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.
01:05Weta 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.
02:04Euteranus.
02:05Euteranus.
02:07The Snow King.
02:13An early relative of T-Rex.
02:19With 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.
02:43Euteranus.
02:47Camouflage.
02:49The ultimate weapon for an ambush hunter.
03:16With silent precision, he picks out the smallest member of the herd.
03:36Oh, my God.
03:52In a savage, ever-changing world, some will rise, and some will fall, file, and advance relentlessly to seize Earth's
04:12final frontiers.
04:35Oh, my God.
04:38Oh, my God.
04:49Oh, my God.
05:44Oh, my God.
06:14Oh, my God.
06:23Oh, my God.
06:35Oh, my God.
07:05Oh, my God.
07:06Oh, my God.
07:26Oh, my God.
07:58Oh, my God.
08:18Oh, my God.
08:28Oh, my God.
08:50Oh, my God.
09:07Oh, my God.
09:26Oh, my God.
09:34Oh, my God.
09:48Oh, my God.
09:54Oh, my God.
09:54Oh, my God.
10:04In a previous era, flying dinosaurs like Ancyonis could only glide.
10:13Now they're able to flap their wings and maneuver with precision to strike at their enemies.
10:31They're fast and fearless.
10:46It only gets worse for the towering pterosaur.
10:50Because long ebterichs are distant cousins of Eutyrannus, the Snow King.
11:11After ruling the skies since the Triassic, pterosaurs are now being matched by the dinosaurs.
11:28But as the dinosaurs fight to expand their empire into the air, an even greater revolution lies ahead.
11:48Not in the mountains, or the skies, or the oceans.
11:56The biggest twist in Earth's tale is unfolding quietly, almost in secret.
12:09Seven million years later, this new force is slowly rewriting the dinosaur story.
12:26Seven million years later, this is one of the first flowers this forest has ever seen.
12:38Just one.
12:41In a vast and diverse new generation of plants.
12:49And they will become a phenomenon, with the help of a close ally.
13:03Beetles.
13:06They carry pollen from one flower to the next.
13:17Nature's most reliable delivery service.
13:27Helping these new plants spread far and wide across the globe.
13:39Transforming the dinosaur's empire.
13:54But this new generation of plants has a dark side.
14:02Star-sourced species.
14:03The people that they have to live with.
14:05The people that they have to live with.
14:05The people that they have to live with.
14:07The people that they have to live with.
14:08While they need to attract pollinators, many are also evolved to repel herbivores.
14:20With spines, thorns, and poisons.
14:40This green revolution changes everything for the plant-eating dinosaurs,
14:50including the great stegosaurs,
14:54the great stegosaurs,
14:57the great stegosaur.
15:03They are herd animals by nature,
15:07but this young stegosaur, barely two years old, is all alone.
15:21She is the last of her herd.
15:36To eat these tougher new plants requires a mouth that can chew food,
15:42in a way her primitive jaw cannot.
15:53She's starving.
16:09These once great herbivores are unable to adapt to this new world.
16:23It's one reason why their 50 million year existence will come to an end.
16:32Extinction.
16:41But in the wake of the stegosaur's demise,
16:45a new era will emerge.
16:53Over the next 15 million years,
16:56these new plants evolve and diversify,
17:02spreading across the planet
17:05and ever further into the dinosaur's empire.
17:18The green revolution now covers the globe.
17:24And not just the land,
17:27but the water as well.
17:35even providing cover
17:38and food
17:40for underwater explorers
17:47like ankylosaurs.
18:09This bathing beauty is a different kind of dinosaur.
18:21He's a plant eater,
18:23like the stegosaurs.
18:26But a fancier one.
18:28Much fancier.
18:39It's the perfect adaptation for this diverse new world.
18:52He wants to take full advantage of all this great kingdom has to offer.
19:00And he has a plan.
19:11It's a long trek.
19:17But the journey is worth it.
19:30...
19:41...
19:47His passion
19:49is singing.
19:57He even has special hollows in his snout that amplify his song, so it can be heard far and
20:11wide.
20:12and
20:15the
20:16the
20:17the
20:18the
20:20I don't know.
20:55A female has answered his call.
21:01It's time to charm her with his deep, sultry humming.
21:13Then, he shows her his stylish armor.
21:28It's all very persuasive.
21:51Their fancy attire does have some drawbacks, mind you.
21:59On the whole, though, heavy armor and an improved jaw are setting them up for success.
22:14But what no dinosaur could possibly know is that their empire has been gradually shrinking.
22:28Hidden below the waves, this world, once ruled by dinosaurs,
22:40is now completely out of their reach.
22:49And there's a reason.
22:56At the very bottom of the ocean.
23:01A slow, imperceptible shift, reshaping the planet.
23:15The seabed is fracturing from an endless progression of eruptions.
23:49Earth's tectonic plates are shifting.
23:54Breaking apart the ocean floor.
23:58Lifting it higher over millions of years.
24:06The water above has nowhere else to go but up.
24:13By the middle of the Cretaceous, sea levels reach their highest point in history.
24:20Over 200 meters higher than they are today.
24:42The rising oceans repaint the map of the world, erasing entire land masses.
24:54The continent of Europe is reduced to a giant archipelago that includes the Isle of Hatzig.
25:09Where isolation and evolution have created a kind of Neverland for the dinosaurs.
25:18A world where normal rules don't apply.
25:29This is the home of Magyarosaurus.
25:34A sauropod.
25:39And, like other sauropods, he uses his long neck to reach the highest vegetation.
25:57The thing is, this vegetation is only two meters tall.
26:05Which makes Magyarosaurus about the size of a pony.
26:26On Hatzig, where there's limited space and food, sometimes smaller is better.
26:51But unlike Magyarosaurus, for predators, bigger is still better.
27:13As tall as a giraffe, one of the largest pterosaurs to ever live.
27:24The nightmare, Hatzigopteryx.
27:33She's flown to this island to feed on dinosaurs.
27:49The youngest member of the herd gets separated.
28:00But it won't be an easy catch.
28:05Unlike his giant cousins, he's light on his feet.
28:36But being this small, he can't see the others.
28:48They found a safe hiding spot.
28:51Perfect for their size.
28:56GAAI-MHHHHH!
29:13Whoah!
29:35I'll be right back.
29:47Ow, ow, ow, ow.
30:36The tiny dinosaurs, trapped on an island, has nowhere else to go.
30:55But in a world so divided by the ocean, evolution takes different turns in different places.
31:13Ninety-six million years ago, sea levels are close to the highest they've ever been.
31:30Creating a water world that no dinosaur has dared to enter.
31:44But that's about to change.
31:59Lurking in this mangrove swamp is a carnivore that has specially evolved to take on the final frontier.
32:20A dinosaur pioneer.
32:36Spinosaurus.
32:37Spinosaurus.
32:40Spinosaurus.
32:43Spinosaurus.
32:44The largest predator to ever walk the earth.
32:50Spinosaurus.
33:02Spinosaurus.
33:05The forest provides plenty of prey, but another reason she's gotten this big is because of
33:18where she goes to escape the gloom of the swamp.
33:38Here, the high sea levels have turned the oceans into a new hunting ground for the dinosaurs.
33:48Where bigger is definitely better.
34:18Spinosaurus is adapted to a planet that is now mostly ocean, is here in the water.
34:41Sharks.
34:47In a flat-out chase between a shark and a giant dog-paddling dinosaur,
34:53the shark will always win.
35:00But there's more to Spinosaurus than meets the eye.
35:11Dinosaurs aren't just becoming bigger.
35:15Some are cunning, too.
35:20She's going to make the sharks come to her.
35:34Her snout is wired with sensors that can detect the slightest movement.
35:44Now, all she needs to do is keep completely still.
36:06The best hunters are the patient ones.
36:13And her patience is starting to pay off.
36:24The blood in the water is drawing the sharks closer.
36:51She's got no attention, she's going through the morgenало of her.
36:56The sharks are gonna lose about here.
36:56They addiction space.
36:56The whales have a shy nearby fuego.
37:12She doesn't move.
37:18She knows how this game is played.
37:41Brains and brawn, a killer combination that is finally letting the dinosaurs get a foothold
37:53in the ocean.
38:03Their reach is now global and extends to the very ends of the Earth, to what will one day
38:18be Antarctica?
38:29While Spinosaurus is stalking the shallow seas and the tropics, the world's southernmost
38:37landmass is not the frozen wilderness we know today.
38:45It's a green, flourishing Eden, where even in the dark, evolution is lighting the way.
39:09And thriving in the darkness are the dinosaurs.
39:27By this stage in the late Cretaceous, their empire is so vast that they now dominate every continent
39:37on Earth.
39:47And yet, while their reign is global, and their rule almost unchallenged, their story will take
40:03a dark turn.
40:04blast
40:28voilalinlaughshe
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