. 不过海鸥才是海滩的恶棍
On an exposed mud flat it's impossible to keep your treasures to yourself. 在暴露的泥坪上，自己保有宝藏是不可能的事
This sand eel is quite a prize. 这只玉筋鱼是一大捕获
There's just no justice round here. 这里没有天理可言
And with the returning tide the crab has no time to make up for his loss. 随著潮水的回复，这只蟹没有时间弥补损失
While crabs can dig in under the racing tide... 蟹可以钻到迅速前进的潮水底下
waders have to cosy-up at the top of a shrinking beach. 涉禽则必须待在缩小海滩的上方
At high tide the sea is brimming again, 涨潮时，海洋再度盈满
and all you can see is a desert shore. 放眼望去只有沙漠海岸
But a few hours later the tide will recede, 可是几小时后，潮水会退去
the mudflats revealed, and the action will start all over again. 泥坪会显露出来，活动会重新展开
Northern Australia sits under the tropics. 澳洲北部位于热带
Like a massive generator it drives the climate of the land 就像大型的发电机一样 它驱策着陆地的气候
but it also has a powerful effect on Australia's seas. 不过它对于澳洲的海域也有强烈的影响
The Leeuwin current is a river of warm water from the north 李氏潮流是一股来自北方的暖流
that pumps down the west coast working its way into the cooler seas of the south. 它往下流到西岸，进入较清凉的南方海域
lt brings a lick of tropical warmth, but it doesn't bring any nutrients. 它带来些许热带的温暖，却没有带来任何养分
They've already been used up by other marine life. 养分已经被其他海洋生物利用殆尽
This warm, empty current snakes into the Great Australian Bight - 这股温暖、空无的洋流蜿蜒进入大澳洲湾
the broad bay that arcs around Australia's southern side. 这个广阔的海湾拱着澳洲的南边
These coastal seas should be heaving with life - 这些沿岸的海域理应充满生命
as full of fish as the North Atlantic. 就像北大西洋一样充满着鱼
The cliffs should be screaming with nesting sea birds. But they're not. 悬崖理应充满筑巢的海鸟 可是不然
The Leeuwin current drives a wedge of tepid water 李氏潮流夹带暖水
between the coast and the adjacent southern ocean. 流经海岸与比邻的南方海域间
As a result the sea's as infertile as the land above. 因此海洋与上面的陆地一样贫瘠
Only extreme animals can live down here. 只有极端的动物才能在底下生活
To find enough food this Australian sea lion 为了找到足够的食物
has just returned from three days of long dives along the coast. 澳洲海狮刚从海岸潜游了三天回来
By any seal standards that's a marathon... 就所有海狮的标准来说，这是马拉松了
...so on the last leg she deserves an easy ride in. 所以在最后一趟，它乘著海浪轻松回来是应该的
She tells her pup she's back. lt's desperate for a feed. 它告诉小海狮它回来了，小海狮急著进食
They can only live here because of the unconventional way they bring up the pups. 因为海狮养育幼兽的特殊方式 它们只能在这里生活
These babies are huge! 这些宝宝的体型硕大
Other young seals would have been weaned long ago, 别的年轻海狮早就断奶了
but Australian sea-lion pups suckle for over a year and a half, 可是澳洲幼海狮喝奶一年半
way longer than their relatives. 比同类的时间长很多
A good, fat start is the only way to go, for a life in impoverished seas. 想在贫瘠的海域中生活，健康肥胖的开始是不二法门
Even so Aussie sea lions live for just 1 2 years. 即便如此，澳洲海狮的寿命只有12年
lt's the shortest lifespan of any seal. 是所有海狮中寿命最短的
When the mothers go back out to sea, 母亲返回海洋时
the pups make the most of their extended childhood. 幼海狮善加利用延长的童年
A coastal lagoon - 一座海岸珊瑚礁
out of the reach of predatory sharks - 掠食的鲨鱼无法抵达
is a safe place to try life in the water. 这是尝试水中生活的安全之处
These Aussie sea lions depend on their mothers for years. 这些澳洲海狮依赖母亲数年
But they're not being pampered they have to prepare for life on the edge. 但它们没有受到溺爱 它们必须准备面对艰困的生活
As adults they'll make record-breaking dives 成年后，它们必须做破记录的潜水
just to get enough to eat, 只为取得足够的食物
so they need this time to develop stamina too. 所以它们也需要这段时间发展耐力
But it looks like they have a bit of fun along the way. 不过看来，它们同时玩得颇为开心
ln these barren waters it's hard for anything to make a living. 在这些贫瘠的水域中，任何生物都难以维生
So what could possibly attract an animal the size of a whale? 所以像鲸鱼这种巨大的动物 究竟受到什么吸引呢?
She's come here to have a baby. 母鲸鱼是来这里待产的
The warmth of the Leeuwin current 温暖的李氏潮流
has created a lovely whale-sized birthing pool. 造就了舒服的鲸鱼产池
Southern Right whales spend most of the year in the sub-Antarctic, 南露脊鲸大部分的时间待在亚南极
but the water's too cold and wild down there for a vulnerable baby. 可是那里的海水过于冰冷险恶 不适合脆弱的宝宝
They come to the protected bays of the Australian Bight to rear their calves. 它们来到受到屏障的大澳洲湾养育幼鲸
But this is one hungry baby and it needs mother's milk to build up its strength. 可是这是一只饥饿的宝宝，它需要母乳才能增强体力
Breast-feeding is demanding - the baby could suck its mother dry. 哺乳很辛苦，宝宝可能会把母亲吸干
So what is she doing for food? 所以它要怎么解决食物呢？
She sorted that out months ago... 它在几个月前就解决这件事了
by fattening up in the rich southern ocean. 它在富饶的南方海域囤积脂肪
Over the summer she ate her way through two tonnes of krill a day. 夏天的时候它一天吃掉两吨的磷虾
lt gave her enough energy to swim 2000 kilometres to Australia, 这给予它足够的能量，游行两千公里来到澳洲
give birth, produce thousands of litres of milk 生产、制造数千公升的奶水
and then guide her calf back to the sub-Antarctic. 并且引领幼鲸回到亚南极
All without taking another bite. 全程不再进食
Most animals, such as the Giant Cuttlefish, don't venture such distances. 大部分的动物，例如大乌贼 不会冒险游动这么长的距离
But they have to find food in these impoverished waters. 但它们必须在贫瘠的水域觅食
Their favourite prey is thin on the ground, 它们最爱的猎物很稀少
so they live and hunt alone. 所以它们独自生活与猎食
First they mesmerise their victim... 首先，它们迷惑受害者
...then they take aim. 接著它们瞄准目标
lt must be like looking down the barrel of a gun. 这一定有如瞄准枪管一样
They're deadly accurate... but not so hot in reverse. 它们精准无比，不过不会发热
Cuttlefish only get together in the autumn. 乌贼只在秋天的时候聚集
The Great Australian Bight has rocky reefs, 大澳洲湾拥有多岩的珊瑚礁
which are vital in the breeding season. 这在繁殖季时很重要
And cuttles gather in their thousands to size each other up. 乌贼成千上万地聚集，以打量彼此
Giant cuttlefish are the biggest of their kind. 大乌贼是同类中最大型的
Males can grow over a metre long 公乌贼的身长可达一公尺以上
and they're the ones that command centre stage. 而且成为注目的焦点
There's lots of showing off. 大家不断地炫耀
These flashy signals sort the men from the boys. 这些发亮的讯号区别了谁的经验老到
Holding ground is everything. 巩固据地首重一切
This big male wants to control a certain spot on the reef. 这只大型公乌贼想控制珊瑚礁上一个特定的地点
lt's where the females will come to lay their eggs. 这里是母乌贼产卵的地方
Other males try to muscle-in. 其他公乌贼想要闯入
These upstarts don't seem to be getting the message, 这些新手似乎没收到讯息
so the defending male throws his weight around a bit. 所以捍卫的公乌贼稍微教训了它们一下
The females are much daintier 母乌贼小巧得多
but they always search for the biggest male. 不过它们永远在寻找最大的公乌贼
He usually holds the key to the best egg chamber. 它通常掌握了最好的卵室
After all the bravado, he shows his tender side. 在拼命虚张声势之后 公乌贼展现温柔的一面
That's the romance out of the way, now it's back to guard duty. 极尽浪漫之后，现在回到守卫工作
Rivals never give up, 敌手不屈不挠
and the big male wants to make sure those are HlS babies under that rock! 而大型公乌贼要确定岩石底下的是它的宝宝
To the east of here, life in the sea goes up a gear. 从这里往东，海洋生活稍微加快速度
The warm Leeuwin current is running out of steam. 温暖的李氏潮流失去活力
And the cold Southern Ocean is beginning to take charge. 冰冷的南大洋开始掌握势力
This force from the south has chiselled out huge limestone stacks - 这股来自南方的力量凿出巨大的石灰石柱
the Twelve Apostles stand as if in reverence to the power of the sea. 十二门徒矗立，宛如向大海的力量致敬
Here, off the southeast corner of Australia, 在澳洲东南角海外
these colder seas also start to shape life beneath the waves. 这些较冰冷的海域，也开始在波浪底下塑造生命
lt's chilly, 这里很寒冷
but it's paradise compared to the waters of the Bight. 但与大澳洲湾的水域相较，这里有如天堂
lt's as if the hand brake has finally been taken off and life can really motor. 这里就像终于放下手煞车 生命终于可以前进一样
There are over a thousand different types of kelp alone. 光是大海草的种类就有一千种
Forests of Giant Kelp grow at top speed in these ideal conditions. 成片的大海草在理想的环境中迅速生长
The Southern Ocean pumps in all the basic ingredients. 南大洋注入所有的基本成分
With a good dose of sunlight, and the plentiful nutrients 在清凉的水域中
that you get in cool waters - 阳光与养分充足的情况下
these seaweed-trees can shoot up half a metre a day. 这些海草树一天可以窜升半公尺
Sometimes they reach 50 metres - 有时候它们可以长到50公尺
taller than most of the trees on land. 比大部分的陆地树木还要高大
But it isn't just the luxuriant growth 不过这个海洋角落的特别之处
that makes this corner of the ocean so special. 不只在于植物生长茂盛
lt's the remoteness. 还有隐密
lt's been remote for so long, 这里一直很隐密
that most of the plants and animals are found nowhere else on earth. 所以大部分的动植物在地球上别处完全没有
Even by Australian standards 连用澳洲的标准看来
this weedy sea dragon looks out of this world. 这只草海龙看来也不属于这个世界
Like the kangaroos and koalas on land, 就像陆地上的袋鼠与无尾熊
the animals in the sea have been caught up in their own evolutionary bubble. 海中的动物演化也受到圈限
Gliding through the seaweed on its peculiar fins it proves 海龙以独特的鳍在海草中穿梭
that not all dragons are myths. 它证明了不是所有的龙都是神话
The curious little handfish would rather walk than swim. 好奇的小棘茄鱼比较喜欢走动，不喜欢游动
lt uses its strange fins to stroll along the sea floor, 它以奇特的鳍在海床上漫步
saving tail power for when it's really needed. 节省尾部的力量...在必要的时候才使用
The leafy sea dragon has a dress code all its own. 叶海龙的外表独一无二
lt's modelled itself on the local seaweeds. 它向当地的海草借镜
These dragons are nearly half a metre long - 这些海龙的身长接近50公分
but they easily go un-noticed. 但它们很容易被忽略
This outrageous fashion statement is the perfect camouflage. 这种夸张的时尚宣言是绝佳的伪装
And these are not your typical Aussie males. 而且它们不是典型的澳洲雄性动物
With sea dragons, it's the fathers that carry the eggs. 海龙由父亲扛卵
He makes quite sure that the offspring don't drift off. 它要确保后代没有漂走
lt's crucial - 这很重要
they must hatch out, and grow up, 它们孵化与成长
against this same matching background. 必须在这片呼应的背景下
They'd stick out like a sore thumb anywhere else, 它们在别的地方都会显得突兀
so they're trapped forever in this corner of Australia. 所以它们永远受困在澳洲的这个角落
Other residents are more cosmopolitan - 其他居民比较具世界性
they're not so tied to this strange place. 它们没有那么受限于这个奇怪的地方
ln fact some make every effort to get their offspring out of here. 事实上，有些动物竭尽所能要让后代离开此地
And the ocean currents will help. 海洋的潮流会帮助
After sundown a female lobster sets out across the reef. 天黑之后，一只母龙虾出发穿越珊瑚礁
Under her tail is a precious cargo of tiny larvae. 它的尾巴底下有一群珍贵的小幼虫
She's looking for the highest point on the reef to send them on their way. 它在寻找珊瑚礁的最高点，以便送走它们
The top spot is always the most popular. 最高的地点永远最受欢迎
But once all the females are in position they wait. 不过所有的母龙虾就定位后，它们静静等待
There are fewer predators around in the hour before dawn. 天将拂晓时，掠食者比较少
So only then do they cast off their brood. 它们只在这个时候释出后代
The water's more turbulent up here at the top of the reef... 珊瑚礁顶上的水流比较激烈
so it's hard to hold a handstand! 所以倒立很难
With this odd and elegant way of giving birth, 龙虾凭藉这种奇特而优雅的生产方式
lobsters have colonised the oceans. 在海洋拓殖
The lucky ones get sucked into the powerful Southern Ocean Current. 幸运的龙虾被吸入强大的南大洋潮流
lt only clips the corner of Australia - 它只擦过澳洲的角落
so its effects largely pass the country by. 所以对这个国家的影响不大
But it hits New Zealand square on, 不过它直接撞上新西兰
so there its impact is stronger. 所以它在那里的冲击强烈许多
New Zealand and Australia used to be joined together. 新西兰与澳洲曾经连接在一起
But they drifted apart millions of years ago, 但它们在数百万年前漂移开来
and now their seas are very different. 现在它们的海域截然不同
The waters around New Zealand 新西兰周围的水域
are topped up by nutrients washed from this fertile land. 添加来自这片肥沃土地的养分
So they're richer and support more life. 所以这里比较营养，并且支持更多生命
Like this massive colony of gannets. 比如这一大群憨鰹鸟
Each summer 8,000 pairs will raise a family here. 每年夏天，八千对憨鰹鸟会在这里传宗接代
And it's all based on the fabulous fisheries of pilchards, 这要拜周围海域盛产的沙丁鱼
anchovies and jack mackerel in the surrounding sea. 鯷鱼与竹荚鱼所赐
They have to pinpoint the catch. 它们必须瞄准鱼获
But once they get their bearings, each hit is a bull's-eye. 一旦它们确定自己的位置后 每次出击都会命中目标
Gannets slice into the water at 1 50 kilometres an hour - 憨鰹鸟以150公里的时速窜入水中
which means they can score fish ten metres below the surface. 这表示它们能在水面下十公尺抓到鱼
lf the fish go deeper, the gannets just wait for the arrival of the backup squad. 如果鱼更往下游，憨鰹鸟就等着后援部队抵达
Common dolphins harass the sardines from below, 真海豚从底下扰乱沙丁鱼
pinning them up against the surface. 将它们逼到水面
And that puts them back into gannet-range. 这让它们回到憨鰹鸟的攻击范围
Although these numbers are impressive, gannets are citizens of the world. 虽然这些戏码很精彩，不过憨鰹鸟四海为家
After all, you can see the same spectacle in British waters. 你在英国的水域可以看到同样的奇观
But New Zealand has been sitting out on its own for a very long time. 可是新西兰长久以来与世无争
And it has some wildlife wonders that are truly unique. 而且它拥有真正独特的一些野生动物奇观
Hector's dolphins are only found around the New Zealand coast. 贺氏海豚仅见于新西兰海岸
They're also tiny. 而且它们的体型很娇小
At just over a metre long they're the miniatures of the dolphin world. 身长仅一公尺多...它们是海豚世界的迷你版
They spend all their lives in the shallow water near the beach. 它们终生待在靠近海滩的浅水中
Further out they'd be a mere snack for a shark or killer whale. 再往远处，它们只能当鲨鱼或逆戟鲸的点心
But they don't need to go anywhere. 可是它们哪里都不用去
The bountiful southern ocean brings a total lifestyle package right to the door. 食物充足的南方海域将全套生活所需送到府上
The huge swell is a reminder 惊涛骇浪提醒世人
that New Zealand's southern tip is in the firing line of the coldest, 新西兰的南端拥有举世最冰冷
wildest ocean in the world. 最激烈的海洋
lt's one of the most fertile seas on earth, 这是地球上最肥沃的海洋之一
but sea birds can't breed out here - they need land. 可是海鸟无法在这里繁殖 它们需要陆地
The Snares islands are the last specks of rock 斯纳尔斯群岛是最后
connected to the Australian continental shelf. 连接澳洲陆棚的岩石
Sure ground in the midst of a full-throttle ocean. 在浪涛汹涌海洋之中的稳固据地
ln the great sweep of open sea between Australia and Antarctica, 在澳洲与南极之间巨浪翻腾的开放海洋中
Snares Crested Penguins have no shortage of food. 斯纳尔斯竖冠企鹅的食物源源不绝
lt's dry land that's at a premium. 受到重视的是干燥的陆地
Every summer 每年夏天
the waters around these isolated islands swarm with penguins. 这些孤立岛屿周围的水域充满企鹅
They're gathering to get the next generation underway. 它们聚集繁衍下一代
The Snares lslands are the only rocks around 斯纳尔斯岛是这里唯一可供
where these birds can raise their young. 这些企鹅养育后代的岩石
Twice a day the adults have to return to the nests to feed their chicks, 成年企鹅一天返回巢穴两次养育幼企鹅
and they have to run the gauntlet of pirates. 而且它们必须躲避海盗的夹击
Fifty metres out, the returning penguins raft together on the surface, 50公尺外，返回的企鹅在海面一起同漂动
until sheer numbers give them the confidence to make a dive for shore. 直到数目给予它们信心潜游到海岸
ln the melee, head-ons can't be avoided. 在这场混乱当中，冲撞不可避免
Under the water, penguins are just too nippy for Hookers sea lions. 在水底下，企鹅对胡氏海狮来说太敏捷了
This one's probably on the lookout for a weak or injured bird. 这只可能在寻找虚弱或受伤的企鹅
Fit penguins have no trouble covering the last stretch of open water. 健康的企鹅不费力地越过最后一片开放的水域
Landing is trickier. 上岸比较困难
But these birds are fearless. 不过这些企鹅无所畏惧
Snares Penguins have to be sure-footed. 斯纳尔斯企鹅必须站稳脚步
Their twice-daily commute includes a sheer wall of granite. 它们一天往返两次，还要攀爬一片纯花岗岩
Penguins may not be the most elegant climbers 企鹅攀爬时或许不甚优雅
but with their low centre of gravity, strong claws and sheer doggedness, 但它们的下盘稳固，凭藉强壮的爪子与顽强
they get there in the end. 它们最后上了岸
At the top there's the rush-hour traffic and muddy forest trails to negotiate... 到了上面，它们还要应付尖峰塞车跟泥泞的森林小径
Then they have to pinpoint the calls of their own out of the colonial din. 然后它们必须在一大片噪音中 准确认出自己后代的叫声
Only then can mum and dad bring home the bacon... 唯有在这时，父母才能将食物带回家
or in this case regurgitated squid. 在这里是反刍的鱿鱼
Two months and two tired parents later, the chicks are ready for the sea. 父母辛劳了两个月之后，小企鹅准备进入海洋
The journey begins enthusiastically, as they all head for the water. 这趟旅程热烈展开，大家全都往水域前进
But it takes a while to find your feet. 但它们需要一点时间才能适应环境
Maybe it's better to give it just a few more minutes... 再等几分钟可能比较好
Snares Penguins are just one of the many resilient animals 斯纳尔斯企鹅只是诸多适应力强的动物之一
that have risen above the challenges in these southern seas. 它们迎向南方海域的挑战
These tough little birds have to overcome one more obstacle. 这些坚忍不拔的企鹅还有一个障碍要克服
Getting into the water is a triumph of substance over style! 下水是内容重于形式的胜利
Desert waters, tricky currents and sheer isolation 沙漠水域、微妙的潮流与纯然的孤立
have all helped shape the diversity of marine life down under. 全都帮助塑造了澳洲海洋生命的多样性
These are waters filled with surprises and delights. 这是充满惊奇与愉悦的水域
Hardship has simply brought out the best in the strange Southern Seas. 困境引领出奇特的南方海域最优秀之处