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Living in the snow
tests animals to the limit.
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00:00:07,100 --> 00:00:09,700
Our spy creatures
are on a mission...
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00:00:12,180 --> 00:00:16,460
..to understand how animals
survive in nature's freezer...
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00:00:18,060 --> 00:00:20,100
..how they find love...
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00:00:22,140 --> 00:00:23,940
..care for young...
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00:00:26,620 --> 00:00:28,220
..use their intelligence.
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00:00:29,740 --> 00:00:31,700
..and even have fun.
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00:00:33,580 --> 00:00:36,740
Our spy cams go
where few have dared,
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00:00:36,740 --> 00:00:38,620
to discover how animals
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00:00:38,620 --> 00:00:41,220
breed and thrive
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00:00:41,220 --> 00:00:44,460
in some of the snowiest places
on Earth.
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00:00:52,540 --> 00:00:57,300
What seems to us like a magical
winter wonderland is very different
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00:00:57,300 --> 00:00:59,500
for those who live inside it.
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00:01:00,740 --> 00:01:04,780
And the snows of Alaska can bring
extreme challenges.
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00:01:06,340 --> 00:01:09,260
But one animal
seems to relish the cold.
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The sea otter.
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00:01:15,780 --> 00:01:18,820
To discover how they cope
with the ice and snow,
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they have a new companion -
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00:01:21,100 --> 00:01:23,260
Spy Otter.
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00:01:32,620 --> 00:01:35,060
Its subjects are notoriously shy.
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00:01:57,340 --> 00:02:00,460
Fortunately, there's always one
prepared to break the ice.
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00:02:02,660 --> 00:02:06,340
A male in his prime always checks
out new arrivals.
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00:02:08,860 --> 00:02:11,580
He keeps an eye on all the females.
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00:02:14,500 --> 00:02:16,900
Spy Otter seems to
be going down well.
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00:02:20,140 --> 00:02:24,420
First introductions over, Spy Otter
searches for what he really came
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00:02:24,420 --> 00:02:25,860
to film...
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00:02:27,460 --> 00:02:29,740
..a mother with a newborn baby.
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00:02:32,540 --> 00:02:37,860
Despite the bitter cold, sea otters
can give birth midwinter.
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00:02:42,620 --> 00:02:47,980
Her baby is cocooned in a downy
duvet - the densest fur on Earth.
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00:02:49,500 --> 00:02:53,300
She constantly grooms and blows
in air to keep him warm and snug.
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Spy Otter will follow
the sea otters' story
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00:02:59,220 --> 00:03:00,380
until the ice melts
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and the babies face independence.
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For now, she must leave him floating
like a ball of fluff
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00:03:19,060 --> 00:03:21,020
whenever she needs to feed.
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00:03:27,580 --> 00:03:30,780
She's found a clam -
a local delicacy...
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..and uses a stone as an anvil
to break it open.
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00:03:41,620 --> 00:03:45,140
It's a technique her baby must
ultimately master.
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00:03:47,980 --> 00:03:53,140
To stay warm, otters haul out to
dry their fur at every opportunity.
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00:03:58,860 --> 00:04:03,740
But with some weighing 45kg,
there's only so much
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00:04:03,740 --> 00:04:05,380
the ice can take.
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00:04:14,700 --> 00:04:18,500
In Alaska,
the weather changes rapidly -
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00:04:18,500 --> 00:04:20,820
a dangerous time for a mother
and baby.
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While she tries to cope,
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00:04:29,740 --> 00:04:32,540
those with fewer responsibilities
take it easy.
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00:04:47,220 --> 00:04:51,380
Otters can eat a quarter of their
weight in food each day,
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00:04:51,380 --> 00:04:54,900
but even that's not enough
for a nursing mother.
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She must find a meal,
whatever the weather.
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00:05:06,660 --> 00:05:10,380
And with the sea freezing,
she can't leave him in the water.
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00:05:24,380 --> 00:05:27,620
With her baby safe on a raft
of ice, she heads
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to her favourite fishing spot.
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00:05:38,500 --> 00:05:41,900
Despite the cold, there's plenty
of seafood to be found.
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Her pup should be safe where
she left him.
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But what baby can ever stay still?
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00:06:15,180 --> 00:06:17,500
..and as the temperatures drop,
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the sea starts to freeze.
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His mother must find him fast.
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00:06:32,220 --> 00:06:34,540
But he isn't where she left him.
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00:06:40,220 --> 00:06:43,780
As the slush turns to ice,
the pup is struggling.
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00:06:51,220 --> 00:06:53,500
All he can do is call for help.
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00:06:53,500 --> 00:06:56,340
PUP SQUEAKS
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00:07:01,060 --> 00:07:03,820
But his cries are lost
in the blizzard.
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Just in time.
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00:07:51,060 --> 00:07:53,700
Now for some tender loving care.
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And for his fur,
a thorough blow-dry.
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00:08:07,980 --> 00:08:11,260
They may have the best
fur coats in the world...
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00:08:14,420 --> 00:08:18,260
..but even they struggle
in Alaska's deep midwinter.
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00:08:21,580 --> 00:08:25,500
The Antarctic presents even greater
tests for new parents.
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00:08:26,980 --> 00:08:29,220
After two months at sea,
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00:08:29,220 --> 00:08:33,380
these emperor penguins are returning
to feed their young.
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00:08:33,380 --> 00:08:37,140
A penguin-cam joins them
as they near the colony.
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00:08:42,460 --> 00:08:45,180
For a bird more used to swimming,
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00:08:45,180 --> 00:08:47,100
every step is a struggle.
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00:08:47,100 --> 00:08:48,940
PENGUIN SQUAWKS
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SQUAWKING
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When the going gets tough,
tobogganing can be a better option.
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But here, nothing is easy.
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SQUAWKING
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00:09:22,460 --> 00:09:26,260
Somehow they crossed 50 miles
of sea ice to get here.
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00:09:29,380 --> 00:09:34,220
No other bird endures such hardship
to bring back food for their young.
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00:09:36,900 --> 00:09:41,620
While the mothers were fishing,
the fathers cared for their chicks.
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A preservative in her stomach keeps
fish as fresh as the day
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it was caught.
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00:09:53,740 --> 00:09:56,100
To brave so much
to feed these chicks
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00:09:56,100 --> 00:09:58,940
needs an unbreakable bond
between them.
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00:10:00,060 --> 00:10:04,300
This urge to care is driven
by a parenting hormone
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found in emperors at higher
concentrations than any other bird.
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Spy Emperor is proving popular
with penguins
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who haven't managed to breed.
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00:10:18,340 --> 00:10:22,180
With no chicks to care for,
they're looking for something to do.
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00:10:32,740 --> 00:10:35,580
They make the same journeys
as the other penguins...
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..and have a similar urge
to nurture.
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They'll take whatever is on offer.
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Anything new tweaks their interest.
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00:11:03,460 --> 00:11:05,020
Snowball Cam.
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00:11:07,180 --> 00:11:10,540
This technical marvel rolls
with no visible moving parts.
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00:11:12,900 --> 00:11:16,260
It even boasts a self-righting lens.
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00:11:19,460 --> 00:11:21,860
For birds without chicks to rear,
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it's an entertaining diversion.
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00:11:55,500 --> 00:11:59,460
However, Spy Emperor
has something even better.
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00:12:07,500 --> 00:12:11,100
Egg Cam -
just what they're looking for.
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Their caring nature means
it's soon in demand.
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SQUAWKING
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But there is something even
more desirable...
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PENGUINS CHATTER
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..a living, breathing chick.
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00:13:11,980 --> 00:13:13,300
It's a time when mothers
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00:13:13,300 --> 00:13:15,260
are teaching their chicks to walk.
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00:13:18,620 --> 00:13:20,540
PENGUIN SQUAWKS
And how not to.
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00:13:22,300 --> 00:13:24,780
It's easy for one to get separated.
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00:13:30,100 --> 00:13:33,860
Penguins can also lose their chicks
to bad weather.
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00:13:35,940 --> 00:13:40,020
These bereaved parents are
desperate to find a replacement...
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..and they don't care who it
belongs to.
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Their parenting hormone
is as strong as ever.
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CHIRPING AND CHATTERING
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He's in danger of being loved
to death.
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The real mother has to fight
off a rabble of kidnappers.
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Luck's on her side -
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propelled from the scrum,
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00:14:16,780 --> 00:14:19,140
she safely tucks him in her pouch.
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00:14:29,980 --> 00:14:34,700
In the Arctic winter, bringing up
babies can be just as challenging.
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To investigate,
Snow Cam goes undercover.
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00:14:48,860 --> 00:14:51,820
Polar bears wear
a double-layered fur coat.
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00:14:54,460 --> 00:14:59,020
Beneath the thick outer shagpile
is a thermal lining of denser fur.
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00:15:05,420 --> 00:15:08,980
But temperatures can reach
40 degrees below,
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so bears give birth in dens
beneath the snow.
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To film the moment they emerge,
Snow Cam has a companion.
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00:15:25,620 --> 00:15:28,500
Blizzard Cam can reach 40mph...
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00:15:31,220 --> 00:15:34,180
..but this mission requires waiting.
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00:15:39,660 --> 00:15:43,100
The dens are dug into
these snowy slopes.
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00:15:44,500 --> 00:15:47,100
The only clue to their presence
is a snowy mound.
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The remote cameras will be triggered
by the bears the moment they emerge.
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00:15:59,980 --> 00:16:02,780
But after two weeks of waiting,
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the weather puts paid to that idea.
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00:16:12,180 --> 00:16:13,900
Or does it?
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00:16:27,860 --> 00:16:31,780
The mother bear found the spy
camera as soon as she left the den.
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Her cub is three months old.
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They're all alone.
139
00:16:45,340 --> 00:16:48,460
The camerawork is completely
down to them.
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00:16:51,980 --> 00:16:54,220
A bit of reframing perhaps.
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00:16:54,220 --> 00:16:55,860
That's better.
142
00:17:12,100 --> 00:17:15,740
But a tracking shot -
that's really ambitious!
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00:17:27,180 --> 00:17:29,780
The mother was in the den
for six months
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and didn't eat the entire time.
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00:17:43,780 --> 00:17:46,860
Now she must find a meal
for her and her cub.
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00:17:52,340 --> 00:17:55,340
She heads to the sea ice
where seals can be found.
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00:18:10,580 --> 00:18:13,020
Blizzard Cam has beaten her to it.
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00:18:24,500 --> 00:18:27,540
A young male has just
caught a ringed seal.
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00:18:32,340 --> 00:18:34,580
He eats the blubber first.
150
00:18:34,580 --> 00:18:36,540
It's a nutritious delicacy.
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00:18:39,420 --> 00:18:42,780
To capture a different angle,
Blizzard Cam deploys
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the Snowball Cam.
153
00:18:56,700 --> 00:19:01,820
Seals live around the sea ice and
make up 95% of a polar bear's diet.
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00:19:05,220 --> 00:19:08,220
But before the family can taste
fresh meat,
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00:19:08,220 --> 00:19:10,580
they must leave the nursery slopes.
156
00:19:14,140 --> 00:19:17,820
She can smell the carcass
from 20 miles away,
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00:19:17,820 --> 00:19:19,900
but she must take care.
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00:19:19,900 --> 00:19:22,180
Male bears sometimes kill cubs.
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00:19:24,660 --> 00:19:26,660
This male has had his fill,
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00:19:26,660 --> 00:19:29,620
so he tries to conceal the remains
from other bears.
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00:19:45,180 --> 00:19:48,700
But the mother is still
on the scent trail.
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Despite the dangers,
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00:20:08,300 --> 00:20:12,060
it's easier for her to steal a meal
than hunt one down.
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She reached the food just in time.
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00:20:21,380 --> 00:20:23,380
WIND HOWLS
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00:20:23,380 --> 00:20:25,060
A blizzard is setting in.
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00:20:41,500 --> 00:20:43,700
No matter how well protected...
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..Arctic weather can test even
a polar bear.
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00:20:56,940 --> 00:20:59,620
But for animals less suited
to the cold,
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00:20:59,620 --> 00:21:03,540
high altitude and snowy weather
is just as challenging.
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00:21:04,900 --> 00:21:07,340
The mountains of Tasmania -
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home to a colony
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of Bennett's wallabies,
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an animal usually found
in warmer climes.
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00:21:17,140 --> 00:21:20,700
Up here,
snow is an occupational hazard,
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blanketing everything they eat.
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00:21:27,020 --> 00:21:30,340
They're joined by a new
alpine explorer.
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Spy Wallaby soon attracts interest
from a young male.
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Being accepted is vital for any spy.
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00:22:08,860 --> 00:22:13,940
Wallabies are browsers, and can find
food even under a covering of snow.
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00:22:24,460 --> 00:22:28,540
But when snow comes thick and fast,
it's a different matter.
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00:22:30,220 --> 00:22:33,260
His food is vanishing
before his eyes.
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00:22:40,340 --> 00:22:42,820
Time to head for lower ground.
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00:22:51,500 --> 00:22:53,460
But some are made of tougher stuff.
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A bare-nosed wombat,
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another marsupial.
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His strong claws
soon unearth hidden grass and roots.
188
00:23:19,900 --> 00:23:23,180
Even in the snow,
he still patrols his territory.
189
00:23:44,380 --> 00:23:49,020
Although he'll fight off males,
a female is always welcome.
190
00:23:54,460 --> 00:23:56,780
He tries the subtle approach...
191
00:24:12,540 --> 00:24:14,340
..but the signs aren't good.
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00:24:15,980 --> 00:24:17,780
WOMBAT HISSES
193
00:24:32,180 --> 00:24:37,940
The wombat's favourite technique
is to bite her backside...
194
00:24:42,540 --> 00:24:44,860
..a move rarely appreciated.
195
00:24:50,260 --> 00:24:54,220
Unsurprisingly, courtship
is often a long-winded affair.
196
00:24:59,700 --> 00:25:03,860
As the weather clears,
Spy Wallaby's new friend is back.
197
00:25:14,100 --> 00:25:17,060
He's at the age
when he's starting to be interested
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00:25:17,060 --> 00:25:18,620
in the opposite sex.
199
00:25:33,220 --> 00:25:35,900
Nuzzling is part of adult courtship.
200
00:25:40,820 --> 00:25:43,580
It seems like love
in a cold climate.
201
00:25:47,820 --> 00:25:52,100
To investigate the courtship
of the Alaskan sea otters,
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00:25:52,100 --> 00:25:54,340
a new spy creature is needed.
203
00:25:57,060 --> 00:26:01,180
Spy Bald Eagle deploys
the latest drone technology.
204
00:26:03,500 --> 00:26:06,580
It's disguised to blend in
with the locals...
205
00:26:13,460 --> 00:26:17,220
..and provide aerial
coverage of otter behaviour.
206
00:26:29,460 --> 00:26:31,020
Groups of female otters
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00:26:31,020 --> 00:26:32,100
are watched over
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00:26:32,100 --> 00:26:33,820
by a dominant male, looking
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00:26:33,820 --> 00:26:35,780
for a chance to mate.
210
00:26:37,820 --> 00:26:39,020
Those with young babies
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00:26:39,020 --> 00:26:40,460
are usually off-limits.
212
00:26:50,220 --> 00:26:54,260
But the male inspects them all,
hoping for an opportunity.
213
00:27:02,580 --> 00:27:04,940
He rarely takes no for an answer.
214
00:27:08,260 --> 00:27:12,140
Spy Otter captures something
remarkable -
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00:27:12,140 --> 00:27:14,980
the male tries to kidnap her baby!
216
00:27:14,980 --> 00:27:19,260
By keeping the baby hostage,
he might gain a chance to mate.
217
00:27:19,260 --> 00:27:24,500
The female is having none of it,
but rejection leads to frustration.
218
00:27:26,940 --> 00:27:31,220
As things heat up, Spy Eagle
swoops in for an aerial view.
219
00:27:33,860 --> 00:27:37,260
The male circles a mother
with a newborn.
220
00:27:39,140 --> 00:27:40,860
She pushes him away.
221
00:27:44,020 --> 00:27:46,260
But she's lost hold of her baby.
222
00:27:48,900 --> 00:27:52,540
She tries to rescue him,
but the male is back.
223
00:27:54,580 --> 00:27:56,620
He wants to kidnap her baby.
224
00:28:06,620 --> 00:28:08,380
The mother fights him off.
225
00:28:24,860 --> 00:28:26,900
She's finally got her baby back.
226
00:28:35,820 --> 00:28:38,260
This time there was no harm done.
227
00:28:48,620 --> 00:28:52,060
In the Arctic, males with a more
fearsome reputation
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00:28:52,060 --> 00:28:54,700
can show a surprisingly tender side.
229
00:28:58,180 --> 00:29:00,740
These courting polar bears
have been together
230
00:29:00,740 --> 00:29:02,420
for two passionate weeks.
231
00:29:06,860 --> 00:29:09,580
Blizzard Cam is finding out
how they've been getting on.
232
00:29:17,540 --> 00:29:20,500
The spycam causes hardly a stir.
233
00:29:22,620 --> 00:29:25,860
They have more important
things on their mind.
234
00:29:29,980 --> 00:29:34,020
For courtship to be successful,
they must mate many times.
235
00:29:38,580 --> 00:29:42,660
The bear equivalent of kissing
shows their affection...
236
00:29:44,500 --> 00:29:47,580
..and the female is in
a flirtatious mood.
237
00:29:50,380 --> 00:29:53,420
But after two weeks
of nonstop passion,
238
00:29:53,420 --> 00:29:56,740
the male is losing his enthusiasm.
239
00:30:01,540 --> 00:30:02,940
She tries again.
240
00:30:06,020 --> 00:30:07,620
A glimmer of interest...
241
00:30:10,820 --> 00:30:13,740
..or perhaps not.
242
00:30:15,540 --> 00:30:17,260
He's completely exhausted.
243
00:30:18,820 --> 00:30:21,020
Time for her to turn on the charm.
244
00:31:14,300 --> 00:31:16,300
It seems the magic is back.
245
00:31:21,980 --> 00:31:24,300
BEARS GRUNT
246
00:31:31,700 --> 00:31:35,180
Perhaps some things are
better left unfilmed.
247
00:31:39,020 --> 00:31:41,380
In the Southern Alps of New Zealand,
248
00:31:41,380 --> 00:31:43,100
they do courting differently.
249
00:31:44,260 --> 00:31:46,940
This is home to the world's
cleverest bird...
250
00:31:48,780 --> 00:31:52,220
..the kea -
the only alpine parrot.
251
00:31:54,500 --> 00:31:57,060
They are very similar
to their tropical cousins,
252
00:31:57,060 --> 00:31:58,540
so to survive in the snow,
253
00:31:58,540 --> 00:32:01,740
they have to rely
on their intelligence and curiosity.
254
00:32:03,740 --> 00:32:06,900
To discover
how they build relationships,
255
00:32:06,900 --> 00:32:09,700
they're joined by a new spy.
256
00:32:09,700 --> 00:32:11,340
KEA SCREECHES
257
00:32:13,500 --> 00:32:16,820
Keas love company but are choosy
258
00:32:16,820 --> 00:32:18,740
on who can join their gang.
259
00:32:25,460 --> 00:32:29,420
Keas have some of the most complex
calls of any parrot.
260
00:32:33,220 --> 00:32:36,540
To fit in, Spy Kea
tries to speak their language.
261
00:32:36,540 --> 00:32:39,140
SPY KEA SCREECHES
262
00:32:53,700 --> 00:32:55,860
He could have been a little
more impressed!
263
00:33:03,540 --> 00:33:06,580
Keas are born in early spring.
264
00:33:06,580 --> 00:33:08,380
By the time the winter snows arrive,
265
00:33:08,380 --> 00:33:12,060
they're the human equivalent
of teenagers.
266
00:33:12,060 --> 00:33:15,540
In these gatherings,
aptly known as a circus,
267
00:33:15,540 --> 00:33:18,140
keas court each other
and learn social skills.
268
00:33:24,460 --> 00:33:27,700
A clever mind also
likes to be entertained.
269
00:33:33,420 --> 00:33:36,460
And what better way
than making snowballs?
270
00:33:47,420 --> 00:33:49,940
Today they have a new,
improved version...
271
00:33:52,500 --> 00:33:54,740
..one with a hidden camera.
272
00:33:57,020 --> 00:34:01,420
Snowball Cam soon puts
their intelligence to the test.
273
00:34:22,620 --> 00:34:24,580
KEA CALLS
274
00:34:26,780 --> 00:34:29,940
Passing playthings is a way
of making friends...
275
00:34:32,140 --> 00:34:35,060
..and a sign
of advanced social skills.
276
00:34:47,700 --> 00:34:50,300
SCREECHING
277
00:34:50,300 --> 00:34:52,820
They love fighting.
278
00:34:54,020 --> 00:34:55,740
But it's all just for fun.
279
00:34:55,740 --> 00:34:58,220
WARBLING AND SCREECHING
280
00:35:01,380 --> 00:35:04,540
Both sexes join in,
and no-one gets hurt.
281
00:35:09,300 --> 00:35:12,740
Despite appearances,
it's a way to make friends.
282
00:36:05,780 --> 00:36:09,420
Through fun and games, they'll find
their perfect partner...
283
00:36:10,620 --> 00:36:13,660
..one that will remain
faithful for life.
284
00:36:17,300 --> 00:36:20,980
In Alaska, the otter pup is
preparing for the next stage
285
00:36:20,980 --> 00:36:22,380
in his development.
286
00:36:26,580 --> 00:36:28,260
He's learning to swim.
287
00:36:35,900 --> 00:36:37,780
Buoyant as a cork,
288
00:36:37,780 --> 00:36:39,460
he bobs around aimlessly.
289
00:36:51,020 --> 00:36:53,260
Then his confidence grows.
290
00:36:58,980 --> 00:37:01,420
Mother is here to guide him.
291
00:37:04,700 --> 00:37:07,300
She keeps just a few metres ahead...
292
00:37:10,180 --> 00:37:12,980
..then shows what
an otter can really do.
293
00:37:19,700 --> 00:37:23,620
As she dives, the air bubbles she
blew into her fur for insulation
294
00:37:23,620 --> 00:37:25,220
are squeezed away.
295
00:37:30,460 --> 00:37:33,100
She can hold her breath
for five minutes
296
00:37:33,100 --> 00:37:34,700
and dive 100 metres down.
297
00:37:37,540 --> 00:37:39,500
It's not so easy for her baby.
298
00:37:43,060 --> 00:37:45,580
He's losing his buoyant downy fur,
299
00:37:45,580 --> 00:37:47,980
but staying under
is still a struggle.
300
00:37:53,460 --> 00:37:55,940
He won't reach the seabed
for several weeks...
301
00:37:57,860 --> 00:38:00,020
..and danger lurks below.
302
00:38:17,180 --> 00:38:19,180
Killer whales.
303
00:38:24,300 --> 00:38:27,500
Their young use otter pups
for hunting practice.
304
00:38:30,780 --> 00:38:33,740
But an otter can also
face danger from above.
305
00:38:34,860 --> 00:38:38,220
Eagles are always on the lookout
for vulnerable prey.
306
00:38:40,220 --> 00:38:42,540
EAGLE SCREECHES
307
00:38:48,540 --> 00:38:52,500
A bobbing pup makes an easy target.
308
00:39:03,100 --> 00:39:05,300
The eagle just has to
pick his moment...
309
00:39:12,940 --> 00:39:15,460
..one when the pup is alone.
310
00:39:39,620 --> 00:39:42,060
He dives at 100mph.
311
00:39:52,700 --> 00:39:54,260
Saved by his mother.
312
00:40:00,060 --> 00:40:02,780
He's not ready to leave just yet.
313
00:40:13,580 --> 00:40:17,220
For polar bears, independence means
the start of a solitary life.
314
00:40:19,780 --> 00:40:23,900
The vastness of the Arctic means
they may travel hundreds of miles
315
00:40:23,900 --> 00:40:25,540
without meeting another bear.
316
00:40:35,420 --> 00:40:39,220
But Iceberg Cam has found a young
male homing in on the scent
317
00:40:39,220 --> 00:40:40,780
of other bears.
318
00:41:05,900 --> 00:41:08,460
Polar bears are incredible swimmers.
319
00:41:24,540 --> 00:41:28,620
They have been known to swim nonstop
for over 200 miles.
320
00:41:48,620 --> 00:41:52,500
He can smell a seal
that's been killed by another bear.
321
00:41:57,780 --> 00:42:00,220
There is little left to eat,
322
00:42:00,220 --> 00:42:02,420
but it's a rare chance
to socialise.
323
00:42:05,060 --> 00:42:07,420
BEARS GRUNT
324
00:42:10,140 --> 00:42:13,220
And for bears,
this means play fighting.
325
00:42:33,300 --> 00:42:36,460
Blizzard Cam soon attracts
a bear's attention.
326
00:42:44,100 --> 00:42:46,220
It's something new to play with.
327
00:42:53,260 --> 00:42:55,260
BEAR GRUNTS
328
00:43:06,020 --> 00:43:08,420
But polar bears play rough!
329
00:43:19,060 --> 00:43:22,260
And retreat is the better part
of valour.
330
00:43:28,580 --> 00:43:31,220
Fortunately,
Blizzard Cam has a decoy.
331
00:43:36,700 --> 00:43:41,060
Its spherical shape makes
Snowball Cam far tougher to crack...
332
00:43:43,940 --> 00:43:46,020
..although just as intriguing.
333
00:43:56,620 --> 00:43:59,020
As the bears return to fighting,
334
00:43:59,020 --> 00:44:01,060
Snowball Cam can roll at will.
335
00:44:04,540 --> 00:44:08,420
This is Bear Fight Club - a chance
to test their strength
336
00:44:08,420 --> 00:44:12,260
and practise moves that one day
they'll use in earnest.
337
00:44:18,220 --> 00:44:22,900
Snowball Cam is right
in the thick of it.
338
00:44:41,660 --> 00:44:44,940
Soon they'll be fighting
over females,
339
00:44:44,940 --> 00:44:47,460
then things will really get serious.
340
00:45:01,580 --> 00:45:05,460
Now they even have time
for a game of football.
341
00:45:29,820 --> 00:45:32,260
They should enjoy it while they can.
342
00:45:32,260 --> 00:45:34,420
Soon they will be rivals.
343
00:45:36,140 --> 00:45:38,220
It's the price of growing up.
344
00:45:40,620 --> 00:45:44,900
The hardest part of becoming
independent is leaving home.
345
00:45:44,900 --> 00:45:48,940
The emperor penguin chicks
are about to take the biggest step
346
00:45:48,940 --> 00:45:50,140
in their young lives.
347
00:45:52,580 --> 00:45:55,020
Left alone
by their once doting parents,
348
00:45:55,020 --> 00:45:57,660
they must leave their icy birthplace
349
00:45:57,660 --> 00:45:59,700
and make their way to the sea.
350
00:46:04,180 --> 00:46:08,460
Every test they face hones skills
they'll need later in life.
351
00:46:11,060 --> 00:46:14,260
But one challenge stops
them in their tracks...
352
00:46:16,500 --> 00:46:18,180
..a giant petrel.
353
00:46:22,700 --> 00:46:26,900
They try to flee, but running
isn't an emperor's strong point.
354
00:46:29,380 --> 00:46:31,940
A slip is all the petrel needs.
355
00:46:31,940 --> 00:46:33,900
CHIRPING
356
00:46:36,780 --> 00:46:39,820
The chick is grabbed
by his neck feathers...
357
00:46:41,340 --> 00:46:43,460
..but the down just falls away.
358
00:46:47,620 --> 00:46:51,700
They form a defensive circle and
prepare to stand their ground.
359
00:46:55,740 --> 00:46:59,340
Despite their chick-like appearance,
they are close to a metre tall.
360
00:47:01,300 --> 00:47:04,260
Quite a size,
even for a giant petrel.
361
00:47:06,940 --> 00:47:10,500
The chick towers to full height,
protecting those behind.
362
00:47:13,420 --> 00:47:15,620
His defiance buys time.
363
00:47:20,340 --> 00:47:22,580
It's a standoff.
364
00:47:27,420 --> 00:47:30,500
Then, as if from nowhere,
365
00:47:30,500 --> 00:47:33,580
an Adelie - the feistiest penguin
in the world.
366
00:47:37,780 --> 00:47:41,660
He fearlessly puts himself
between the chicks and the petrel.
367
00:47:44,940 --> 00:47:47,340
Even petrels don't mess
with Adelies.
368
00:47:55,420 --> 00:47:58,940
Their plucky rescuer
accompanies the chicks to the sea.
369
00:48:03,860 --> 00:48:07,740
Emperor Cam is there to see them
on their way.
370
00:48:17,020 --> 00:48:20,380
But entering the water
is a daunting prospect.
371
00:48:22,500 --> 00:48:25,500
Having an adult around
must be reassuring,
372
00:48:25,500 --> 00:48:27,180
even if it is a spy.
373
00:48:42,620 --> 00:48:45,980
Another Penguin Cam is also ready
to see them go.
374
00:48:48,660 --> 00:48:52,580
Instead, other penguins
start to arrive.
375
00:48:57,540 --> 00:49:01,620
More Adelies. Their rescuer
was just the frontrunner.
376
00:49:15,140 --> 00:49:17,380
It's the Adelies' turn to breed,
377
00:49:17,380 --> 00:49:20,380
and they don't want
the emperors around.
378
00:49:23,660 --> 00:49:26,660
So they offer some gentle
encouragement.
379
00:49:32,420 --> 00:49:34,180
SQUAWKING
380
00:50:11,140 --> 00:50:15,220
It will be four years before
the chicks return to breed.
381
00:50:25,060 --> 00:50:28,220
The new arrivals don't waste
any more time.
382
00:50:34,780 --> 00:50:39,620
They head to their summer breeding
grounds, and the cycle begins again.
383
00:50:46,540 --> 00:50:50,980
Spring is arriving in New Zealand,
and the keas are growing up.
384
00:50:53,060 --> 00:50:56,860
For them, adolescent life
is one of continual learning.
385
00:51:01,540 --> 00:51:04,980
Like teenagers,
they do everything together.
386
00:51:08,060 --> 00:51:10,660
And spring brings new opportunities.
387
00:51:14,500 --> 00:51:16,900
Meltwater creates a drinking pool.
388
00:51:24,700 --> 00:51:27,860
If you can find it,
it's a facility open to all.
389
00:51:30,980 --> 00:51:33,140
It helps to have friends
in the know.
390
00:51:34,860 --> 00:51:37,900
Spy Kea is now one of the gang.
391
00:51:41,780 --> 00:51:44,620
Though they still don't seem quite
sure what to make of him.
392
00:51:52,740 --> 00:51:55,980
It's more than a source
of fresh mineral water.
393
00:52:04,100 --> 00:52:05,540
It's a natural spa.
394
00:52:11,700 --> 00:52:14,660
Even brainiacs
like to relax sometimes.
395
00:52:34,180 --> 00:52:36,620
But it's not long before
they're exploring again.
396
00:52:41,900 --> 00:52:45,540
Anything new is irresistible
for a fertile mind.
397
00:52:50,340 --> 00:52:52,260
How hard can it be?
398
00:52:58,940 --> 00:53:02,500
So, this controls the head...
399
00:53:14,340 --> 00:53:16,020
..what about this one?
400
00:53:19,340 --> 00:53:21,100
SPY KEA CALLS
401
00:53:28,940 --> 00:53:31,940
If you're growing up in the snow,
402
00:53:31,940 --> 00:53:34,300
it certainly helps to be smart.
403
00:53:40,580 --> 00:53:45,060
It's also spring in Alaska,
and the snow is starting to melt.
404
00:53:50,020 --> 00:53:51,900
Pups born in a harsh winter
405
00:53:51,900 --> 00:53:53,580
now face independence.
406
00:53:58,060 --> 00:53:59,700
For the last five months,
407
00:53:59,700 --> 00:54:01,900
this pup has depended solely
408
00:54:01,900 --> 00:54:04,020
on his mother for survival.
409
00:54:09,660 --> 00:54:14,100
Together, they've dined off a
seafood platter of crabs and clams.
410
00:54:18,580 --> 00:54:22,420
But he's so used to the good life,
he's reluctant to fend for himself.
411
00:54:26,180 --> 00:54:28,500
Far easier to steal from Mum.
412
00:54:36,180 --> 00:54:39,380
But some shells are
just too tough to crack.
413
00:54:43,940 --> 00:54:46,220
In her final act of dedication,
414
00:54:46,220 --> 00:54:49,500
she must teach him to find
and break open his own food.
415
00:54:53,740 --> 00:54:56,140
She dredges the seabed
for a suitable stone...
416
00:55:07,900 --> 00:55:11,180
..and places it on her chest
to use as an anvil.
417
00:55:16,340 --> 00:55:18,860
Only a few mammals use tools,
418
00:55:18,860 --> 00:55:21,340
and it's something her pup
has to master.
419
00:55:38,380 --> 00:55:40,460
It's his turn to give it a go.
420
00:55:54,340 --> 00:55:55,660
But he seems to have chosen
421
00:55:55,660 --> 00:55:57,220
the biggest rock in the bay!
422
00:55:59,140 --> 00:56:01,420
It's a struggle just to lift it,
423
00:56:01,420 --> 00:56:03,380
let alone use it as a tool.
424
00:56:06,620 --> 00:56:08,420
His mother watches over him
425
00:56:08,420 --> 00:56:10,500
as he tries to break the clam...
426
00:56:17,820 --> 00:56:19,540
..then shows how it's done.
427
00:56:24,740 --> 00:56:26,540
He mimics her actions.
428
00:56:38,580 --> 00:56:41,180
Then, finally, he cracks it.
429
00:56:45,660 --> 00:56:47,060
With his mother's help,
430
00:56:47,060 --> 00:56:48,780
he's learned all the skills
431
00:56:48,780 --> 00:56:50,700
a young otter needs to survive.
432
00:56:52,340 --> 00:56:54,580
He's ready to face the world.
433
00:56:57,940 --> 00:57:02,020
Growing up and surviving
in the snow requires resilience...
434
00:57:05,060 --> 00:57:06,820
..intelligence...
435
00:57:11,020 --> 00:57:13,380
..curiosity...
PENGUINS SQUAWK
436
00:57:16,300 --> 00:57:18,140
..and sometimes a playful nature.
437
00:57:21,860 --> 00:57:26,220
But to film their lives tested
our spy cameras to the limit.
34148
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