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{\an8}[epic orchestral music playing]
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{\an8}[narrator] Tonight on The Americas...
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Mexico.
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This is a land of ancient civilizations
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and rich, vibrant culture.
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Where scorched deserts
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meet lush jungles,
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and the most bountiful seas on the planet.
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In such a kaleidoscope of landscapes,
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only the most ingenious...
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[buzzing]
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...will make it.
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[birds chirping]
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Mexico lies
where the North American continent
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reaches the tropics.
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And very different worlds
sit side by side.
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Dense rainforests cloak the south.
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{\an8}Its heart is flanked
by towering mountains.
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While in the north lies
the Americas' hottest desert,
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the Sonoran.
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One of the most inhospitable places
on the whole supercontinent.
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[insects trilling]
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Here, temperatures on the ground
can reach 170 degrees Fahrenheit.
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You have to be tough to survive.
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And the toughest of all
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is the mighty saguaro cactus.
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[chirping]
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They suck up every drop of water
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and hold up to a thousand gallons
in their trunks.
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A living oasis for desert life.
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[chirping]
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[buzzing]
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The saguaros defend their vast bodies
with needle-sharp spines.
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A 50-foot fortress,
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which makes it the perfect home
for one animal.
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[drumroll playing]
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A cactus pygmy owl.
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[quirky music playing]
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The size of a dollar bill,
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she's taken advantage
of others' hard work,
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setting up home in an old woodpecker nest.
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[chirps]
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She's up early.
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And this is why.
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She has a family.
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[chirping]
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Chicks... with big appetites.
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For the past month, she and her mate
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have been delivering
a constant supply of food.
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It's hard work.
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Giant lizards and kangaroo rats,
twice her weight.
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But there comes a time
in every young owl's life
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when they must be persuaded
to fly the nest.
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[chirps]
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So Mom changes tactics.
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Food deliveries...
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- [twittering]
- ...cease.
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She's making it clear. It's time to leave.
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[twittering]
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But these deserts are a hotspot...
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[ominous music playing]
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...for predators.
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Especially snakes.
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And unfortunately for the chicks,
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they home in on pygmy owl nests.
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[ominous music continues]
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[twittering]
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It's now...
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or never.
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This will be the first time
they've used their wings.
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[ominous music intensifies]
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And a landing in the wrong place
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could prove fatal.
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[twittering]
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First up...
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her strongest chick.
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[chirping]
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Her second...
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is safely out too.
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Well, just about.
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But the third seems to have doubts.
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[chirps]
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[twittering]
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In spite of Mom's calls,
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it's a flat "no" from him.
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[suspenseful music playing]
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But she has a tried-and-tested trick
to win him over.
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[twittering]
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"Lunch!"
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[chirping]
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Now she's got her chick's attention.
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[quirky music playing]
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[mother owl twittering]
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[twittering]
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[twittering continues]
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[mother owl twittering]
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And...
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he's out.
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That's not good.
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The ground is
the most dangerous place for him to be.
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[twittering]
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[ominous music playing]
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But up in the trees,
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it's not risk-free either.
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A coachwhip snake is closing in
on one of his siblings.
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It can easily swallow a chick whole.
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But not on this mom's watch.
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[dramatic music playing]
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[mother owl chirping]
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She's seen off this ambush.
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Now, to get that last chick out of danger.
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[ominous music playing]
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[chirping]
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[twittering]
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At last,
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the family are safe together.
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[light music playing]
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They've got through
the most dangerous moment in their lives,
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thanks to their mom's ingenuity and spirit
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in Mexico's...
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toughest desert.
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Stretching for almost
100,000 square miles,
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the Sonoran desert is scarred
by ancient volcanoes and lava flows.
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A legacy of colossal forces
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that have shaped the land and life
of all of Mexico.
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And to the west,
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those same forces created a unique world.
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Six million years ago,
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the country's western edge
was ripped from the mainland,
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as the Baja Peninsula split away.
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This is an ocean paradise like no other.
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[majestic music playing]
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The Sea of Cortez.
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A place where fish fly.
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And giants roam.
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[majestic music continues]
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The biggest animal
the world has ever seen.
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[spout whooshing]
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A blue whale.
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These warm and sheltered waters
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support vast populations of fish.
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[rousing music playing]
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And draw in 40 percent
of the world's marine mammal species.
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Including dolphins
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in spectacular superpods 5,000 strong.
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[rousing choral music playing]
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[orca squeals]
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It sets the scene...
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for a deadly game of cat-and-mouse.
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The most remarkable showdown in the ocean.
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The Sea of Cortez is
one of the most bountiful seas on Earth.
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And that brings opportunities
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for one of its smartest predators.
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[squealing]
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Orca live in close-knit families
called "pods"
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and communicate using a series
of pulsed calls and whistles.
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Each pod has its own unique dialect.
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[calling]
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To thrive, they must hunt together
several times a day.
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[soft music playing]
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[orcas calling]
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And now the family has
one more mouth to feed.
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At two years old, this calf
is at a critical stage of life.
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Her mother's milk is no longer enough,
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so her future now depends
on her family's hunting skills.
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[spout puffs]
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The pod fall silent.
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It's time...
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to listen.
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[whistling]
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[whistling, clicking]
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That is the sound of bottlenose dolphins.
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The orca can hear their prey
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long before they see it.
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This family are one of the only pods
in the world known to hunt dolphins.
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Behavior so rare
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that it has hardly ever been seen before.
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To succeed, they must use
the element of surprise.
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[suspenseful music playing]
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Even breaking the surface to breathe
could give them away.
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The adults can hold their breath
for 15 minutes.
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But a calf can only hold hers
half that time.
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She needs air.
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[music intensifies]
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[puffs]
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The cover is blown.
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And the chase...
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is on.
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[dramatic music playing]
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One dolphin splits from its group,
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a mistake that gives the orca a chance.
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Working as a team,
they coordinate their hunt.
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And one by one,
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they take turns to tire the prey
they so desperately need.
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[dramatic music intensifies]
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They close in for the kill.
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[music fades]
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[calling, whistling]
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The hunt... is over.
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The dolphin is shared out.
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And the calf gets the food
she's depending on.
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[squealing, clicking]
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This clever teamwork...
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is learned from one generation to the next
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and allows the orcas to support
their family in this unique sea.
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[adult orca calls]
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In these waters, life can flourish
in the most unlikely places.
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As the Earth's crust ripped apart
to form the Sea of Cortez,
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volcanic activity created new islands.
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[gentle music playing]
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The most remote of all
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is San Pedro M�rtir.
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Over 30 miles from the mainland,
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this lonely pinnacle of rock
is the perfect rendezvous
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for seabirds looking for love,
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[birds squawking]
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Mexico's very own Temptation Island.
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[squawking]
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Each year, thousands of seabirds
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find their way
to the isolated island of San Pedro M�rtir
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in search of romance.
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[buoyant music playing]
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Including the best-named bird
in all of Mexico.
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- [squawks]
- The blue-footed booby.
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It's breeding season.
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And this male
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is in a long-term relationship.
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Their bond is all based around one thing.
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- [squawks]
- You guessed it.
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Those bright blue feet.
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The intensity of the blue
signals just how fit and strong he is.
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00:17:17,000 --> 00:17:18,680
So the bluer, the better.
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00:17:21,320 --> 00:17:24,080
Thanks to the pigment in his fishy diet,
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he already has a knockout pair.
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But to keep them this way,
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it's time for him to go fishing.
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[squawking]
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00:17:42,240 --> 00:17:43,920
Once they bond with each other,
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00:17:44,760 --> 00:17:48,280
booby pairs are normally set for life.
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00:17:49,120 --> 00:17:51,000
But not all boobies...
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play by the rules.
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00:17:56,080 --> 00:18:00,480
A quick two-step from someone else
catches her eye.
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00:18:03,000 --> 00:18:06,879
Could this male's feet
be even bluer and better
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00:18:06,880 --> 00:18:08,479
than her partner's?
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00:18:08,480 --> 00:18:10,320
[bright music playing]
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00:18:13,880 --> 00:18:17,039
[whistling]
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00:18:17,040 --> 00:18:19,480
His whistle display shows he's eager.
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00:18:22,640 --> 00:18:23,690
[whistling]
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00:18:28,160 --> 00:18:29,359
With a honk of interest...
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00:18:29,360 --> 00:18:30,880
[honking]
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00:18:33,760 --> 00:18:35,160
...her head's been turned.
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00:18:36,120 --> 00:18:39,440
[whistling]
253
00:18:42,040 --> 00:18:44,440
But now there's going to be trouble.
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Her old flame is back.
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00:18:48,240 --> 00:18:50,760
He seems pleased
with the look of his feet.
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00:18:53,440 --> 00:18:56,720
But his partner
is looking at somebody else's.
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00:18:59,480 --> 00:19:01,840
He's not going to stand for that!
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00:19:02,520 --> 00:19:04,080
[fierce squawking]
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00:19:05,000 --> 00:19:07,560
[intense music playing]
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00:19:12,840 --> 00:19:14,640
[loud squawking]
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That showed him.
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00:19:33,160 --> 00:19:36,040
Our hero may have seen off his rival.
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00:19:39,640 --> 00:19:43,680
But his relationship
looks like it's on the rocks.
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[whistling]
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00:19:47,720 --> 00:19:49,640
Maybe a gift will help.
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00:19:52,720 --> 00:19:54,640
A well-chosen stone?
267
00:19:59,720 --> 00:20:00,840
Not impressed.
268
00:20:05,800 --> 00:20:08,800
Perhaps a softer approach.
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00:20:17,560 --> 00:20:18,879
[honking loudly]
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00:20:18,880 --> 00:20:22,400
Hmm... that seems to have done the trick.
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00:20:24,960 --> 00:20:28,799
And they pick up
right where they left off.
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[bright music playing]
273
00:20:30,920 --> 00:20:34,520
[clucking]
274
00:20:41,040 --> 00:20:42,440
[honking]
275
00:20:45,760 --> 00:20:46,810
[squawking]
276
00:20:50,640 --> 00:20:52,040
But on this island,
277
00:20:53,440 --> 00:20:57,200
temptation is never far away.
278
00:21:09,200 --> 00:21:13,720
Mexico's coastlines
stretch nearly 7,000 miles.
279
00:21:15,320 --> 00:21:18,600
And heading south,
the very nature of the land changes.
280
00:21:19,560 --> 00:21:21,839
This is a tropical world.
281
00:21:21,840 --> 00:21:25,560
Here, forces below ground
have pushed the earth skywards,
282
00:21:26,080 --> 00:21:28,480
creating a maze of mountains.
283
00:21:29,480 --> 00:21:31,280
[birds chirping]
284
00:21:32,560 --> 00:21:34,000
For a few months each year,
285
00:21:34,800 --> 00:21:38,439
these peaks catch moisture
as it rolls in from the Pacific.
286
00:21:38,440 --> 00:21:40,080
[thunder rumbling]
287
00:21:43,480 --> 00:21:46,600
And it falls as torrential rain.
288
00:21:47,760 --> 00:21:49,720
[serene music playing]
289
00:21:57,280 --> 00:21:58,760
[birds chirping]
290
00:22:05,920 --> 00:22:09,839
These humid tropical forests
provide ideal conditions
291
00:22:09,840 --> 00:22:13,480
for rare and precious natural jewels.
292
00:22:20,160 --> 00:22:21,210
Orchids.
293
00:22:25,040 --> 00:22:28,320
Mexico is home
to over a thousand species.
294
00:22:29,600 --> 00:22:32,440
Almost half of them found
nowhere else on Earth.
295
00:22:39,800 --> 00:22:43,360
Many release
an intoxicating signature scent,
296
00:22:44,000 --> 00:22:48,079
sending one resident into a frenzy.
297
00:22:48,080 --> 00:22:49,680
[buzzing]
298
00:22:51,680 --> 00:22:53,920
- [birds chirping]
- [animal calling]
299
00:22:54,400 --> 00:22:58,159
The tropical mountain forests
of Mexico's southwest
300
00:22:58,160 --> 00:23:00,039
provide for a creature
301
00:23:00,040 --> 00:23:03,840
who is a passionate collector of scent.
302
00:23:04,840 --> 00:23:06,640
[ethereal music playing]
303
00:23:08,720 --> 00:23:10,880
[buzzing]
304
00:23:11,600 --> 00:23:13,560
A male orchid bee.
305
00:23:21,440 --> 00:23:24,960
To attract a mate,
he must create his own perfume.
306
00:23:28,040 --> 00:23:31,360
He sweeps up scents with special brushes
307
00:23:32,640 --> 00:23:35,680
and mixes them in pockets
on his back legs.
308
00:23:40,080 --> 00:23:42,600
And it's not just orchids he needs.
309
00:23:44,000 --> 00:23:46,759
These bees can travel 30 miles,
310
00:23:46,760 --> 00:23:49,920
collecting as many as 40 different smells
311
00:23:52,000 --> 00:23:54,520
because the more complex the cologne,
312
00:23:55,480 --> 00:23:57,319
the more attractive the bee.
313
00:23:57,320 --> 00:23:59,680
[buzzing]
314
00:24:01,360 --> 00:24:06,840
But there's one scent
this master perfumier needs most of all.
315
00:24:08,440 --> 00:24:10,680
The Stanhopea orchid.
316
00:24:11,360 --> 00:24:13,160
[magical music playing]
317
00:24:14,240 --> 00:24:19,840
Unfortunately, its flowers only open
just a few days each year.
318
00:24:27,120 --> 00:24:28,440
And worse,
319
00:24:30,040 --> 00:24:31,320
he has a rival.
320
00:24:31,920 --> 00:24:33,560
[buzzing]
321
00:24:37,320 --> 00:24:39,320
[frantic music playing]
322
00:24:40,640 --> 00:24:44,640
Male bees compete
to collect the most seductive scent.
323
00:24:47,320 --> 00:24:48,560
A little leaf wax.
324
00:24:53,040 --> 00:24:55,120
A whiff of fungus.
325
00:24:57,960 --> 00:24:59,920
[frantic music continues]
326
00:25:01,280 --> 00:25:04,680
And our hero adds a hint of rotted wood.
327
00:25:08,320 --> 00:25:09,600
While the rival...
328
00:25:10,880 --> 00:25:12,960
spots a workaround.
329
00:25:14,080 --> 00:25:15,680
A dead orchid bee
330
00:25:16,680 --> 00:25:18,719
with pockets full of scent...
331
00:25:18,720 --> 00:25:20,760
that can be stolen.
332
00:25:24,640 --> 00:25:28,320
But it could turn out to be
one big mistake
333
00:25:29,240 --> 00:25:30,600
because at last,
334
00:25:32,280 --> 00:25:35,440
the Stanhopea has burst into flower.
335
00:25:38,480 --> 00:25:41,120
And our hero is right there
336
00:25:41,680 --> 00:25:42,760
to cash in.
337
00:25:45,840 --> 00:25:48,840
[triumphant music playing]
338
00:25:49,600 --> 00:25:53,160
Now he can get the final ingredient.
339
00:25:54,600 --> 00:25:56,400
The secret sauce.
340
00:25:59,240 --> 00:26:01,840
But it doesn't come for free.
341
00:26:03,080 --> 00:26:05,800
The orchid deposits pollen on his back.
342
00:26:08,560 --> 00:26:13,720
So this bee will fertilize
the next Stanhopea he visits,
343
00:26:14,400 --> 00:26:16,400
ensuring the orchid's future.
344
00:26:18,200 --> 00:26:22,080
In the meantime,
he's completed his ultimate perfume.
345
00:26:23,440 --> 00:26:25,480
And once a female gets a whiff of it,
346
00:26:26,400 --> 00:26:29,440
the chemistry will be perfect.
347
00:26:31,640 --> 00:26:32,840
[buzzing]
348
00:26:35,600 --> 00:26:38,999
To the east, Mexico's mountains fall away
349
00:26:39,000 --> 00:26:41,680
to a landscape
that couldn't be more different.
350
00:26:43,040 --> 00:26:45,519
Here, more than 11 million years ago,
351
00:26:45,520 --> 00:26:50,159
a huge limestone plateau
collided with the mainland
352
00:26:50,160 --> 00:26:54,080
and formed the Yucatan Peninsula.
353
00:26:56,600 --> 00:26:58,840
[majestic music playing]
354
00:26:59,720 --> 00:27:03,240
It's nearly 75,000 square miles
355
00:27:04,120 --> 00:27:08,480
cloaked by the largest
tropical forest in North America.
356
00:27:09,880 --> 00:27:11,319
[birds chirping]
357
00:27:11,320 --> 00:27:13,599
[chirping continues]
358
00:27:13,600 --> 00:27:15,680
[chittering]
359
00:27:18,280 --> 00:27:20,520
Mexican spider monkeys.
360
00:27:23,880 --> 00:27:25,600
Acrobatic experts...
361
00:27:26,280 --> 00:27:28,360
in treetop travel.
362
00:27:29,280 --> 00:27:31,080
[light music playing]
363
00:27:35,280 --> 00:27:39,319
But this is a skill
that takes time to master.
364
00:27:39,320 --> 00:27:40,480
[chittering]
365
00:27:41,240 --> 00:27:42,439
So...
366
00:27:42,440 --> 00:27:44,560
for the first two years of life,
367
00:27:45,760 --> 00:27:49,280
transport is courtesy of Mom.
368
00:27:52,480 --> 00:27:57,239
To nurse her baby, she needs to eat
four pounds of fruit every day.
369
00:27:57,240 --> 00:28:00,320
[lively music playing]
370
00:28:10,240 --> 00:28:11,559
The problem is,
371
00:28:11,560 --> 00:28:13,400
it's the dry season,
372
00:28:15,520 --> 00:28:17,320
and fruit is scarce.
373
00:28:26,360 --> 00:28:29,759
Luckily, Mom has a mental map
of the forest
374
00:28:29,760 --> 00:28:32,560
and knows a place
that will always provide.
375
00:28:37,440 --> 00:28:40,840
The trees here are laden with fruit.
376
00:28:44,360 --> 00:28:46,600
And there's a surprising reason why.
377
00:28:51,240 --> 00:28:55,639
These forests were once home
to one of the greatest civilizations
378
00:28:55,640 --> 00:28:57,400
in human history.
379
00:28:58,200 --> 00:29:00,040
[epic music playing]
380
00:29:01,760 --> 00:29:02,880
The Maya.
381
00:29:04,520 --> 00:29:07,880
Standing here are the ruins
of a once great city,
382
00:29:08,800 --> 00:29:09,850
Calakmul.
383
00:29:13,080 --> 00:29:17,160
The people that lived here
planted many fruit trees,
384
00:29:17,640 --> 00:29:19,880
a legacy that lives on today.
385
00:29:24,560 --> 00:29:26,039
In the seventh century,
386
00:29:26,040 --> 00:29:29,400
Calakmul supported
more than 50,000 people.
387
00:29:30,680 --> 00:29:32,680
But there is a mystery here.
388
00:29:33,240 --> 00:29:36,599
Almost every other civilization
built their major cities
389
00:29:36,600 --> 00:29:38,240
next to a source of water.
390
00:29:38,241 --> 00:29:42,279
But throughout the Yucatan,
there's not a single river,
391
00:29:42,280 --> 00:29:44,280
lake, or even a stream.
392
00:29:45,680 --> 00:29:48,080
So how did the Maya thrive?
393
00:29:50,280 --> 00:29:55,760
They knew that this forest
held a unique secret.
394
00:29:59,720 --> 00:30:03,560
For the ancient Maya to thrive
in the forests of the Yucatan,
395
00:30:04,040 --> 00:30:05,679
they had to find water.
396
00:30:05,680 --> 00:30:07,239
[birds chirping]
397
00:30:07,240 --> 00:30:10,200
They needed help from an unusual guide.
398
00:30:11,400 --> 00:30:13,759
One with a distinctive call
399
00:30:13,760 --> 00:30:15,479
that they could follow.
400
00:30:15,480 --> 00:30:16,720
[squawking]
401
00:30:17,960 --> 00:30:21,559
Turquoise-browed motmots, like these,
402
00:30:21,560 --> 00:30:24,040
led the Maya to hidden freshwater pools
403
00:30:24,600 --> 00:30:28,240
deep underground called "cenotes."
404
00:30:33,800 --> 00:30:38,240
Virtually every cenote
has its own resident motmot colony.
405
00:30:40,000 --> 00:30:41,050
[squawks]
406
00:30:47,040 --> 00:30:50,400
The Maya not only depended
on the cenotes for water,
407
00:30:51,120 --> 00:30:53,400
they believed they were portals
408
00:30:54,120 --> 00:30:55,280
into the underworld.
409
00:31:01,720 --> 00:31:05,480
These labyrinths,
running over a thousand miles,
410
00:31:06,240 --> 00:31:10,240
form the longest flooded cave system
in the world.
411
00:31:12,000 --> 00:31:13,960
[mystical music playing]
412
00:31:21,400 --> 00:31:26,080
And some are less explored
than the surface of the moon.
413
00:31:30,880 --> 00:31:35,199
It's a place only
the world's most experienced divers
414
00:31:35,200 --> 00:31:36,560
attempt to venture.
415
00:31:43,280 --> 00:31:46,480
Home to seemingly alien life forms.
416
00:31:48,200 --> 00:31:50,000
A blind cave fish,
417
00:31:50,600 --> 00:31:52,960
with no pigment or eyes.
418
00:31:54,960 --> 00:31:58,360
Why would you need them
in the endless darkness?
419
00:31:59,800 --> 00:32:02,280
And an entirely new species
420
00:32:02,920 --> 00:32:04,440
never filmed before,
421
00:32:05,880 --> 00:32:07,680
cave brittle stars.
422
00:32:11,200 --> 00:32:14,000
They survive on organic matter,
423
00:32:14,600 --> 00:32:17,400
which here can take
thousands of years to decay.
424
00:32:20,160 --> 00:32:22,079
Deeper in the cave,
425
00:32:22,080 --> 00:32:24,840
there are even stranger discoveries.
426
00:32:26,520 --> 00:32:31,280
A place that plays tricks with your mind.
427
00:32:32,400 --> 00:32:34,640
[mystical music continues]
428
00:32:37,560 --> 00:32:39,520
This isn't the surface.
429
00:32:42,320 --> 00:32:46,280
It's a boundary between two water worlds.
430
00:32:53,240 --> 00:32:56,560
Beneath is heavier salt water
from the ocean,
431
00:32:57,800 --> 00:33:02,840
and above, lighter fresh water
that filters down through the rocks.
432
00:33:05,480 --> 00:33:07,520
It's called a "halocline."
433
00:33:16,440 --> 00:33:22,880
And living here, is an animal
that you could say time forgot.
434
00:33:25,520 --> 00:33:27,960
A venomous remipede.
435
00:33:28,720 --> 00:33:32,760
A living fossil from before the dinosaurs.
436
00:33:36,320 --> 00:33:40,759
It's recently been discovered
that its kind are the ancestors
437
00:33:40,760 --> 00:33:43,800
of all living insects,
438
00:33:45,560 --> 00:33:48,680
over half of all life on our planet.
439
00:33:54,720 --> 00:33:56,119
Beyond the halocline,
440
00:33:56,120 --> 00:33:59,720
these hidden caves lead towards the ocean,
441
00:34:00,960 --> 00:34:05,360
where they flow
into another magical water world.
442
00:34:08,320 --> 00:34:10,679
Mangrove forests.
443
00:34:10,680 --> 00:34:13,040
[soft music playing]
444
00:34:15,800 --> 00:34:16,960
[chittering]
445
00:34:19,360 --> 00:34:22,639
Mangroves can survive in salt water.
446
00:34:22,640 --> 00:34:24,320
The only tree that can.
447
00:34:26,360 --> 00:34:29,120
They have specialized pores on the surface
448
00:34:29,760 --> 00:34:32,360
that both filter out the salt
449
00:34:33,320 --> 00:34:37,360
and take in the oxygen
dissolved in the seawater.
450
00:34:44,440 --> 00:34:49,560
There are more mangroves in Mexico
than anywhere else on the continent.
451
00:34:53,680 --> 00:34:54,730
[chittering]
452
00:34:56,040 --> 00:35:00,079
And they support
one of the country's most iconic
453
00:35:00,080 --> 00:35:02,760
and mysterious creatures.
454
00:35:10,880 --> 00:35:15,040
Hidden amongst the vast mangroves
of Mexico's west coast,
455
00:35:16,000 --> 00:35:20,120
are one of the country's
most stealthy hunters.
456
00:35:22,400 --> 00:35:23,640
[squealing]
457
00:35:25,040 --> 00:35:26,520
[panting]
458
00:35:27,800 --> 00:35:28,850
Jaguar.
459
00:35:31,840 --> 00:35:36,480
Mexico is home
to almost 5,000 of these big cats.
460
00:35:39,000 --> 00:35:42,160
In many places, they have been protected.
461
00:35:42,880 --> 00:35:45,920
In some, the population has increased.
462
00:35:51,080 --> 00:35:55,720
Jaguars were revered as gods
by ancient civilizations.
463
00:36:02,400 --> 00:36:05,600
They were seen as rulers
of the underworld.
464
00:36:09,360 --> 00:36:14,680
The guardians to accompany souls
from this world to the next.
465
00:36:17,000 --> 00:36:19,000
[soft music playing]
466
00:36:20,120 --> 00:36:22,720
Where death is not the end,
467
00:36:23,480 --> 00:36:25,840
but a part of the cycle of life.
468
00:36:34,720 --> 00:36:39,479
Today, people gather around
the gravesites of loved ones
469
00:36:39,480 --> 00:36:41,320
in D�a de Los Muertos,
470
00:36:42,800 --> 00:36:43,920
Day of the Dead.
471
00:36:46,480 --> 00:36:49,840
Candles guide souls
back to their relatives.
472
00:36:55,280 --> 00:36:57,519
But it's also a celebration
473
00:36:57,520 --> 00:37:00,920
that coincides with
another long-awaited return.
474
00:37:01,480 --> 00:37:03,280
[soft music continues]
475
00:37:07,560 --> 00:37:11,760
As the forests of Central Mexico
welcome millions...
476
00:37:12,760 --> 00:37:15,280
of monarch butterflies.
477
00:37:21,560 --> 00:37:26,680
Each one believed
to represent a soul of the departed.
478
00:37:30,840 --> 00:37:34,319
They have just completed
one of the greatest migrations
479
00:37:34,320 --> 00:37:35,960
in the Americas.
480
00:37:38,000 --> 00:37:41,040
To escape the harsh winters
in Canada and the US,
481
00:37:41,680 --> 00:37:43,920
they've traveled 3,000 miles,
482
00:37:45,200 --> 00:37:47,960
crossing cities, plains, and deserts
483
00:37:49,240 --> 00:37:50,290
to be here.
484
00:37:51,560 --> 00:37:53,560
[majestic music playing]
485
00:38:02,200 --> 00:38:05,720
Beneath the volcanic slopes
of Central Mexico
486
00:38:07,960 --> 00:38:10,680
is an enchanted forest.
487
00:38:13,240 --> 00:38:18,280
The perfect shelter and climate
for the monarchs to spend winter.
488
00:38:22,240 --> 00:38:26,680
These sleeping beauties
hibernate here for four months.
489
00:38:31,600 --> 00:38:34,920
They need to stay close
to each other for warmth.
490
00:38:36,800 --> 00:38:39,080
But some are running out of energy.
491
00:38:40,960 --> 00:38:42,440
[somber music playing]
492
00:38:47,160 --> 00:38:51,880
Freezing temperatures
on the forest floor can be fatal.
493
00:38:53,800 --> 00:38:56,520
[somber music continues]
494
00:39:01,440 --> 00:39:05,480
This fallen male tries to warm up
his flight muscles,
495
00:39:06,160 --> 00:39:09,000
but it's too cold to get them going.
496
00:39:10,640 --> 00:39:12,319
[birds chirping]
497
00:39:12,320 --> 00:39:13,480
High above him,
498
00:39:15,360 --> 00:39:17,720
the first rays of spring sunshine.
499
00:39:19,000 --> 00:39:21,320
[bright music playing]
500
00:39:21,800 --> 00:39:26,999
Bathed in this warmth, the monarchs
are preparing to take to the skies.
501
00:39:27,000 --> 00:39:28,200
[insects clicking]
502
00:39:29,400 --> 00:39:30,799
But the forest floor
503
00:39:30,800 --> 00:39:33,680
is still dark and cold.
504
00:39:37,520 --> 00:39:40,120
He must use the last of his strength
505
00:39:40,760 --> 00:39:42,960
if he's to reach the sunlight.
506
00:39:53,600 --> 00:39:54,760
[insect chirps]
507
00:39:57,040 --> 00:40:01,440
At last, the security of his colony.
508
00:40:05,480 --> 00:40:08,119
As temperatures continue to rise,
509
00:40:08,120 --> 00:40:10,480
he and the rest of the butterflies
510
00:40:11,320 --> 00:40:13,040
can now take flight.
511
00:40:15,360 --> 00:40:16,920
[bright music playing]
512
00:40:17,920 --> 00:40:21,640
Together, they have survived
another winter...
513
00:40:23,240 --> 00:40:26,319
and will soon leave
to return to the north.
514
00:40:26,320 --> 00:40:29,280
[enchanting music playing]
515
00:40:36,560 --> 00:40:41,280
Their remarkable ability
to find this one special forest
516
00:40:41,800 --> 00:40:44,640
amongst Mexico's
kaleidoscope of landscapes
517
00:40:45,640 --> 00:40:49,080
allows these beautiful butterflies
to flourish.
518
00:40:52,400 --> 00:40:57,560
One of the greatest
natural wonders on Earth.
519
00:41:00,720 --> 00:41:04,479
[narrator] Flamingos.
They gather here for a dance-off,
520
00:41:04,480 --> 00:41:07,039
hoping to find a mate.
521
00:41:07,040 --> 00:41:08,359
[upbeat music playing]
522
00:41:08,360 --> 00:41:11,040
The Americas, our home.
523
00:41:11,880 --> 00:41:14,159
Where giants roam.
524
00:41:14,160 --> 00:41:19,600
New life transforms
and a leap of faith is taken
525
00:41:20,160 --> 00:41:21,959
in the name of love.
526
00:41:21,960 --> 00:41:28,039
? Ever cry tears into clear waters? ?
527
00:41:28,040 --> 00:41:29,839
[narrator] There's magic to be found...
528
00:41:29,840 --> 00:41:35,079
? Through ancient Earth
I'll go in wonder ?
529
00:41:35,080 --> 00:41:36,759
...in your own back yard.
530
00:41:36,760 --> 00:41:39,479
? Wander again ?
531
00:41:39,480 --> 00:41:43,640
? Yeah, wandering, wandering, wandering ?
532
00:41:44,280 --> 00:41:47,320
? Wandering, wandering, wandering ?
533
00:41:48,080 --> 00:41:51,400
[narrator]
This is where spectacular stories...
534
00:41:52,480 --> 00:41:53,530
unfold.
535
00:41:55,000 --> 00:41:59,480
[singer vocalizing]
536
00:42:00,000 --> 00:42:02,000
[upbeat music continues]
537
00:42:02,050 --> 00:42:06,600
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