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  • JAIR DARKE: Oh my god.

    JAIR DARKE:哦,我的上帝。

  • Another one, another one. Wait.

    再來一個,再來一個。等一下

  • Wait.

    等一下

  • [bleep]

    [嗶]

  • JASON DARKE: He's got a dolphin in his mouth.

    他嘴裡叼著一隻海豚。

  • NARRATOR: Sharks and dolphins.

    鯊魚和海豚。

  • This vicious rivalry has been raging for millions of years.

    這種惡性競爭已經持續了數百萬年。

  • Two Australian oystermen get a firsthand look

    兩位澳洲生蠔愛好者親身體驗了一把。

  • at the aftermath of a battle.

    在戰後。

  • Oh my god. Another one, another one.

    哦,我的上帝。再來一個,再來一個。

  • Oy.

    Oy.

  • Oy, massive one.

    Oy,巨大的一個。

  • Massive one.

    巨大的一個。

  • [bleep] Look at it.

    看看吧

  • That just come out from underneath the boat.

    那是剛從船底出來的。

  • The moment I saw the second shark,

    當我看到第二條鯊魚的時候

  • adrenaline started pumping through my veins.

    腎上腺素開始在我的血管裡抽動。

  • I didn't know what just happened.

    我不知道剛才發生了什麼。

  • That scared the [bleep] out of me.

    嚇死我了。

  • Second shark was bigger than the first.

    第二條鯊魚比第一條大。

  • It would have been 12 to 14 foot, probably,

    應該是12到14英尺,可能。

  • but it was definitely bigger.

    但它絕對是更大的。

  • It was huge.

    它是巨大的。

  • JAIR DARKE: Oy, they're fighting.

    Oy,他們在打架。

  • They're fighting.

    他們在打架

  • They're fighting.

    他們在打架

  • They're fighting.

    他們在打架

  • [bleep] He just stole that dolphin.

    他剛剛偷了那隻海豚。

  • [inaudible] He just stole the dolphin.

    他剛剛偷了海豚。

  • [interposing voices]

    [中間的聲音]

  • JASON DARKE: Look at the size of the thing.

    看看這東西的大小。

  • NARRATOR: A dolphin is worth fighting over.

    一條海豚值得我們去爭奪。

  • We do know that if a shark gets

    我們知道,如果鯊魚被

  • the opportunity to eat a dolphin, they absolutely will.

    有機會吃海豚,他們絕對會。

  • In fact, it's a really prized food source.

    其實,這真是一種珍貴的食物來源。

  • Like many marine mammals, dolphins have all this blubber.

    像許多海洋哺乳動物一樣,海豚也有這些脂肪。

  • So that's a good nutritious meal.

    所以,這是很好的營養餐。

  • NARRATOR: From the injuries, it's

    從受傷的情況來看,這是

  • clear the dolphin was initially attacked from behind and below.

    清楚海豚最初是被人從後面和下面攻擊的。

  • He swam straight past us with the dolphin in his mouth.

    它叼著海豚直接從我們身邊遊過。

  • NARRATOR: How did the shark get past this dolphin's defenses?

    鯊魚是如何通過這隻海豚的防禦的?

  • Dolphins are really quite zippy.

    海豚真的很齊心。

  • They can outmaneuver a shark fairly

    它們可以比鯊魚更厲害的了

  • easily, especially if they're in deeper or open water spaces.

    容易,特別是當他們在較深的或開放的水空間。

  • NARRATOR: To understand how sharks catch

    為了瞭解鯊魚是如何捕捉的

  • these slippery creatures, the team

    這些滑溜溜的生物,團隊

  • heads to a beach that offers a unique look

    前往提供獨特外觀的海灘

  • at Shark Bay's dolphins.

    在鯊魚灣的海豚。

  • So we're right now at Monkey Mia in Shark Bay.

    所以我們現在在鯊魚灣的Monkey Mia。

  • There has been 20 years of really incredible

    有20年的時間,真的不可思議

  • ecological and biological research

    生態生物研究

  • on the interactions between sharks and dolphins.

    關於鯊魚和海豚之間的相互作用。

  • NARRATOR: Dolphins were first drawn

    旁白:海豚第一次被抽中了

  • here in the 1960s by fishermen sharing their catch.

    在上世紀60年代,這裡的漁民分享他們的漁獲。

  • Today, this site is regulated by the Parks and Wildlife Service.

    今天,這個網站由公園和野生動物管理局管理。

  • We have some friendly dolphins that come here very regularly.

    我們有一些友好的海豚,經常來這裡。

  • And we get to see them up close and personal,

    而我們可以近距離地看到他們。

  • which is really special.

    這真的很特別。

  • NARRATOR: No need for a baited underwater camera.

    不需要餌料的水下攝影機。

  • Here, dolphins come to you.

    在這裡,海豚來找你。

  • And they're covered in scars.

    而且他們渾身都是傷疤。

  • So this individual that's just approaching us just now

    所以,這個人,只是走近我們只是

  • is called Piccolo.

    被稱為短笛。

  • And you can see on her dorsal and on her back,

    你可以在她的背上和背上看到。

  • she's got scars from encounters with sharks.

    她有疤痕 從遭遇鯊魚。

  • Dolphins make this trade off.

    多爾菲斯做這個交易。

  • A lot of the food that they want most and the easy fishing

    很多食物是他們最想要的,也是最容易釣到的。

  • grounds, the yummy fish occur around shallow seagrass beds.

    地,美味的魚兒出現在淺海草床周圍。

  • Unfortunately, that's also where tiger sharks

    不幸的是,那也是虎鯊的活動場所。

  • preferentially like to hunt.

    偏偏喜歡打獵。

  • NARRATOR: To protect themselves, dolphins have a secret weapon--

    為了保護自己,海豚有一種祕密武器...

  • echolocation.

    回聲定位。

  • They can send out a beam of sound

    他們可以發出一束聲音

  • from a fatty part of their head called the melon.

    從它們頭部的一個叫瓜子的脂肪部分。

  • The sound beam bounces back and forms

    聲束反彈回來,形成

  • a mental image in the dolphin's brain of the world around them.

    在海豚的大腦中,它們周圍世界的心理形象。

  • Echolocation is the way that dolphins

    回聲定位是海豚的一種方式。

  • have to see in dark and low lit environments.

    必須在黑暗和光線不足的環境中看清。

  • Basically, it's like radar or sonar.

    基本上,它就像雷達或聲納。

  • NARRATOR: But there are limits to this super power.

    但這種超能力是有限度的。

  • So it works kind of like wide beams on a flashlight.

    所以它的工作原理有點像手電筒上的寬光束。

  • They can only see kind of directly ahead

    他們只能看到正前方的那種

  • of them or to the sides.

    的或兩側。

  • So if they get attacked from the back or from underneath,

    所以,如果他們被人從後面或從下面攻擊。

  • they probably won't see the predator coming.

    他們可能不會看到掠奪者的到來。

  • NARRATOR: Dolphins have a blind spot, and sharks know it.

    海豚有一個盲點,鯊魚知道這一點。

  • JASON DARKE: He's got a dolphin in his mouth.

    他嘴裡叼著一隻海豚。

  • NARRATOR: Great whites use their massive power

    偉大的白人利用他們龐大的力量... ...

  • to charge from beneath in a breach attack.

    以在突破性攻擊中從下面衝鋒陷陣。

  • White sharks, you would consider

    白鯊,你會考慮

  • more of an ambush predator.

    更多的是伏擊掠食者。

  • It's probably the shark that you

    這可能是鯊魚,你

  • don't see that you worry about.

    看不出你在擔心什麼

  • Because a lot of white sharks rely on surprise.

    因為很多白鯊都是靠出其不意。

  • They're stealth predators.

    他們是隱形的捕食者。

  • NARRATOR: It's easy to sneak up on a lone dolphin.

    要偷襲一隻孤獨的海豚很容易。

  • But the safety of the pod can stop an ambush,

    但安全艙的安全可以阻止伏擊。

  • even from a great white.

    即使從大白。

  • A white shark swims with a group of dolphins.

    一條白鯊和一群海豚一起游泳。

  • The ocean going mammals show no concern

    海洋中的哺乳動物沒有表現出任何關注

  • for the killer in their midst.

    為他們中間的殺手。

  • Their ability to communicate and spot their stalker

    他們的溝通能力和發現跟蹤者的能力。

  • gives the shark no chance at an attack.

    讓鯊魚沒有攻擊的機會。

JAIR DARKE: Oh my god.

JAIR DARKE:哦,我的上帝。

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