But in this Ugandan village...
它们学会了更平易近人一些
they've learned to be a little more approachable.
疣猪和猫鼬的语言并不相通
Warthogs and mongooses don't speak the same language...
但它们却都具备 一种哺乳动物罕见的能力
but they share something exceedingly rare between mammals...
一种跨物种的
a crossspecies collaboration...
自发的
initiated...
身体语言交流行为
by body language.
当疣猪躺倒时 猫鼬就明白
When the hog rolls over, the mongooses understand.
这是一种开餐邀请
It's an invitation to dine.
凭借比我们灵敏一千倍的嗅觉
With a sense of smell 1000 times more sensitive than our own...
它们可以嗅到血液的微弱气味
they detect the faint smell of blood...
找到充满蛋白质的寄生虫
and pick off proteinpacked parasites.
这是猫鼬的营养大餐
A nutritious meal for the mongooses...
也满足了疣猪深度清洁的需求
and a muchneeded deep clean for the warthog.
这种特殊的关系,只在世界上两个地方被发现过
This special relationship is only seen in two places on Earth.
都在距离人类居住区附近,捕食性动物比较少的地方
Both, around human settlements where there are fewer predators...
所以捕食性动物会稍稍放松一点
so prey can relax a little...
和新朋友和平共处
in the company of newfound friends.
随着动物们对现代世界的适应
As animals adapt to the modern world...
也出现了一些最高效
it's giving rise to some of the most efficient
也最能达到预期结果的搭档关系
and effective partnerships of all.
宽吻海豚
Bottlenose dolphins
利用高度尖端的技巧来捕食猎物
use highly sophisticated techniques to catch their prey.
但有些海豚把捕猎技巧,提高到了一个全新的境界
But some have taken hunting to a whole new level...
它们会与另外一种
by teaming up...
智慧生物组队
with another intelligent animal.
巴西拉古纳当地渔民知道,在五月和六月期间
Local fishermen in Laguna, Brazil know that between May and June,
这些河口的水域中会有很多胭脂鱼
these estuarine waters are swimming with mullet...
但水下可见度很差 看不到它们
but it's too murky to see them...
除非可以用听觉
unless you see in sound.
回波定位是一种非常精准的声呐系统
Echolocation is a precision sonar system, that can detect the size,
可以探测猎物的体型 速度和距离
speed, and distance of prey.
海豚利用这种系统寻找胭脂鱼
The dolphins use it to find the mullet...
然后把它们驱赶到一起
and then they shepherd them together.
但成群的鱼非常难以定位
But schooling fish are very hard to target.
海豚的身体跃出水面
So, with a flick of their flukes...
然后扎入水中
they make a distinctive dive...
给渔民朋友们提供一个明显的信♥号♥♥
providing a signature slap that signals to their fishermen friends...
“该撒网了”
"It's time to cast."
这样可以帮助人类网网不落空
It helps the humans land catch after catch.
否则的话 渔民们就是盲目地捕鱼
Where otherwise, they would be fishing blind.
这样做对海豚自己也有好处
It helps the dolphins too.
撒网的时候
When the nets are cast...
胭脂鱼很恐慌
the mullet panic...
鱼阵就会解体
break formation...
分散开来
and scatter...
直接送到等在一旁的海豚口中
straight toward the waiting dolphins.
大家都有满满的鱼获
Everyone gets a belly full of fish.
这是完美的合作关系
It's the perfect partnership.
有战略
Strategic...
有创意
ingenious...
两种智慧生物合作 成功实现目标
with two intelligent species combining to succeed.
我们的世界还有更多值得探索
There's still much to explore in our world.
还有更奇怪的关系有待发现
And even stranger relationships to discover.
其实 地球上最令人惊讶的同盟之一
It turns out, one of the most surprising alliances on Earth...
就躲在我们的脚下
has been hiding right under our feet.
树木的社交生活非常隐秘
Trees lead a secret social life.
在深深的地下
Deep underground...
有活跃的对话正在发生
...there's a lively conversation taking place.
树木会彼此交谈
The trees are talking...
它们通过一种新近被发现的
through a newlydiscovered social network...
被称为森林网络的 社交网络来进行交谈
known as the wood wide web.
菌类生物建造了一个毛发状线的矩阵
Fungi, form a matrix of hairlike threads...
从树根处汲取糖分
detach sugars from tree roots...
作为回报
and in return...
它们给树木提供 从土壤中虹吸出来的矿物质
they provide the tree with minerals, they siphon from the soil.
这种秘密的地下关系,也让更难以预料的事情
And this secret subterranean relationship allows something even more unexpected
发生了
to take place.
一旦树木彼此连接起来
Once the trees are connected...
它们就可以交换信息
they can exchange information...
关于干旱和疾病的重要警报
vital warnings of drought and disease.
这棵花旗松已经在这里矗立了几十年
This Douglas fir has stood for decades.
但现在 它面临着危机
But now, it's in peril.
花旗松甲虫有一个可怕的计划
A Douglas fir beetle has a deadly plan...
它要发起一支军队
to raise an army...
来取这棵树的性命
and kill the tree.
通过散播化学素和电子信♥号♥♥
Broadcasting chemical and electrical signals,
这棵花旗松警告附近的邻居,释放防御性毒素
the fir warns its neighbors to produce defensive poisons.
但可能太迟了无法自救
But it may be too late to save itself.
这种豌豆大小的害虫 挥发出一种信息素
The peasized pest emits a pheromone...
锁定了这棵树的命运
...that could seal the fir's fate.
它在呼叫援兵
It's calling reinforcements...
号♥召发起大规模袭击
and summoning a mass invasion.
甲虫们
Beetles...
纷纷来到这里
arrive...
交♥配♥
mate...
产卵
and burrow in.
它们的幼虫把这棵树当做食物
Then their young eat the tree alive.
这棵高大的花旗松会在几周之内死掉
This mighty fir will be dead within weeks.
但这棵即将死去的巨树,最后做了一件无私的事情
But in a selfless final act...
把糖分从树根处转移
the dying giant diverts sugars to its roots...
好让这种维持生命的供给,可以在整个森林网络中♥共♥享
...so these lifegiving supplies can be shared through the "woodwide web."
这样做可以帮助周围的树和小树苗
And in doing so, it helps neighbors and offspring
长得更加强壮
to grow stronger.
一个生命逐渐消逝
As one life ebbs away...
森林里其余的树木
the rest of the forest
得到了更好的准备,可以为它们的未来而战
becomes better prepared to fight for its future.
我们还在探寻树木与菌类之间
We're still discovering the power of the connection
连接的强大能力
between trees and fungi.
但我们已经清楚
But it's already clear...
这种深处树根部的关系,就是地球上所有生命的基础
this deeprooted relationship is fundamental to all life on Earth.
有人说在大自然中,只有最强大的才能生存下去
They say in nature that only the strongest survive.
但有了合作
But when cooperation...
有了交流
and communication...
动物和植物就可以连接到一起
bring animals and plants together...
形成超级强大的力量
and superpowers combine...
就连最弱小的也会变得势不可挡
even the most vulnerable can become unstoppable.
你觉得自己了解大自然
If you think you know nature...
真的如此吗?
...think again.