00:10One hundred and twenty-five million years ago, winter rages across the north.
00:26Entire species have been pushed to the brink.
00:40Even the largest dinosaurs are unable to endure this cold.
00:52Like these sauropods migrating south.
01:04Wreda came early this year and caught them off guard.
01:19With hundreds of kilometers ahead of them, this time it will be an especially harsh journey.
01:33But the bitter cold is not the only danger in this frozen land.
01:41There is a much greater threat here in these woods.
02:06Euteranus, the Snow King.
02:13An early relative of T-Rex.
02:20With a thick, insulating coat of feathers, he's perfectly adapted for life in a world this cold.
02:36But his feathers also serve a more sinister purpose.
02:47Camouflage.
02:48The ultimate weapon for an ambush hunter.
02:53Camouflage.
02:54And that might holistically trailer.
03:16The human español.
03:21The eagle is departed.
03:49I'm scared.
03:52In a savage, ever-changing world, some will rise, and some will fall.
04:06But through it all, the dinosaurs will expand their empire and advance relentlessly to seize Earth's final frontiers.
04:30To be continued...
05:47It's a new age for life on Earth.
05:52An age of extremes.
05:56New worlds are forming that will give rise to the most famous dinosaurs of all time.
06:10The North is still gripped by cold, but not for much longer.
06:23Earth's most violent forces are staring once again.
06:33Volcanoes seethe and fume, warming the planet.
06:52But some will pay a price for this warmer world.
07:24The North is still in the middle of the world.
07:45As global temperatures continue to rise, the snow and ice all but disappear.
08:00Huge meltwater rivers tear through the land.
08:11This thawing of the North is expanding the dinosaur's empire even further.
08:20And in surprising new ways.
08:30In this fresh, fertile landscape, sauropods no longer need to migrate.
08:39But it's also a new world for one of the dinosaur's oldest rivals, the pterosaurs.
08:51They are now bigger and badder than ever.
09:01Including Grey Draco, the ghost dragon.
09:13But he's an intruder here.
09:21Because these trees are the home of Longipteryx, a new kind of dinosaur.
09:31Less than 20 centimeters tall, but highly territorial, especially during nesting season.
09:56They're also equipped to take on the pterosaurs.
10:03Now they, too, can fly.
10:16In a previous era, flying dinosaurs like Ancyonis could only glide.
10:25Now they're able to flap their wings and maneuver with precision to strike at their enemies.
10:43They're fast and fearless.
10:58It only gets worse for the tiring pterosaur.
11:04Because Longipteryx are distant cousins of Eutyranus, the Snow King.
11:12They're armed with the teeth and claws of their clan.
11:28After ruling the skies since the Triassic,
11:33Pterosaurs are now being matched by the dinosaurs.
11:46But as the dinosaurs fight to expand their empire into the air, an even greater revolution lies ahead.
12:06Not in the mountains, or the skies, or the oceans.
12:13Not in the mountains.
12:14The biggest twist in Earth's tail is unfolding quietly, almost in secret.
12:23Perfect.
12:27Seven million years later, this new force is slowly rewrit ing the dinosaur's story.
12:50This is one of the first flowers this forest has ever seen,
12:57just one, in a vast and diverse new generation of plants.
13:07And they will become a phenomenon with the help of a close ally.
13:23Beetles, they carry pollen from one flower to the next.
13:35Nature's most reliable delivery service.
13:45Helping these new plants spread far and wide across the globe.
13:56Transforming the dinosaur's empire.
14:12But this new generation of plants has a dark side.
14:25While they need to attract pollinators, many are also evolved to repel herbivores.
14:37With spines, thorns, and poisons.
14:50Nature's defensive weapons.
14:58This green revolution changes everything for the plant-eating dinosaurs, including the great stegosaurs.
15:21They are herd animals by nature.
15:25But this young stegosaur, barely two years old, is all alone.
15:39She is the last of her herd.
15:54To eat these tougher new plants requires a mouth that can chew food in a way her primitive jaw cannot.
16:11She's starving.
16:13She's starving.
16:27These once great herbivores are unable to adapt to this new world.
16:41It's one reason why their 50 million year existence will come to an end.
16:49Extinction.
16:58But in the wake of the stegosaur's demise, a new era will emerge.
17:11Over the next 15 million years, these new plants evolve and diversify.
17:21Spreading across the planet and ever further into the dinosaur's empire.
17:36The green revolution now covers the globe.
17:42And not just the land, but the water as well.
17:52Even providing cover and food for underwater explorers.
18:05Like ankylosaurs.
18:26This bathing beauty is a different kind of dinosaur.
18:38He's a plant eater, like the stegosaurs.
18:43But a fancier one.
18:45Much fancier.
18:53Because unlike the stegosaurs, his advanced jaw can crush food in a way that makes eating any kind of plant
19:05easy.
19:08It's the perfect adaptation for this diverse new world.
19:21He wants to take full advantage of all this great kingdom has to offer.
19:29And he has a plan.
19:40It's a long trek.
19:46But the journey is worth it.
20:06This is the one place where he can truly be himself.
20:22His passion is singing.
20:32He even has special olives in his snout that amplify his song.
20:43So it can be heard far and wide.
20:59It's fun song based on an actual one of the magicalging animals which will be aventure animals.
21:02Here it is, folks must not insure with this CHANCE HE DulFALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFL80FALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFALFIET4 yCina súchen.
21:30A female has answered his call.
21:36It's time to charm her with his deep, sultry humming.
21:48Then, he shows her his stylish armor.
22:03It's all very persuasive.
22:26Their fancy attire does have some drawbacks, mind you.
22:34On the whole, though, heavy armor and an improved jaw are setting them up for success.
22:49But what no dinosaur could possibly know is that their empire has been gradually shrinking.
23:03Hidden below the waves, this world, once ruled by dinosaurs, is now completely out of their
23:17reach.
23:24And there's a reason.
23:31At the very bottom of the ocean, a slow, imperceptible shift reshaping the planet.
23:50The seabed is fracturing from an endless progression of eruptions.
24:24Earth's tectonic plates are shifting.
24:29Breaking apart the ocean floor, lifting it higher over millions of years.
24:41The water above has nowhere else to go but up.
24:48By the middle of the Cretaceous, sea levels reach their highest point in history.
24:55Over 200 meters higher than they are today.
25:17The rising oceans repaint the map of the world, erasing entire land masses.
25:29The continent of Europe is reduced to a giant archipelago that includes the Isle of Hetzig, where isolation
25:46and evolution and evolution have created a kind of neverland for the dinosaurs.
25:53A world where normal rules don't apply.
26:03This is the home of Magyarosaurus.
26:09A sauropod.
26:13And, like other sauropods, he uses his long neck to reach the highest vegetation.
26:32Thing is, this vegetation is only two meters tall, which makes Magyarosaurus about the size of a pony.
27:01On Hetzig, where there's limited space and food, sometimes smaller is better.
27:26But unlike Magyarosaurus, for predators, digger is still better.
27:48As tall as a giraffe, one of the largest pterosaurs to ever live.
27:59The nightmare Hetzigopteryx.
28:08She's flown to this island to feed on dinosaurs.
28:24The youngest member of the herd gets separated.
28:35But it won't be an easy catch.
28:40Unlike his giant cousins, he's light on his feet.
28:48She fights on its beautiful side.
29:08In 18 прис少 is past.
29:11But being this small, you can't see the uglier roof he looks not.
29:23They found a safe hiding spot, perfect for their size.
30:03They found a safe hiding spot, and they found a safe hiding spot, and they found a safe hiding spot.
30:27To be continued.
31:11The tiny dinosaurs trapped on an island.
31:16There's nowhere else to go.
31:30But in a world so divided by the ocean, evolution takes different turns in different places.
31:4896 million years ago, sea levels are close to the highest they've ever been, creating a water world that no
32:08dinosaur has dared to enter.
32:18But that's about to change.
32:34Lurking in this mangrove swamp is a carnivore that has specially evolved to take on the final frontier.
32:56A dinosaur pioneer.
33:11Spinosaurus.
33:19The largest predator to ever walk the earth.
33:29At 15 meters long, she's bigger than a school bus.
33:40The forest provides plenty of prey.
33:47But another reason she's gotten this big is because of where she goes to escape the gloom of the swamp.
34:13Here, the high sea levels have turned the oceans into a new hunting ground for the dinosaurs.
34:22Where bigger is definitely better.
34:53Spinosaurus is adapted to a planet that is now molten.
34:57mostly ocean.
35:00And in this age, some of the largest prey is here in the water.
35:22Sharks.
35:28In a flat-out chase between a shark and a giant dog-paddling dinosaur,
35:35the shark will always win.
35:41But there's more to Spinosaurus than meets the eye.
35:52Dinosaurs aren't just becoming bigger.
35:56Some are cunning, too.
36:00She's going to make the sharks come to her.
36:15Her snout is wired with sensors that can detect the slightest movement.
36:25Now, all she needs to do is keep completely still.
36:47The best hunters are the patient ones, and her patience is starting to pay off.
37:05The blood in the water is drawing the sharks closer.
37:09The tail of the bird in the water...
37:13The tail of the bird is in the sky.
37:53She doesn't move.
37:59She knows how this game is played.
38:22Brains and brawn, a killer combination that is finally letting the dinosaurs get a foothold
38:34in the ocean.
38:45Their reach is now global and extends to the very ends of the Earth, to what will one day
38:59be Antarctica?
39:10While Spinosaurus is stalking the shallow seas and the tropics, the world's southernmost
39:18landmass is not the frozen wilderness we know today.
39:25It's a green, flourishing Eden.
39:35Where even in the dark, evolution is lighting the way.
39:50And thriving in the darkness are the dinosaurs.
40:08By this stage in the late Cretaceous, their empire is so vast that they now dominate every continent
40:18on Earth.
40:28And yet, while their reign is global, and their rule almost unchallenged, their story will take
40:44a dark turn.
40:50To be continued...
40:56To be continued...
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