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1、行走在地球上最强大的掠食者The most powerful predators to walk the Earth.但要登上顶峰需要的.But it takes more than brute force.不仅仅是蛮力.to reach the top.凭借非凡的脑力With remarkable brain power,并最大限度利用地所有机会and by making the most of any opportunity,熊统治着地球上一些生存环境最残酷的土地bears rule some of the planet's most hostile lands.但幼崽并不是天生就
2、具备生存的技能But cubs aren't born with the skills to survive.它们需要被教导They need to be taught.所以熊妈妈要做的工作就是So a mother bear has her work cut out让幼崽准备好preparing her cubs面对这个世界to face the world.剧名:熊(美国 马萨诸塞州)被冬天的冰冻笼罩着Locked in winter's icy grip,北部的森林northern forests像是定格了一般are still.寂静无声Silent.没有迹象表明No c
3、lues to suggest一头巨熊that hidden beneath the snow,藏在积雪下睡觉a giant lies asleep.呼吸缓慢Breathing slow.心跳每分钟只有八次Heart beating just eight times a minute.自秋天以来就没有东西吃Nothing to eat since fall.三个月以来For three months,这头美洲黑熊一直处于冬眠状态this American black bear has been in suspended animation.更为神奇的是.Even more miraculous
4、.三周前three weeks ago,它醒来的时间刚好足够she woke just long enough to give birth生下三只幼崽to three cubs.每只幼崽只有一罐汤那么重Each just the weight of a can of soup.虽然它只能靠脂肪储备生存Though she's surviving on nothing but fat reserves,但它的宝宝不会挨饿her babies won't go hungry.它的乳汁非常充足Her milk so rich,以至于幼崽的体型 已经是原来的两倍大they've
5、 already doubled in size.同样的故事正在北美洲各地上演This same story is unfolding across North America.超过50万头正在冬眠的黑熊Over half a million hibernating black bears.要么藏在地下Underground.或者窝在倒下的树底Or tucked under fallen trees.难以置信的是 有些就在露天环境里Some, incredibly, right out in the open.幼崽紧紧依偎在一起 靠着妈妈的温暖存活Cubs snuggle close, kep
6、t alive by their mother's warmth.但这位妈妈But this mom选择了最舒适的巢穴picked the coziest of dens.当春天最终到来时When the spring finally arrives,它艰难的工作就会开始her hard work will begin.一头熊的成长环境A bear's upbringing会决定它的一生shapes the whole of its life.地球上只有八种熊There are just eight species of bear.分布在从亚洲丛林Found from the
7、jungles of Asia到北极冰原地区to the ice sheets of the Arctic.有些熊小得惊人Some are surprisingly small,体型只有一条狗那么大just the size of a dog.其他熊的体重则接近900公斤Others weigh in at nearly a ton.虽然所有熊都被归为食肉动物Though all are classified as carnivores,但大多数熊能吃到什么就吃什么most eat whatever they can get their paws on.但如何在合适的时间找到合适的食物But
8、how to find the right food at the right time只能由尽职的母亲教授can only be taught by a devoted mother.每头熊在自己的家园都面临挑战Each bear's home comes with its own challenges.所以 学会使用脑力So learning to use brains和体力as well as brawn对于生存而言至关重要is crucial to survival.北极的冬天The Arctic winter.一片肃杀Hostile.死气沉沉Lifeless.不过Well,也
9、并不完全如此not entirely.(挪威 斯瓦尔巴)即使在零下40度Even at 40 below,北极熊的保温性能也很好a polar bear is well insulated,它外有一层皮毛with a double layer of fur内有一层像男人胳膊那么粗厚的脂肪毯and a blanket of fat as thick as a man's arm.北极熊永远不用冬眠Polar bears never have to hibernate.冬天是它们狩猎的季节Winter is their hunting season.海豹是它们最喜欢的猎物Seals are
10、 their favorite prey,北极熊利用它们惊人的嗅觉and polar bears use their astounding sense of smell探测距离遥远的海豹to detect them many miles away.这头雄性北极熊闻到了一股气味This male has picked up a scent,但那不是猎物but it's not prey.而是其他熊It's other bears.众所周知 雄性北极熊会杀死非自己所生的幼崽Male bears are known to kill cubs that are not their ow
11、n.这头妈妈年轻但接近成年的幼崽 并不怎么娇弱This mom's young, near fully grown, are not so vulnerable.不过 最好还是保持距离Still, best to keep their distance.在能够自力更生之前Before they can strike out alone,它们需要完善自己的狩猎技能they need to perfect their hunting skills.这可能是And this may be a chance妈妈的一次授课机会for Mom to show how it's done.迎
12、风接近Approach from downwind.使用伪装Use camouflage.潜入攻击范围Sneak into striking range.经过每次成功的狩猎With each successful hunt,妈妈都会帮助它的幼崽变得更强壮、更聪明Mom helps her cubs grow stronger and wiser.一旦幼崽离开妈妈 这些课程将会Once they leave her, these lessons will make the difference决定生死between life and death.(美国 马萨诸塞州)熊从离开巢穴那天起 就开始向妈
13、妈学习Bears start learning from Mom the day they leave the den.春天终于来到黑熊一家门前Spring has finally arrived for the black bear family,大自然正在召唤它们and the great outdoors is calling.熊妈妈自秋天以来 减掉了超过45公斤的脂肪Mama bear has lost over 100 pounds of fat since fall,几乎是它体重的一半nearly half her body weight,所以它已经准备好开始行动了so she
14、39;s ready to get going.但幼崽吃饱喝足But happily full of milk,似乎不那么着急her cubs seem in less of a hurry.这是一个全新的世界It's a whole new world.攀登是与生俱来的技能Climbing comes naturally.即便如此 这条路还是有点像障碍赛道Even so, it's a bit of an obstacle course.从第一次跨栏开始.Right from the first hurdle.妈妈就支持着它们Mom's got their back.
15、它自己既是供养者 也是教导者和保护者She alone is provider, teacher, and protector.责任重大It's a huge responsibility.大约有三分之一的幼崽活不过第一年Around a third of cubs don't survive their first year.它们会面临的一个最大危险One of the greatest dangers they'll face就是其他熊is other bears.(美国 阿♥拉♥斯加州)棕熊 有时被称为灰熊Brown b
16、ears, sometimes known as grizzlies,已经从山上的冬穴下来have come down from winter dens in the mountains.它们聚集在沿海的草地上吃莎草They gather in coastal meadows to feed on sedge grass.熊不像猫科动物或犬科动物那样 保卫自己的领地Bears don't defend a territory like cats or dogs,但是它们仍然知道谁是老大but they still know who's boss.这头年老的雄性霸主This ol
17、d dominant male多年来一直对这片牧场拥有主♥权♥has laid claim to this grazing spot for years.它需要增加体重He needs to pile on the pounds这样繁殖季节到来时 它才能和任何so he can take on anyone who dares challenge him敢于挑战自己的棕熊对抗when breeding season arrives.这片草的肌肉发育蛋白含量高得惊人This grass is surprisingly high in muscle-bu
18、ilding protein.但如果你比一般熊更聪明But if you're smarter than the average bear,就能找到更多富含营养的食物there's even more nutritious food to be found.这位妈妈要带自己的幼崽This mom is taking her cub享受一次独一无二的的进餐体验on an exclusive dining experience.泥泞的海滩可能看起来荒凉贫瘠.A muddy beach might look unpromising.但是稍微挖掘一下 .就能发现下面的宝藏can une
19、arth some treasure. .but a little digging一旦找到一只蚌蛤Once you've found a clam,就需要去壳it needs shucking.这是一项出奇精细的操作A surprisingly delicate operation.不是所有的熊都有这个本事Not all bears here can do this.它是从自己妈妈那里学来的She picked it up from her mother.现在它要传授下去And now she's passing it on.退潮时At low tide,有天赋的蚌蛤捕手 可能
20、收获100只味鲜肉美的小食a talented clammer might get a hundred of these juicy treats.这比起在同一时间吃草A much better protein hit能获取更多蛋白质than from the same time spent grazing.教授女儿本领 就能使它在竞争激烈的世界中占得先机Teaching her daughter will give her a head start in a competitive world.一头陌生的棕熊A stranger.还是撤退吧Time to back off.又一节重要的课程A
21、nother important lesson.尽量避免对抗Avoid confrontation if you can.愤怒的熊有着山崩地裂的力量An angry bear is a force of nature.即便对手体型更大Even when the opponent is bigger,也绝对招架不住熊never bet against a bear.或它的爪子Or its claws.熊爪长达10厘米 是极其可怕的武器Up to four inches long, they're fearsome weapons.但它们也是多用途工具But they're als
22、o multi-purpose tools.攀爬钉Climbing spikes.铁铲Shovels.冰钩Ice hooks.甚至是镀银餐具Even silverware.需要好好抓痒的时候.And when it's time for a good old scratch.什么都比不上自己的爪子.there's nothing better.有些最长的爪子Some of the longest claws长在体型最小的熊身上belong to the smallest of bears.虽然大小只是棕熊的十分之一Just one-tenth the size of a gri
23、zzly,马来熊却是丛林生存方面的专家a sun bear is a jungle survival specialist.(马来西亚 婆罗洲)在杂乱的植被中寻找食物Finding food in the tangle of vegetation并不容易isn't easy.但凭着几乎无与伦比的嗅觉.But with an almost unrivaled sense of smell.它跟着自己的鼻子走he follows his nose.它已经缩小了香甜之气的来源范围He's narrowed down the source of the sweet aroma.现在只有
24、一个问题了Just one problem.气味来自大上面It's all the way up there.四层楼高Four stories high.但是马来熊But sun bears很喜欢蜂蜜love honey.幸好它们还是冠军级别的攀岩手Good thing they're also champion climbers.那些又弯又长的爪子 抓地力很好Those long, curved claws give excellent grip,像狗一般大小的身躯让它轻盈敏捷and a dog-sized frame keeps him light and agile.可是
25、But它爬错树了he's barking up the wrong tree.现在And now它有了一个竞争者he's got competition.或者没有?Or has he?马来熊也喜欢享用腐烂的原木Sun bears also love feasting on grubs inside rotten logs.趁着另一只熊分心While the other bear's distracted,换树的机会来了a chance to switch trees.蜜蜂很生气The bees are angry,但是幸好没有蛰针but thankfully sting
26、less.终于.At last.它找到了宝藏he's struck gold.那些爪子也是使用方便的蜂蜜勺Those claws also make a handy honey scoop.剩下的就由25厘米的舌头来完成And a ten-inch tongue does the rest.只要是在丛林里觅食When it comes to finding food in the jungle,马来熊必定“舌”到成功sun bears have it licked.但由于赖以生存的森林遭到砍伐 被用来耕地.But as the forests they rely on are clea
27、red for agriculture.马来熊逐渐无家可归it's leaving sun bears homeless.更容易遭受捕猎 成为传统药材And more exposed to poaching for traditional remedies.它们现在是地球上最稀少的熊They're now the rarest bear on Earth.甚至Rarer even比最神秘的熊还要稀少than the most enigmatic bear of all.(中国 四川省)大熊猫一生中大部分时间The giant panda spends most of its l
28、ife只吃一样东西eating just one thing.竹子Bamboo.这只大熊猫可以消磨12个小时She can lounge around for 12 hours狼吞虎咽地吃竹子gorging on the stuff.竹子占据它饮食的99%It makes up 99% of her diet.它是唯一一种She's the only bear爪子上有籽骨的熊 有点像大拇指with a bony pad on her paw, kind of like a thumb.做竹子热狗再合适不过了Perfect for making a bamboo hot dog.素食似乎
29、是个奇怪的选择This veggie diet seems a bizarre choice.熊猫本来已经进化成了食肉动物Pandas evolved to eat meat.但是因为竹子资源丰富But because bamboo's plentiful而且常年生长and grows year round,数百万年来 它们投向了更容易的选择over millions of years, they switched to the easier option.问题是Trouble is,它们的肠道还没有完全适应消化竹子their gut hasn't fully adapted
30、to digest it.因此它只能靠大量进食才能生存So she only survives by doing a lot of eating.所以就几乎做不了其他事了And very little else.但是当人类砍掉亚洲的大♥片♥竹林时But when humans cut down swathes of Asia's bamboo forests,熊猫没有食物可吃pandas had nothing left to eat被迫濒临灭绝and were forced to the brink of extinction.如此特殊的饮
31、食纯属例外Such a specialized diet is the exception.大多数熊有着更冒险的口味Most bears have more adventurous tastes.(美国 明尼苏达州)加拿大边境的森林The forests on the Canadian border是数以万计美洲黑熊的家园are home to tens of thousands of black bears.现在是仲夏 这位妈妈正带领着它的幼崽It's midsummer, and this mother is leading her cubs掠夺性进食on a feeding fo
32、ray.它用柔和的咕噜声让幼崽不掉队She keeps them on track with soft grunts.六个月大的幼崽好奇心很重At six months, they're curious.但还是很天真But still naive.妈妈必须要留心它们 听着它们的声音Mom must be their eyes and ears.妈妈用低沉的哼叫声告诉它们Her low moan tells them事情不对劲something's not right.一只雄性黑熊A male.它可能杀死幼崽He could kill her cubs强迫妈妈回到发&he
33、arts;情♥期and force her back into heat.妈妈咆哮时 就该躲起来了When Mom growls, it's time to hide.妈妈在警告那头雄性She's warning the male,但它没有领会到这一信息but he's not getting the message.那声咳嗽的意思是“攀爬”That cough means "climb."现在妈妈必须保持镇定 坚守阵地Now Mom must keep her nerve and stand her ground.直到对方明白
34、Until he understands它是个不好惹的角色she's not to be messed with.自从离开巢穴后Ever since leaving the den,妈妈一直鼓励它的幼崽攀爬Mom's encouraged her cubs to climb.成功了It's paid off.在它确定海岸安全之前Till she's sure the coast is clear,幼崽会远离地面they'll stay off the ground.这是继续进行攀岩练习的一次机会A chance for some more climbin
35、g practice,而妈妈会趁此机会 欣慰地打个盹while Mom grabs a bit of well-earned shut-eye.但不能睡太久But not too much.秋天要来了Fall is coming,全家都需要吃饱and the whole family needs to feed up.在生存环境更残酷的地方In more hostile lands,找到食物和水finding food and water是常年都要面对的挑战is a year-round struggle.(秘鲁 安第斯山脉)这些山峰或许看起来不宜居住.These peaks may look
36、 uninhabitable.但是对于一些眼镜熊来说but for a few spectacled bears,这里是家园it's home.南美洲唯一的熊种The only species of bear in South America.现实生活中的帕丁顿熊The real-life Paddington.但这里不需要穿粗呢外衣或戴防雨帽But no need for a duffle coat and rain hat here.最高的山脉挡住了云层.The tallest mountains block clouds.形成了高海拔的沙漠.creating a high-alt
37、itude desert.这里可以连续八个月不下雨It can go eight months without rain.这里是方圆数公里内唯一的天然泉水This is the only natural spring for miles.郁郁葱葱的绿洲A lush oasis.它可以在这里休息一整天He could chill out here all day.若一只雄性独占浴池When a male hogs the bath,其他雄性就必须更加足智多谋others must be more resourceful.这头熊妈妈在向幼崽展示This mother is showing her
38、cub即使是树干how even a tree trunk也有助于生存can be a survival aid.相比同体型的任何熊来说 它的下巴最有力With the strongest jaws for her size of any bear,所以能很容易把树干撕裂 喝到里面的水分she easily tears it apart to reach the moisture inside.食物和水如此稀缺Food and water are so scarce,它必须保存体力she must save energy.经常休息Rest often.离开地面会更凉爽一点It's a
39、lot cooler off the ground,但细长的树枝不能提供太多支撑but spindly trees don't offer much support.所以它做了一件其他熊没有做过的事So she does something no other bears do.它自己制♥作♥了一张床She makes her own bed.正是这种独创性It's this ingenuity帮助它渡过难关 直到雨季最终回归that helps see her through till the rains finally return
40、.天然空调Naturally air-conditioned.舒适至极Nice and comfy.午睡的最佳地点The perfect spot for a siesta.(美国 阿♥拉♥斯加州)在遥远的北方In the far north,生活不怎么太平life is less peaceful.棕熊霸主The dominant grizzly.自春天以来Since spring,它每天增重一公斤he's packed on two pounds a day.它需要额外的体重He needs the extra weight.体型高大和心
41、狠手辣使得它成为老大It's being bigger and badder that makes him the boss,统治着最佳进食地点controlling the best feeding spots并且与当地的雌性♥交♥配and mating with the local females.但在掌权十年后But after a decade in charge,它似乎风采不如当年he seems to be losing his charm.还有一个更严重的问题正在逼近And a bigger problem is coming
42、his way.一头年轻的熊嗅到了它的软肋A younger male has sensed weakness.熊老大需要向雌性证明自己The boss needs to prove himself to the females让这头年轻的熊知道 谁是这里的掌权者and show junior who's in charge around here.牛仔大摇大摆地走来走去The cowboy swagger.就是要用气势压倒对方It's meant to look imposing.唯一的问题是The only thing is,这头年轻的棕熊体型庞大the youngster
43、 is enormous.但是在雌性的注视下.But with females watching on.现在可不能退缩.no backing out now.昔日的老大已经倒下The old boss is down for the count.这片草地的管理层发生变化The meadow's getting a change in management.立即生效ive immediately.旧主的统治结束了The old boss's reign is over.雌性做出了聪明的选择The female made the smart choice,等待一头更强壮更健康的棕熊
44、来当它孩子的父亲holding out for a stronger, fitter bear to father her cubs.它在漫长而温暖的日子里He spends the long, warm days收获回报reaping the rewards.但是在更遥远的北部But even further north,仅仅度过夏天just getting through the summer就是一场严峻的挑战is a serious struggle.每年随着北极变暖Each year, as the Arctic warms,海冰向北消退the sea ice retreats nor
45、th.北极熊被困在陆地上 这里几乎没有食物可吃Polar bears become stranded on land, where there's little to eat.如今 气候变化使得冰融化得更早And now that climate change is making the ice melt earlier,北极熊挨饿的时间更长polar bears go hungry for longer.妈妈必须拼尽全力A mom must do what it takes让全家活下去to keep her family alive.即使这意味着带领它们走向危险Even if it
46、means leading them towards danger.在阿♥拉♥斯加北部海岸On the north Alaskan coast,勉强果腹的捕鲸者留下了大堆骨头subsistence whale hunters leave piles of bones.在饥饿的驱使下Driven by hunger,北极熊一起去拾荒觅食bears come together to scavenge.它们互相忍♥受.到一定的程度They tolerate each other. to a point.妈妈知道它的幼崽 极易被脾气暴躁
47、的成年北极熊伤害Mom knows her cubs are vulnerable among bad-tempered adults.但是饥饿的威胁更严重But the threat of starvation is even worse.幼崽将必须学会忍♥辱负重 委曲求全The cubs will have to learn to cope with uncomfortable situations like this如果它们想熬过 之后更久更炎热的夏天if they're to survive longer, hotter summers ahead.即便如
48、此 根据预测 北极熊的数量 在未来几十年里Even so, polar bear numbers are predicted to fall by a third会减少三分之一over the next few decades.它们不是唯一受到威胁的物种They're not the only ones under threat.地球上这八种熊中有六种极其灭绝Six of the eight bear species are vulnerable to extinction.最大的威胁Their biggest threat就是栖息地的丧失is habitat loss.许多熊也面临着
49、迫♥害♥Many also face persecution.但现在为时未晚 依然可以拯救它们But it's not too late to save them,保护它们繁衍生息所需的荒野.to protect the wilderness they need to thrive.并通过营救and help bears by rescuing,恢复栖息地rehabilitating,释放被圈养的熊帮助它们and releasing them.实践证明 这些手段是有效的It's been shown to work.育种项目和森林保护
50、Breeding projects and forest protection几乎使野生熊猫的数量翻了一番have almost doubled the number of wild pandas.如果我们给熊留出空间If we make room for bears,剩下的就可以交给它们极强的适应力their adaptable nature will do the rest.只要有人为它们指明道路As long as they have someone to show them the way.随着秋色席卷北美洲的大地.As fall colors sweep across North A
51、merica.美洲黑熊妈妈还需要做最后一次努力 让幼崽为冬天做好准备black bear mothers have one last push to get cubs ready for winter.它们的目标是高热量食物They target foods high in calories.好年景时 橡果的丰收 能够提供大量的碳水化合物和脂肪In a good year, the acorn harvest provides plenty of carbs and fat.但如果缺乏野外食物But when there's not enough food in the wild,熊就会前往市区.bears get their dinner to go.打包食物带走heading downtown充分利用我们扔掉的食物to make the most of the food we throw away.在城市丛林里In the urban jungle或者在野外or out in the wild,熊依赖于它们足智多谋的本能 在秋天吃饱bears rely on their resourceful nature t
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