Oceans (Full Episode) — Hostile Planet

[00:00:00] Speaker 1: Three days of digging, and this olive ridley turtle is free. But not safe until she gets to the sea. Where early life evolved, and where nearly 80% of animals still live. Of all the hatchlings born this year on the Costa Rican coast, only 10% will make it. [00:01:00] Speaker ?: The last one is the one who is in the middle of the sea. The last one is the one who is in the middle of the sea. The last one is the one who is in the middle of the sea. The last one is the one who is in the middle of the sea. The last one is the one who is in the middle of the sea. The last one is the one who is in the middle of the sea. The last one is the one who is in the middle of the sea. The last one is the one who is in the middle of the sea. The last one is the one who is in the middle of the sea. The last one is the one who is in the middle of the sea. The last one is the one who is in the middle of the sea. The last one is the one who is in the middle of the sea. 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The last one is the one who is in the middle of the sea. In 10 years' time, she will return to these shores to lay eggs of her own, if she survives. The ocean is a fluid and unpredictable world. And all those that live here are at its mercy. [00:02:49] Speaker 2: Our planet's oceans cover 70% of its surface. And provide an incredible 99% of its habitable space. This may be an alien world to us. But it's home to an extraordinary range of animals. From the biggest to the strangest creatures in our world. Even for the most marine adapted, life isn't easy. Survival at sea is a completely different game to survival on land. Especially when the rules keep changing. [00:03:55] Speaker 1: Where the Atlantic and Indian oceans meet, new conflicts between old foes are brewing. Rising sea temperatures are pushing fish eastward to cooler waters. Those that feed on them have followed. They're the birds with the fur seals. Their new home is treacherous. And it's not just the waves. 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The perfect hunting ground for a great fish. The perfect hunting ground for a great fish. The perfect hunting ground for a great fish. [00:09:15] Speaker 1: During winter, these freezing fields are the stage for one of the biggest wildlife spectacles on the planet. This orca pod comes here every year. They're led by a matriarch. He could be 70 years old. For a pod that specialize in hunting fish, this is an unmissable event. Herring. Billions of them. More fish here than people on the planet. But the bigger the shoal, the harder it is to single out a target. The orca need to come at the problem from another angle. Co-ordinating their attack, they divide and conquer. Herders work to split the shoal. Then in come the big hitters. Slamming their tails, creating a shock wave. Stunning up to 30 fish with each blow. They must work quickly. They're not the only hunters here. Humpbacks, six times the weight of an orca. They can devour more than 200 pounds of herring in one gumball. The orca simply can't compete. But they can switch tactic. As long as they're prepared to face down the most dangerous predator in the ocean. In the ocean, where there is food, there's usually a fight. Off the fields of Norway, these orca are about to take on the most aggressive ocean hunters of all. Humpbacks are out fishing boats and huntbacks. We're fishing boats like this can scoop up 800 tons of herring a day. Outfishing orca and humpbacks combined. Humpbacks are out. [00:13:00] Speaker ?: Humpbacks are out fishing boats. [00:13:03] Speaker 1: Desperation has forced these orca to turn this new obstacle into opportunity. Humpbacks are out fishing boats. Humpbacks are out fishing boats. Humpbacks are out fishing boats. [00:13:10] Speaker ?: Humpbacks are out fishing boats. Humpbacks are out fishing boats. Humpbacks are out fishing boats. Humpbacks are out fishing boats. Humpbacks are out fishing boats. Humpbacks are out fishing boats. [00:13:18] Speaker 1: Humpbacks are out fishing boats. fish that slip through their competitors' nets. Recently imposed quotas ensure there are enough herring for humans and whales. But the global picture isn't so bright. We are consuming more fish than ever before, reducing many stocks to little more than scales. Unbalanced oceans are open to invasion by strange life forms. They start life as pinhead-sized polyps. But what they lack in size, they make up for in numbers. [00:14:56] Speaker ?: Gorging on tiny plankton, [00:15:05] Speaker 1: they grow, mutate, and multiply into an army of clones. Now each polyp becomes a production line with one purpose. Creating new jellyfish. Creating new jellyfish. Bodies that are 95% water can easily grow. And grow. And grow. Until they are monsters. No bones, no blood, or even brains. But perfectly suited to today's transforming seas. Resistant to increasing temperature. Decreasing oxygen. Changing salinity. Rising acidity. Even plastic pollution. When a jellyfish swarm takes over. Some ecosystems never fully recover. Our impact also extends to the biggest marine habitat of all. [00:17:25] Speaker ?: The open ocean. [00:17:28] Speaker 1: The open ocean. It covers more than half the globe. The food here is increasingly scarce. Yet one animal perseveres. Despite needing one and a half million calories every day. The blue whale. The largest animal ever to have lived. She's as long as an 18-wheeler. With a heart as big as a car. And a tongue that weighs as much as an elephant. Just this year, she's swum far enough to have circumnavigated the globe. All in search of this. All in search of this. Krill. One of the most important species in the marine food chain. With each monumental goal. She takes in enough water and krill to fill a school bus. Her tongue forces the water back out through the bristly plates on her jaw. Trapping up to two million krill. Blue whales were hunted to the brink of extinction. Although they're still endangered. Since a ban on whaling in the 1960s, their numbers have increased worldwide. And here, off the coast of California, they've almost completely recovered. The vast open ocean can be a lonely place. [00:20:20] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:20:30] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:20:35] Speaker ?: The vast open ocean can be a lonely place. 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The vast open ocean can be a lonely place. [00:27:20] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:27:24] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:27:30] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:27:36] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:27:39] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:27:43] Speaker ?: The vast open ocean can be a lonely place. [00:27:44] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:27:49] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:27:52] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:27:58] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:28:02] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:28:09] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:28:15] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:28:18] Speaker ?: The vast open ocean can be a lonely place. [00:28:19] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:28:22] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:28:27] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:28:38] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:28:40] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:28:44] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:28:53] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:28:59] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. 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[00:29:22] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:29:29] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:29:39] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. 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The vast open ocean can be a lonely place. [00:30:04] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:30:11] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:30:15] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:30:21] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:30:24] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:30:28] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:30:33] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:30:37] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:30:45] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:30:49] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:30:56] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:31:02] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:31:06] Speaker ?: The vast open ocean can be a lonely place. [00:31:07] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:31:11] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:31:17] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:31:30] Speaker ?: The vast open ocean can be a lonely place. [00:31:31] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:31:35] Speaker ?: The vast open ocean can be a lonely place. [00:31:36] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:31:40] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:31:45] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. 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[00:32:08] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:32:11] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:32:14] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:32:19] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:32:21] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:32:26] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:32:28] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:32:32] Speaker ?: The vast open ocean can be a lonely place. [00:32:33] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:32:39] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:32:42] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:32:45] Speaker ?: The vast open ocean can be a lonely place. [00:32:46] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:32:50] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:32:52] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:32:59] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:33:01] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:33:04] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:33:08] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:33:14] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:33:17] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:33:20] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:33:22] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:33:28] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:33:31] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:33:37] Speaker ?: The vast open ocean can be a lonely place. [00:33:38] Speaker 1: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:33:41] Speaker ?: The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. The vast open ocean can be a lonely place. [00:33:45] Speaker 1: The Stygia medusa jellyfish. Its ribbon-like arms extend up to 30 feet to absorb tiny planktonic creatures. Or so we believe. Even today, the lives of these deep-sea monsters remain shrouded in mystery. But the biggest surprise of all? This marine underworld is one of the most stable habitats on the planet. Out of touch with what's happening far above. The sun has fueled a monster. It heats surface waters until they evaporate and build into oceanic storms that render humans powerless. And when conditions are just right, they grow into one of the most formidable forces on the planet. Hurricanes. They form over tropical seas, then their devastation spreads. They release so much energy that just one could power our entire planet for a week. And as global temperatures rise, hurricanes are growing stronger. This is the calm before the storm. Most people are already taking shelter. And as global temperatures rise to the sea. But just offshore, others are on the move. Mullet. In their millions. [00:36:26] Speaker ?: Mullet. [00:36:29] Speaker 1: Few have heard of it. But this is one of the largest gatherings of any animal in the United States. The mullet need to reach their spawning grounds further south before temperatures drop too low. Such a mass of fish in the sea doesn't go unnoticed. Expert hunters attack the shoal from every angle. Below are the tarpon and blacktip sharks. Below are the tarpon and blacktip sharks. Above, pelicans and osprey. As the waves are whipped up by the approaching storm, the pendulum swings in the mud. [00:37:33] Speaker ?: As the waves are whipped up by the approaching storm, the pendulum swings in the mud. As the waves are whipped up by the approaching storm, the pendulum swings in the mud. as the waves are whipped up by the approaching storm, the pendulum swings in the mullet's favour. As the waves are whipped up by the approaching storm, the pendulum swings in the mud. As the waves are whipped up by the approaching storm, the pendulum swings in the mud. As the waves are whipped up by the approaching storm, the pendulum swings in the mud. As the waves are whipped up by the approaching storm, the pendulum swings in the mud. As the waves are whipped up by the approaching storm. [00:37:56] Speaker 1: As the waves are whipped up by the approaching storm, the pendulum swings in the mud. As the waves are whipped up by the approaching storm, the pendulum swings in the mud. As the waves are whipped up by the approaching storm, the pendulum swings in the mud. [00:38:03] Speaker ?: As the waves are whipped up by the approaching storm, the storm swings in the mud. [00:38:10] Speaker 1: In the turbulent shallow water, they're harder to target. Finally, the swells grow too powerful. As the storm makes landfall. Along the coast, ocean storms create some of nature's most awe-inspiring wonders. Nazarene, in Portugal, sees some of the biggest waves in the world. Towering as high as ten stories. voice. But the stormier our seas become, the more those living on the coast suffer. An island on the edge of existence. Home to rock-hopper penguins, a dense layer of fat gives them some protection. Still, they take a battering. This mother can't back out now. Her chick needs food. And it's dad's turn to hold the fort. [00:40:58] Speaker ?: Life in the colony is tough. [00:41:05] Speaker 1: Declining fish docks and rougher seas have made food harder to come by. Mum has to hunt. And what was already a rough sea is about to get a whole lot rougher. It's about to get a whole lot rougher. And what was already a rough sea is about to get a whole lot rougher. And what was already a rough sea is about to get a whole lot rougher. The most powerful storm in almost 30 years is closing in. [00:41:54] Speaker ?: Worse than anything these penguins have faced before. [00:42:01] Speaker 1: Worse than anything these penguins have faced before. On the far south of the globe, a brutal storm is finally subsiding. But for these rock-hopper penguins, the waves are still deadly. [00:42:22] Speaker ?: The latest shift of hunters returns. The latest shift of hunters returns. The next shift of hunters is the most powerful. The next shift of hunters is the most powerful. [00:42:26] Speaker 1: The next shift of hunters is the most powerful. The next shift of hunters is the most powerful. The next shift of hunters is the most powerful. The next shift of hunters is the most powerful. The next shift of hunters is the most powerful. The next shift of hunters is the most powerful. The next shift of hunters is the most powerful. [00:42:33] Speaker ?: The next shift of hunters is the most powerful. [00:42:34] Speaker 1: The next shift of hunters is the most powerful. The next shift of hunters is the most powerful. The next shift of hunters is the most powerful. The next shift of hunters is the most powerful. 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The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. [00:44:31] Speaker 1: The next shift is the most powerful. [00:44:32] Speaker ?: The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. [00:44:59] Speaker 1: The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. Right from the very beginning, the ocean has been a cradle of life on our planet. The many creatures that still live here are really a legacy of that irrepressible will to succeed in a turbulent world. No matter what the ocean has thrown at them, somehow, they've managed to endure. Against near impossible odds, this mum-to-be has found her way back to the beach where she was born. It's the first time she's been on land since hatching over a decade ago. And she's not alone. Hundreds of thousands of female olive ridley turtles are returning to the Costa Rican coastline to lay their eggs. A cycle of life sustained by the sea for 30 million years. Never has the journey been harder. Yet so far, these turtles are still holding on in these fast-changing times. [00:46:59] Speaker ?: The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. The next shift is the most powerful. 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