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It's the end of a long arctic winter. | 0:00:08 | 0:00:11 | |
A mother polar bear emerges from her den deep beneath the snow. | 0:00:15 | 0:00:20 | |
She's endured months of freezing temperatures to give birth | 0:00:23 | 0:00:26 | |
to her cubs. | 0:00:26 | 0:00:28 | |
Ahead of them is the adventure of a lifetime. | 0:00:36 | 0:00:39 | |
To survive, the polar bear cubs must follow their mother | 0:00:43 | 0:00:47 | |
on an incredible 400 mile trek | 0:00:47 | 0:00:49 | |
to the edge of the North Pole's pack ice. | 0:00:49 | 0:00:53 | |
It's the greatest challenge of their young lives. | 0:00:53 | 0:00:58 | |
They'll encounter strange creatures... | 0:00:58 | 0:01:01 | |
..brave treacherous ice... | 0:01:04 | 0:01:06 | |
..perilous seas... | 0:01:08 | 0:01:09 | |
..and threatening males. | 0:01:11 | 0:01:12 | |
It's a journey full of surprises... | 0:01:15 | 0:01:17 | |
..as they learn to thrive in a frozen world. | 0:01:20 | 0:01:23 | |
This is a dramatized story based on the extraordinary | 0:01:26 | 0:01:29 | |
adventures of nature's Snow Bears. | 0:01:29 | 0:01:32 | |
High on the southern slopes of the mountains, | 0:01:41 | 0:01:44 | |
deep snowdrifts kept their den safe from winter storms. | 0:01:44 | 0:01:48 | |
The downside of their location is, well, getting down. | 0:01:50 | 0:01:54 | |
One cub seems fearless... | 0:01:57 | 0:01:59 | |
..his sister is a little less confident. | 0:02:07 | 0:02:10 | |
But to get down safely this cub must trust her mother. | 0:02:14 | 0:02:19 | |
Her reassurance goes a long way. | 0:02:23 | 0:02:25 | |
CUB CALLS | 0:02:25 | 0:02:27 | |
There are no nursery slopes when you are 1,000 feet up. | 0:02:36 | 0:02:39 | |
And with every step the slope becomes increasingly treacherous. | 0:02:45 | 0:02:50 | |
Tiny paws are no match for powdery snow. | 0:02:53 | 0:02:57 | |
The nervous cubs need some tough love. | 0:03:13 | 0:03:15 | |
However there is an easier way down... | 0:03:30 | 0:03:35 | |
..if they can just get the hang of it. | 0:03:40 | 0:03:44 | |
After seven months in the den, the soft fresh snow must be bliss. | 0:03:48 | 0:03:53 | |
MOTHER GRUNTS | 0:03:53 | 0:03:56 | |
As the cubs' confidence increases, so does the fun. | 0:03:56 | 0:04:00 | |
Halfway down, and the cubs are ready for a break. | 0:04:28 | 0:04:32 | |
Their mother's milk is almost a third fat - | 0:04:45 | 0:04:49 | |
high-energy fuel for their adventure ahead. | 0:04:49 | 0:04:52 | |
After months of winter darkness, | 0:05:01 | 0:05:04 | |
the sun's return to Svalbard marks a turning point. | 0:05:04 | 0:05:07 | |
For the bears, it means leaving their island. | 0:05:11 | 0:05:15 | |
When the ice melts in spring, the seals vanish with it, | 0:05:23 | 0:05:26 | |
so they must follow their prey north. | 0:05:26 | 0:05:29 | |
The first leg will be to walk 250 miles on the frozen sea | 0:05:33 | 0:05:38 | |
that hugs the coastline. | 0:05:38 | 0:05:39 | |
They'll pass the great glacial fjords, | 0:05:44 | 0:05:47 | |
before reaching the northern tip of the island. | 0:05:47 | 0:05:50 | |
Here they'll venture onto the floating sea ice to cover | 0:05:56 | 0:06:00 | |
the final 150 miles. | 0:06:00 | 0:06:02 | |
Their destination - the seal-rich edge of the pack ice | 0:06:10 | 0:06:13 | |
surrounding the North Pole. | 0:06:13 | 0:06:15 | |
But if they don't leave the island in time, the sea ice will be gone | 0:06:28 | 0:06:31 | |
and they could be marooned here for the summer. | 0:06:31 | 0:06:34 | |
With little to eat, the cubs would be unlikely to survive. | 0:06:37 | 0:06:42 | |
For mothers with cubs it's not just the melting ice that's a threat. | 0:06:46 | 0:06:50 | |
A large male. | 0:06:52 | 0:06:54 | |
He's searching for a mate | 0:07:05 | 0:07:08 | |
and they sometimes kill cubs so they can have a family of their own. | 0:07:08 | 0:07:12 | |
The cubs sense the danger. | 0:07:27 | 0:07:30 | |
Their mother blocks his path... | 0:07:38 | 0:07:39 | |
..but the male sees this as an invitation. | 0:07:43 | 0:07:46 | |
CUBS CALL | 0:07:46 | 0:07:49 | |
MALE GROWLS | 0:07:52 | 0:07:54 | |
But she has a plan - lead him as far from her cubs as possible. | 0:07:54 | 0:07:59 | |
On the slopes she's faster and more agile. | 0:08:10 | 0:08:13 | |
She's soon giving him the run-around. | 0:08:18 | 0:08:20 | |
CUBS CALL | 0:08:28 | 0:08:31 | |
MALE GROWLS | 0:08:36 | 0:08:39 | |
Courting males will stalk females for many weeks. | 0:08:46 | 0:08:50 | |
CUBS CALL | 0:08:52 | 0:08:55 | |
He shadows her closely. | 0:09:00 | 0:09:02 | |
Somehow she must give him the slip. | 0:09:04 | 0:09:07 | |
CUB CALLS | 0:09:09 | 0:09:12 | |
But he's not the only one looking for a mate. | 0:09:27 | 0:09:30 | |
Rivalry is always fierce among the males. | 0:09:38 | 0:09:42 | |
He won't give her up without a fight. | 0:09:42 | 0:09:46 | |
THEY GROWL | 0:09:49 | 0:09:52 | |
She takes her chance to sneak away. | 0:09:54 | 0:09:56 | |
Bears sometimes fight to the death over females. | 0:10:02 | 0:10:05 | |
Now to make good their escape. | 0:10:20 | 0:10:23 | |
But a quick getaway isn't easy. | 0:10:29 | 0:10:32 | |
One cub realises the urgency... | 0:10:42 | 0:10:44 | |
..but the other is struggling. | 0:10:49 | 0:10:50 | |
Luckily, there is an easier way. | 0:10:54 | 0:10:57 | |
Finally the rival is driven off. | 0:11:15 | 0:11:18 | |
The amorous male may have won the fight, but he's lost his prize. | 0:11:24 | 0:11:30 | |
The family can't afford any more hold-ups. | 0:11:39 | 0:11:42 | |
For the cubs, the journey north is full of new experiences. | 0:11:51 | 0:11:56 | |
Svalbard reindeer are the world's smallest, but that doesn't | 0:11:58 | 0:12:01 | |
make them easy to catch | 0:12:01 | 0:12:03 | |
so they're not on this mother's menu. | 0:12:03 | 0:12:06 | |
These little reindeer survived the winter by eating lichens | 0:12:10 | 0:12:13 | |
buried under the snow. | 0:12:13 | 0:12:16 | |
But there's no time to stop and stare - they're on a tight schedule. | 0:12:21 | 0:12:25 | |
Heading north, they hug the frozen coastline for speed. | 0:12:32 | 0:12:35 | |
Adult bears can travel 50 miles a day, | 0:12:52 | 0:12:55 | |
but for the cubs even ten miles is a struggle. | 0:12:55 | 0:12:59 | |
They are tired and can walk no more. | 0:13:01 | 0:13:04 | |
At three months old they need six rest-breaks a day. | 0:13:13 | 0:13:17 | |
The male has picked up their scent. | 0:13:40 | 0:13:42 | |
Polar bears will pursue females over vast distances. | 0:13:49 | 0:13:53 | |
And here, there's no covering your tracks. | 0:14:01 | 0:14:05 | |
They must get moving, | 0:14:10 | 0:14:12 | |
but their mother hasn't eaten for seven months | 0:14:12 | 0:14:15 | |
and is weak with hunger. | 0:14:15 | 0:14:17 | |
A ringed seal... | 0:14:24 | 0:14:25 | |
..a chance for the cubs to have a hunting lesson. | 0:14:27 | 0:14:31 | |
Stealth and complete silence are essential. | 0:14:45 | 0:14:51 | |
The cubs are trying their best to stay interested. | 0:14:55 | 0:14:59 | |
It doesn't last. | 0:15:09 | 0:15:10 | |
Time for a bit of discipline - | 0:15:27 | 0:15:30 | |
polar bear style. | 0:15:30 | 0:15:32 | |
CUB CALLS | 0:15:57 | 0:15:59 | |
Luckily, the sea ice is rich in seals. | 0:16:01 | 0:16:04 | |
A naive young pup. | 0:16:10 | 0:16:12 | |
He's unlikely to have ever seen a bear. | 0:16:12 | 0:16:14 | |
She treads gently, | 0:16:34 | 0:16:36 | |
not easy when you weigh almost a quarter of a ton. | 0:16:36 | 0:16:40 | |
The ice soon gives her away. | 0:16:41 | 0:16:44 | |
The mother seal tries to warn her pup. | 0:16:46 | 0:16:48 | |
The mother bear has other ideas. | 0:16:50 | 0:16:53 | |
The pup remains blissfully unaware. | 0:16:58 | 0:17:01 | |
A last desperate warning. | 0:17:03 | 0:17:05 | |
Message received. | 0:17:08 | 0:17:09 | |
A set back - | 0:17:21 | 0:17:23 | |
but she can't afford to give up. | 0:17:23 | 0:17:25 | |
Every 30 minutes, the seals must take a breath | 0:17:35 | 0:17:39 | |
and she'll be waiting. | 0:17:39 | 0:17:41 | |
This lesson is all about patience. | 0:17:41 | 0:17:44 | |
The female cub seems to be taking the lesson seriously. | 0:17:46 | 0:17:50 | |
One day she'll have her own young to feed. | 0:17:50 | 0:17:52 | |
Her brother prefers making snowballs. | 0:17:54 | 0:17:58 | |
At last, the waiting is over... | 0:18:15 | 0:18:18 | |
..but it's the wrong hole. | 0:18:23 | 0:18:24 | |
Even the experts can get it wrong. | 0:18:27 | 0:18:29 | |
Still hungry, they must keep hunting. | 0:18:33 | 0:18:36 | |
The bears aren't the only carnivores | 0:18:44 | 0:18:46 | |
trying to scratch a living on the island. | 0:18:46 | 0:18:49 | |
Arctic foxes get through the winter scavenging for scraps | 0:18:54 | 0:18:57 | |
and surviving on their food stores. | 0:18:57 | 0:18:59 | |
The warmer spring air means the good times are on their way. | 0:19:03 | 0:19:07 | |
Unlike the bears, they can't wait for the ice to melt. | 0:19:12 | 0:19:16 | |
The summer will bring out the nesting birds they prey on. | 0:19:16 | 0:19:19 | |
For the cubs, a break from walking is always welcome. | 0:19:25 | 0:19:30 | |
FOXES SQUEAL | 0:19:36 | 0:19:39 | |
But their mother senses a different opportunity. | 0:19:50 | 0:19:53 | |
One of the foxes is digging up his winter food stores. | 0:19:58 | 0:20:01 | |
Leftovers are his insurance policy against starvation. | 0:20:01 | 0:20:05 | |
But his secret is out. | 0:20:10 | 0:20:13 | |
In times of need, | 0:20:18 | 0:20:20 | |
polar bears aren't beneath stealing. | 0:20:20 | 0:20:22 | |
It's a welcome snack for the mother and the cubs' first taste of meat. | 0:20:30 | 0:20:35 | |
Foxes scavenge from polar bears, | 0:20:38 | 0:20:41 | |
perhaps it's only fair that they return the favour. | 0:20:41 | 0:20:44 | |
FOX CALLS | 0:20:47 | 0:20:50 | |
The Arctic fox spots another intruder. | 0:20:50 | 0:20:53 | |
The amorous male is back. | 0:20:57 | 0:20:59 | |
She must think quickly. | 0:21:04 | 0:21:05 | |
She can't outrun him on the flat coastal ice. | 0:21:08 | 0:21:11 | |
She must lead the cubs up and over the mountains. | 0:21:14 | 0:21:17 | |
On the steep slopes | 0:21:22 | 0:21:24 | |
the massive male will struggle to keep up with the more nimble family. | 0:21:24 | 0:21:28 | |
At twice the weight of the female, it's heavy going. | 0:21:32 | 0:21:36 | |
But with his prize in sight he is not giving up. | 0:21:57 | 0:22:01 | |
Nearing the summit, | 0:22:06 | 0:22:08 | |
the family have become trapped. | 0:22:08 | 0:22:09 | |
The male sees his chance. | 0:22:11 | 0:22:13 | |
The cubs are panicking. | 0:22:18 | 0:22:20 | |
CUB CALLS | 0:22:21 | 0:22:24 | |
To escape, they must somehow scale the wall of ice and snow. | 0:22:28 | 0:22:32 | |
But he's matching them step for step. | 0:22:45 | 0:22:48 | |
The stronger male cub is keeping up. | 0:22:51 | 0:22:53 | |
His sister struggles. | 0:22:54 | 0:22:57 | |
Their mother has paved the way, | 0:23:05 | 0:23:07 | |
now it's all down to her cubs. | 0:23:07 | 0:23:10 | |
With one last effort, the little one is up. | 0:23:52 | 0:23:56 | |
But the male is grappling with the steepest part. | 0:24:02 | 0:24:05 | |
Now SHE has the advantage. | 0:24:07 | 0:24:10 | |
Time to strike. | 0:24:11 | 0:24:14 | |
For the male, | 0:24:28 | 0:24:30 | |
there's no dignified way to do this. | 0:24:30 | 0:24:33 | |
HE GRUNTS | 0:24:52 | 0:24:54 | |
The family are safe, | 0:24:57 | 0:25:00 | |
but climbing over the mountain has cost them precious time and energy. | 0:25:00 | 0:25:04 | |
The mother can see that the ice is starting to melt, | 0:25:10 | 0:25:14 | |
and there's still a long way to the end of the island. | 0:25:14 | 0:25:16 | |
Best to take the quickest way down. | 0:25:22 | 0:25:24 | |
Looking for a meal, the family head for the sea ice. | 0:25:49 | 0:25:53 | |
But the conditions are different here. | 0:25:58 | 0:26:00 | |
The seals can be found hiding out in chambers under the snowdrifts. | 0:26:05 | 0:26:09 | |
But it's no problem - she can still smell a seal under | 0:26:14 | 0:26:17 | |
a metre of snow. | 0:26:17 | 0:26:19 | |
Even the Arctic fox can see she's onto something. | 0:26:26 | 0:26:29 | |
Once located, it's a case of smash and grab. | 0:26:32 | 0:26:36 | |
And for the cubs, it's watch and learn. | 0:26:41 | 0:26:44 | |
Getting it right demands precision and experience. | 0:26:49 | 0:26:52 | |
This is it - the big one. | 0:27:08 | 0:27:11 | |
Or maybe not. | 0:27:14 | 0:27:15 | |
But there's no shame in failure - | 0:27:29 | 0:27:31 | |
only one in ten hunts succeed. | 0:27:31 | 0:27:34 | |
Triumph at last. | 0:27:43 | 0:27:45 | |
These cubs are about to get their first taste of fresh seal. | 0:27:49 | 0:27:52 | |
It's her first proper meal for seven months | 0:27:59 | 0:28:02 | |
and it couldn't have come at a better time. | 0:28:02 | 0:28:06 | |
The tip of the island is still two weeks' walk away. | 0:28:06 | 0:28:09 | |
MOTHER GROWLS, FOX CALLS | 0:28:13 | 0:28:16 | |
The fox will have to wait his turn. | 0:28:17 | 0:28:20 | |
CUB GROWLS | 0:28:23 | 0:28:25 | |
With full bellies, the family make good progress. | 0:28:32 | 0:28:36 | |
But as the days warm, the cycle of melt and freeze | 0:28:37 | 0:28:41 | |
has turned the frozen sea into an ice rink. | 0:28:41 | 0:28:44 | |
Adult bears have rough, furry footpads that give a nonslip grip. | 0:28:53 | 0:28:58 | |
Cubs are not so well-equipped. | 0:28:58 | 0:29:01 | |
But on thin ice it's their mother who's in difficulty. | 0:29:09 | 0:29:13 | |
She tries to spread her weight... | 0:29:16 | 0:29:18 | |
..but ultimately something has to give. | 0:29:21 | 0:29:24 | |
The summer melt has arrived early. | 0:30:16 | 0:30:19 | |
And the state of the ice is a sign that time is running out. | 0:30:25 | 0:30:30 | |
With the sea ice vanishing, the polar bear family's chances | 0:30:41 | 0:30:44 | |
of getting safely off the land fade too. | 0:30:44 | 0:30:47 | |
But they have no choice - they must keep going. | 0:30:50 | 0:30:54 | |
Shattered by the pace of the journey, | 0:30:59 | 0:31:01 | |
the cubs need some time to recover. | 0:31:01 | 0:31:04 | |
Ahead is one of the most dangerous parts of the journey - | 0:31:25 | 0:31:29 | |
the glacial fjords. | 0:31:29 | 0:31:31 | |
It's a treacherous place in spring, | 0:31:49 | 0:31:51 | |
as active glaciers become increasingly unstable. | 0:31:51 | 0:31:54 | |
The mother looks for a safe route across, | 0:31:59 | 0:32:02 | |
while the cubs stay back. | 0:32:02 | 0:32:04 | |
But something's wrong. | 0:32:06 | 0:32:07 | |
RUMBLING | 0:32:09 | 0:32:12 | |
Thousands of tonnes of carving glacier | 0:32:41 | 0:32:45 | |
create a wall of water, pulverizing the sea ice. | 0:32:45 | 0:32:48 | |
Somehow she survived... | 0:33:17 | 0:33:18 | |
..but in the chaos she's lost her cubs. | 0:33:20 | 0:33:23 | |
She's picked up a scent. | 0:34:08 | 0:34:10 | |
And on an iceberg, signs of life. | 0:34:27 | 0:34:30 | |
Her cubs. | 0:34:32 | 0:34:33 | |
Undeterred, the family move on - | 0:35:11 | 0:35:14 | |
they need to get out of here. | 0:35:14 | 0:35:16 | |
With the glacial fjords behind them, they are nearing the tip | 0:35:26 | 0:35:29 | |
of the island. | 0:35:29 | 0:35:30 | |
They've made it, but exposed rocks are not a good sign. | 0:35:42 | 0:35:47 | |
The ice flows, which provide safe onward passage for polar bears, | 0:35:54 | 0:35:59 | |
have melted away. | 0:35:59 | 0:36:00 | |
The mother faces a dilemma - | 0:36:09 | 0:36:11 | |
drowning is the greatest risk her cubs face - | 0:36:11 | 0:36:15 | |
so do they swim, in the hope of reaching drifting ice, | 0:36:15 | 0:36:19 | |
or stay put and face starvation? | 0:36:19 | 0:36:22 | |
The arrival of the amorous male makes her decision easy. | 0:36:30 | 0:36:35 | |
She takes her chance, | 0:36:36 | 0:36:38 | |
hoping the cubs can make it to the nearest ice floes. | 0:36:38 | 0:36:41 | |
The crossing is a test of strength and character. | 0:36:50 | 0:36:52 | |
Adult bears can easily swim 60 miles nonstop, | 0:36:59 | 0:37:03 | |
but not the youngsters. | 0:37:03 | 0:37:05 | |
Swimming in their mother's wake means less resistance. | 0:37:08 | 0:37:12 | |
They save valuable energy. | 0:37:12 | 0:37:14 | |
But eventually the cubs have to rest. | 0:37:21 | 0:37:23 | |
Fortunately, salvation is on the horizon. | 0:37:25 | 0:37:28 | |
A small iceberg, cast adrift from the glacier. | 0:37:33 | 0:37:37 | |
But other bears have beaten them to it. | 0:37:47 | 0:37:50 | |
The ice is a good sign though - there will be more. | 0:38:11 | 0:38:15 | |
At last, an ice floe. | 0:38:22 | 0:38:25 | |
The gamble was worth it. | 0:38:25 | 0:38:26 | |
Time to dry off - | 0:38:49 | 0:38:51 | |
the polar bear way. | 0:38:51 | 0:38:53 | |
But it sounds like the family aren't alone here after all. | 0:39:38 | 0:39:42 | |
WATER SPLASHING | 0:39:42 | 0:39:44 | |
Perhaps it's a chance for a meal. | 0:39:49 | 0:39:52 | |
Instead the cubs get their first glimpse of one of | 0:39:52 | 0:39:55 | |
the Arctic's strangest creatures - | 0:39:55 | 0:39:58 | |
the narwhal. | 0:39:58 | 0:39:59 | |
These whales, with their strange tusk | 0:40:17 | 0:40:20 | |
shaped like a mythical unicorn's horn, are a good sign. | 0:40:20 | 0:40:24 | |
They are also heading for the fertile waters of the far north. | 0:40:30 | 0:40:34 | |
Narwhals gather where there's food in abundance. | 0:40:41 | 0:40:44 | |
And where there's fish, there's seals. | 0:40:47 | 0:40:49 | |
On the ice floes, | 0:40:57 | 0:40:58 | |
polar bears have to use a completely different hunting technique. | 0:40:58 | 0:41:02 | |
She must ambush them from the water. | 0:41:04 | 0:41:07 | |
Stealth is essential. | 0:41:16 | 0:41:20 | |
Pinpointing the seal requires deadly accuracy. | 0:41:31 | 0:41:35 | |
For most of the hunt, | 0:41:42 | 0:41:44 | |
her quarry will be out of sight. | 0:41:44 | 0:41:46 | |
She must close the distance without being spotted. | 0:41:54 | 0:41:57 | |
Submerging makes her invisible - | 0:42:04 | 0:42:07 | |
she can calculate the exact spot where the seal can be found. | 0:42:07 | 0:42:11 | |
The seal doesn't suspect a thing... | 0:42:20 | 0:42:23 | |
..except for one small problem... | 0:42:24 | 0:42:26 | |
..or rather two. | 0:42:28 | 0:42:31 | |
The mother wonders where it all went wrong... | 0:42:43 | 0:42:46 | |
..while the cubs reflect on what they've done. | 0:42:48 | 0:42:50 | |
As the summer takes hold, temperatures rise | 0:43:04 | 0:43:07 | |
and the melting drift ice breaks apart. | 0:43:07 | 0:43:10 | |
With the passing weeks, | 0:43:18 | 0:43:20 | |
the distances between rest stops are increasing... | 0:43:20 | 0:43:23 | |
..but the growing cubs are rising to the challenge. | 0:43:25 | 0:43:28 | |
Their mother has picked up a scent. | 0:43:34 | 0:43:37 | |
It's now a case of following her nose. | 0:44:03 | 0:44:06 | |
The scent trail is coming from the carcass of a fin whale. | 0:44:18 | 0:44:22 | |
Its natural death offers both food and rest for the family. | 0:44:24 | 0:44:28 | |
Energy-rich blubber will supercharge the cubs. | 0:44:45 | 0:44:49 | |
But this family are not the only bears heading north. | 0:44:59 | 0:45:03 | |
The male that was shadowing them has also picked up the scent. | 0:45:09 | 0:45:13 | |
He can swim twice as fast as the family | 0:45:19 | 0:45:21 | |
and is making good progress. | 0:45:21 | 0:45:23 | |
The mother knows the whale is a magnet | 0:45:32 | 0:45:35 | |
for other bears, so they must eat quickly. | 0:45:35 | 0:45:37 | |
He's found it...and the family too. | 0:45:42 | 0:45:46 | |
He may just be hungry... | 0:46:01 | 0:46:04 | |
but they can't take the risk. | 0:46:04 | 0:46:06 | |
The family continue their marathon swim. | 0:46:20 | 0:46:23 | |
Then something strange floats into view. | 0:46:27 | 0:46:30 | |
Irresistible to a curious cub. | 0:46:33 | 0:46:36 | |
It's a sleeping walrus... | 0:46:42 | 0:46:44 | |
WALRUS SNORES | 0:46:44 | 0:46:47 | |
..enjoying a little peace and quiet. | 0:46:47 | 0:46:50 | |
He's making the oddest noises. | 0:46:57 | 0:46:59 | |
WALRUS TRUMPETS | 0:46:59 | 0:47:02 | |
The rest of the herd are awake and alert. | 0:47:15 | 0:47:18 | |
Their calves are occasionally taken by polar bears. | 0:47:20 | 0:47:23 | |
But in the water the walruses feel safe. | 0:47:30 | 0:47:33 | |
They even come to investigate the cubs. | 0:47:33 | 0:47:36 | |
Walruses favour the rich waters of the far north - | 0:48:03 | 0:48:07 | |
the bears must be close to their goal. | 0:48:07 | 0:48:09 | |
One of the cubs is tired and tries to hitch a ride, | 0:48:19 | 0:48:24 | |
but he's far too big for that. | 0:48:24 | 0:48:26 | |
The ice floes are getting denser. | 0:48:33 | 0:48:36 | |
Hunting should be good here. | 0:48:36 | 0:48:37 | |
A snoozing seal. | 0:48:52 | 0:48:53 | |
And a look that says, | 0:48:55 | 0:48:57 | |
"Stay put and stay quiet." | 0:48:57 | 0:49:00 | |
Bearded seals weigh around a quarter of a ton. | 0:49:17 | 0:49:21 | |
If the mother can catch it, | 0:49:21 | 0:49:23 | |
this family will have enough energy to fuel their onward journey. | 0:49:23 | 0:49:27 | |
She's as silent as the drifting ice. | 0:49:58 | 0:50:02 | |
Her success feels like a turning point... | 0:50:51 | 0:50:54 | |
..and a taste of things to come. | 0:51:01 | 0:51:03 | |
But a white rainbow warns of a change in the weather. | 0:51:08 | 0:51:12 | |
Their destination is so close now, | 0:51:34 | 0:51:38 | |
but they can't continue. | 0:51:38 | 0:51:39 | |
They just have to sit it out. | 0:51:57 | 0:51:59 | |
As the skies clear, | 0:52:25 | 0:52:27 | |
it seems the storm has pushed their ice floe closer to the pack ice. | 0:52:27 | 0:52:31 | |
In between, dozens of seals play in the narrow channel. | 0:52:34 | 0:52:38 | |
It's this reliable food supply | 0:52:44 | 0:52:45 | |
which makes the edge of the pack ice a polar bear paradise. | 0:52:45 | 0:52:49 | |
One last swim and they'll be home and dry. | 0:52:54 | 0:52:58 | |
But a seal so close is irresistible. | 0:53:03 | 0:53:07 | |
SEAL SNORTS | 0:53:07 | 0:53:09 | |
Seals are superior swimmers | 0:53:16 | 0:53:19 | |
and delight in taunting young bears. | 0:53:19 | 0:53:22 | |
But the big male has also arrived. | 0:53:38 | 0:53:41 | |
He's been on the same journey for 400 miles. | 0:53:41 | 0:53:45 | |
The young cub realises he's in trouble. | 0:53:48 | 0:53:51 | |
It's rare for a male to find a cub alone. | 0:54:10 | 0:54:13 | |
Without his mother, he's defenceless. | 0:54:15 | 0:54:18 | |
She checks on her cubs... | 0:54:39 | 0:54:40 | |
..and realises one's missing. | 0:54:44 | 0:54:46 | |
She can't make out what's happening. | 0:54:56 | 0:54:59 | |
But what seems at first to be aggression | 0:55:07 | 0:55:10 | |
may just be curiosity. | 0:55:10 | 0:55:12 | |
Then, as quickly as it started, | 0:55:20 | 0:55:23 | |
the encounter is over. | 0:55:23 | 0:55:25 | |
The cub is shaken but unscathed. | 0:55:34 | 0:55:37 | |
Through the journey | 0:55:42 | 0:55:43 | |
the male's focus has shifted. | 0:55:43 | 0:55:46 | |
Now he's reached the pack ice, | 0:55:51 | 0:55:53 | |
his thoughts have turned to his stomach rather than the female. | 0:55:53 | 0:55:57 | |
They've made it. | 0:56:03 | 0:56:05 | |
The family can relax at last. | 0:56:05 | 0:56:08 | |
There may be bears everywhere | 0:56:11 | 0:56:13 | |
but there's nothing to fear. | 0:56:13 | 0:56:15 | |
Everyone has a full belly... | 0:56:22 | 0:56:24 | |
..and with food in abundance, no reason to fight or flee. | 0:56:29 | 0:56:33 | |
The family will spend the rest of the summer gorging on seals, | 0:56:42 | 0:56:46 | |
fattening up for the return trip | 0:56:46 | 0:56:48 | |
and for the cycle to start all over again. | 0:56:48 | 0:56:52 | |
Every year across the Arctic, | 0:56:54 | 0:56:56 | |
polar bears make extraordinary journeys | 0:56:56 | 0:56:58 | |
in their constant quest for food. | 0:56:58 | 0:57:01 | |
So life will be one endless adventure | 0:57:03 | 0:57:07 | |
for the Snow Bears. | 0:57:07 | 0:57:08 |