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‪NETFLIX 纪录片系列

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‪海豚身上有一种神奇之处

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‪它们看起来亲切友好

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‪却又超凡脱俗

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‪它们智慧超群

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‪且行动敏捷

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‪但我们见识到的仍然只是冰山一角

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‪现在我们可以沉浸在它们的世界中

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‪探索它们究竟有多精妙复杂

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‪我们探索得越深

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‪就越能发现它们和我们的共通之处

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‪剧名：海豚科动物

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‪（北大西洋 巴哈马群岛）

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{\an8}‪（水温26摄氏度）

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‪出生在连呼吸都困难的世界里

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‪这头幼小的大西洋斑点海豚

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‪有很多海洋生存技能需要学习

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‪好在它身边有一群良师益友

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‪妈妈

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‪以及由家人和朋友组成的
‪更广泛的群体

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‪它们会帮忙教授它

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‪如何觅食

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‪以及如何躲避危险

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‪但海豚社会很复杂

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‪最大的挑战

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‪是学会如何融入其中

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‪这些温暖的浅水区域

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‪也是另一个物种的家园

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‪宽吻海豚

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‪这里可能看起是海豚妈妈
‪养育新生幼崽的完美地点

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‪但就算在这里

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‪生活也并不容易

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‪它们被跟踪了

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‪一群雄性海豚

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‪在寻找伴侣

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‪它们为了接近妈妈
‪可能会攻击小海豚

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‪更多海豚加入了追逐中

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‪当妈的为了保护幼崽 不惜拼尽全力

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‪最终

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‪海豚妈妈把它们都赶跑了

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‪但是它的孩子却不见了

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‪孤军奋战的话

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‪它的机会将非常渺茫

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‪最终和妈妈

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‪及其同伴重聚

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‪小海豚的处世之道愈发睿智

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‪但它成长的训练才刚刚开始

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‪海豚科动物是呼吸空气的哺乳动物
‪和我们一样

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‪它们的祖先曾经生活在干燥的陆地

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‪但是五千万年前

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‪它们做了一件了不起的事

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‪它们离开了陆地

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‪开始了海洋生活

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‪这一科的其中一个分支

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‪成为了巨型滤食性须鲸

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‪它们则成为了体态流线

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‪思维敏捷的掠食者

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‪当今 有超过40种海豚
‪在海洋世界中猎食

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‪从热带水域…

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‪到极地海洋

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‪就连内陆上千公里的江河中
‪都有它们的身影

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‪哪里有猎物

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‪哪里就有海豚
‪在用机智巧妙的方式捕捉它

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‪虎鲸是这一科中数量最大的成员

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‪它们可以长到9米身长

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‪七吨体重

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‪每一头每日都需要吃掉45公斤的食物

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‪这在极地冬日可不容易做到

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‪除非你知道要去哪里寻找

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‪（挪威海 科瓦罗亚岛）

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{\an8}‪（水温6摄氏度）

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‪在最冷的那几个月

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‪它们最喜爱的猎物受到峡湾的庇护

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‪鲱鱼

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‪数十亿条的鲱鱼

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‪追踪到它们具体的位置

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‪并不是一件易事

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‪抓捕它们则更加困难

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‪由一位经验丰富的雌性带领

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‪虎鲸一家向巨型鱼群风暴直奔而去

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‪只要鲱鱼们保持好队形

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‪每一条都不容易单独成为目标

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‪但虎鲸自有计划

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‪通过脉冲式呼叫

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‪以及展现自己白肚皮

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‪它们把鲱鱼群赶到了浅滩

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‪在惊慌之中
‪鱼群的集结方式越来越密实

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‪直到最后

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‪虎鲸可以开始出击

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‪将尾鳍重重甩向鱼群
‪形成强大的压力波

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‪一波波足以致昏的重击

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‪等鱼被击晕之后

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‪虎鲸就可以慢慢享用大餐了

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‪海豚通过团体合作

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‪将捕猎的成功率最大化

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‪而在辽阔的海域

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‪它们的行动规模则十分壮观

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‪一群蜂拥而至的飞旋海豚

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‪超过一千条海豚的超级群体

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‪它们组成了一支
‪捕猎能力异常高效的海豚大军

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‪可以在很长一段时间内不捕食

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‪（南大西洋 费尔南多迪诺罗尼亚）

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{\an8}‪（水温26摄氏度）

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{\an8}‪在巴西东海岸320多公里处

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‪这片群岛是飞旋海豚

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‪最喜爱的落脚之处

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‪它们游向群岛的浅滩海湾

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‪最先到达的那群兴致很高

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‪海豚家族里的奥运会体操队员

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‪它们可以跳出水面三米之高

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‪并旋转七周

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‪看起来很有趣

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‪但这些杂技动作
‪被认为还有更深层的意义

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‪或许它们在沟通

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‪在向其他进入海湾的海豚致意

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‪群体增大带来了安全感

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‪飞旋海豚可以放松一些了

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‪但是它们也不能完全睡死过去

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‪不然就会被淹死

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‪所以它们每次会先关闭一边的大脑

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‪睁着一只眼 好知道自己前进的方向

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‪以一半的速度边睡边游

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‪年长的海豚休息时

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‪年轻的海豚开始嬉戏玩耍起来

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‪一种接海草的游戏

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‪看起来很简单

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‪但是玩法却出人意料地复杂

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‪操控物体

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‪有样学样 更重要的是

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‪了解彼此

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‪一种小海豚在成长过程中

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‪必须要掌握的技能

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‪（北大西洋 巴哈马群岛）

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{\an8}‪（水温26摄氏度）

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‪一岁大的时候

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‪大西洋斑点海豚幼崽
‪基本可以流畅地掌握海豚语言了

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‪很多事情都可以通过
‪身体语言与抚摸来交流

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‪摩擦彼此的鳍表示安心

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‪就像握手一样

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‪但有些事情只能通过声音来表达

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‪它的妈妈在重复一种独特的呼叫

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‪海豚妈妈的专属口哨

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‪这会帮助它在众多同伴中
‪找到自己的妈妈

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‪等到它学会之后

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‪就可以通过名字呼唤妈妈了

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‪现在是时候体验一下自己的口哨了

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‪就像人类小孩一样

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‪海豚需要数年时间才能学会语言功能

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‪它们一旦开始表达

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‪就成了小话痨

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‪但海豚的声呐技能
‪可不仅仅是为了表达

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‪当地宽吻海豚在海底寻找食物

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‪表面上貌似没有什么

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‪但是我们看不到的 它们可以

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‪它们会发射出一串高频率的咔嗒声

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‪一秒钟可达500下

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‪然后再通过解读回声

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‪锁定藏在沙中的鱼

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‪回声定位是一种非同凡响的第六感…

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‪可以让海豚在最不可能的地方捕猎

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‪（北大西洋 南卡罗来纳州）

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{\an8}‪（水温26摄氏度）

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‪在一个泥石河口

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‪潮水正在褪去

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‪这种时候

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‪游向内陆可能是一项危险的举动

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‪但这只海豚知道河口里挤满了鱼

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‪利用回声定位

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‪它可以在泥水中导航

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‪找到猎物

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‪唯一的问题是

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‪退潮时它们都藏在牡蛎层中

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‪硬冲进去会刮坏它敏感的皮肤

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‪它需要想办法

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‪把鱼赶到空旷的水域

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‪通过抽动尾巴

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‪它把鱼群从藏身之处冲了出来

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‪让它们游向可以发动攻击的河床沙地

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‪只有少数海豚学会了这样捕猎

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‪在一天之中只有几个小时

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‪可以使用这种捕食技巧

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‪等涨潮之时

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‪鱼群便各奔东西了

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‪这时就需要一个新的打法

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‪它加入了朋友们的队伍

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‪它们一起游向更宽的河道

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‪然后…

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‪静静守在那里

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‪每次有鱼群经过时

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‪海豚们便发动攻击

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‪形成的弓形波会把鱼群拍上岸

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‪通过声波定位和协作

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‪它们从泥潭中变出一顿大餐

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‪在茫茫大海中 海豚需要将
‪自己的超级感官发挥到极致

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‪（北大西洋 加那利群岛）

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{\an8}‪（水温21摄氏度）

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‪深海捕食的高难度

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‪塑造出了最不同凡响的一种海豚

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‪领航鲸的样子或许很奇特

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‪但它们球根状的额头
‪却藏有成功的秘诀

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‪它们可以发射远程超声波束

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‪距离可达数百米

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‪这是所有海豚中
‪最强大的回声定位技能

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‪这使得领航鲸
‪可在接近一公里远的地方

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‪捕捉到乌贼群的踪迹

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00:24:29,469 --> 00:24:33,181
‪幼崽无法憋那么久气
‪所以跟不上大部队

207
00:24:37,560 --> 00:24:40,688
‪于是一家人轮流

208
00:24:40,772 --> 00:24:42,732
‪在海面附近照顾它们

209
00:24:45,985 --> 00:24:48,696
‪这位祖母已经50多岁

210
00:24:50,031 --> 00:24:53,368
‪但它仍能产奶 哺育幼崽

211
00:25:02,460 --> 00:25:05,922
‪这些海豚的寿命可达70岁

212
00:25:06,923 --> 00:25:09,217
‪它们一生都与家人相伴

213
00:25:10,093 --> 00:25:13,221
‪可以算得上是所有动物中最长久

214
00:25:13,304 --> 00:25:15,056
‪最忠实的关系了

215
00:25:22,480 --> 00:25:24,649
‪当捕食队伍开始上浮时

216
00:25:24,732 --> 00:25:26,734
‪可以很明显看出它们收获满满

217
00:25:32,824 --> 00:25:34,409
‪是时候去下一个地方了

218
00:25:35,785 --> 00:25:38,913
‪祖母的脑子里有一张
‪它们海洋家园的地图

219
00:25:40,039 --> 00:25:43,835
‪它会倾听海浪拍到岛上

220
00:25:43,918 --> 00:25:46,588
‪以及洋流冲刷河海交界处的声音

221
00:25:49,591 --> 00:25:52,385
‪声学地标将路线展现出来

222
00:25:59,392 --> 00:26:00,476
‪但有时

223
00:26:01,853 --> 00:26:04,355
‪就连这些优秀的领航者也会迷失方向

224
00:26:09,819 --> 00:26:10,862
‪每一年

225
00:26:11,696 --> 00:26:15,325
‪全世界都有数百只海豚搁浅在沙滩上

226
00:26:16,284 --> 00:26:18,828
‪领航鲸是最常见的

227
00:26:20,997 --> 00:26:23,958
‪只需要一、两只偏离航道…

228
00:26:26,044 --> 00:26:29,589
‪而家庭成员认为自己有必要
‪伴随它们继续游下去

229
00:26:33,176 --> 00:26:36,304
‪有时它们呼救的叫声
‪又会导致另外数百只搁浅

230
00:26:44,479 --> 00:26:46,397
‪自然灾害

231
00:26:46,481 --> 00:26:48,858
‪噪音污染 健康问题

232
00:26:48,941 --> 00:26:50,693
‪都难辞其咎

233
00:26:53,613 --> 00:26:57,241
‪但这些事件的确切原因还不清楚

234
00:27:04,666 --> 00:27:08,169
‪人们尽全力帮助搁浅的鲸鱼维持生命

235
00:27:08,252 --> 00:27:10,963
‪努力协助它们回到海洋中

236
00:27:20,473 --> 00:27:24,018
‪人类与海豚的连接可以说是根深蒂固

237
00:27:25,728 --> 00:27:30,149
‪我们在其他一些动物身上
‪也发现了和人类一样追求刺激的一面

238
00:27:31,275 --> 00:27:33,194
‪我们在感觉跟死亡

239
00:27:33,277 --> 00:27:35,863
‪擦肩而过的行为中表达自己

240
00:27:41,077 --> 00:27:43,871
‪但所有这些举动貌似都带有目的性

241
00:27:46,332 --> 00:27:48,710
‪这种行为会让身体分泌出

242
00:27:48,793 --> 00:27:51,963
‪让人觉得自信又开心的荷尔蒙

243
00:27:53,673 --> 00:27:56,926
‪与同伴一起玩耍会让这种感觉加剧

244
00:27:59,095 --> 00:28:03,057
‪这样会鼓励团队合作以及和朋友相处

245
00:28:17,113 --> 00:28:20,408
‪这或许就是海豚需要同伴的原因

246
00:28:34,797 --> 00:28:36,507
‪和自己的同类嬉戏玩耍

247
00:28:41,763 --> 00:28:42,722
‪和人类嬉戏玩耍

248
00:28:46,601 --> 00:28:48,603
‪还与其他动物一起玩耍

249
00:29:15,379 --> 00:29:18,299
‪海豚的友好天性世人皆知

250
00:29:20,468 --> 00:29:22,887
‪但它们也有比较阴暗的一面

251
00:29:25,223 --> 00:29:27,141
‪（南大西洋 巴塔哥尼亚）

252
00:29:27,225 --> 00:29:29,477
{\an8}‪（水温12摄氏度）

253
00:29:36,651 --> 00:29:39,987
‪当海洋中顶级掠食者开始捕食的时候

254
00:29:40,071 --> 00:29:42,114
‪没有谁是安全的

255
00:30:01,634 --> 00:30:04,220
‪南露脊鲸

256
00:30:06,347 --> 00:30:08,724
‪重达80吨

257
00:30:10,101 --> 00:30:12,895
‪比虎鲸重10倍

258
00:30:21,362 --> 00:30:23,239
‪但集体捕猎的虎鲸

259
00:30:24,115 --> 00:30:26,784
‪几乎所向无敌

260
00:30:32,081 --> 00:30:34,500
‪南露脊鲸游到了浅海区

261
00:30:34,584 --> 00:30:36,586
‪以躲避来自下方的攻击

262
00:30:40,923 --> 00:30:43,801
‪但虎鲸从不轻易放弃

263
00:30:48,055 --> 00:30:49,891
‪它们轮流作战

264
00:30:49,974 --> 00:30:52,894
‪对鲸鱼的侧翼进行重击

265
00:30:52,977 --> 00:30:54,687
‪专门挑会造成疼痛的地方下手

266
00:31:05,072 --> 00:31:07,116
‪鲸鱼也会反击

267
00:31:35,061 --> 00:31:39,190
‪但只有当搏斗的喧嚣
‪将更多南露脊鲸吸引过来时

268
00:31:40,733 --> 00:31:43,736
‪虎鲸才会撤退

269
00:31:50,576 --> 00:31:53,329
‪虎鲸挑战如此大型猎物的能力

270
00:31:53,412 --> 00:31:55,831
‪为它们赢得了一个称号：“鲸鱼杀手”

271
00:31:56,666 --> 00:31:57,500
‪或者

272
00:31:58,209 --> 00:31:59,418
‪“杀人鲸”

273
00:32:02,922 --> 00:32:05,341
‪海豚不只是无情的猎手

274
00:32:06,634 --> 00:32:10,221
‪意外的是 它们也会将暴力的矛头
‪指向自己人

275
00:32:13,724 --> 00:32:15,685
‪（北太平洋 巴哈马群岛）

276
00:32:15,768 --> 00:32:18,729
{\an8}‪（水温26摄氏度）

277
00:32:24,402 --> 00:32:26,153
‪到了六岁

278
00:32:26,237 --> 00:32:28,197
‪这头小斑点海豚

279
00:32:28,280 --> 00:32:31,409
‪终于长出了它独具特色的斑点

280
00:32:37,373 --> 00:32:39,250
‪它和妈妈待在一起的时间变少

281
00:32:41,085 --> 00:32:44,296
‪和朋友相处的时间变多了

282
00:32:48,884 --> 00:32:52,555
‪在幼年时期 建立友情至关重要

283
00:33:02,773 --> 00:33:06,610
‪除去人类之外
‪海豚之间所建立的感情

284
00:33:06,694 --> 00:33:09,864
‪比世上任何一种动物
‪都更加广泛和深厚

285
00:33:14,994 --> 00:33:18,205
‪在它变得越来越成熟时
‪生活也变得越来越复杂

286
00:33:22,126 --> 00:33:24,628
‪它会需要尽可能多的朋友

287
00:33:36,766 --> 00:33:40,352
‪澳大利亚西部的宽吻海豚群体

288
00:33:40,436 --> 00:33:45,357
‪被认为是最复杂的海豚社会

289
00:33:48,319 --> 00:33:50,988
‪有两千头海豚生活在这个海湾

290
00:33:55,701 --> 00:33:57,578
‪（印度洋 鲨鱼湾）

291
00:33:57,661 --> 00:34:00,581
{\an8}‪（水温21摄氏度）

292
00:34:02,124 --> 00:34:04,251
‪在繁殖期

293
00:34:04,335 --> 00:34:07,713
‪“人脉”成为重中之重

294
00:34:09,757 --> 00:34:11,675
‪拉帮结派的雄性海豚

295
00:34:11,759 --> 00:34:14,011
‪更有机会获得雌性的青睐

296
00:34:28,359 --> 00:34:31,237
‪这帮三剑客在海湾东边游荡

297
00:34:37,535 --> 00:34:41,539
‪它们已经是20年的铁哥们了

298
00:34:44,834 --> 00:34:49,296
‪一致的游泳动作
‪就能说明它们关系有多铁

299
00:34:51,757 --> 00:34:55,845
‪精心编排过的动作能够打动异性

300
00:35:02,935 --> 00:35:04,895
‪来个交叉动作

301
00:35:07,273 --> 00:35:08,524
‪蝶泳特技

302
00:35:12,111 --> 00:35:13,904
‪触尾二重奏

303
00:35:16,157 --> 00:35:17,992
‪同步下潜

304
00:35:20,161 --> 00:35:21,537
‪双豚跃水

305
00:35:22,997 --> 00:35:24,582
‪探戈舞动

306
00:35:25,249 --> 00:35:29,044
‪以及反向叠罗汉

307
00:35:32,256 --> 00:35:34,216
‪动作越顺滑

308
00:35:34,300 --> 00:35:36,010
‪它们看起来就越有吸引力

309
00:35:41,557 --> 00:35:42,808
‪就算如此

310
00:35:42,892 --> 00:35:45,561
‪也要花上好几天
‪才能赢得雌海豚的芳心

311
00:35:51,692 --> 00:35:54,403
‪而现在它们有了竞争对手

312
00:35:56,530 --> 00:35:57,907
‪在西边

313
00:35:57,990 --> 00:36:00,117
‪正在形成一支敌对帮派

314
00:36:03,412 --> 00:36:06,123
‪东边的三剑客需要支援

315
00:36:09,001 --> 00:36:11,795
‪所以它们就在更广泛的朋友圈中
‪寻求帮助

316
00:36:31,440 --> 00:36:33,234
‪比较弱势的一方通常会撤退

317
00:36:35,611 --> 00:36:37,988
‪但是当两边势均力敌时

318
00:36:39,365 --> 00:36:41,825
‪就有可能伤亡惨重

319
00:37:30,082 --> 00:37:31,375
‪一个小时之后

320
00:37:32,167 --> 00:37:33,460
‪一切都结束了

321
00:37:38,340 --> 00:37:41,593
‪通过强劲的联盟和紧密的团队协作

322
00:37:41,677 --> 00:37:44,221
‪东边的海豚帮取得了胜利

323
00:37:44,930 --> 00:37:48,684
‪赢得了当上父亲 繁衍下一代的机会

324
00:37:52,813 --> 00:37:54,940
‪才智与合作

325
00:37:55,024 --> 00:37:58,569
‪让海豚得以在海洋中左右自己的人生

326
00:38:01,405 --> 00:38:03,824
‪但是它们的家园变化很快

327
00:38:08,620 --> 00:38:12,291
‪就算这些适应性很强的动物
‪也难以忍受

328
00:38:18,630 --> 00:38:20,841
‪我们的海洋变得更吵

329
00:38:22,843 --> 00:38:23,844
‪更暖

330
00:38:25,512 --> 00:38:26,847
‪污染更严重

331
00:38:34,313 --> 00:38:35,939
‪很多海豚

332
00:38:36,023 --> 00:38:39,151
‪不再玩海草 而是玩起塑料袋

333
00:38:49,661 --> 00:38:53,957
‪每年都会有超过10万只海洋哺乳动物

334
00:38:54,041 --> 00:38:55,459
‪因为吞食垃圾而死亡

335
00:38:56,377 --> 00:38:58,629
‪而化学污染

336
00:38:58,712 --> 00:39:01,256
‪已经威胁到了它们的生育能力

337
00:39:04,760 --> 00:39:09,223
‪但工业化捕捞是海豚所面临的
‪最大问题

338
00:39:12,017 --> 00:39:14,436
‪迅速汲取它们赖以生存的食物

339
00:39:15,062 --> 00:39:17,815
‪每年会导致数十万海豚

340
00:39:17,898 --> 00:39:19,233
‪溺水而死

341
00:39:28,325 --> 00:39:31,412
‪但是 即便我们做出了很小的改变

342
00:39:31,495 --> 00:39:33,747
‪都可以引起巨大的不同

343
00:39:35,457 --> 00:39:37,459
‪（北大西洋 南卡罗来纳州）

344
00:39:37,543 --> 00:39:40,212
{\an8}‪（水温17摄氏度）

345
00:39:47,428 --> 00:39:49,430
‪渔夫捞虾时

346
00:39:52,099 --> 00:39:54,601
‪捕捞网会罩住其他动物

347
00:39:57,104 --> 00:40:00,607
‪但这些渔夫们如今在网上安装了
‪一种特殊的开口

348
00:40:00,691 --> 00:40:02,901
‪让大型动物可以逃离

349
00:40:06,196 --> 00:40:09,408
‪当地的宽吻海豚学会了
‪如何寻找那些开口

350
00:40:10,868 --> 00:40:14,788
‪利用那些出口的洞弄鱼吃

351
00:40:31,472 --> 00:40:34,641
‪进入死亡陷阱很有可能会有去无回

352
00:40:38,812 --> 00:40:41,732
‪但这些饥饿的海豚乐意去冒险

353
00:40:56,538 --> 00:40:58,457
‪渔民也会惯着它们

354
00:41:01,251 --> 00:41:03,128
‪反正他们也不会损失什么货

355
00:41:08,509 --> 00:41:11,261
‪关于海豚的知识
‪我们仍有很多需要去了解

356
00:41:12,054 --> 00:41:15,432
‪虽然有些物种已经濒临灭绝

357
00:41:17,100 --> 00:41:20,354
‪但我们仍在发现新的物种

358
00:41:21,480 --> 00:41:23,440
‪（托坎廷斯河 莫卡茹巴）

359
00:41:23,524 --> 00:41:25,609
{\an8}‪（水温28摄氏度）

360
00:41:26,693 --> 00:41:31,323
‪长久以来 人们都认为
‪世界上只有五种淡水豚

361
00:41:32,032 --> 00:41:35,285
‪现在生物学家相信他们发现了第六种

362
00:41:37,371 --> 00:41:40,832
‪据估计 世上仅存大约一千只

363
00:41:40,916 --> 00:41:42,543
‪阿拉瓜亚淡水豚

364
00:41:46,296 --> 00:41:48,048
‪但每一天

365
00:41:48,131 --> 00:41:50,384
‪在巴西的这个小镇中

366
00:41:50,467 --> 00:41:52,803
‪都有一小群会出来玩

367
00:41:54,930 --> 00:41:58,475
‪当地的儿童已经等得不耐烦了

368
00:42:03,730 --> 00:42:06,066
‪他们和这些神奇动物的亲密关系

369
00:42:06,149 --> 00:42:08,151
‪很容易让人理解

370
00:42:12,739 --> 00:42:17,035
‪人类与海豚可能生活习性大不相同

371
00:42:19,538 --> 00:42:23,041
‪但我们的天性中却有很多相通的东西

372
00:42:30,132 --> 00:42:32,843
‪这是一种值得世世代代珍惜的

373
00:42:33,719 --> 00:42:36,096
‪深层联系

374
00:43:31,401 --> 00:43:33,278
‪字幕翻译：七月