creating a 3foot, nofly zone all around him.
因为它不是唯一一个 为了交♥配♥而大声歌♥唱的
And as he's not the only one singing for a mate,
整片草地现在都有一种 震耳欲聋的声音网来保护了
the whole meadow is protected by a deafening blanket of sound.
这可以赶走蝙蝠
Turns out what drives bats away,
让雌性意乱神迷
drives female coneheads wild.
声音越大就越好
The noisier, the better.
通常 最好的防御
Often the best defense
就是最好的进攻
is the best offense.
在加勒比海地区 一种动物凭借这一点转败为胜
In the Caribbean, it helps one animal snatch victory from the jaws of defeat.
夜幕降临 对大珊瑚礁上的小鱼来说 是个危险的时间
Nightfall,
a dangerous time to be a small fish on a big reef.
这条泗水玫瑰鱼身长只有2.5厘米 需要避免成为狮子鱼
Only one inch long, this cardinal fish needs to avoid becoming next
下一顿美餐
on the lion fish menu.
但它自己也要寻找食物
But he must to catch dinner, too.
光敏感度很高的大眼睛 可以在黑暗中看到小小的猎物
Huge lightsensitive eyes help pinpoint small prey in the dark.
甲壳类介形虫只有一粒沙子那么大
Ostracods, crustaceans the size of a grain of sand
应该是完全可以掌控的一餐
should make a manageable meal.
但它却咬到了一块硬骨头
But he's bitten off more than he can chew.
介形虫体内储存着 一种挥发性的化学物质
Ostracods store a volatile cocktail of chemicals inside their bodies.
受到袭击时 化合物混合起来 造成生物发光的现象
If attacked...
the compounds mix, igniting an explosion of bioluminescence
比手电光还要亮
brighter than a flashlight
造成非常不好的口味
and leaving such a bad taste...
让泗水玫瑰鱼把它毫发无伤地吐出来
that the cardinalfish spits it out unharmed.
介形虫储存了足够多的这种化学物质
Ostracods store enough of these chemicals
可以连续引爆十次
to detonate ten times in a row.
这只甲壳类介形虫的逃脱计划 甚至更加聪明
And this crustacean's escape plan is even more brilliant.
闪光如此明亮 不仅可以晃瞎对手
The flash is so bright,
it not only blinds...
还可以暴露对手
it also betrays.
让可怜的泗水玫瑰鱼暂时失明
Leaving the poor cardinalfish temporarily unable to see,
但却容易被其他动物发现
but easily seen.
在海洋中 总是有更大的鱼存在
In the ocean,
there's always a bigger fish.
终极猎手
The ultimate hunter,
分布最广泛的捕食者
the most widespread predator of all...
在海洋中无处不在 虎鲸用令人惊叹的方式
...in every corner of every ocean,
调整自己的捕猎技巧
orca adapt their hunting technique in extraordinary ways.
在北冰洋的峡湾中 它们用鱼鳍打晕鱼类
In arctic fjords, they stun the fish with their fins
然后把它们从鱼群中带走
and pick them off their school.
在开阔的大洋中 它们联合力量
In the open ocean, they use combined force
追捕世界上最大的动物蓝鲸
to chase down blue whales, the largest animal that's ever lived.
但最令人震惊的猎手虎鲸都在这里
But the most impressive orca hunters of all are found here.
巴塔哥尼亚的瓦尔迪兹半岛 有一群虎鲸
Patagonia's Peninsula Valdez is patrolled by a pod
它们的捕猎方式非常困难 非常危险
with a hunting technique so difficult, so dangerous,
要几年的时间才能学会如何去做
it takes years to learn how it's done.
把这个秘密代代相传下去 是雌性首领的任务
It's the matriarchs job to pass her secrets down the generations.
家族里其他成员要跟从这位资深专家
The rest of the family learn from the four decades of hunting experience
学习几十年的捕猎经验
of this seasoned pro.
每年春天 海狮们来到 巴塔哥尼亚这片海滩上交♥配♥繁殖
Every spring, sea lions come to breed on these Patagonian beaches.
年轻的幼崽在浅水里学习游泳
And young pups learn to swim in the shallows,
避开捕食者
out of reach of the hunters.
差不多能避开吧
Almost.
雌性首领在教家人如何捕猎它们
The matriarch is teaching her family how to target them.
几乎每天的程序都差不多 它带领着家族
Following the same route almost everyday, she guides her pod
进行海岸地图测绘工作
on a coastline charting course.
它们的大脑强大 交流技巧高超
With remarkable brain power and communication skills,
它鼓励家人们标记地标
she motions to her family pointing out landmarks.
这可以协助年轻一代 把最好的捕猎海滩地图记在脑子里
It helps youngster build a mental map of the best hunting beaches.
一路走来 它还教他们 如何离开自己的舒适区
Along the way, she also teaches them how to push beyond their comfort zone.
在虎鲸开始抓猎物之前
Before an orca can begin catching its prey,
它们必须先学会如何在浅水里行动
they must first learn how to operate in shallow water.
但搁浅的风险很大
But the risk of stranding is very real.
六吨♥重的虎鲸很容易 被自己的重量拖垮
A sixton orca will quickly crush itself under its own weight,
但如果它们难以让自己重新漂浮起来
but if they struggle to refloat themselves,
旁边的雌性首领就会帮它们回到海里
the matriarch is by their side to help them back to sea.
即便如此 虎鲸还是要经过漫长的六年之后,才能准备好捕猎
Even so,an orca is only ready to attempt hunting for real after six long years.
大♥师♥开始工作了
The master at work.
靠近捕猎的海滩 雌性首领停止发出声音
Approaching the hunting beach, the matriarch stops vocalizing.
它仔细听着
She listens...
它知道该在什么时候出击
She knows exactly when
and where to strike.
潮水位高时
High tide,
沙滩被海水覆盖
a steep beach
圆圆的卵石有助于它游回海里
and round pebbles to help her roll back to sea
还可以带回许多 未曾料到自己命运的猎物
with plenty of unsuspecting prey.
它还在等待幼崽们进入最佳位置
She waits till the pups are in prime position.
就在浪花之中
Right in the surf,
太浅了没法安全游走
too shallow to swim to safety...
水花太大 看不到它过来
too turbulent to see her coming.
这种完美捕猎的大♥师♥级教学
These masterclasses in predatory perfection
对传递技巧来说至关重要
are vital to passing on her skills.
当年轻一代准备好真正捕猎时
So when they're ready to hunt for real, the next generation
也就充分准备好 进行捕食者与猎物之间的战争了
is fully prepared for the battle between predator and prey.
生命是一种使命
Life is a mission.
主要的目标就是活下去
The main objective: survival.
动物们进化出了秘密武器
Animals have evolved secret weapons...
以及隐藏的技巧
and hidden skills
在智力上超过对手
to outsmart their enemies.
在这些生死关头
So in those life or death moments,
需要最了不起的强大力量 才可以占上风
it takes the most extraordinary super powers to prevail.
你认为自己了解大自然
If you think you know nature,
真的如此吗?
think again.