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-欧洲...
-Europe...
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这片以壮丽都市闻名的大陆
A continent renowned for its spectacular cities
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与璀璨文明的土地
and civilizations.
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却蕴藏着令人惊叹的荒野
But this is surprisingly wild land,
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超过1000万平方公里的
with over 10 million square kilometers
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多样自然栖息地...
of diverse natural habitat...
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从北极圈最北端延伸...
stretching from the northernmost reaches of the Arctic...
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至地中海清澈水域
to the crystal-clear waters of the Mediterranean sea.
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在这片非凡大陆上
And across this extraordinary continent,
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一场史诗级变革正在上演...
an epic transformation is under way...
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欧洲的野性之心正再次苏醒
as the wild heart of Europe is unleashed once more.
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人类正在守护自然
People are supporting the natural world.
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-我们去巢穴看看幼鸟状况
-Let's go to the nest and see how the chick is.
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-物种正在被重新引入
-Species are being reintroduced.
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-它睡得不安稳 我们得动作快点
-She's not sleeping very well, so we have to be really fast.
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-自然生态正在自我修复
-And nature itself is bouncing back.
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生命之环正在重建...
The circle of life is being reforged...
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野性正在回归欧洲
as the wild returns to Europe.
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在这条标志性河流滋养的
Where an iconic river feeds the continent's
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欧洲最重要湿地...众多生物蓬勃生长
most important wetland... many creatures are thriving.
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但有些物种需要人类援手
But some need a helping hand.
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-发源于德国黑森林的多瑙河
-From its source in Germany's Black Forest,
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向东奔流近3000公里
the Danube River flows east across Europe
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贯穿整个欧洲大陆
for almost 3,000 kilometers.
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这条标志性河流孕育了
This iconic water source feeds some of the continent's
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欧洲最重要的自然栖息地
most important natural habitats.
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作为欧洲第二长河
Europe's second longest river, the Danube,
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多瑙河流经十个国家
weaves its way through 10 countries.
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在罗马尼亚与乌克兰交界处
And at the border of Romania and Ukraine,
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河流分岔形成巨大三角洲
the river splits into a huge delta,
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最终注入黑海
where it empties into the Black Sea.
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这片由湿地与河道组成的网络
This vast network of wetlands and channels
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面积超过5500平方公里...
spans over 5,500 square kilometers...
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...是3000多种动物的家园
...and is home to over 3,000 animal species.
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数千年来 众多生物
Many have found sanctuary in this wild paradise
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在这片野生天堂找到庇护所
for thousands of years.
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但有一个物种是后来者
But one is a more recent arrival.
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春日晨雾中传来一声呼唤
In spring, a call rings out in the morning mist.
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五十年前 三角洲从未响起这种声音
Fifty years ago, this sound was unheard in the delta.
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如今 豺狼却在此繁衍生息
But today golden jackals are thriving here.
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作为狼的近亲 豺狼一旦找到伴侣
Closely related to wolves, once they find a mate,
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便会终生相守
golden jackals stick together for life.
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它们擅长狩猎
They're perfectly adapted to hunting
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但从不拒绝免费午餐
but never say no to a free meal.
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它们发现了潜在机会
They've spotted a potential opportunity.
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这群食腐乌鸦似乎有所发现
These scavenging crows seems to have found something.
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豺狼也想分一杯羹
And the jackals want in on the action.
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协作狩猎的豺狼夫妻
Jackal pairs are three times more successful
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成功率是单独行动的三倍
when working together.
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它们用咆哮震慑乌鸦
They use their snarls to intimidate the crows
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趁机夺走战利品
and snatch the prize.
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当雄性进食时...
While the male eats...
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...雌性负责警戒
...the female stands guard.
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这些鸟更多是烦扰而非威胁
The birds are more of a nuisance than a threat.
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乌鸦们只能捡食残渣
They settle for any small scraps they can find.
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但有只更大的鸟
But there's a bigger bird
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盯上了豺狼的战利品
with its eyes on the jackals' prize.
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它才是顶级掠食者
This one is top dog.
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这只白尾海雕身高近一米
This white-tailed eagle is almost a meter tall
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是地球上最大的猛禽之一
and one of the largest birds of prey on earth.
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它钩状的喙专为撕扯血肉而生
Her hooked beak is built for tearing flesh
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不论猎物死活
from the dead and the living.
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饥饿的豺狼明白要小心应对
The hungry jackals know to be careful.
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但乌鸦却在冒险试探
But the crows push their luck.
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该去别处觅食了
Time to find a meal elsewhere.
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所幸豺狼适应力极强
Fortunately, jackals are highly adaptable.
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不久前它们还只零星分布于
Until recently, they only existed in tiny isolated pockets
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欧洲东南部的小块区域
in the southeast of Europe.
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但快速扩张使它们
But a rapid expansion has seen them advance
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遍布整个大陆...
across the continent...
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最终来到多瑙河三角洲
and brought them here, to the Danube delta.
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-若我是豺狼 简直中了头彩
-If I was a jackal, you know, I hit the jackpot.
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这里食物丰富 庇护所充足
This is pretty good. This is nice.
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还有充沛水源 堪称完美
There's a lot of food, there's a lot of shelter,
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真的很好
and, you know, lots of water.
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It's good.
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-对豺狼而言 三角洲最大的吸引力
-For jackals, one of the delta's biggest attractions
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在于没有狼群竞争
is the absence of wolves,
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狼已在此消失半个多世纪
which haven't been seen here for over half a century.
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竞争减少使这些机会主义捕食者
With less competition, these opportunistic predators
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得以充分利用三角洲资源
are able to capitalize on the delta's offerings.
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超过10%的三角洲区域用于放牧
Over 10% of the Danube delta is used for cattle grazing.
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新生牛犊是不可错过的良机
Newborn calves are an opportunity too good to miss.
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全球某些地区
In some parts of the world,
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近2%的牛犊死于豺狼之口
nearly 2% of calves are killed by golden jackals.
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当这些猎手蓬勃发展时
While these hunters are thriving,
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许多其他物种却因农业扩张
many other species have been negatively impacted
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受到负面影响
by the agricultural boom.
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为保护农田修建的防洪堤
Dikes built to protect farmland from flooding
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带来了最大改变
have caused the biggest change.
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1970年代 乌克兰境内的叶尔马科夫岛
In the 1970s, Ermakov island, on the Ukrainian side of the delta,
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被筑堤排水改造为农田
was diked and drained to make way for agriculture.
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当区域被切断自然水源
When an area is starved of its natural water source,
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土地退化为贫瘠荒漠
land morphs into a barren dust bowl
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野生动物随之消失
and its resident wildlife vanishes.
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然而希望并未断绝
However, all was not lost.
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十年前 世界自然基金会
A decade ago, the Worldwide Fund for Nature
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拆除堤坝 使岛屿重归河流怀抱
removed the dikes, reconnecting the island to the river.
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自然迅速接管控制权
Nature quickly took control,
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为景观注入新生机
breathing life back into the landscape.
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迄今已有3500多公顷土地重归荒野
So far over 3,500 hectares have been embraced by the wild.
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植物疯狂反扑
Plants returned with a vengeance.
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鱼类与鸟类接踵而至
Fish and birds followed,
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被此地暴增的昆虫吸引
attracted by the huge number of insects now flourishing here.
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但植被的无节制疯长
But the unchecked explosion of vegetation
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让其他物种处境艰难
is making life difficult for other species.
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比如这条草蛇
Like this grass snake.
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它是太阳能生物
She's solar-powered
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需要阳光激活新陈代谢
and needs the sun to jump-start her metabolism.
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但在茂密植被中
But in this dense greenery,
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难以找到阳光直射的空地
she struggles to find clearings that the sun's rays can reach.
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没有阳光充电 它体温过低
Without a sunny spot where she can recharge, she's cold
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无法快速移动躲避天敌
and unable to move quickly to escape predators.
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它继续搜寻...
She continues to search...
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...通过吐信探路
...tasting the air to guide her way.
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蜿蜒滑向一片空地
She slithers her way towards a clearing.
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但位置已被占据
But the spot has already been taken.
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必须继续寻找
Her search must continue.
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在这过度生长的岛屿上
On this overgrown island,
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日光浴位争夺异常激烈
competition for sunbathing spots is unusually high.
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叶尔马科夫岛正被自身植被窒息
Ermakov island is choking on its own vegetation.
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"野化欧洲"组织正率先开展
So an organization called Rewilding Europe
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一项开创性计划
is pioneering a project
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重新引入大自然最优秀的景观设计师群体
to reintroduce a herd of Mother Nature's finest landscapers.
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欧洲水牛曾遍布整个大陆
European water buffalo once roamed the entire continent.
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它们巨大的食量控制着植被生长
Their huge appetites kept plant life in check.
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但一万多年前就已灭绝
But over 10,000 years ago, they became extinct.
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如今"野化欧洲"将七头
Today, Rewilding Europe is releasing seven
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亚洲近亲水牛放归该岛
of their Asiatic counterparts onto the island.
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目标是控制叶尔马科夫的过度植被
The goal is to control the overgrown vegetation on Ermakov
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恢复动植物间的自然平衡
and restore the natural balance between plants and animals.
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这是历史上首次
For the first time in history,
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水牛踏上这座岛屿
water buffalo step onto the island.
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它们的影响立竿见影
Their impact is almost immediate.
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水牛通过打滚降温
Water buffalo wallow to cool themselves,
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形成小湖泊和浅滩
creating small lakes and shallows
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吸引鸟类、鱼类和昆虫
that attract birds, fish, and insects.
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持续啃食创造出马赛克式
Their constant grazing produces a mosaic
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其他野生动物所需的多样地貌与空地
of landscapes and clearings needed by other wildlife.
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重引入水牛和拆除堤坝
Reintroducing buffalo and removing dikes
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助力多瑙河生态系统恢复
helps restore the Danube's ecosystem.
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关键栖息地修复还将惠及
The restoration of key habitats will also give an added boost
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300多种以湿地为家的鸟类
to over 300 species of bird which call the wetlands home.
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许多有翼居民每年迁徙千里
Many of the winged residents migrate huge distances
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来此繁茂栖息地筑巢
every year to nest in the lush habitat.
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但有一种鸟凌驾众禽之上
But there's one that outranks them all.
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卷羽鹈鹕是真正的巨鸟
Great white pelicans are true giants,
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翼展超三米...
with a wingspan of over three meters...
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对重达15公斤的生物至关重要
vital for a creature weighing up to 15 kilograms,
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全球最重的飞行鸟类之一
one of the heaviest flying birds in the world.
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非洲之外 多瑙河三角洲聚集着
Outside of Africa, The Danube delta hosts
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地球上最多的鹈鹕种群
the biggest gathering of pelicans on earth.
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成千上万鹈鹕为两件事而来...
Thousands travel here, with two things on their mind...
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...繁殖...与觅食
...breeding...and feeding.
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75种鱼类可供选择
With 75 different fish on the menu,
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这片水域提供饕餮盛宴
these waters provide a gourmet feast.
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每只鹈鹕日食近两公斤鱼
Each pelican eats almost two kilograms of fish a day,
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用硕大喉囊捕鱼
catching them in their large pouches
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整条吞食
and swallowing them whole.
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群体捕食时 鹈鹕数小时就能消耗...
In mass-feeding sessions, pelicans consume tons of fish...
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...数吨鱼类
...in just a few hours.
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它们惊人的捕鱼技能
Their impressive fishing skills do not go down well
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并非人人乐见
with everyone.
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渔民视它们为竞争对手
Fishermen see the birds as competition,
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甚至有人猎杀鹈鹕
with some even resorting to killing the pelicans.
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-过去曾有过组织性行动
-There used to be organized campaigns
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摧毁巢穴或繁殖季惊扰
of destroying colonies or destroying nests in colonies
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以控制其数量增长
or disturbing birds during their breeding season
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他们会直接捣毁鸟巢
in order to avoid having them growing in numbers.
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00:15:31,171 --> 00:15:33,933
They would just go and destroy the nests.
171
00:15:35,831 --> 00:15:38,351
-但1990年代起
-But in the 1990s,
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00:15:38,420 --> 00:15:42,286
湿地成为受保护的生物圈保护区
the wetlands became a protected biosphere reserve.
173
00:15:43,494 --> 00:15:46,842
随着三角洲获得特殊地位
With the delta's new special status
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00:15:46,911 --> 00:15:49,293
鹈鹕巢穴禁止渔民进入
and pelican nest sites off limits to fishermen,
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00:15:49,362 --> 00:15:52,227
种群数量激增
the population exploded.
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00:15:54,746 --> 00:15:56,196
鉴于鹈鹕贪得无厌的食欲
With the birds' insatiable appetites,
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00:15:56,265 --> 00:16:01,753
对三角洲鱼类数量的影响可能很严重
the impact on fish numbers in the delta could be serious.
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00:16:07,897 --> 00:16:11,246
罗马尼亚鸟类保护协会的
Sebastian Bugariu from BirdLife Romania
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00:16:11,315 --> 00:16:16,492
塞巴斯蒂安·布加留正调查鹈鹕增长速率
is out to determine how fast the pelican population is growing.
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00:16:20,324 --> 00:16:25,329
最佳方式莫过于鸟瞰观测
And the best way to do that is to get a bird's-eye view.
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00:16:31,473 --> 00:16:35,339
空中俯瞰 筑巢鹈鹕一览无余
Nesting pelicans are unmissable from the air.
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00:16:36,892 --> 00:16:39,239
塞巴斯蒂安很快定位到
It's not long before Sebastian locates
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00:16:39,308 --> 00:16:42,760
三角洲最大群落
the delta's largest colony.
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00:16:46,350 --> 00:16:50,319
规模更胜以往
And it looks bigger than ever.
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00:16:57,430 --> 00:17:01,365
该超级群落总数达18,500只
In total, he finds almost 18,500 birds
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00:17:01,434 --> 00:17:05,610
in this one megacolony.
187
00:17:05,679 --> 00:17:09,373
十年内 三角洲鹈鹕数量
Across the delta, pelican numbers have nearly quadrupled
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00:17:09,442 --> 00:17:12,203
激增近四倍
in less than a decade.
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00:17:23,766 --> 00:17:26,597
多瑙河三角洲给予迁徙鹈鹕的
The Danube delta offers more than just fish
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00:17:26,666 --> 00:17:28,323
远不止鱼类资源
to the migrating pelicans.
191
00:17:31,705 --> 00:17:35,330
更是羽翼访客的原始栖息地
It's also a pristine habitat for the winged visitors.
192
00:17:38,954 --> 00:17:41,301
超过20万公顷芦苇荡
Over 200,000 hectares of reed beds
193
00:17:41,370 --> 00:17:44,856
扎根于此片湿地
take root in these wetlands.
194
00:17:50,552 --> 00:17:54,452
面积堪比约塞米蒂国家公园
Almost the size of Yosemite National Park,
195
00:17:54,521 --> 00:17:58,387
全球最大同类型栖息地
it's the largest habitat of its kind anywhere in the world.
196
00:18:03,806 --> 00:18:07,500
芦苇荡发挥着欧洲最重要的
The reed bed functions as Europe's most important
197
00:18:07,569 --> 00:18:10,744
天然净水系统功能
natural water-purification system...
198
00:18:13,782 --> 00:18:15,335
...截留沉积物与杂质
...trapping sediment and impurities,
199
00:18:15,404 --> 00:18:19,719
经滤化分解
allowing them to be filtered and broken down.
200
00:18:23,378 --> 00:18:25,000
芦苇荡对维系
Reed beds are vital
201
00:18:25,069 --> 00:18:28,521
整个三角洲生态系统至关重要
for the health of the entire delta ecosystem.
202
00:18:30,005 --> 00:18:34,561
对鹈鹕而言 芦苇是完美筑巢地
For pelicans, the plants are the perfect nesting sites.
203
00:18:37,840 --> 00:18:41,258
芦苇被踩踏成平坦平台
The reeds are trampled into flat platforms,
204
00:18:41,327 --> 00:18:43,881
ideal for raising chicks.
205
00:18:49,093 --> 00:18:50,991
此处芦苇资源足以支撑
There are enough reeds here
206
00:18:51,060 --> 00:18:54,409
数万只鹈鹕筑巢
to support tens of thousands of nesting pelicans.
207
00:19:02,589 --> 00:19:05,351
但其他区域大片的芦苇荡
But elsewhere, vast tracts of reed bed
208
00:19:05,420 --> 00:19:08,319
已因人类活动消失
have been lost to human activity.
209
00:19:10,390 --> 00:19:13,428
科学家认为鹈鹕数量暴增
Scientists believe the sudden explosion of pelicans
210
00:19:13,497 --> 00:19:17,570
或源于其他栖息地丧失
in the delta could be due to habitat loss elsewhere.
211
00:19:18,536 --> 00:19:21,919
随着众多筑巢地消失
With many nesting locations no longer available,
212
00:19:21,988 --> 00:19:23,921
这些鸟儿很可能别无选择
it's likely the birds have no choice
213
00:19:23,990 --> 00:19:28,270
只能大规模聚集到原始三角洲
but to flock to the pristine delta in massive concentrations.
214
00:19:36,865 --> 00:19:41,421
寻求湿地庇护的不止鹈鹕
It's not just pelicans seeking refuge in the wetlands.
215
00:19:43,320 --> 00:19:48,325
数千年来 欧洲河流水道被
For thousands of years, Europe's rivers and waterways
216
00:19:48,394 --> 00:19:51,362
一种非凡生物塑造
have been shaped by an extraordinary creature.
217
00:19:53,640 --> 00:19:59,405
这座水坝由欧洲最大啮齿动物建造
This dam was built by the largest rodent in Europe.
218
00:20:00,509 --> 00:20:04,272
河狸一生多数时间在水中度过
Beavers spend most of their lives in the water.
219
00:20:04,341 --> 00:20:09,415
入水前会涂抹腺体分泌的
But before they dive in, they top up with waterproof oil,
220
00:20:09,484 --> 00:20:11,348
防水油脂
which secretes from their glands.
221
00:20:14,109 --> 00:20:17,802
从头到脚覆盖全身...
They cover themselves from head to toe...
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00:20:25,189 --> 00:20:28,365
...方才下水游动
...before heading out for a swim.
223
00:20:31,437 --> 00:20:36,373
其祖先体长可达1.5米
His ancestors grew up to one and a half meters long.
224
00:20:37,374 --> 00:20:39,479
体型虽缩小不少
He might be a lot smaller,
225
00:20:39,548 --> 00:20:41,343
影响力依然巨大
but his impact is still enormous.
226
00:20:44,484 --> 00:20:48,005
河狸通过精心挑选的树枝筑坝
Beavers control the flow of water by building dams
227
00:20:48,074 --> 00:20:51,698
调控水流
from carefully selected branches.
228
00:20:54,460 --> 00:20:59,913
橙色牙齿含铁质 强度足以
Their orange teeth contain iron, making them strong enough
229
00:20:59,982 --> 00:21:02,813
咬断最粗树干
to cut through even the biggest of tree trunks.
230
00:21:11,580 --> 00:21:16,689
啮齿动物的水坝深刻改变栖息地
The rodents' dams have a huge impact on their habitat.
231
00:21:16,758 --> 00:21:18,622
洪水被遏制
Flooding is reduced,
232
00:21:18,691 --> 00:21:21,866
从而催生林间空地
which in turn gives birth to clearings and wetlands
233
00:21:21,935 --> 00:21:24,938
与湿地系统
within the forest.
234
00:21:25,007 --> 00:21:28,735
缓流水域为数百种淡水生物
These slow-moving waters provide a vital habitat
235
00:21:28,804 --> 00:21:31,566
提供关键栖息地...
for hundreds of freshwater creatures...
236
00:21:33,222 --> 00:21:35,777
...幼鱼育苗场
...nurseries for young fish
237
00:21:35,846 --> 00:21:38,469
蛙类与昆虫繁殖所
and breeding grounds for frogs and insects.
238
00:21:44,233 --> 00:21:48,824
但即便河狸的伟业
But even the mighty beaver's work is dwarfed
239
00:21:48,893 --> 00:21:51,827
在人类环境改造面前也相形见绌
by human efforts to control the environment.
240
00:21:54,830 --> 00:21:59,076
为驯服多瑙河并发电
To tame the Danube and generate electricity,
241
00:21:59,145 --> 00:22:00,698
两座巨型水坝横跨
two massive dams were built
242
00:22:00,767 --> 00:22:03,839
铁门峡谷而建
across the river's Iron Gates Gorge.
243
00:22:06,704 --> 00:22:09,189
这是多瑙河上最大的屏障
These are the biggest barriers on the Danube.
244
00:22:14,229 --> 00:22:17,336
此外还有60多座水坝
But there are over 60 others.
245
00:22:19,303 --> 00:22:24,860
某些河段每16公里就有一座堤坝
In some parts, the river meets a wall every 16 kilometers
246
00:22:25,482 --> 00:22:29,865
多瑙河因此变得与
As a result, the Danube is a vastly different river
247
00:22:29,934 --> 00:22:32,454
原始面貌截然不同
than the one it was destined to be.
248
00:22:37,666 --> 00:22:42,740
筑坝使水流变缓水温升高
Damming has slowed and warmed its waters.
249
00:22:46,261 --> 00:22:51,646
这一变化影响着多瑙河所有生物
This change impacts every creature on the Danube,
250
00:22:51,715 --> 00:22:56,651
从庞然巨物...到微小生命
from its largest residents... to its smallest.
251
00:23:09,871 --> 00:23:11,251
浑浊水域中孕育着
Below the surface,
252
00:23:11,320 --> 00:23:15,808
原始水生昆虫
primitive insects grow in the murky waters.
253
00:23:17,672 --> 00:23:20,709
这些奇特的无脊椎动物
These bizarre invertebrates have barely changed
254
00:23:20,778 --> 00:23:23,436
三亿年来几乎未变
in over 300 million years.
255
00:23:25,990 --> 00:23:30,478
幼虫在水中生长约三年
Under the water, the creatures grow for around three years
256
00:23:30,547 --> 00:23:32,134
方才羽化
before emerging.
257
00:23:34,965 --> 00:23:39,970
唯有浮出水面才显露真身
It's only when it surfaces that its identity becomes apparent.
258
00:23:43,007 --> 00:23:44,250
蜉蝣
The mayfly.
259
00:23:44,319 --> 00:23:48,772
这是它生命的最后阶段
This is the last stage of the insect's life,
260
00:23:48,841 --> 00:23:52,223
仅剩数小时寿命
and it now has just a few hours to live.
261
00:24:05,754 --> 00:24:09,309
夜幕降临 蜉蝣群飞
The evening air comes alive as the mayflies all swarm
262
00:24:09,378 --> 00:24:13,900
共赴最后的求偶之舞
during a single evening to perform their courtship dance.
263
00:24:20,286 --> 00:24:24,290
这是疯狂的交配冲动
This is a frenzied drive to procreate,
264
00:24:24,359 --> 00:24:27,535
它们尘世最后的使命
the very last thing they'll do on earth.
265
00:24:36,751 --> 00:24:40,306
每只雌虫产卵约3000枚
Each female will lay around 3,000 eggs,
266
00:24:40,375 --> 00:24:43,689
散落水面
which are dispersed on the surface of the water.
267
00:24:55,804 --> 00:24:58,255
虽微小 却是水生食物链
Though small, these creatures are a vital part
268
00:24:58,324 --> 00:25:02,293
关键一环
of the aquatic food chain.
269
00:25:04,295 --> 00:25:07,091
整个生命周期中
Throughout their life cycle,
270
00:25:07,160 --> 00:25:09,991
滋养无数鸟类鱼类
they feed numerous birds and fish.
271
00:25:13,270 --> 00:25:15,790
羽化数日后
But within days of their emergence,
272
00:25:15,859 --> 00:25:18,378
唯余幽灵般的空壳
the only sign of the mayflies' existence
273
00:25:18,447 --> 00:25:20,242
证明它们曾存在
are their ghost-like shells.
274
00:25:23,314 --> 00:25:27,215
即便死亡 仍改变着地貌
Even in death, the insects affect the landscape.
275
00:25:29,942 --> 00:25:33,324
尸骸肥沃河岸
Their corpses fertilize the riverbanks,
276
00:25:33,393 --> 00:25:35,844
滋养新生植物
helping new plants grow.
277
00:25:36,258 --> 00:25:39,261
但工业化与水污染
But industrialization and water pollution
278
00:25:39,330 --> 00:25:43,956
给蜉蝣带来灭顶之灾
have led to terrible consequences for the mayfly.
279
00:25:45,682 --> 00:25:48,201
它们曾遍布欧洲
They once flourished across the continent.
280
00:25:48,270 --> 00:25:54,345
如今种群数量锐减98%
Today, 98% of the European mayfly population has been lost.
281
00:25:55,346 --> 00:26:00,455
蒂萨河仍是蜉蝣最后堡垒
But the Tisza River remains a mayfly stronghold.
282
00:26:23,271 --> 00:26:27,275
下游的多瑙河三角洲
Downstream, the Danube delta is a last safety net
283
00:26:27,344 --> 00:26:30,243
是许多生物最后的庇护所
for many other creatures.
284
00:26:42,324 --> 00:26:46,984
沼泽蛙是三角洲标志性物种
Marsh frogs are one of the delta's most iconic animals.
285
00:26:48,986 --> 00:26:53,715
春季鸣叫从黎明持续到黄昏
And in spring, their calls can be heard from dawn till dusk.
286
00:27:04,346 --> 00:27:07,867
作为欧洲最大蛙类
They're the largest frog in Europe,
287
00:27:07,936 --> 00:27:10,007
叫声同样洪亮
with a volume to match.
288
00:27:20,397 --> 00:27:23,365
但这交响乐暗藏杀机
But this symphony of sound brings dangers.
289
00:27:26,886 --> 00:27:32,029
几乎所有掠食者都捕食沼泽蛙
Almost every other predator in the delta eats marsh frogs.
290
00:27:34,929 --> 00:27:37,172
对浅滩巡弋的鹭鸟而言
They're a protein-rich prize
291
00:27:37,241 --> 00:27:40,175
是富含蛋白质的美餐
for the herons that stalk the shallows.
292
00:28:00,851 --> 00:28:04,337
青蛙几乎毫无防御能力
The frogs have little in the way of defense.
293
00:28:05,476 --> 00:28:09,273
唯有跳水或跳跃逃生
Diving underwater or leaping away are their only options.
294
00:28:16,625 --> 00:28:18,006
但此刻
But right now,
295
00:28:18,075 --> 00:28:22,183
它们专注更重要的事
their attention is focused on more important matters.
296
00:28:22,252 --> 00:28:24,185
正值交配季节
This is mating season,
297
00:28:24,254 --> 00:28:26,946
三角洲浅水区挤满
and the shallow waters of the delta
298
00:28:27,015 --> 00:28:30,087
求偶的蛙群
are heaving with amorous frogs.
299
00:28:33,366 --> 00:28:36,784
这只雄蛙寻找合适配偶
This male is looking for suitable females.
300
00:28:38,682 --> 00:28:40,511
但雌蛙似乎都躲起来了
But they all seem to be hiding.
301
00:28:41,996 --> 00:28:44,308
目前只找到其他雄蛙
For now, he can only find other males.
302
00:28:49,589 --> 00:28:52,869
希望很快这片水域将布满
But hopefully soon these waters will be littered
303
00:28:52,938 --> 00:28:55,043
蛙卵
with frog spawn.
304
00:28:59,047 --> 00:29:05,122
多瑙河三角洲是生物多样性宝库
The Danube delta is a treasure trove of biodiversity.
305
00:29:07,331 --> 00:29:12,095
超半数欧洲淡水鱼种
Over half of all European freshwater fish species
306
00:29:12,164 --> 00:29:13,993
栖居于此
live in its waters.
307
00:29:15,615 --> 00:29:17,997
数百万水生居民
Millions of aquatic residents
308
00:29:18,066 --> 00:29:21,035
栖息在这片水下丛林...
inhabit this dense underwater jungle...
309
00:29:23,313 --> 00:29:25,522
...依靠芦苇根系抵御
...relying on the reeds and roots to protect them
310
00:29:25,591 --> 00:29:28,318
激流与危险
from the strong currents and dangers.
311
00:29:30,630 --> 00:29:33,979
即便在流速缓慢的三角洲
But even in the slow-moving waters of the delta,
312
00:29:34,048 --> 00:29:35,221
也非绝对安全
they're not completely safe.
313
00:29:38,259 --> 00:29:41,331
这只雌性沼泽蜘蛛潜伏在
Submerged on the edge of a shallow channel,
314
00:29:41,400 --> 00:29:44,230
浅水道边缘
this female fen raft spider
315
00:29:44,299 --> 00:29:47,233
可潜水半小时之久...
could spend up to half an hour underwater...
316
00:29:49,304 --> 00:29:54,206
...依靠体毛储存的氧气维生
...surviving on the thin layer of oxygen trapped in her hair.
317
00:29:56,346 --> 00:29:59,314
捕猎时才会浮出水面
But she surfaces when it's time to hunt.
318
00:30:05,596 --> 00:30:07,081
与多数蜘蛛不同
Unlike many spiders,
319
00:30:07,150 --> 00:30:11,879
沼泽蜘蛛不结网捕食
the fen raft spider doesn't use a web to catch its dinner.
320
00:30:12,396 --> 00:30:15,192
它利用水面张力感知
She uses the surface tension of the water
321
00:30:15,261 --> 00:30:19,610
猎物引起的振动...
to pick up vibrations from her prey...
322
00:30:22,648 --> 00:30:26,272
...无论来自水上水下
...above and below the surface.
323
00:30:29,966 --> 00:30:31,691
静立水面之上
Perched atop the water,
324
00:30:31,760 --> 00:30:35,695
随水流漂过领地...
she allows herself to drift across her territory...
325
00:30:35,764 --> 00:30:38,457
等待触角状刚毛
waiting for telltale vibrations
326
00:30:38,526 --> 00:30:42,081
传来猎物的振动
to reach her antennae-like hairs.
327
00:30:44,083 --> 00:30:47,569
昆虫的动静于它而言
For her, the movement of an insect
328
00:30:47,638 --> 00:30:50,227
如同开饭铃响
is like ringing a dinner bell.
329
00:31:02,170 --> 00:31:07,279
菜单包含30多种昆虫
These hunters have over 30 different insects on their menu.
330
00:31:11,145 --> 00:31:15,218
但昆虫有时难以果腹
But sometimes a bug just isn't enough.
331
00:31:15,287 --> 00:31:19,463
这条刺鱼距蜘蛛螯肢
This stickleback is just centimeters away
332
00:31:19,532 --> 00:31:21,949
仅数厘米之遥
from the spider's grasp.
333
00:31:26,332 --> 00:31:31,337
幸运的是蜘蛛已饱餐
But luckily for the fish, she's full.
334
00:31:31,406 --> 00:31:33,132
暂时如此
For now.
335
00:31:37,343 --> 00:31:42,970
欧洲鱼类面临比天敌更严峻的危机
Europe's fish have much bigger problems than predators.
336
00:31:43,867 --> 00:31:47,250
寒冷沿海水域中 三刺鱼
In its cold coastal waters, three-spiked stickleback
337
00:31:47,319 --> 00:31:52,013
开始溯流而上的危险旅程
are beginning a perilous journey upstream.
338
00:31:54,740 --> 00:31:57,363
已在海洋生活两年
They've spent two years in the sea.
339
00:31:57,432 --> 00:32:00,125
成年后的它们
Now they've reached adulthood,
340
00:32:00,194 --> 00:32:04,370
本能驱使逆流而上
an innate urge to fight the current is taking hold.
341
00:32:04,439 --> 00:32:08,754
前往欧洲淡水河流
The stickleback are heading to their spawning grounds,
342
00:32:08,823 --> 00:32:11,688
的产卵地
in the freshwater rivers and streams of Europe.
343
00:32:15,726 --> 00:32:20,628
这习性已延续百万年
This is a habit over a million years in the making.
344
00:32:23,596 --> 00:32:27,462
成年体长10厘米
As adults, they are now 10 centimeters long,
345
00:32:27,531 --> 00:32:30,949
极易沦为猎物
easy prey for endless predators.
346
00:32:34,262 --> 00:32:36,471
许多刺鱼无法抵达
Many of the stickleback will not make it
347
00:32:36,540 --> 00:32:39,095
产卵地
to their spawning grounds.
348
00:32:43,582 --> 00:32:48,587
但物种延续依赖少数成功者
But their species depends on the brave few that succeed.
349
00:32:54,524 --> 00:32:57,596
欧洲水道中 有些障碍
In Europe's waterways, there are some hurdles
350
00:32:57,665 --> 00:33:00,426
祖先从未遭遇
that their ancestors never had to face.
351
00:33:11,334 --> 00:33:16,166
它们抵达船闸
They've reached a lock.
352
00:33:17,374 --> 00:33:19,273
能嗅到去路
They can smell the way,
353
00:33:19,342 --> 00:33:21,320
但狭缝中涌出的水压
but the water pressure feeding through the small gap
354
00:33:21,344 --> 00:33:25,900
远超以往经历
is stronger than anything they've encountered before.
355
00:33:30,353 --> 00:33:34,564
溯流本能推动前进
The call upstream forces them forward.
356
00:33:34,633 --> 00:33:38,464
前赴后继对抗激流
One by one, they fight the current.
357
00:33:39,879 --> 00:33:43,021
唯有强者能通过
But only some are strong enough.
358
00:33:44,815 --> 00:33:47,370
千里迢迢...功亏一篑
All this way... for nothing.
359
00:33:50,338 --> 00:33:53,479
这条刺鱼的旅程到此为止
For this stickleback, this is the end of the line.
360
00:33:55,378 --> 00:34:00,797
鱼群继续向前
But the rest of the shoal moves on.
361
00:34:03,731 --> 00:34:07,321
它们仍需跋涉数十公里
They still have many kilometers to cover
362
00:34:07,390 --> 00:34:10,531
途中更多人工障碍
and many more man-made obstacles in their way.
363
00:34:16,019 --> 00:34:19,609
水坝是鱼群的死亡判决
Dams are a death sentence for fish populations,
364
00:34:19,678 --> 00:34:22,336
多瑙河上 已有多个物种
and on the Danube, they've pushed more than one species
365
00:34:22,405 --> 00:34:24,338
被逼至灭绝边缘
to the brink of extinction.
366
00:34:33,864 --> 00:34:37,834
数千年来 三角洲依赖河流
For thousands of years, the delta has relied on its river
367
00:34:37,903 --> 00:34:42,528
沉积物创造新栖息地
depositing sediment downstream to create new habitats.
368
00:34:43,805 --> 00:34:45,359
但上世纪以来
But in the last century,
369
00:34:45,428 --> 00:34:49,949
多瑙河工业化带来毁灭性影响
industrialization on the Danube has had a devastating effect.
370
00:34:50,018 --> 00:34:52,504
-欧洲多数河流被各种方式改造
-Most of the rivers in Europe have been altered
371
00:34:52,573 --> 00:34:55,231
截弯取直 筑堤建坝
in all kinds of ways... straightened, diked, dammed.
372
00:34:55,300 --> 00:34:58,579
上游工程必然
But all those measures upstream, of course,
373
00:34:58,648 --> 00:35:00,581
影响下游生态
have an impact downstream.
374
00:35:00,650 --> 00:35:03,687
-水坝阻断沉积物流向三角洲
-Dams stop sediment reaching the delta.
375
00:35:03,756 --> 00:35:07,553
没有沉积物 三角洲无法再生
And without it, the delta can't replenish.
376
00:35:09,417 --> 00:35:11,730
部分地区甚至出现
In some parts of the region,
377
00:35:11,799 --> 00:35:15,285
海水倒灌现象
land is even being reclaimed by the sea.
378
00:35:21,257 --> 00:35:25,606
关键栖息地因此消失
And vital habitat is vanishing as a result.
379
00:35:27,677 --> 00:35:33,441
比如海鸟繁殖的沙洲
Like sandbanks, which provide breeding grounds for sea birds.
380
00:35:38,101 --> 00:35:42,416
这片沙洲栖息着数千银鸥巢
This sandbank is home to thousands of herring-gull nests.
381
00:35:53,772 --> 00:35:58,811
雏鸟现在还是毛茸茸的球体
Right now, the chicks look like little balls of fluff,
382
00:35:58,880 --> 00:36:03,368
几周后就能离巢
but they will be ready to leave the nest in just a few weeks.
383
00:36:04,679 --> 00:36:09,063
亲鸟可放心离巢数小时
Their parents are happy to leave them for hours at a time
384
00:36:09,132 --> 00:36:11,997
外出觅食
while they hunt for food,
385
00:36:12,066 --> 00:36:14,344
沙洲上天敌稀少
as there's very few predators here on the sandbank.
386
00:36:16,450 --> 00:36:19,591
但雏鸟仍会因任何危险迹象
But that doesn't stop the chicks from panicking
387
00:36:19,660 --> 00:36:21,282
惊慌失措
at any sign of danger.
388
00:36:30,360 --> 00:36:35,400
这只雏鸟被低飞的鹈鹕吓到
This chick has been spooked by a low-flying pelican.
389
00:36:41,406 --> 00:36:44,857
虚惊一场
But it's a false alarm.
390
00:36:46,065 --> 00:36:50,898
虽无真实危险 雏鸟已迷路
Despite the lack of real danger, the chick has now lost his way.
391
00:36:56,352 --> 00:37:00,425
不幸的是它的羽毛尚未防水
Unfortunately, his feathers aren't yet water resistant.
392
00:37:09,088 --> 00:37:11,884
很快意识到错误
He soon realizes his mistake.
393
00:37:15,025 --> 00:37:18,615
另一种避险方式就不那么优雅了
His other reaction to danger is a little less charming.
394
00:37:21,618 --> 00:37:24,380
早餐二次亮相
This morning's breakfast makes its second appearance.
395
00:37:29,695 --> 00:37:32,388
对某些鸟类 这或许是
For some birds, this may be a technique
396
00:37:32,457 --> 00:37:35,701
飞行前减重技巧
for losing weight before a flight.
397
00:37:35,770 --> 00:37:39,429
但它羽翼未丰
But his wings aren't yet fully formed.
398
00:37:40,568 --> 00:37:42,156
现在它寻找遮蔽
So now he looks for cover.
399
00:37:48,473 --> 00:37:52,925
当终于找回巢穴
When he finally manages to find his nest,
400
00:37:52,994 --> 00:37:55,928
该睡一觉压惊了
it's time to sleep off the adventure.
401
00:38:00,554 --> 00:38:03,936
这类沙洲对地面营巢鸟类
Sandbanks like these are essential
402
00:38:04,005 --> 00:38:05,421
至关重要
for ground-nesting birds.
403
00:38:05,490 --> 00:38:09,459
所幸人们正在努力
Fortunately, efforts are under way
404
00:38:09,528 --> 00:38:12,945
重建消失的栖息地
to replace these habitats where they have vanished.
405
00:38:16,915 --> 00:38:18,030
荷兰依赖水坝
The Netherlands relies on dams
406
00:38:18,054 --> 00:38:21,920
抵御海水侵蚀
to protect its land from the sea.
407
00:38:24,785 --> 00:38:26,165
但近期
But recently,
408
00:38:26,234 --> 00:38:30,446
哈灵水道闸门重新开启
the floodgates on the country's Haringvliet were opened.
409
00:38:30,515 --> 00:38:33,552
近50年来首次
For the first time in almost 50 years,
410
00:38:33,621 --> 00:38:36,728
河流与北海再度连通
the river was reconnected to the North Sea.
411
00:38:36,797 --> 00:38:39,386
效果令人惊叹
And the impact has been extraordinary.
412
00:38:42,009 --> 00:38:44,839
自然正在回归
Nature is returning.
413
00:38:45,840 --> 00:38:48,636
刺鱼等洄游鱼类
Migratory fish, like the stickleback,
414
00:38:48,705 --> 00:38:52,226
得以重返淡水产卵地
are now able to reach their freshwater spawning grounds,
415
00:38:52,295 --> 00:38:56,368
海岸鸟类重新发现这片河口
and coastal birds are rediscovering this estuary.
416
00:39:00,199 --> 00:39:02,857
但上游更多水坝
But more dams upstream
417
00:39:02,926 --> 00:39:05,964
意味着沉积物仍无法抵达
means sediment still can't reach these areas.
418
00:39:08,760 --> 00:39:12,142
世界自然基金会等组织
So organizations like the World Wide Fund for Nature
419
00:39:12,211 --> 00:39:16,215
正人工补充缺失的沉积物
are stepping in to replace the estuary's missing sediment.
420
00:39:23,775 --> 00:39:27,641
这项非凡工程建造沙洲
This extraordinary measure creates sandbanks,
421
00:39:27,710 --> 00:39:32,197
恢复欧洲海岸生物关键栖息地
restoring vital habitat for Europe's coastal creatures.
422
00:39:32,266 --> 00:39:37,098
鸟类与海豹得以在人工沙洲
Birds and seals can now use these man-made sites
423
00:39:37,167 --> 00:39:39,169
繁衍生息
for breeding.
424
00:39:41,965 --> 00:39:44,899
-可通过多种方式还空间于河流
-There's so many things you can do to give space to the river,
425
00:39:44,968 --> 00:39:46,453
实现河流修复
where you then have a win-win
426
00:39:46,522 --> 00:39:48,524
生态恢复
between, let's say, river restoration,
427
00:39:48,593 --> 00:39:52,666
防洪等多赢局面
ecological restoration of rivers, flood protection.
428
00:39:52,735 --> 00:39:55,289
-哈灵水道或将成为
-There is hope that Haringvliet represents
429
00:39:55,358 --> 00:39:58,534
全球变革的开端
the beginning of a global change,
430
00:39:58,603 --> 00:40:03,401
重建从源头到海洋的河流连通
reconnecting rivers from source to sea.
431
00:40:05,264 --> 00:40:09,821
健康水道让自然过程
Healthy waterways allow natural processes
432
00:40:09,890 --> 00:40:14,066
随季节更替塑造地貌
to shape the landscape with each changing season.
433
00:40:17,725 --> 00:40:21,695
每年春季 多瑙河三角洲偏远森林
Every spring, the remote forests of the Danube delta
434
00:40:21,764 --> 00:40:24,594
遭遇洪水侵袭
are hit by a deluge of water.
435
00:40:28,633 --> 00:40:32,153
半淹的柳树成为
These half-submerged willow trees become fortresses
436
00:40:32,222 --> 00:40:35,778
淡水护城河环绕的堡垒...
protected by freshwater moats...
437
00:40:38,332 --> 00:40:41,300
...洪水迫使三角洲动物
...as floodwaters force the delta's animals
438
00:40:41,369 --> 00:40:44,131
躲上枝头
up into the branches.
439
00:40:48,687 --> 00:40:52,242
30多种鸟类在此
Over 30 different species of birds nest here
440
00:40:52,311 --> 00:40:55,729
形成大型混居群落
in huge mixed colonies.
441
00:41:00,181 --> 00:41:06,118
鸬鹚 琵鹭 白鹭 苍鹭
Cormorants, spoonbills, egrets, and herons
442
00:41:06,187 --> 00:41:09,605
共栖柳树枝头
all nest side-by-side in the willow trees.
443
00:41:13,781 --> 00:41:17,198
树顶巢穴虽能保护雏鸟
The treetop nests may keep the chicks safe
444
00:41:17,267 --> 00:41:19,304
免受地面攻击
from ground attacks,
445
00:41:19,373 --> 00:41:23,722
但湿地栖息着空中杀手...
but the wetlands are home to aerial assassins...
446
00:41:26,104 --> 00:41:28,831
...包括多瑙河最猖獗的恶徒
...including the Danube's most prolific villains.
447
00:41:30,280 --> 00:41:37,736
秃鼻乌鸦 渡鸦 喜鹊与乌鸦...
Rooks, ravens, magpies, and crows...
448
00:41:37,805 --> 00:41:41,222
地球上最聪明的动物之一
some of the most intelligent animals on the planet.
449
00:41:41,291 --> 00:41:46,676
乌鸦特意在此筑巢
The crows have deliberately built their nest here,
450
00:41:46,745 --> 00:41:51,060
完美监控邻居动向
perfectly positioned to stake out their neighbors' nests.
451
00:41:53,752 --> 00:41:57,100
比如这群鸬鹚
Like these cormorants.
452
00:41:57,376 --> 00:42:01,035
这是捕鱼鸟类的
This is a critical breeding ground
453
00:42:01,104 --> 00:42:04,107
关键繁殖地
for the fish-hunting birds.
454
00:42:04,176 --> 00:42:08,526
每巢可育六只雏鸟
Each nest produces up to six chicks.
455
00:42:09,285 --> 00:42:13,151
体型仅有普通鸬鹚一半
Around half the size of the more common great cormorant,
456
00:42:13,220 --> 00:42:19,606
多瑙河栖息着欧洲最大侏鸬鹚群
the Danube has Europe's largest colony of pygmy cormorants.
457
00:42:19,675 --> 00:42:22,885
雏鸟尚未学会飞翔
Their chicks haven't yet learned to fly
458
00:42:22,954 --> 00:42:26,544
是乌鸦的美餐
and could be a tasty treat for a hungry crow.
459
00:42:29,443 --> 00:42:31,307
即便大型鸟类
But even the largest species are at risk
460
00:42:31,376 --> 00:42:34,690
亲鸟离巢时也面临危险
when their parents leave the nest.
461
00:42:46,356 --> 00:42:53,191
趁成鸟不在 机会主义乌鸦来袭
With no adults around, the opportunistic crow moves in.
462
00:42:55,227 --> 00:42:58,196
雏鸟还算幸运
Fortunately for the chicks,
463
00:42:58,265 --> 00:43:02,165
这飞贼只偷走了晚餐
this winged villain was only after their dinner.
464
00:43:09,241 --> 00:43:13,142
得益于多瑙河三角洲繁殖地
Thanks to this breeding site in the Danube delta,
465
00:43:13,211 --> 00:43:17,077
鸬鹚数量40年间激增
cormorant populations have exploded in the last 40 years.
466
00:43:19,389 --> 00:43:21,737
但在这片绿洲之外
But beyond this oasis,
467
00:43:21,806 --> 00:43:25,913
有种欧洲鸟类需要人类援手
there's one European bird that needs a helping hand.
468
00:43:29,227 --> 00:43:31,229
隐鹮已在欧洲野外灭绝
The northern bald ibis has been extinct
469
00:43:31,298 --> 00:43:36,441
逾300年
in the wilds of Europe for over 300 years.
470
00:43:36,510 --> 00:43:40,687
少量个体存活于圈养环境
But a small population survive in captivity.
471
00:43:42,274 --> 00:43:47,141
科学家团队正开展开创性计划
Now a team of scientists are undertaking a pioneering project
472
00:43:47,210 --> 00:43:50,248
通过人工育幼
to bring this ibis back to the wild
473
00:43:50,317 --> 00:43:53,182
教导古老迁徙路线
by raising captive birds,
474
00:43:53,251 --> 00:43:57,358
让隐鹮重返自然
and teaching them their ancient migration routes.
475
00:43:58,394 --> 00:44:02,329
项目基地在德国博登湖畔
The project is based near Germany's Lake Constance,
476
00:44:02,398 --> 00:44:05,125
隐鹮古老夏栖地
the ibis's ancient summer feeding ground.
477
00:44:06,954 --> 00:44:11,752
人工孵化雏鸟由人类养母照料
Here, captive-born chicks are raised by human foster mothers.
478
00:44:17,344 --> 00:44:22,245
雏鸟会铭记破壳时
The chicks visually imprint on the first animal they see,
479
00:44:22,314 --> 00:44:25,041
见到的首个生物
and this connection is for life.
480
00:44:25,110 --> 00:44:28,079
-我已养育了五代隐鹮
-I've raised about five generations now.
481
00:44:28,148 --> 00:44:30,115
每只鸟都有独特个性
Each bird has different characters.
482
00:44:30,184 --> 00:44:31,254
有的羞涩胆小
Some of them are more shy.
483
00:44:31,323 --> 00:44:32,877
有的胆大爱冒险
Some of them are more adventurous.
484
00:44:32,946 --> 00:44:36,225
多年后它们仍会记得
Even in years, they will know that we are the foster parents.
485
00:44:36,294 --> 00:44:40,022
是我们养育训练了它们
They will know that we raised them and trained with them.
486
00:44:40,091 --> 00:44:42,231
想到它们终生都会认得我们
So it's pretty exciting that they will recognize us
487
00:44:42,300 --> 00:44:44,751
实在令人激动
for the rest of their lives.
488
00:44:51,067 --> 00:44:55,244
-利用雏鸟追随人类养母的天性
-Using the birds' innate impulse to follow their human mothers,
489
00:44:55,313 --> 00:44:58,834
团队耗时三个月训练隐鹮
the team have spent the last three months teaching the ibis
490
00:44:58,903 --> 00:45:01,181
跟随超轻型飞机飞行
to follow a microlight airplane through the skies.
491
00:45:03,873 --> 00:45:05,806
目标是教会这些鸟儿
The mission is to teach these birds
492
00:45:05,875 --> 00:45:09,499
前往900公里外意大利中部
the ancient migration routes to their wintering grounds,
493
00:45:09,568 --> 00:45:14,573
越冬地的古老迁徙路线
which are almost 900 kilometers away, in central Italy.
494
00:45:21,201 --> 00:45:24,204
今天是验证成果的时刻
Today is the moment of truth.
495
00:45:27,345 --> 00:45:30,900
团队驾机升空...
The team takes to the air...
496
00:45:37,424 --> 00:45:40,047
...隐鹮紧随其后
...with the ibis following close behind.
497
00:45:42,912 --> 00:45:46,019
鸟类本能被唤醒
The birds' instincts kick in.
498
00:45:48,228 --> 00:45:52,094
它们列队飞行 紧贴养母
They fly in formation and stay close to their mother.
499
00:45:54,303 --> 00:45:57,547
每只鸟都装有无线电标签
Each bird is fitted with a radio tag
500
00:45:57,616 --> 00:45:59,515
记录迁徙路线
to track their route
501
00:45:59,584 --> 00:46:02,656
收集迁徙数据
and capture information about how they migrate.
502
00:46:06,902 --> 00:46:10,043
飞行完美进行
The flight goes perfectly.
503
00:46:10,112 --> 00:46:13,632
全程将达900公里
In total, they will cover almost 900 kilometers.
504
00:46:13,701 --> 00:46:17,498
欧洲乃至全球濒危鸟类
A new hope for endangered birds in Europe and across the world
505
00:46:17,567 --> 00:46:19,949
迎来新生希望
becomes a reality.
506
00:46:20,018 --> 00:46:21,468
-这感觉太奇妙了
-It is pretty amazing.
507
00:46:21,537 --> 00:46:23,470
驾驶飞机带领鸟群
It's the best feeling,
508
00:46:23,539 --> 00:46:25,334
飞越阿尔卑斯山
actually flying with the birds over the Alps.
509
00:46:25,403 --> 00:46:28,337
鸟儿们只因是你驾驶
And the birds are only following because you are the person
510
00:46:28,406 --> 00:46:31,236
才紧紧相随
that is sitting inside the microlight.
511
00:46:31,305 --> 00:46:33,929
这份信任足以让它们生死相随
They trust you so much, they would go anywhere with you.
512
00:46:33,998 --> 00:46:36,966
从未想过能与动物
And I would have never believed that there is the possibility
513
00:46:37,035 --> 00:46:38,315
建立如此羁绊
to bond with an animal like that.
514
00:46:44,077 --> 00:46:47,287
-经过严格训练 30只隐鹮
-After intensive training, all 30 birds make it
515
00:46:47,356 --> 00:46:51,394
全部抵达意大利越冬地...
to their wintering grounds in Italy...
516
00:46:51,463 --> 00:46:55,364
将路线铭刻记忆以供未来迁徙
locking the route into their memory for future migrations.
517
00:46:57,331 --> 00:46:59,955
终有一日它们会将这份知识
One day, they'll pass this knowledge on
518
00:47:00,024 --> 00:47:02,233
传授给野生后代
to their own wild-born chicks.
519
00:47:13,796 --> 00:47:15,142
整个欧洲范围内
Across Europe,
520
00:47:15,211 --> 00:47:18,076
此类野放计划的成功
the success of reintroduction programs like these
521
00:47:18,145 --> 00:47:20,044
正逆转数十年来
are turning back the clock
522
00:47:20,113 --> 00:47:22,287
物种与栖息地流失的颓势
after decades of species and habitat loss
523
00:47:22,356 --> 00:47:25,428
惠及无数生灵
and will help countless other animals.
524
00:47:27,189 --> 00:47:30,226
大自然需要的只是援手
A helping hand is all nature needs.
525
00:47:30,295 --> 00:47:32,194
-自然具有惊人韧性
-Nature is so resilient,
526
00:47:32,263 --> 00:47:34,265
这正是最激励我的地方
and I think that's what inspires me so much,
527
00:47:34,334 --> 00:47:36,094
只要给予自由
is that if you let it go,
528
00:47:36,163 --> 00:47:39,166
最美妙的生态自会复苏
you get the most beautiful things coming back.
529
00:47:41,272 --> 00:47:45,345
-多瑙河三角洲的自然系统修复
-In the Danube delta, the rewilding of natural systems
530
00:47:45,414 --> 00:47:53,146
已产生巨大影响 欧洲正重现野性之美
is already having a huge impact, as Europe discovers a new wild.