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Documentary, Alaska Earth's Frozen Kingdom S01E02
#Alaska #AlaskaEarthFrozen
#Alaska #AlaskaEarthFrozen
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AnimalsTranscript
00:01They call it America's last frontier.
00:08Half a million square miles of wilderness.
00:13This is Alaska.
00:18Home to some of the hardiest animals on the planet.
00:21Alaskan seasons run fast and furious.
00:39Opportunities are fleeting.
00:44For people as well as animals.
00:47Survival means making the most of nature's gold rush.
00:52Play it right and you'll hit the jackpot.
00:56Get it wrong and you could lose it all.
01:04It's not about your size.
01:06It's about your attitude.
01:09This land belongs to the bold.
01:13This is Alaska.
01:21The rising warmth of the spring sun has unlocked Alaska from the chill of winter.
01:39The land has thawed.
01:44And the rivers are flowing again.
01:47It has become a land of promise.
01:50Now summer must deliver on that promise.
01:57And it will have to be quick.
02:02Alaska's summer days are crazy long.
02:05But the season flies by.
02:18Alaska is so big, the seasons are staggered as they sweep up the state.
02:22It's in the far south-eastern corner where summer first reappears.
02:34Down here, wedged between the Pacific Ocean and the southern coast mountains,
02:39there's an enormous rainforest.
02:44This is Tongass, part of the biggest temperate rainforest in the world.
02:48In May, just as summer arrives, so does the tough little visitor.
03:00One that has made a 4,000-mile journey all the way from Mexico, confident that Alaska will deliver.
03:07A rufous hummingbird, the first sign of summer.
03:17She only weighs 4 grams, not much more than a penny coin.
03:28There are no other hummingbirds in Alaska, so it's worth the endurance flight to get here.
03:34There's less competition.
03:41She's come here to feed on Alaska's summer flowers.
03:47But she seems to have arrived too early.
03:54With 60 wing flaps a second, she's burning up the calories fast.
04:00She needs to refuel.
04:04Acer for acre, this forest has more organic matter in it than any other forest on Earth.
04:15There's plenty of food round here, if she's cunning enough to find it.
04:19Every day, the sun is staying in the sky an extra 10 minutes.
04:36And as the days get longer, the opportunities get bigger.
04:40At Katmai, along the southern coast, speculators have been coming down from the mountains.
04:54The grizzly bears.
04:55They sleep hard through the seven months of winter, but their summers are intense.
05:09Whilst the males work out who's boss, this female is more interested in finding something to eat.
05:25She's lost over a third of her body weight during winter.
05:28And right now, there's not much around except grass.
05:35A pumped up male could kill her cub.
05:41But it's worth the risk to come here.
05:43The bears of this coast are all here because a feast is about to be delivered from the ocean.
05:52Not that there's any sign of it yet.
06:09There is something else to eat on the beach.
06:12But it will only be available when the tide goes out.
06:15It's under their feet.
06:26They can smell it.
06:46A clam.
06:48It may not look like much, but this seafood is rich.
06:53And these six-mile-long mudflats are full of them.
07:16It's not as easy as it looks.
07:20All the while, the clams are escaping downwards through the sand.
07:26Sometimes they move faster than a little bear can dig.
07:29A 130-kilogram grizzly mum needs to find a couple of hundred clams a day to make it worth the effort.
07:48But it all helps to keep them going until the first real feast of summer arrives.
07:52The forest takes its cues from the strengthening sunlight.
08:05But it's still too early for the nectar-rich flowers.
08:11The hummingbird must eat every 20 minutes or run out of energy altogether.
08:16But she's been coming to this forest every summer, and she knows a few tricks.
08:29A distinctive tapping noise signals just what she's been looking for.
08:40A red-breasted sapsucker.
08:41He's carefully chiselling holes in the tree trunk, so the tree's sweet syrup leaks out.
08:55He'll be back later to feed, once the sap is flowing well.
09:02It's a chance the hummingbird has been waiting for.
09:05She just needs to get in, unnoticed, while the sapsucker is busy at another tree.
09:23It's all about timing.
09:25The sugary sap is starting to overflow.
09:36It's now or never.
09:40Her tongue curls, grasping the sap.
09:43Licking it in at nine sips a second.
09:46She can drink more than her body weight every day.
10:01Over the next three weeks, she'll be back regularly to pilfer this store.
10:08The Alaska summer is poised to release its bounty.
10:29At Katmai, the grizzly bears are getting restless.
10:32Their enterprising ways have kept them going.
10:45But there are only so many clams you can eat.
10:49They really need something more substantial.
10:53It's not just the bears that are waiting.
10:58Just off the southwest coast at Bristol Bay, Alaska's fishermen are also gathering.
11:09One and a half thousand boats are here in anticipation of the biggest fishing event of the summer.
11:15The return of the salmon.
11:22300 million salmon will swim towards Alaska's shores over the summer months.
11:31And these fishermen are right in their path.
11:35Alaska has the greatest runs of wild salmon in the world.
11:39And Bristol Bay is the world's most profitable salmon fishery of them all.
11:45Everyone fights to be in the hot spot.
11:50In this bay alone, they catch 30 million salmon in one season.
12:00The millions that escape the fishermen's nets push onwards to the coast.
12:11And for the grizzly bears, the wait is finally over.
12:15These fish are in prime condition.
12:28Well fed and muscled from two years at sea.
12:32The bears couldn't ask for a more bountiful feast.
12:37They gorge themselves on 40 kilograms a day.
12:47It's a race to feed up.
12:49Catmai has one of the densest grizzly bear populations in the world.
13:04But there's still plenty to go around.
13:08Catmai has one of the densest grizzly bear populations in the world.
13:13But there's still plenty to go around.
13:23Mums bring their cubs to the places they remember from their own youth.
13:28And where their own mothers first taught them to fish.
13:31The fish are so plentiful, they often won't even bother eating the whole thing.
13:55They just chew off the fattiest parts, the skin and the brain, and ignore the rest.
14:01However, Mum's half always seems to look tastier.
14:07Colossal runs of coho, sockeye, chum, pink and chinook salmon battle their way through shallows, past bears and into the river.
14:10The river's beyond.
14:11Colossal runs of coho, sockeye, chum, pink and chinook salmon battle their way through shallows, past bears and into the rivers beyond.
14:13Colossal runs of coho, sockeye, chum, pink and chinook salmon battle their way through shallows, past bears and into the rivers beyond.
14:20Colossal runs of coho, sockeye, chum, pink and chinook salmon battle their way through shallows, past bears and into the rivers beyond.
14:27Colossal runs of coho, sockeye, chum, pink and chinook salmon battle their way through shallows, past bears and into the rivers beyond.
14:37Colossal runs of coho, sockeye, chum, chum, chum, chum, chum, chum, chum, chum.
14:44Colossal runs of coho Look at Hawaii lake world週 at poho.
14:52Tens of millions of salmon migrate upstream.
14:55upstream.
15:06On and on they swim, deep into the heart of Alaska, following the scent of the river to
15:11find their way home.
15:18Of all the salmon in the world, the ones that travel furthest are the coho and chinook
15:23that migrate up the mighty Yukon River, 2,000 miles inland.
15:37But 800 miles in, they hit another obstacle, but something you would only find in Alaska.
15:53A fish wheel.
16:00It belongs to Lester Earhart, a native Alaskan who has lived on the Yukon his entire life.
16:07It's my home.
16:14That's my home, right here.
16:16I love it.
16:18Lester spent the winter building the wheel by hand.
16:21Now he's set it up in the river, just in time for the return of the salmon.
16:31Powered only by the current, the wheel turns to the rhythm of the river.
16:36As the salmon pass, they are scooped out of the water.
16:43Three million salmon travel up the Yukon during summer.
16:50The wheel only works on a river this full of salmon.
17:00All Lester has to do is collect the fish from the box.
17:03It's brilliantly simple.
17:05This young boy, about 14 years old, he came up and he looked in that box and saw all that
17:18fish.
17:19He said to me, you've got the right way to fish.
17:30This is the easy way to do things.
17:39Lester can catch hundreds of fish a day.
17:48Under the warm sun, the Alaskan summer has delivered a bonanza.
18:00The third of Alaska sits above the Arctic Circle.
18:04At the top of the world, it's the last place to feel the warmth of summer.
18:09But by June, this treeless land, the tundra, is tipped towards the sun, bathing it in 24-hour
18:17daylight.
18:23At Alaska's most northerly point, the sun rose at the beginning of May and won't set
18:27up until August.
18:31Summer in the Arctic becomes one endless day.
18:37But you can have too much of a good thing.
18:44It's now in these odd conditions that a snowy owl is raising her family.
18:55In the absence of any trees up here, she has to nest on the ground.
19:04She has three growing chicks and broods them 24 hours a day.
19:14As she can't leave them, Dad will provide.
19:16Music
19:28Music
19:32Music
19:36Music
19:40At first glance, the tundra doesn't seem to be exactly brimming with food.
19:54But it is, if you know where to look.
20:06Lemmings.
20:07Lemmings.
20:08They eat the grasses and shrubs that cover the landscape.
20:15With the unlimited food here, they breed fast, and within a few weeks, there can be millions
20:20of them.
20:21Exactly what Dad wants to see.
20:27He just needs to choose his victim.
20:33But one little lemming is not going to go very far with his growing family.
20:47These are North America's heaviest owls.
20:54Each chick alone can eat three lemmings a day.
21:00Hunting 24 hours a day, it doesn't take him long to satisfy everyone.
21:15But it's as if the glut of lemmings has tripped his brain.
21:21With no darkness to tell him when to rest, he just goes on and on.
21:36The chicks are full to bursting, but still the lemmings keep on piling up.
21:51Now his offerings aren't met with quite the same enthusiasm.
22:10By the summer solstice, the sun's unblinking gaze is most intense.
22:31Temperatures can climb over 30 degrees Celsius.
22:34That's 80 degrees warmer than it was just three months earlier.
22:41On the tundra, there's not a scrap of shade.
22:51This female caribou left her herd eight weeks ago, when she was due to carve.
22:59It's easier to hide from predators when there are just two of you.
23:23Her calf doubled in size in its first two weeks.
23:27And now it's strong enough to join the herd.
23:31It will spend the rest of its life on the move.
23:34Just one of 40,000.
23:48It's the middle of the night.
23:50The caribou have reached a lake.
24:00It's drawn in others from miles around.
24:05It's not just a place to drink.
24:11Buried in the mud at the bottom of the lake, there are mineral salts, calcium, magnesium and sodium vital for the caribou's health.
24:28They stir up the mud with their feet and drink the solution.
24:35It's fine, it's easy.
24:37Deep loads of dust, Saltzos is going down for the swimming pool.
24:39Utensity is going down for a bucket.
24:40It's more famous for the relief of the watermen.
24:41It's been spared, too.
24:42It's a leap event the formulas that will threeeded.
24:43Estimated makes it just a chord to reach out.
24:44An army is being mobilised.
24:45Just beneath the surface of the water, an army is being mobilised.
24:54An army is being mobilised.
25:01The tundra offers the perfect growing conditions for insect larvae.
25:07Shallow pools left over from melting ice warm up quickly in the summer sun.
25:17Just eight days after hatching, they start to emerge as adults.
25:24They start to destroy the lava water.
25:30We are in the spring of summer sun and cloud cars.
25:34The GIF is frozen.
25:38In the summer sun and the Tundra.
25:42The GIF.
25:45The GIF.
25:50The GIF.
25:51These are animals so well adapted that they haven't changed in 40 million years.
26:04Mosquitoes, literally trillions of them, and hungry for blood.
26:25They are so big and ferocious, the locals jokingly call them Alaska's state bird.
26:39It is said they can form swarms thick enough to asphyxiate a caribou.
26:45Each animal can lose up to half a pint of blood a day.
26:50It's enough to drive anyone mad.
26:55The only defence they have is to move.
27:21There will be no rest for this calf this summer.
27:25He has just joined the longest land mammal migration in the world.
27:36The herds are so big, they etch trails across the land.
27:43All over Alaska, caribou are on an endless quest, searching for fresh grazing, all the while being driven on by mosquitoes.
27:54Alaska has more caribou than people.
28:05Over 750,000 of them crisscross the state, covering thousands of miles in just a few months.
28:11In the far northwest, the caribou migration path skirts round one of the most unexpected landscapes on the planet.
28:30Here, 40 miles above the Arctic Circle, there's a sun-scorched dune field.
28:48At the height of summer, temperatures here can reach 34 degrees Celsius.
29:06It's about as hot as Alaska gets.
29:09The annual rainfall here is less than the Grand Canyon.
29:13The Coburg Dunes are a footprint of the glaciers that scraped across northern Alaska over hundreds of thousands of years.
29:31As the glaciers retreated, Arctic winds picked up the grains of eroded sediment they'd left behind.
29:54They whip them up into dunes, some more than 30 meters high.
30:01It's the largest active dune field in the whole United States.
30:05But it's shrinking.
30:08The vast banks of sand are slowly being infiltrated by trees.
30:13Eventually, these ancient dunes will vanish as the forests take them back.
30:19These black spruce forests dominate interior Alaska.
30:31They're desiccated by the heat and wind of summer and full of resin.
30:41It doesn't take much to set the whole thing alight.
30:46Every summer, around 500 major fires break out in Alaska's heart.
31:13Left unchecked, wildfire can rip through 300 square miles a day.
31:23There are very few roads across Alaska.
31:26There's only one way to control a big fire in this vast wilderness.
31:30From above.
31:32Zero till 48.
31:34It's a biggie.
31:35It takes a crack team of firefighters to do this job.
31:39They're drafted in from all across America and specially trained for fighting fires Alaskan style.
31:45Because this plane isn't going to land.
31:48Eight jumpers away.
31:49Three.
31:50Two.
31:51One.
31:52Jump.
31:53Jump.
31:54Jump.
31:55These are Alaska's smoke jumpers.
31:57All through the summer, they are the state's first line of defence.
31:58A wildfire burns at 800 degrees Celsius and can rage for weeks.
32:13A smoke jumpers job is to stop the fire before it gets too big to stop.
32:34All right, ready for the water.
32:35Turn that wire back on.
32:36Water coming to you.
32:37It's hard to see a blaze like this as anything other than a disaster.
33:02But Alaska's forests have been living with wildfire for hundreds of thousands of years.
33:10They've evolved not only to cope, but to benefit.
33:17As long as black spruce cones are not totally torched, the heat will open them up, letting
33:23their seeds drop into a bed of fertile ash.
33:30Sunlight brings a flush of new greenery to the forest floor.
33:43These plant pioneers now have full access to the endless summer sunshine.
33:51Fireweed is the first to stake its claim.
33:56It flowers through the hazy days, and Alaskans call it summer's timekeeper.
34:02The flowers unfold from the bottom of the plant.
34:06When they reach the top, that's the end of summer.
34:13It's a warning that despite the summer heat, the first snows of winter are only weeks away.
34:20High up in the Talkeetan mountains, there's one Alaskan who's already prepared.
34:33The collared pica.
34:36He's spent his entire summer hard at work.
34:46When the winter comes, his favourite grasses and sedges will be buried under the snow.
34:52But he's not worried.
34:57He's been saving food for the lean months ahead.
35:17Hidden among the rocks is his winter larder.
35:23He's carefully positioned it to catch the sun's rays, which dry and cure his supply.
35:34Half a metre wide and 30 centimetres deep, this haystack is his survival rations.
35:49He's chosen the contents meticulously.
35:55He's picked some toxic plants.
35:58These will decompose slower and keep food for eating fresher for longer.
36:17Like all Alaskans, he knows that winter preparations start early.
36:23And you have to make the most of summer's bounty.
36:28The sun is getting lower.
36:30Summer is drawing to a close.
36:39But rather than mourn its passing, Alaskans celebrate its generosity.
36:44The Alaska State Fair attracts more than a third of the entire population through its gates.
37:05For 12 days from the end of August to Labor Day, it's summer's final fling.
37:11And the star attraction?
37:18The giant vegetable competition.
37:21With 100 days of near-endless sunlight, you can grow record-breakers.
37:26Cabbages heavier than a large child, supersized broccoli, monster beans.
37:32It's this high art of growing giants that has kept Dale Marshall busy all summer long.
37:47Cabbages heavier than a large child.
37:50Well, we took our circumference, which was 190.
37:53So then we look on our chart here.
37:56It tells our estimated weight is 1,343 pounds.
38:00It could go heavier.
38:01It could go lighter.
38:02But even if it goes a little bit lighter, I got a little buffer there, you know.
38:05So I'm hoping that we have a new state record here.
38:08Dale has been harnessing the sun's power to nurture a giant.
38:17A giant that's been growing 10 kilograms a day and has tendrils more than 20 meters long.
38:25Dale has been growing a giant pumpkin.
38:30I don't really take any long vacations or go any out of state at all in the summertime here, you know.
38:43So you try to make your travel plans, you know, in the odd pumpkin season, so to speak.
38:49Dale has spent three hours every day, all summer, creating a monster.
39:03As the plant gets bigger, you've got to keep doing it more because there's more things to prune.
39:08After a while, it's just...
39:11It's big.
39:15But to find out if it's a world beater, he needs to take it to the state fair.
39:25Just getting it there is a feat in itself.
39:33Lifting a vegetable the weight of a small car takes more than a wheelbarrow.
39:38And we're done, we're separated.
39:55We're ready to roll.
39:56This is the most nerve-wracking time for Dale.
39:59Yeah, have it go up off the ground.
40:02This pumpkin represents hundreds of hours of work and thousands of hours of sunshine.
40:20Damaging it would mean disqualification.
40:25Oh, that looks beautiful.
40:27Touchdown!
40:28In the United States, we have a special award for the most beautiful orange pumpkin.
40:41At the fairground, everyone is gathering for the main event.
40:45Offer is a lot in the state fair as ours.
40:48And we wanted to make sure that beautiful orange pumpkin colour was recognised.
40:52Here we go.
40:53She said, put it on the scale.
40:54Let's see where this goes.
40:55Woo!
40:56All right, everybody.
40:58We've got this big fan.
40:59Here we go.
41:00All right, come on.
41:01Dale has come close before, but he's never broken the state record.
41:16That record stands at 1,287 pounds.
41:201,283.
41:21Is that what that is?
41:22That's what it is.
41:231,283 pounds.
41:24Three numbers.
41:25One, two, three.
41:26Four pounds off.
41:27The sun has set on this year's competition.
41:44year's competition but Dale doesn't waste time he collects the seeds and starts
41:58planning next year's pumpkin and cat night the grizzly bears are still
42:10catching fish a bear can eat a ton and a half of salmon over a good season it's what makes
42:19Alaskan bears the biggest in the world but the run is coming to an end by October all these bears
42:37will head for the hills and get ready to sleep out the winter thanks to the wealth of fish they'll go
42:46into their dens 90 kilograms heavier than they came out all across this super-sized state everyone has
42:58been cashing in on the abundance of summer good grazing has allowed this bull mousse to grow
43:11something enormous of his own something he hopes is going to get him noticed
43:18two meter wide antlers at their peak the bone was growing at two centimeters a day they're the
43:39fastest-growing organ in the natural world and during all this time they have been completely useless
43:57until now as the days get shorter and the sunlight weaker moose turn their mind to just one thing
44:12the annual rut young male upstarts test their strength against each other with their puny headgear
44:31hormones are raging for two weeks they don't even stop to eat each male is doing his best to stand out
44:52from the crowd but this big male is going to let his antlers do the talking and they're already causing
45:02quite a stir as a male moose gets older his antlers get bigger and more ornate now he's in his prime
45:12they're as big and as pointy as they're ever going to get no male will challenge him
45:19and he has the full attention of the female while the young bucks carry on sparring he just has to do one
45:41simple thing he digs a pit and leaves his scent the pheromones released further advertise his machismo the
45:58whole package makes him irresistible in Alaska they say that when it comes to finding a man the odds are
46:15good but the goods are often odd but with a headset this big he's a keeper
46:28the sun's power has waned it's autumn darkness steals another six minutes each day
46:42it's been a good summer for Lester his fish wheel has delivered him thousands of coho salmon
47:00he'll feed me in the winter and everybody else putting their everybody now he has to gut and fill up the fish
47:10he hangs it in the Sun to dry and cure and then he takes it into his home-built smokehouse
47:21the art of preserving fish has been in Alaska for thousands of years it's been passed down the
47:37generations and it has allowed Alaskans to carry the bounty of summer into the scarcity of winter
47:43it's knowledge that reached Lester as a boy it's helped him feed his family for 60 years
47:53he's in no hurry to change his ways I tried the other life and I like this life better
48:06in a few weeks the mighty Yukon the river that brought the salmon to Lester's door will be frozen solid
48:22temperatures will drop to minus 50
48:25but Lester isn't worried there are advantages I like winter
48:34because they don't have to work so hard
48:39all across Alaska summer has delivered on its promise
48:54under the gaze of the Sun there's been plenty for everyone
49:09some have had to work harder than others
49:15but most have managed to get their piece of the pie
49:20now time has run out
49:23they say you're not a true Alaskan till you face the winter
49:31it's time for the bold to step forward
49:50of all Alaska's animals there was one that truly gave the film crew the runaround
50:00caribou
50:04there are more than three quarters of a million of them
50:08so they shouldn't be that hard to find
50:12filming them from the air is fairly easy
50:17but keeping up with them on the ground while they're migrating is another matter
50:21they can travel 50 miles in a single day
50:28and this is rugged land
50:30cameraman Rob Drewitt and producer Alex Lanchester
50:36were going to need some local knowledge if they were going to stand any chance of tracking them down
50:41guide Dan Lee has spent most of his life in these hills
50:47looking for gold he knows the wilderness pretty well
50:53see how round that is look at that yeah real obvious caribou big difference for moose
51:03the team know they're in the right area they're already spotting caribou
51:12where are they they're just right over the edge
51:18we just peeked over and they're just about 10 or 15 just sitting there
51:23so good to see them
51:29but this is Alaska you can never be sure what's going to turn up
51:35we've got a grizzly it's grubbing for roots up there yeah it looks like it
51:42it's quite weird me filming caribou or witcher that way
51:46the grizzly bear is just over my shoulder hope someone's keeping an eye on it
51:53Alex
51:57with a grizzly bear in the area the caribou aren't hanging around
52:02they're probably going that way but we could go back around the trail yeah if they're going
52:06over the ridge we could meet them because there's another trail that goes that way okay
52:10the caribou can go wherever they please the team have to stick to the trails it's starting to get
52:17challenging
52:30we just had two to three hundred standing right here and we were over there and
52:37took us 10 minutes to get here and suddenly they're gone see them all on that ridge over there yeah
52:45it's a cat and mouse situation
52:49the caribou certainly aren't going to wait the team need to get ahead of them
52:54but even an all-terrain vehicle has its limitations around here
52:58and you will stay you are right in a mud bank
53:12it's high centered
53:15i've gone and got us stuck in the mud right at the edge of the river and we are proper stuck
53:21where are you going alex as the team try to free the vehicles the caribou get further and further
53:29away for them a river crossing like this would be no trouble at all
53:33for the team it gets worse
53:50so we finally got our atv out the river and we got out and there's a flat tire
53:56what i was wondering and the spear doesn't fit wrong pattern huh no the pattern's fine the bolts
54:05are too big for it oh see yeah in alaska road assistance comes from the sky i can't quite believe
54:15it's come to this
54:16thank you very much you bet saved i've saved our bacon so thank you okay no problem but we're
54:26going to get out of here before it changes yeah of course okay have fun thank you it doesn't take
54:32long to change the wheel but bad weather is coming in the team decide to set up camp
54:38and all the while the distance between the team and the caribou is growing bigger and bigger
54:46the following day the weather isn't any brighter rained quite a bit last night
54:56so it's a little disconcerting 24 hours of summer rain have made the rivers into torrents
55:05all the rain we've had the river is way too high for us to cross
55:09it could be two three days until we can cross it and then we don't know whether the herd's going to
55:15still be there because they'll still be moving another day lost and the caribou would have put 50
55:22miles between themselves and the team caribou have no body clock telling them when to stop so keep
55:30walking through the night but the team have a tip-off from another guide they drive 100 miles east
55:38putting their faith and guide claude bondy he knows of an unusual lake where he thinks the caribou
55:45will gather in big numbers it could be the crew's lucky break
55:54but getting there means a four-hour hike across a boggy landscape
55:57it would be an easy journey for a caribou with its great feet and long legs but much harder for the
56:07team now we have to zigzag our way through because we've got just brush in front of us doesn't make
56:16things easy
56:29but claude's hunch has paid off
56:33he knew the caribou would stop at this lake
56:38they're not just here for water they're here for precious minerals buried in the lake bed
56:44i didn't think it was going to happen so it's uh nice to see such a big group and we're talking
56:52thousands so amazing just need to get a little bit closer
57:05as we've been sitting here we've been completely surrounded by caribou
57:10and they came about 30 meters away which is pretty cool even the guide is astonished
57:20this is the most caribou i've ever seen at one time it's incredible
57:24and they're all just kind of cruising right to rob he's got to be just going crazy right now
57:31this close to the herd the team are not only able to film the big numbers but also capture
57:37behavior not seen before as the caribou stir up the mineral salts in the water and drink the solution
57:44we've had so many problems along the way with rain not seeing caribou them being too far away
57:51so it's finally finally got the shots we needed so it feels really good
57:55next time winter has returned those that cannot face it must leave
58:10for those that stay the rewards can be huge
58:15but they must overcome minus 50 degree temperatures to become masters of a nice world
58:19for many it's courage that gets them through
58:26but for a few alaskans this is the time they have been waiting for
58:38feel the chill of this alaskan winter here next saturday at eight
58:43in the meantime immerse yourself into the stunning earth from space all three episodes are available
58:48on iplayer now next year on bbc4 a spider hopes to escape from the center of its own web of deceit
58:56it's the final double bill of follow the money
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