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♪ ♪
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NARRATOR: Alaska's
Lake Clark National Park.
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A vast, thriving wilderness...
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where big beasts roam.
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♪ ♪
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Coastal brown bears.
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♪ ♪
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Fresh out of hibernation,
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their sole focus
is finding food.
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♪ ♪
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The hunt is on.
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♪ ♪
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The bears pounce
on every opportunity
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to fatten up before winter.
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♪ ♪
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It's a race against time
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to feast on the bounty
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in Lake Clark National Park.
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♪ ♪
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Lake Clark National Park
is a hidden Alaska gem.
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♪ ♪
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A pristine landscape
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virtually unchanged
in thousands of years.
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♪ ♪
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Established in 1980,
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the park protects
the headwaters
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of the largest sockeye salmon
run on Earth.
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♪ ♪
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Named after one of its lakes,
the 40-mile-long Lake Clark.
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♪ ♪
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But there are more than
20 lakes here,
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all bursting with life.
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Water is the lifeblood
of the park.
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♪ ♪
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(chattering)
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A pair of courting
red-necked grebes.
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They have a perfect
nesting spot:
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a shallow lake edge,
surrounded by vegetation,
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where they are unlikely
to be disturbed.
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The male faces a challenge.
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♪ ♪
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He wants a family, but first
he needs to impress the female
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with his nest-building skills.
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♪ ♪
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It may seem like he's
showing off, because he is!
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♪ ♪
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Some last-minute
finishing touches
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before site inspection.
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The female has
the final sign-off.
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(geese honking)
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♪ ♪
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She likes what she sees...
(chattering)
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and invites the male
to join her.
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(squawk)
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An attentive nest builder
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is likely to make
an attentive father.
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♪ ♪
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Now it's a waiting game
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to see if the pair
will produce any chicks.
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♪ ♪
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(birds warbling)
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(squawk)
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(chattering)
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(chirping)
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♪ ♪
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Dad's still hard at work.
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His next job: feeding them.
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But it's not easy
to digest bony fish.
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Luckily for the chicks,
mom shows them a bizarre trick.
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♪ ♪
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She takes one of her soft
down feathers...
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and eats it.
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♪ ♪
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The feathers act like a sieve,
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protecting their intestines
from spiky fish bones.
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♪ ♪
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But the real trick,
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she's got to get her chicks
to eat a feather, too.
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Hmmm, this is not
gonna be easy.
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♪ ♪
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Almost.
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Oops.
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♪ ♪
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Finally, the chick's got it.
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An ingenious solution
to a bony problem.
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♪ ♪
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(croaking)
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(buzzing)
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When it comes to food,
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the animals in this park
are lucky,
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because Lake Clark
is supercharged
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by incredibly fertile soil.
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Thanks to 180 million years
of volcanic activity.
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♪ ♪
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Two volcanoes
are still erupting:
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Mount Redoubt
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and Mount Iliamna.
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They pump out mineral-rich ash,
nature's fertilizer,
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across the park.
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Glaciers also play a part,
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grinding down the bedrock
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as they move to create
nutrient-packed glacial flour.
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♪ ♪
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Meltwater carries this flour
down to the lakes.
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♪ ♪
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It gives them their distinct
turquoise color.
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♪ ♪
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These nutrients spread
through 6,000 miles
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of rivers and streams that
flow across the park,
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helping to create
a thriving ecosystem.
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♪ ♪
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The meltwaters also
carry rocks with them,
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which are scattered
along the coast.
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They provide the perfect lounge
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for harbor seals
and their pups.
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These rocks are
a safe haven for them,
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offshore, away from
land predators,
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like wolves, bears or coyotes.
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(grunting)
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In less than a month,
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the pups will be ready
for life on their own.
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To meet that target,
they will not leave mom's side.
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The high-fat milk will get them
big and strong, fast!
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♪ ♪
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(grunting)
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In or out of the water,
they have to keep up.
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When they want to rest,
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glacial rocks provide
a sanctuary out of danger.
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(seals groaning)
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Just behind the coast,
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Lake Clark National Park
offers another rich habitat.
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The salt marsh.
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One of the most productive
ecosystems on Earth.
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They flourish,
thanks to huge tides
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of nutrient-packed seawater,
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mixing with mineral-rich
river sediment
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to create
a biological supermarket.
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♪ ♪
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The meadows are
the perfect food source
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for one of the park's
largest residents,
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who are just waking up
from their winter slumber.
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(grunt)
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Brown bears.
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The abundance of food
across the park
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allows it to support
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one of the densest populations
in the world,
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where they can live
for up to 25 years.
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Among them, a female,
recently emerged from her den.
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She's not alone.
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This mom has an adorable cub,
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intent on exploring
the world around him.
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♪ ♪
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But mom is on a mission.
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When brown bears emerge
from hibernation,
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they have often lost
up to 40% in weight.
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This pair has just five months
to fatten up
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before the next
tough Alaskan winter.
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(panting)
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Mom and cub have one thing
on their mind...
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♪ ♪
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Eating.
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(bird shrieking)
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It takes a lot of work.
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♪ ♪
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Mom needs to eat for
at least 12 hours a day
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to maintain her weight.
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♪ ♪
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The grass might not
provide much energy,
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but it is the perfect appetizer
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to kick-start their stomachs
after hibernation.
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All this eating can be tiring.
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(grunt)
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It's a carefree start,
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and the cub is
completely relaxed.
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Until a lone bear
strides toward him.
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♪ ♪
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(growl)
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NARRATOR: The bear's not coming
for the cub;
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it's got another target.
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♪ ♪
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(roaring)
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They're sizing each other up,
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battling for superiority.
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(roaring)
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The cub still needs
to keep his distance.
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♪ ♪
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(roaring)
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Mom makes sure
he stays behind her.
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(roaring)
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♪ ♪
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It looks serious.
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But the fight won't get
deadly this time.
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♪ ♪
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These guys are siblings,
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training for when they take on
a real challenge.
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(groan)
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Show's over.
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It's back to eating.
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The meadows are
a tasty starter,
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but they'll need to delve deep
into Lake Clark's pantry
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to put on enough weight
for winter.
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♪ ♪
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While the bears remain
in the park year-round,
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others are passing visitors.
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(chirping)
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The park's shoreline and inlets
make the perfect rest stop.
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Over 120,000 shorebirds
head here every year.
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♪ ♪
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This flock of sandpipers
stop on their way
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to their breeding grounds.
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♪ ♪
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The mudflats are packed full
of worms and edible critters,
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giving the birds
a chance to refuel.
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(chirping)
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Then, after six weeks,
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refreshed and reenergized,
they leave as one.
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(whooshing)
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(chirping)
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♪ ♪
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For people, it's not so easy
to come and go.
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♪ ♪
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Less than 20,000 a year make it
to this roadless wilderness.
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♪ ♪
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It's a rare opportunity to be
immersed in four million acres
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00:16:00,459 --> 00:16:02,753
of nature at its purest.
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00:16:03,087 --> 00:16:10,010
♪ ♪
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A tenth of
Lake Clark National Park
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is covered by boreal forest
of mainly spruce and birch.
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Providing an ideal habitat
for a young family.
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(chirping)
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00:16:31,949 --> 00:16:35,327
Nestled beneath these
tree roots is a den...
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(mew)
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00:16:37,746 --> 00:16:40,582
(birds singing)
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00:16:40,666 --> 00:16:42,084
...of red foxes.
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00:16:43,127 --> 00:16:48,215
(birds singing)
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00:16:48,298 --> 00:16:49,383
(mew)
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00:16:49,466 --> 00:16:52,553
(croaking)
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00:16:52,636 --> 00:16:54,763
There are five pups
in the litter.
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00:16:57,641 --> 00:17:01,603
With boundless energy,
they are full of adventure.
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00:17:02,021 --> 00:17:08,902
♪ ♪
241
00:17:17,411 --> 00:17:19,496
Exploring everywhere.
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00:17:19,913 --> 00:17:25,627
♪ ♪
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00:17:25,711 --> 00:17:30,424
Mom has her paws full
with so many mouths to feed.
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00:17:30,716 --> 00:17:33,218
♪ ♪
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00:17:33,302 --> 00:17:37,014
Luckily, the forests are full
of tasty morsels.
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00:17:38,015 --> 00:17:39,975
But with her pups'
growing appetites
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00:17:40,059 --> 00:17:42,144
she's spending
more time hunting,
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00:17:43,645 --> 00:17:45,939
leaving her young on their own.
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00:17:46,231 --> 00:17:48,525
♪ ♪
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00:17:48,609 --> 00:17:49,943
(yipping)
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00:17:50,027 --> 00:17:53,280
Their play-fighting is
taking on serious intent...
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00:17:54,031 --> 00:17:55,157
(barks)
253
00:17:55,240 --> 00:17:57,326
...as they learn to fend
for themselves,
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00:17:58,452 --> 00:18:00,996
stalking, pouncing,
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00:18:02,122 --> 00:18:04,541
honing skills vital
to their survival.
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00:18:05,209 --> 00:18:12,091
♪ ♪
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00:18:15,761 --> 00:18:19,139
They may need those skills
sooner than they think.
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00:18:19,556 --> 00:18:26,480
♪ ♪
259
00:18:27,147 --> 00:18:31,026
Black bears are omnivores
who eat anything.
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00:18:31,610 --> 00:18:38,575
♪ ♪
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00:18:43,747 --> 00:18:46,291
They're believed to have
the best sense of smell
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00:18:46,375 --> 00:18:48,252
of any land mammal,
263
00:18:50,838 --> 00:18:54,007
and he's zeroing in
on the pups.
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00:18:57,761 --> 00:19:00,055
NARRATOR: The foxes spot
the bear approaching,
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and make a dash for the den.
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00:19:06,603 --> 00:19:13,527
♪ ♪
267
00:19:13,986 --> 00:19:17,823
The bear has his snout down
one of the main entrances.
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00:19:17,990 --> 00:19:21,493
♪ ♪
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00:19:21,577 --> 00:19:23,996
He can only be a few feet away.
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00:19:24,204 --> 00:19:30,586
♪ ♪
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00:19:30,669 --> 00:19:32,588
(screech)
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00:19:32,671 --> 00:19:36,758
If they stay in the burrow,
they should be safe.
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00:19:37,801 --> 00:19:39,720
♪ ♪
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00:19:39,803 --> 00:19:40,888
(whimpers)
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00:19:40,971 --> 00:19:41,972
♪ ♪
276
00:19:42,055 --> 00:19:44,850
(sniffing)
277
00:19:44,933 --> 00:19:51,857
♪ ♪
278
00:19:55,319 --> 00:19:58,447
Finally, he gives up
and moves on.
279
00:20:03,285 --> 00:20:05,245
♪ ♪
280
00:20:05,329 --> 00:20:07,372
The pups are safe.
281
00:20:08,457 --> 00:20:11,501
Their lightning reactions
and instinct to hide away
282
00:20:11,585 --> 00:20:14,963
means this family gets
to play another day.
283
00:20:15,172 --> 00:20:20,177
♪ ♪
284
00:20:20,260 --> 00:20:25,140
At the coast, the brown bears
are ready for the next course
285
00:20:25,224 --> 00:20:27,100
on the Lake Clark menu.
286
00:20:30,187 --> 00:20:32,147
This barren beach
might not seem like
287
00:20:32,231 --> 00:20:34,399
the obvious fast-food stop,
288
00:20:36,944 --> 00:20:40,822
but it is,
if you know where to look.
289
00:20:42,241 --> 00:20:44,159
Patience is key.
290
00:20:46,870 --> 00:20:49,873
Lake Clark National Park
has one of the greatest
291
00:20:49,957 --> 00:20:52,000
tidal ranges in the world.
292
00:20:55,003 --> 00:20:57,881
And the next course
only reveals itself
293
00:20:57,965 --> 00:21:00,467
thanks to the park's
extreme low tide.
294
00:21:01,218 --> 00:21:08,016
♪ ♪
295
00:21:08,100 --> 00:21:12,062
Scattered all along the beach
are bizarre-looking creatures.
296
00:21:14,481 --> 00:21:15,983
Razor clams.
297
00:21:16,400 --> 00:21:23,282
♪ ♪
298
00:21:25,575 --> 00:21:28,120
These quirky crustaceans
are vulnerable
299
00:21:28,203 --> 00:21:29,788
once the tide is out.
300
00:21:33,250 --> 00:21:35,836
They quickly dig themselves
into the sand,
301
00:21:36,169 --> 00:21:37,713
out of harm's way.
302
00:21:38,338 --> 00:21:45,262
♪ ♪
303
00:21:45,762 --> 00:21:48,557
All that's left
is an indentation.
304
00:21:49,516 --> 00:21:51,977
You'd never know
they were there.
305
00:21:53,103 --> 00:21:54,688
It's a clever trick,
306
00:21:56,606 --> 00:21:59,359
but the bears are
on their trail.
307
00:22:00,360 --> 00:22:07,284
♪ ♪
308
00:22:12,289 --> 00:22:15,167
To pinpoint exactly
where the clams are,
309
00:22:15,250 --> 00:22:19,338
the bears rely on their
extraordinary sense of smell.
310
00:22:19,588 --> 00:22:26,511
♪ ♪
311
00:22:27,471 --> 00:22:31,892
Razor clams dig deep enough
to avoid most predators,
312
00:22:32,392 --> 00:22:36,563
but they are no match for
a bear's four-inch claws.
313
00:22:37,064 --> 00:22:43,904
♪ ♪
314
00:22:44,071 --> 00:22:47,824
The beaches of Lake Clark
are a rich hunting ground.
315
00:22:49,659 --> 00:22:51,244
This protein-packed meal is
316
00:22:51,328 --> 00:22:54,956
three times more nutritious
than vegetation.
317
00:22:58,877 --> 00:23:02,547
The cub watches closely
to learn how mom does it.
318
00:23:12,516 --> 00:23:14,309
He's starting to get
the hang of this.
319
00:23:19,648 --> 00:23:21,441
But here's a bit
of a challenge!
320
00:23:30,700 --> 00:23:32,994
That wasn't in
mom's training manual.
321
00:23:34,579 --> 00:23:36,498
The cub figures out how
to get the better
322
00:23:36,581 --> 00:23:39,334
of this nippy crab in the end.
323
00:23:40,252 --> 00:23:41,878
(groans)
324
00:23:41,962 --> 00:23:45,715
With bellies full of food,
it's time to play.
325
00:23:48,427 --> 00:23:49,928
Roughly translated as,
326
00:23:50,011 --> 00:23:51,805
"Let's annoy the heck
out of mom!"
327
00:23:52,806 --> 00:23:59,688
♪ ♪
328
00:24:06,570 --> 00:24:10,532
They kiss and make up,
with a loving bear hug.
329
00:24:10,615 --> 00:24:17,372
♪ ♪
330
00:24:17,456 --> 00:24:21,209
With the tide returning,
the bears head inland
331
00:24:22,752 --> 00:24:24,796
where the main course awaits.
332
00:24:26,715 --> 00:24:29,843
Leaving the clams to others
who are able to catch them
333
00:24:29,926 --> 00:24:31,761
from beneath the water.
334
00:24:39,895 --> 00:24:43,356
One of the smallest marine
mammals on the planet...
335
00:24:45,233 --> 00:24:47,110
the northern sea otter.
336
00:24:49,696 --> 00:24:51,323
Great news for the park.
337
00:24:52,991 --> 00:24:54,826
While still in
very low numbers,
338
00:24:54,910 --> 00:24:57,245
they could become
more frequent visitors
339
00:24:57,329 --> 00:24:59,164
to this rugged coastline.
340
00:25:00,916 --> 00:25:03,543
They, too, are fans
of these clams,
341
00:25:05,837 --> 00:25:08,548
diving down to the seabed
to hunt for them.
342
00:25:11,426 --> 00:25:13,553
While some dive for themselves,
343
00:25:14,513 --> 00:25:16,973
others are diving for two.
344
00:25:18,433 --> 00:25:20,936
This pup is two weeks old.
345
00:25:21,061 --> 00:25:25,690
♪ ♪
346
00:25:25,774 --> 00:25:29,361
The waters here are just
a few degrees above freezing.
347
00:25:30,570 --> 00:25:34,032
So, mom keeps him suspended
out of the water,
348
00:25:34,115 --> 00:25:36,117
cuddling him to keep him warm.
349
00:25:36,868 --> 00:25:43,833
♪ ♪
350
00:25:44,668 --> 00:25:47,754
Otters need to eat a quarter
of their body weight in food
351
00:25:47,837 --> 00:25:50,340
every day just to survive.
352
00:25:55,428 --> 00:25:59,266
So how does she keep him warm
when she dives for food?
353
00:26:01,476 --> 00:26:03,937
By grooming, that's how.
354
00:26:04,020 --> 00:26:08,066
♪ ♪
355
00:26:08,149 --> 00:26:12,445
It looks fun and relaxing,
but there's a serious side.
356
00:26:14,614 --> 00:26:17,492
It traps air bubbles
against their skin,
357
00:26:17,576 --> 00:26:19,536
insulating them from the cold.
358
00:26:20,078 --> 00:26:24,833
♪ ♪
359
00:26:28,378 --> 00:26:30,839
Clams can be found
up to 200 feet deep
360
00:26:30,922 --> 00:26:32,966
off the coast of Lake Clark.
361
00:26:34,009 --> 00:26:35,760
But with such a young pup,
362
00:26:36,011 --> 00:26:39,306
mom makes shorter dives
in shallower waters.
363
00:26:40,682 --> 00:26:45,270
(birds squawking)
364
00:26:45,353 --> 00:26:48,481
With all that grooming,
he's keeping warm.
365
00:26:49,274 --> 00:26:55,113
♪ ♪
366
00:26:55,196 --> 00:26:56,740
Mom soon returns.
367
00:26:58,783 --> 00:27:02,120
Within a few minutes,
she'll be diving down again
368
00:27:02,203 --> 00:27:04,581
to feed her endless appetite.
369
00:27:05,040 --> 00:27:12,005
♪ ♪
370
00:27:13,214 --> 00:27:15,842
Further inland,
Lake Clark's National Park's
371
00:27:15,925 --> 00:27:19,721
meandering rivers are starting
to burst with life.
372
00:27:20,096 --> 00:27:26,978
♪ ♪
373
00:27:27,270 --> 00:27:29,481
There's something making
its way to the park
374
00:27:29,564 --> 00:27:31,441
in huge numbers...
375
00:27:34,569 --> 00:27:37,072
...that hungry animals
are waiting for,
376
00:27:39,240 --> 00:27:41,910
especially brown bears.
377
00:27:42,369 --> 00:27:47,791
♪ ♪
378
00:27:50,418 --> 00:27:57,217
♪ ♪
379
00:27:57,592 --> 00:27:59,260
NARRATOR: No animal
is more important
380
00:27:59,344 --> 00:28:01,554
to Lake Clark National Park...
381
00:28:01,888 --> 00:28:05,809
♪ ♪
382
00:28:05,892 --> 00:28:07,686
...than sockeye salmon.
383
00:28:08,186 --> 00:28:15,068
♪ ♪
384
00:28:15,402 --> 00:28:18,113
More than 40 species
of mammals and birds
385
00:28:18,196 --> 00:28:20,949
rely on the nutrition
the salmon provide.
386
00:28:21,700 --> 00:28:25,662
♪ ♪
387
00:28:25,745 --> 00:28:30,542
Right now, over 370,000 salmon
are arriving
388
00:28:30,625 --> 00:28:32,460
in the park's estuaries.
389
00:28:32,836 --> 00:28:35,839
♪ ♪
390
00:28:35,922 --> 00:28:38,091
Their vast numbers
are supported
391
00:28:38,174 --> 00:28:41,594
by the near pristine waters
of the park.
392
00:28:41,886 --> 00:28:48,810
♪ ♪
393
00:28:50,854 --> 00:28:54,607
It's one of the greatest
migrations on the planet.
394
00:28:55,024 --> 00:28:58,361
♪ ♪
395
00:28:58,445 --> 00:29:01,156
The salmon surge upstream
with one aim:
396
00:29:02,574 --> 00:29:03,783
to breed.
397
00:29:06,953 --> 00:29:09,164
This annual migration of salmon
398
00:29:09,247 --> 00:29:11,499
is a symbolic marker
in the calendar
399
00:29:11,583 --> 00:29:13,668
of the people who
traditionally live
400
00:29:13,752 --> 00:29:15,837
in Lake Clark National Park...
401
00:29:16,463 --> 00:29:20,759
♪ ♪
402
00:29:20,842 --> 00:29:22,385
The Dena'ina.
403
00:29:23,511 --> 00:29:26,639
They have been in Lake Clark
for thousands of years.
404
00:29:27,015 --> 00:29:31,603
♪ ♪
405
00:29:31,686 --> 00:29:35,982
Salmon are one very important
piece of a larger tradition
406
00:29:36,065 --> 00:29:38,985
of living with and
caring for the land.
407
00:29:42,781 --> 00:29:46,534
Ruth Miller was raised
in the Dena'ina homelands.
408
00:29:47,118 --> 00:29:52,123
♪ ♪
409
00:29:52,207 --> 00:29:54,459
RUTH MILLER:
This is my people's land.
410
00:29:54,959 --> 00:29:59,088
We call it "Qizhjeh Vena,"
the place where people gather.
411
00:29:59,756 --> 00:30:03,301
♪ ♪
412
00:30:03,384 --> 00:30:05,345
It's where my ancestors
are buried,
413
00:30:05,428 --> 00:30:07,514
and it's where I feel
at my happiest.
414
00:30:10,099 --> 00:30:13,186
Growing up in my territory
gave me access to the forest,
415
00:30:13,269 --> 00:30:15,188
the mountains, and the water.
416
00:30:15,438 --> 00:30:22,111
♪ ♪
417
00:30:22,195 --> 00:30:25,281
Native people, to this day,
live off the land.
418
00:30:25,907 --> 00:30:30,119
♪ ♪
419
00:30:30,203 --> 00:30:31,996
We trust in the ripening
of the berries
420
00:30:32,080 --> 00:30:33,790
and the freezing of the ice.
421
00:30:34,666 --> 00:30:37,544
We depend on the timing
of the salmon runs
422
00:30:37,627 --> 00:30:39,712
to our bays and to our rivers.
423
00:30:40,171 --> 00:30:47,095
♪ ♪
424
00:30:49,848 --> 00:30:53,017
My people maintain
a deep spiritual connection
425
00:30:53,101 --> 00:30:54,435
to this place.
426
00:30:55,270 --> 00:31:00,191
(birds calling)
427
00:31:03,778 --> 00:31:06,739
NARRATOR: Ruth carries out
a salmon ceremony,
428
00:31:07,699 --> 00:31:10,869
making an offering of the bones
from last year's salmon
429
00:31:10,994 --> 00:31:14,455
to help the fish recognize
their pathways home.
430
00:31:15,582 --> 00:31:21,796
(speaking native language)
431
00:31:21,880 --> 00:31:24,215
RUTH: To live sustainably
with the land
432
00:31:24,465 --> 00:31:28,428
means practicing gratitude
and giving more than you take.
433
00:31:29,554 --> 00:31:36,311
(singing in native language)
434
00:31:51,868 --> 00:31:54,871
♪ ♪
435
00:31:54,954 --> 00:31:57,123
NARRATOR: The Dena'ina
way of life
436
00:31:57,206 --> 00:31:59,709
is a timely reminder to us all
437
00:32:00,418 --> 00:32:02,962
that we're not separate
from nature,
438
00:32:04,339 --> 00:32:05,798
but part of it.
439
00:32:06,257 --> 00:32:10,762
♪ ♪
440
00:32:10,845 --> 00:32:13,806
And nature thrives
throughout the park.
441
00:32:14,849 --> 00:32:16,434
From the largest scale...
442
00:32:19,145 --> 00:32:20,605
to the smallest,
443
00:32:22,941 --> 00:32:26,736
right beneath the feet of
the adventurous few visitors
444
00:32:26,819 --> 00:32:28,821
to Lake Clark National Park.
445
00:32:31,783 --> 00:32:34,535
Hidden amongst the moss
of the forest floor,
446
00:32:36,037 --> 00:32:37,622
little land mines!
447
00:32:38,581 --> 00:32:42,293
♪ ♪
448
00:32:42,377 --> 00:32:44,170
Round-leaved sundews.
449
00:32:45,922 --> 00:32:47,590
Small in size,
450
00:32:48,633 --> 00:32:50,885
but packed with attitude.
451
00:32:52,720 --> 00:32:55,306
This crafty carnivorous plant
452
00:32:55,515 --> 00:32:58,476
has a clever way
to lure its prey.
453
00:32:58,977 --> 00:33:03,398
♪ ♪
454
00:33:03,481 --> 00:33:08,987
First up in its arsenal
of weaponry: nectar glands.
455
00:33:09,153 --> 00:33:11,656
♪ ♪
456
00:33:11,739 --> 00:33:15,201
These glistening droplets
entice passing prey
457
00:33:15,284 --> 00:33:17,161
with the promise of water.
458
00:33:19,414 --> 00:33:24,210
But instead, they're met
with a sticky surprise.
459
00:33:28,673 --> 00:33:30,508
NARRATOR: The trap is set.
460
00:33:33,636 --> 00:33:36,180
And when a fly gets stuck
in the sundew,
461
00:33:36,639 --> 00:33:39,976
the plant deploys
its second weapon.
462
00:33:41,561 --> 00:33:43,980
Tentacles slowly curl inward,
463
00:33:45,398 --> 00:33:47,275
engulfing its victim.
464
00:33:47,942 --> 00:33:52,947
♪ ♪
465
00:33:53,031 --> 00:33:56,034
Those water-like droplets
contain enzymes,
466
00:33:56,659 --> 00:33:58,786
which quickly break down
the insect,
467
00:33:58,995 --> 00:34:01,372
making it easier to digest.
468
00:34:01,664 --> 00:34:08,463
♪ ♪
469
00:34:08,629 --> 00:34:11,466
But the plant doesn't always
have its own way.
470
00:34:14,510 --> 00:34:17,680
This plucky ant is putting up
quite a fight.
471
00:34:18,514 --> 00:34:23,144
♪ ♪
472
00:34:23,227 --> 00:34:25,730
Now only trapped
by a single thread,
473
00:34:28,024 --> 00:34:31,903
he manages to free himself
and escape.
474
00:34:32,236 --> 00:34:37,241
♪ ♪
475
00:34:37,325 --> 00:34:41,204
The world of Lake Clark
National Park underfoot
476
00:34:41,621 --> 00:34:42,997
is full of drama.
477
00:34:51,839 --> 00:34:53,800
At the higher elevations...
478
00:34:56,886 --> 00:34:59,305
a more rugged
landscape emerges.
479
00:35:03,351 --> 00:35:05,311
This is alpine tundra.
480
00:35:08,981 --> 00:35:12,276
A treeless zone,
at over 4,000 feet,
481
00:35:12,652 --> 00:35:15,238
it's buried under snow
for most of the year.
482
00:35:19,534 --> 00:35:21,202
In this remote corner,
483
00:35:22,453 --> 00:35:24,705
only the hardiest survive.
484
00:35:30,711 --> 00:35:33,214
Even in summer,
temperatures are low,
485
00:35:33,297 --> 00:35:35,675
and the growing season
is short.
486
00:35:38,094 --> 00:35:39,804
Yet it provides enough
487
00:35:41,556 --> 00:35:43,474
for arctic ground squirrels.
488
00:35:44,767 --> 00:35:51,691
♪ ♪
489
00:35:55,278 --> 00:35:57,613
They hold the record for
the longest hibernation
490
00:35:57,697 --> 00:36:00,032
in North America,
at eight months.
491
00:36:03,578 --> 00:36:05,955
They're on the same mission
as the bears,
492
00:36:06,038 --> 00:36:08,166
to put on enough weight
for winter,
493
00:36:11,127 --> 00:36:15,047
but in even less time--
just four months.
494
00:36:15,256 --> 00:36:19,010
♪ ♪
495
00:36:19,093 --> 00:36:24,473
And so they have no choice but
to be hardcore, all the time.
496
00:36:24,682 --> 00:36:29,103
♪ ♪
497
00:36:29,187 --> 00:36:31,689
Life is hectic.
498
00:36:31,772 --> 00:36:35,484
♪ ♪
499
00:36:35,568 --> 00:36:38,446
First, they need to eat
as much as possible.
500
00:36:38,988 --> 00:36:44,327
♪ ♪
501
00:36:44,410 --> 00:36:48,581
And then, gather plenty of
grass to take to their dens.
502
00:36:48,956 --> 00:36:51,417
♪ ♪
503
00:36:51,500 --> 00:36:56,005
(squeaking)
504
00:36:56,088 --> 00:36:59,717
So that when temperatures
plummet to minus 40 in winter,
505
00:37:00,635 --> 00:37:04,931
they have a cozy nest
to help keep warm.
506
00:37:05,389 --> 00:37:08,768
♪ ♪
507
00:37:13,064 --> 00:37:15,191
Equally as busy are the salmon.
508
00:37:15,524 --> 00:37:19,987
♪ ♪
509
00:37:20,071 --> 00:37:22,406
They surge toward
their spawning grounds,
510
00:37:22,490 --> 00:37:26,327
further up the park's rivers,
with laser-like intent.
511
00:37:26,953 --> 00:37:33,125
♪ ♪
512
00:37:33,209 --> 00:37:36,254
Just a month ago,
the salmon were silver.
513
00:37:38,214 --> 00:37:41,634
But an incredible color
transformation has happened.
514
00:37:44,178 --> 00:37:45,846
No longer eating
to save energy,
515
00:37:45,930 --> 00:37:49,058
they absorb their silvery
scales for nutrition.
516
00:37:49,600 --> 00:37:53,271
♪ ♪
517
00:37:53,354 --> 00:37:55,648
Revealing the stunning
red pigment
518
00:37:55,731 --> 00:37:57,400
in the flesh underneath.
519
00:37:57,817 --> 00:38:03,197
♪ ♪
520
00:38:03,281 --> 00:38:06,409
This ultimate sacrifice
does have benefits:
521
00:38:08,077 --> 00:38:11,289
making the salmon more visible
to potential mates.
522
00:38:11,914 --> 00:38:18,754
♪ ♪
523
00:38:19,588 --> 00:38:21,632
(grunt)
524
00:38:21,716 --> 00:38:23,884
But it also makes them
more visible
525
00:38:23,968 --> 00:38:27,138
in the final stretch
to their breeding grounds.
526
00:38:33,519 --> 00:38:35,563
NARRATOR: For the salmon
who do make it,
527
00:38:35,771 --> 00:38:39,025
their final destinations
are the very creeks, streams
528
00:38:39,108 --> 00:38:42,236
and lakes of the park
where they were born.
529
00:38:43,321 --> 00:38:50,244
♪ ♪
530
00:38:50,328 --> 00:38:52,330
They have one final mission:
531
00:38:53,956 --> 00:38:55,041
to breed.
532
00:38:55,791 --> 00:39:02,673
♪ ♪
533
00:39:04,133 --> 00:39:06,302
Once a female finds
a good spot,
534
00:39:06,677 --> 00:39:08,387
she churns up the riverbed,
535
00:39:09,055 --> 00:39:11,223
creating a nest
of loose stones;
536
00:39:12,600 --> 00:39:16,228
an ideal hiding place
for her developing young.
537
00:39:19,648 --> 00:39:22,985
Nest ready,
the male comes to join.
538
00:39:23,402 --> 00:39:29,700
♪ ♪
539
00:39:29,784 --> 00:39:32,370
As she releases
her 5,000 eggs,
540
00:39:32,620 --> 00:39:35,373
he leaves a cloud of milt
on the nest.
541
00:39:35,581 --> 00:39:40,336
♪ ♪
542
00:39:40,419 --> 00:39:44,173
But all this activity
doesn't go unnoticed.
543
00:39:44,465 --> 00:39:47,551
♪ ♪
544
00:39:47,635 --> 00:39:49,678
The salmon's arrival
has enticed
545
00:39:49,762 --> 00:39:52,890
some of Lake Clark's
brown bears from the coast.
546
00:39:53,265 --> 00:39:58,270
♪ ♪
547
00:39:58,354 --> 00:40:01,607
This concentration of fish
is the main course
548
00:40:01,690 --> 00:40:04,193
that the bears
have been waiting for.
549
00:40:07,113 --> 00:40:10,991
They exchange the 24-hour
salad bar and clam snacks
550
00:40:11,909 --> 00:40:14,912
for a fish feast
that could last weeks.
551
00:40:15,413 --> 00:40:22,294
♪ ♪
552
00:40:25,798 --> 00:40:28,300
But salmon can be elusive.
553
00:40:28,384 --> 00:40:35,349
♪ ♪
554
00:41:03,419 --> 00:41:04,712
Each bear can consume
555
00:41:04,795 --> 00:41:09,258
a staggering 100,000 calories
every day.
556
00:41:20,936 --> 00:41:24,190
The salmon's lives
are not lost in vain.
557
00:41:24,982 --> 00:41:28,319
Even in death,
they keep on giving.
558
00:41:29,778 --> 00:41:32,031
The nutrients contained
in their bodies
559
00:41:32,114 --> 00:41:35,784
are now being transferred
from the sea to the land,
560
00:41:36,160 --> 00:41:39,872
fertilizing the soil
and promoting plant growth.
561
00:41:42,166 --> 00:41:44,210
The salmon that
escape the bears
562
00:41:44,293 --> 00:41:46,670
will still die
a week after spawning,
563
00:41:48,923 --> 00:41:51,759
enriching the streams,
lakes and rivers.
564
00:41:53,385 --> 00:41:56,847
(squawking)
565
00:41:56,972 --> 00:41:58,140
(growl)
566
00:41:58,224 --> 00:42:01,143
This mom and cub arrive
for the feast, too.
567
00:42:06,649 --> 00:42:09,735
She's wisely waited
until after spawning
568
00:42:09,818 --> 00:42:13,614
to get an easy meal of
dead salmon on the riverbed.
569
00:42:14,990 --> 00:42:18,035
♪ ♪
570
00:42:18,118 --> 00:42:21,497
Mom reaches down to pick one up
with her back legs.
571
00:42:23,791 --> 00:42:28,462
Careful now, some bears hate--
like really hate--
572
00:42:28,546 --> 00:42:30,339
getting their ears wet!
573
00:42:34,093 --> 00:42:35,302
Perfect.
574
00:42:41,141 --> 00:42:45,229
Mom has got herself and her cub
through the summer season.
575
00:42:46,313 --> 00:42:50,943
♪ ♪
576
00:42:51,026 --> 00:42:54,029
In doing so,
she secures her legacy
577
00:42:54,113 --> 00:42:56,240
in Lake Clark National Park...
578
00:42:56,323 --> 00:43:00,953
♪ ♪
579
00:43:01,036 --> 00:43:03,956
...where animals,
plants and people
580
00:43:04,039 --> 00:43:06,166
all coexist in harmony.
581
00:43:06,417 --> 00:43:09,712
♪ ♪
582
00:43:09,795 --> 00:43:13,382
A place seemingly
frozen in time.
583
00:43:13,465 --> 00:43:17,678
♪ ♪
584
00:43:17,761 --> 00:43:20,055
But all this could change.
585
00:43:21,348 --> 00:43:23,767
Alaska's weather is
warming faster
586
00:43:23,851 --> 00:43:26,186
than any other U.S. state,
587
00:43:27,354 --> 00:43:29,064
melting the glaciers
588
00:43:29,690 --> 00:43:33,193
and threatening to upset
the rhythm of life here.
589
00:43:33,569 --> 00:43:35,654
♪ ♪
590
00:43:35,821 --> 00:43:38,157
It's a reminder that
we need to protect
591
00:43:38,240 --> 00:43:42,328
America's National Parks
for all our futures.
592
00:43:44,538 --> 00:43:47,416
If all goes well,
in a few years,
593
00:43:47,583 --> 00:43:50,419
it will be the cub's turn
to raise a family
594
00:43:50,961 --> 00:43:55,049
in one of the last
great American wild landscapes,
595
00:43:56,091 --> 00:43:59,011
Lake Clark National Park.40491
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