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To us, winter can appear magical.
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00:00:05,120 --> 00:00:07,720
The way the snow transforms
the landscape
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00:00:07,720 --> 00:00:09,720
is little short of miraculous.
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00:00:11,000 --> 00:00:13,880
But for the animals
who have to live through it,
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00:00:13,880 --> 00:00:17,160
winter is a time
of incredible challenges.
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00:00:17,160 --> 00:00:20,760
This is the story of a small group
of baby animals
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00:00:20,760 --> 00:00:25,080
facing some of the harshest
conditions on the planet.
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00:00:25,080 --> 00:00:28,000
Polar bear cubs following their mums
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00:00:28,000 --> 00:00:30,560
to the ends of the Earth.
10
00:00:30,560 --> 00:00:33,880
Reindeer calves trying
to keep up with the herd.
11
00:00:36,440 --> 00:00:40,080
Young otters and Arctic foxes
learning to fend for themselves.
12
00:00:42,000 --> 00:00:44,840
Penguin chicks racing
to independence.
13
00:00:46,400 --> 00:00:48,440
And baby snow monkeys
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00:00:48,440 --> 00:00:51,840
who must find their place
in the troop to survive.
15
00:00:53,520 --> 00:00:56,280
With the help of their mums...
16
00:00:56,280 --> 00:00:58,440
dads...
17
00:00:58,440 --> 00:00:59,840
and families,
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00:00:59,840 --> 00:01:02,640
they might just make it
through their first year.
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00:01:07,200 --> 00:01:10,320
These are the snow babies.
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00:01:19,400 --> 00:01:22,280
Antarctica is the coldest place
on Earth.
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00:01:23,520 --> 00:01:25,760
In winter, there's little daylight
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00:01:25,760 --> 00:01:30,280
and the temperature may fall
to minus 80 degrees centigrade.
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00:01:32,560 --> 00:01:35,680
But for one remarkable animal,
this is home.
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00:01:37,520 --> 00:01:39,200
The emperor penguin.
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00:01:51,520 --> 00:01:53,480
Winter fades.
26
00:02:13,960 --> 00:02:16,680
Spring isn't the only new arrival.
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00:02:19,160 --> 00:02:23,400
He may be tiny, but he has a huge
adventure ahead of him.
28
00:02:24,600 --> 00:02:27,240
If he's to survive his first winter,
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00:02:27,240 --> 00:02:30,360
he must learn to stand on his own
two feet by then.
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00:02:32,520 --> 00:02:34,240
For the moment, though,
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00:02:34,240 --> 00:02:36,760
he relies completely on his parents.
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00:02:37,840 --> 00:02:40,040
Or, more precisely, his dad.
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00:02:41,400 --> 00:02:44,600
This little chap
has never met his mum.
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00:02:44,600 --> 00:02:48,680
Two months before he hatched,
in the darkest days of winter,
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00:02:48,680 --> 00:02:53,080
she set off to get fish for her
and her unborn chick.
36
00:02:54,360 --> 00:02:58,080
But right now it's 80 kilometres
to the water's edge
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00:02:58,080 --> 00:03:00,360
and she has a long journey home.
38
00:03:04,160 --> 00:03:08,560
Dad has fed his son what he can,
and has little left to offer.
39
00:03:11,080 --> 00:03:13,480
He needs a proper meal...
40
00:03:13,480 --> 00:03:15,080
and soon.
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00:03:21,840 --> 00:03:23,560
So does Dad.
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00:03:23,560 --> 00:03:26,240
He hasn't eaten for over 100 days,
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00:03:26,240 --> 00:03:28,520
and weighs half what he used to.
44
00:03:34,160 --> 00:03:37,720
But he can't leave
until Mum comes back.
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00:03:37,720 --> 00:03:40,880
All they can do is wait...
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00:03:40,880 --> 00:03:43,840
and hope that nothing
has happened to her.
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00:03:53,080 --> 00:03:56,560
At last, a sight for sore eyes.
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00:04:00,520 --> 00:04:03,320
It's the mums,
returning with fish and squid
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00:04:03,320 --> 00:04:06,640
for chicks they've never
even set eyes on.
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00:04:08,840 --> 00:04:11,520
HONKING
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00:04:11,520 --> 00:04:13,440
It's a warm welcome home.
52
00:04:20,200 --> 00:04:24,400
But with 20,000 penguins
all calling out at once,
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00:04:24,400 --> 00:04:27,080
how will the mums ever
find their own families?
54
00:04:29,600 --> 00:04:32,640
Incredibly, even in the uproar,
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00:04:32,640 --> 00:04:35,640
penguins can recognise the calls
of their partners.
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00:04:39,480 --> 00:04:41,240
She's found them.
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00:04:41,240 --> 00:04:43,240
Reunited at last.
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00:04:47,640 --> 00:04:50,160
After two months apart,
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00:04:50,160 --> 00:04:53,000
the adults spend
a tender moment together.
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00:05:03,720 --> 00:05:08,040
The chick has never seen
his mum before, and is a little shy.
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00:05:09,680 --> 00:05:13,080
For Mum, it's love at first sight.
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00:05:23,760 --> 00:05:26,640
After months of it being
just the two of them,
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00:05:26,640 --> 00:05:29,280
it's hard for Dad to let go.
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00:05:40,640 --> 00:05:44,080
It takes a lot of
gentle persuasion...
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00:05:44,080 --> 00:05:46,120
but he's finally ready.
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00:05:50,560 --> 00:05:53,880
The chick has only a thin down
to keep him warm.
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00:05:53,880 --> 00:05:58,240
Just two minutes on the ice
would be enough to kill him.
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00:05:58,240 --> 00:06:00,240
They have to move fast.
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00:06:03,280 --> 00:06:04,960
Mission accomplished.
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00:06:09,120 --> 00:06:12,120
The young chick gets
his first full meal,
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00:06:12,120 --> 00:06:14,560
Mum gets time with her baby,
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00:06:14,560 --> 00:06:17,680
and Dad can finally go fishing.
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00:06:18,840 --> 00:06:21,520
Just 80 kilometres to go.
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00:06:34,920 --> 00:06:36,800
At the other end of the world,
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00:06:36,800 --> 00:06:38,920
in the high Arctic,
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00:06:38,920 --> 00:06:41,080
winter is equally harsh.
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00:06:43,040 --> 00:06:45,960
It engulfs the world like a ghost.
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00:06:48,120 --> 00:06:50,920
It whips the land without mercy.
79
00:06:54,360 --> 00:06:57,400
But, again,
it doesn't last for ever.
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00:07:02,200 --> 00:07:04,520
Spring reveals new life.
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00:07:12,040 --> 00:07:15,240
This polar bear cub
was born two months ago
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00:07:15,240 --> 00:07:18,960
and has only just come out
of her den beneath the snow.
83
00:07:22,080 --> 00:07:24,920
Mum has been feeding
her on rich, fatty milk,
84
00:07:24,920 --> 00:07:28,600
but hasn't had anything to eat
herself for almost eight months.
85
00:07:36,920 --> 00:07:39,600
She needs to get them moving,
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00:07:39,600 --> 00:07:42,320
just as soon as she's sure
Baby can keep up.
87
00:07:53,920 --> 00:07:56,360
If she's to make it
through her first year,
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00:07:56,360 --> 00:07:59,880
the cub will have to be
continually on the move.
89
00:07:59,880 --> 00:08:04,080
It's the only way to survive in a
place where food is hard to come by.
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00:08:06,520 --> 00:08:08,320
Mum makes it look easy.
91
00:08:12,720 --> 00:08:14,280
Baby's not so sure...
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00:08:31,320 --> 00:08:33,760
..and needs some gentle reassurance.
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00:08:34,960 --> 00:08:36,560
GENTLE RYTHMIC CALLING
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00:08:39,600 --> 00:08:42,480
But if they're to catch any seals
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00:08:42,480 --> 00:08:45,920
they'll need to get onto the sea ice
before it starts to melt.
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00:08:47,160 --> 00:08:49,040
And the sooner, the better.
97
00:08:50,640 --> 00:08:53,000
They've got a lot
of travelling to do.
98
00:09:01,800 --> 00:09:05,480
Further south, the snow
is still thick on the ground.
99
00:09:09,120 --> 00:09:11,640
The nights are still long,
100
00:09:11,640 --> 00:09:14,560
and the temperature
well below freezing.
101
00:09:24,200 --> 00:09:27,520
This shivering little reindeer
has only just been born...
102
00:09:29,240 --> 00:09:32,080
..yet she has only a few hours
to find her feet
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00:09:32,080 --> 00:09:33,800
and join the rest of the herd.
104
00:09:46,960 --> 00:09:49,160
The reindeer, or caribou,
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00:09:49,160 --> 00:09:52,480
are on the longest overland
migration of any mammal,
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00:09:52,480 --> 00:09:56,240
searching for tender new grass
revealed by the melting snow.
107
00:09:58,040 --> 00:10:02,760
But new-born calves are
an easy target for hungry wolves.
108
00:10:07,200 --> 00:10:09,000
Shadowed as they go,
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00:10:09,000 --> 00:10:12,840
these reindeer may walk more
than 4,000 kilometres in a year
110
00:10:12,840 --> 00:10:16,320
and the calves will have to
keep up to survive.
111
00:10:24,400 --> 00:10:28,680
But even animals born to run
must take a break some time.
112
00:10:38,200 --> 00:10:42,320
When reindeer calves play,
they aren't just having fun -
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00:10:42,320 --> 00:10:44,160
they're getting fit and agile
114
00:10:44,160 --> 00:10:47,800
practising the defensive moves
they'll need to survive.
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00:10:47,800 --> 00:10:50,040
And not a moment too soon.
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00:10:53,360 --> 00:10:56,120
A white-tailed eagle
has got them in its sights.
117
00:10:57,600 --> 00:11:00,880
These enormous birds
can easily kill a young calf.
118
00:11:06,240 --> 00:11:10,320
A small group of mums and calves
have strayed away from the herd.
119
00:11:12,600 --> 00:11:13,880
A miss.
120
00:11:20,200 --> 00:11:21,920
But the eagle isn't giving up.
121
00:11:25,280 --> 00:11:26,760
A strike.
122
00:11:26,760 --> 00:11:28,720
The eagle succeeds.
123
00:11:34,040 --> 00:11:37,120
It's a harsh lesson
for the surviving calves,
124
00:11:37,120 --> 00:11:39,520
but they must stay with the herd.
125
00:11:41,800 --> 00:11:45,360
With one calf less,
the herd continues north,
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00:11:45,360 --> 00:11:47,280
chasing the melting snow.
127
00:12:01,200 --> 00:12:04,920
The thaw is also a busy time
for adult Arctic foxes.
128
00:12:06,960 --> 00:12:10,280
Spring brings new mouths to feed.
129
00:12:19,480 --> 00:12:21,640
By the time winter comes around,
130
00:12:21,640 --> 00:12:25,520
these cubs must be all grown up
and completely independent
131
00:12:25,520 --> 00:12:28,040
so they have a lot
of learning to do.
132
00:12:28,040 --> 00:12:32,680
And, as we all know, youngsters
learn faster when it's fun.
133
00:12:41,760 --> 00:12:45,120
The cubs are still too young
to hunt for themselves,
134
00:12:45,120 --> 00:12:48,440
but they've seen their parents
catching rodents under the snow
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00:12:48,440 --> 00:12:50,680
and are already honing their skills.
136
00:13:03,840 --> 00:13:05,920
It's Mum.
137
00:13:09,080 --> 00:13:11,960
But she's come back
without any food.
138
00:13:14,720 --> 00:13:18,280
It's still early in the year
and there's little for her to catch.
139
00:13:21,040 --> 00:13:23,400
Mum isn't about to give up, though.
140
00:13:23,400 --> 00:13:26,360
She heads back out to try again.
141
00:13:26,360 --> 00:13:29,440
Until they can hunt
and scavenge for themselves,
142
00:13:29,440 --> 00:13:32,800
all the cubs can do
is wait and hope.
143
00:13:42,480 --> 00:13:46,400
In the polar regions,
winters are long and harsh
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00:13:46,400 --> 00:13:49,160
and spring is slow to arrive.
145
00:13:59,640 --> 00:14:02,240
The same is true here,
in the mountains of Japan,
146
00:14:02,240 --> 00:14:05,040
where winter is a brutal affair.
147
00:14:08,760 --> 00:14:11,840
There is little greenery
and few plants to eat.
148
00:14:14,120 --> 00:14:17,080
But when spring finally comes,
149
00:14:17,080 --> 00:14:19,600
life returns quickly.
150
00:14:23,120 --> 00:14:26,480
A troop of macaques
makes the most of the sunshine.
151
00:14:33,280 --> 00:14:36,960
It's the perfect time to welcome
a new addition to the family.
152
00:14:44,440 --> 00:14:45,640
It's a baby boy.
153
00:14:47,040 --> 00:14:51,480
This tiny monkey will need
all the warmth, protection and milk
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00:14:51,480 --> 00:14:53,400
his devoted mum can offer.
155
00:15:10,160 --> 00:15:12,000
Surrounded by greenery,
156
00:15:12,000 --> 00:15:15,000
it's hard to believe
that Japanese macaques
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00:15:15,000 --> 00:15:17,640
are also known as snow monkeys.
158
00:15:17,640 --> 00:15:19,680
Yet, in only six months' time,
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00:15:19,680 --> 00:15:22,920
this baby monkey
will be in a world of white.
160
00:15:24,120 --> 00:15:26,720
If he's to make it
through his first winter,
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00:15:26,720 --> 00:15:29,320
he too has a lot of learning to do.
162
00:15:30,360 --> 00:15:33,000
Not just about feeding himself,
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00:15:33,000 --> 00:15:35,160
but also about fitting in.
164
00:15:36,480 --> 00:15:40,040
Snow monkey troops
have a very strict pecking order.
165
00:15:41,520 --> 00:15:43,640
A queen-like female rules the roost.
166
00:15:46,360 --> 00:15:49,800
Below her, a whole cast
of class-conscious males
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00:15:49,800 --> 00:15:52,160
decides who gets into the gang...
168
00:15:56,760 --> 00:15:58,000
..and who doesn't.
169
00:16:08,240 --> 00:16:11,120
Probably best just
to stick with Mum.
170
00:16:16,320 --> 00:16:20,200
Polar bear cubs must also
stay close to their mums.
171
00:16:24,120 --> 00:16:27,280
It's the only way a cub is ever
going to learn how to hunt.
172
00:16:31,840 --> 00:16:35,680
Ringed seals make their dens
in the sea ice.
173
00:16:35,680 --> 00:16:40,400
But polar bears have the best
sense of smell of any mammal.
174
00:16:43,480 --> 00:16:45,440
Unfortunately for her,
175
00:16:45,440 --> 00:16:49,560
ringed seals flee at
the first hint of danger.
176
00:16:54,920 --> 00:16:59,000
Only 2% of polar bear hunts
are successful,
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00:16:59,000 --> 00:17:02,640
so Mum will just
have to keep trying.
178
00:17:02,640 --> 00:17:06,680
At least, Baby has seen
how it's done,
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00:17:06,680 --> 00:17:09,920
though she might need
a little more practice.
180
00:17:23,040 --> 00:17:25,120
Mum's not giving up.
181
00:17:25,120 --> 00:17:27,080
Seals make their dens in the ice,
182
00:17:27,080 --> 00:17:30,440
so the rising temperatures mean
that they will soon be gone.
183
00:17:35,840 --> 00:17:38,080
Despite her growing hunger,
184
00:17:38,080 --> 00:17:41,160
Mum still makes time
to play with her baby.
185
00:17:42,880 --> 00:17:44,640
But the clock is ticking.
186
00:17:46,080 --> 00:17:50,320
As the sea ice gradually melts,
the seals will head out to sea.
187
00:17:51,560 --> 00:17:54,880
They have to keep moving,
searching for their prey.
188
00:18:00,440 --> 00:18:02,920
The cub keeps up as best she can,
189
00:18:02,920 --> 00:18:07,360
but polar bears might walk
as much 55 kilometres in a day
190
00:18:07,360 --> 00:18:11,000
and that's tough on
a cub's tender little paws.
191
00:18:20,760 --> 00:18:23,480
The cub takes a rest to soothe them.
192
00:18:29,840 --> 00:18:31,840
But there's no time to waste.
193
00:18:36,480 --> 00:18:38,800
It's time to get moving again.
194
00:18:44,880 --> 00:18:48,840
In the Antarctic,
spring is slower to take hold.
195
00:18:52,920 --> 00:18:55,760
But the penguin chicks
are growing fast.
196
00:18:57,040 --> 00:19:00,400
And no wonder -
in four months' time,
197
00:19:00,400 --> 00:19:03,200
this chick will be heading off
to the open ocean.
198
00:19:04,880 --> 00:19:07,840
In the meantime,
there's some local exploring to do.
199
00:19:16,360 --> 00:19:20,920
As far as Mum's concerned, a little
independence is no bad thing.
200
00:19:23,640 --> 00:19:26,320
Still, better follow him,
just in case.
201
00:19:34,120 --> 00:19:36,080
At the first sign of mischief,
202
00:19:36,080 --> 00:19:38,960
he's dragged back
by the scruff of the neck.
203
00:19:42,520 --> 00:19:45,400
But this little chap
has a will of his own.
204
00:19:59,240 --> 00:20:01,360
In the beginning, it's brilliant.
205
00:20:02,720 --> 00:20:07,560
It's his first slice of freedom,
and it tastes great.
206
00:20:14,920 --> 00:20:19,360
The trouble is that he's in a colony
of 80,000 penguins.
207
00:20:21,200 --> 00:20:23,400
Everyone looks pretty much the same.
208
00:20:28,840 --> 00:20:31,120
The result is inevitable.
209
00:20:34,200 --> 00:20:36,600
He's completely lost.
210
00:20:42,360 --> 00:20:44,760
It's the moment
every toddler dreads.
211
00:20:59,760 --> 00:21:02,480
All he wants is to find his mum.
212
00:21:06,480 --> 00:21:09,160
But this mum
belongs to someone else.
213
00:21:26,720 --> 00:21:28,320
Oh, dear.
214
00:21:28,320 --> 00:21:32,120
Some of the other females
have lost their babies,
215
00:21:32,120 --> 00:21:35,560
and their maternal instincts
are so overwhelming
216
00:21:35,560 --> 00:21:38,200
they'll steal
any stray baby they see.
217
00:21:39,400 --> 00:21:42,200
Suddenly, he's running for his life.
218
00:21:44,360 --> 00:21:47,440
It's chaos and very frightening.
219
00:22:06,720 --> 00:22:08,920
He's on his last legs...
220
00:22:11,040 --> 00:22:13,440
..when Mum comes to the rescue.
221
00:22:19,640 --> 00:22:22,680
The chick has learned his lesson
about leaving his mother's side.
222
00:22:29,800 --> 00:22:33,200
Though he might have preferred
a slightly more dignified exit.
223
00:22:54,800 --> 00:22:58,080
In the mountains of Japan,
baby snow monkeys are still busy
224
00:22:58,080 --> 00:23:00,920
trying to find their place
in the pecking order.
225
00:23:04,400 --> 00:23:07,160
Being the youngest
in the troop can be tough
226
00:23:07,160 --> 00:23:10,640
when all the older kids have already
worked out who their mates are.
227
00:23:16,560 --> 00:23:19,120
But if this monkey
doesn't make friends,
228
00:23:19,120 --> 00:23:22,000
he could be in real trouble
when winter comes round.
229
00:23:23,400 --> 00:23:25,880
An older baby comes over
to investigate...
230
00:23:32,440 --> 00:23:34,840
..and a friendship begins.
231
00:23:47,000 --> 00:23:50,040
Soon, everyone wants to say hi.
232
00:23:50,040 --> 00:23:53,360
It's official -
he's part of the gang.
233
00:24:06,320 --> 00:24:09,960
Yellowstone in the
Rocky Mountains of North America.
234
00:24:12,400 --> 00:24:16,360
In winter, this volcanic area
is thick with snow,
235
00:24:16,360 --> 00:24:20,280
and temperatures can easily
reach 40 degrees below zero.
236
00:24:21,960 --> 00:24:24,880
As winter ends,
the white melts away...
237
00:24:27,360 --> 00:24:29,200
..and the green takes over.
238
00:24:31,120 --> 00:24:32,880
It's late spring,
239
00:24:32,880 --> 00:24:36,840
and a family of otters emerge from
their holt for the very first time.
240
00:24:38,960 --> 00:24:41,120
Being born later in the year
241
00:24:41,120 --> 00:24:44,280
means that the pups avoid
the worst of the cold weather.
242
00:24:45,440 --> 00:24:49,160
It's a great strategy for keeping
the new-borns from freezing
243
00:24:49,160 --> 00:24:52,000
but it means they have less time
to pile on the fat
244
00:24:52,000 --> 00:24:54,480
before their first winter
comes around.
245
00:24:55,880 --> 00:24:57,600
They've timed it perfectly.
246
00:24:59,080 --> 00:25:02,800
Around here, otters survive
mainly on a diet of fish,
247
00:25:02,800 --> 00:25:06,640
and the local trout have just
arrived to lay their eggs.
248
00:25:08,040 --> 00:25:10,760
The pups must learn how to hunt,
of course.
249
00:25:10,760 --> 00:25:14,840
But on the first day of school,
maybe just a demonstration will do.
250
00:25:27,840 --> 00:25:30,520
Their mum is an excellent teacher.
251
00:25:36,560 --> 00:25:39,080
The fish are full of tiny eggs -
252
00:25:39,080 --> 00:25:41,120
perfect for little mouths.
253
00:25:42,720 --> 00:25:44,840
As long as the food keeps coming,
254
00:25:44,840 --> 00:25:47,240
they should be
in good shape for winter.
255
00:25:54,720 --> 00:25:57,520
Back in the realm
of the polar bears,
256
00:25:57,520 --> 00:26:01,920
the Arctic sea ice now shimmers
with late spring heat haze.
257
00:26:03,680 --> 00:26:07,120
This mother and her cub
have had a good couple of months
258
00:26:07,120 --> 00:26:09,920
hunting seals on the frozen sea.
259
00:26:09,920 --> 00:26:14,000
The problem is the surface of
the ice is beginning to melt.
260
00:26:25,760 --> 00:26:29,080
Polar bear cubs have tiny
bristles on their paws
261
00:26:29,080 --> 00:26:31,400
that help to stop them slipping,
262
00:26:31,400 --> 00:26:34,360
but it's no match
for the melting ice.
263
00:26:37,520 --> 00:26:40,560
Beneath the ice,
the seal pups are growing up
264
00:26:40,560 --> 00:26:42,960
and heading out to the open ocean,
265
00:26:42,960 --> 00:26:46,360
and catching them
is proving increasingly difficult.
266
00:26:49,000 --> 00:26:53,960
The bears follow the seals out to
sea, on thinner and thinner ice,
267
00:26:53,960 --> 00:26:58,080
knowing that this might be their
last chance of a meal
268
00:26:58,080 --> 00:26:59,880
for many months to come.
269
00:27:06,480 --> 00:27:09,840
In Antarctica,
it stays colder for longer.
270
00:27:17,840 --> 00:27:19,760
Unlike the polar bear cub,
271
00:27:19,760 --> 00:27:23,640
this penguin chick doesn't have
to travel to get his food.
272
00:27:23,640 --> 00:27:25,760
Mum and Dad do all the work.
273
00:27:26,800 --> 00:27:30,880
He's now old enough to be left alone
while his parents go fishing.
274
00:27:32,080 --> 00:27:34,240
Plus, he's made a lot of friends.
275
00:27:36,840 --> 00:27:39,040
And he and his mates
look out for each other...
276
00:27:41,840 --> 00:27:43,680
..most of the time.
277
00:27:45,200 --> 00:27:47,440
There's the odd
disagreement, of course.
278
00:27:49,000 --> 00:27:51,320
Though it's usually
quickly forgotten.
279
00:27:59,160 --> 00:28:02,440
Mum and Dad are now
both working full-time
280
00:28:02,440 --> 00:28:04,320
just to keep their baby fed.
281
00:28:06,640 --> 00:28:09,880
Even with the ice melting
and the sea getting closer,
282
00:28:09,880 --> 00:28:13,160
it's still a two-week round trip
to catch food.
283
00:28:16,280 --> 00:28:18,520
The adults have no choice.
284
00:28:18,520 --> 00:28:21,200
Their chicks have some
serious growing to do
285
00:28:21,200 --> 00:28:24,200
if they're to leave
home before next winter.
286
00:28:31,000 --> 00:28:35,560
But, even in summer,
the weather can turn in an instant.
287
00:28:36,960 --> 00:28:39,040
In an Antarctic blizzard,
288
00:28:39,040 --> 00:28:43,400
temperatures can quickly fall
to minus 55 degrees Centigrade.
289
00:28:45,160 --> 00:28:49,520
The chicks' only chance of survival
is to huddle together for warmth.
290
00:28:51,160 --> 00:28:54,040
The cold, though,
is only part of the problem.
291
00:28:55,800 --> 00:28:58,120
They've lost the rest of the colony.
292
00:29:03,080 --> 00:29:04,680
They have two choices.
293
00:29:05,840 --> 00:29:09,240
They can stay together
and hope that they are found,
294
00:29:09,240 --> 00:29:13,520
or they can break the huddle,
search for the remaining adults,
295
00:29:13,520 --> 00:29:15,600
and risk freezing to death.
296
00:29:17,920 --> 00:29:21,240
Young and afraid,
they decide to risk it.
297
00:29:25,520 --> 00:29:28,920
But they could be heading
in completely the wrong direction.
298
00:29:54,240 --> 00:29:57,560
In the end, luck is on their side.
299
00:29:58,640 --> 00:30:00,600
Even at the height of the blizzard,
300
00:30:00,600 --> 00:30:04,160
there's still a column of adults
bringing fish back from the sea.
301
00:30:05,280 --> 00:30:08,680
The chicks are led home like
a party of lost schoolchildren.
302
00:30:37,200 --> 00:30:40,480
Back with the colony,
they form a creche once more.
303
00:30:44,240 --> 00:30:46,760
But nothing beats
snuggling up to Mum.
304
00:30:52,600 --> 00:30:55,440
Hanging out with your mates
is all very well
305
00:30:55,440 --> 00:30:57,760
but mums are definitely better.
306
00:31:14,000 --> 00:31:17,040
In the Arctic,
there's little snow left,
307
00:31:17,040 --> 00:31:20,680
as over 75,000 reindeer soldier on,
308
00:31:20,680 --> 00:31:23,480
covering up to 50 kilometres a day.
309
00:32:13,800 --> 00:32:16,280
This is boom time for the reindeer.
310
00:32:17,440 --> 00:32:21,120
The little calves are feeding
for themselves now.
311
00:32:21,120 --> 00:32:24,240
Though they'll still drink mum's
milk when they get a chance.
312
00:32:29,080 --> 00:32:31,200
With coats designed for the cold,
313
00:32:31,200 --> 00:32:33,480
overheating can be a problem
for the reindeer.
314
00:32:34,560 --> 00:32:36,040
True arctic animals,
315
00:32:36,040 --> 00:32:39,760
they seek out the last patches
of snow to keep cool.
316
00:32:40,960 --> 00:32:45,200
And then they're off once more,
always in search of new pastures.
317
00:32:47,640 --> 00:32:49,680
But danger is never far away.
318
00:32:51,480 --> 00:32:53,640
The wolves have decided to strike.
319
00:32:55,760 --> 00:32:58,040
HOWLING
320
00:33:00,040 --> 00:33:01,680
Their strategy is fear.
321
00:33:03,080 --> 00:33:04,760
Panic the reindeer,
322
00:33:04,760 --> 00:33:08,800
and the calves will fall behind
or get separated from the herd.
323
00:33:10,440 --> 00:33:13,880
In the chaos, anxious mums
call desperately for their babies.
324
00:33:13,880 --> 00:33:15,480
RYTHMIC BAYING
325
00:33:23,040 --> 00:33:25,560
Most of the calves are lucky.
326
00:33:25,560 --> 00:33:28,000
This one was separated but survived.
327
00:33:29,080 --> 00:33:31,600
Now she just needs to find Mum.
328
00:33:34,040 --> 00:33:36,960
But while there may be safety
in numbers,
329
00:33:36,960 --> 00:33:38,840
it's also easier to get lost.
330
00:33:43,720 --> 00:33:46,960
THEY CALL TO EACH OTHER
331
00:33:51,000 --> 00:33:55,160
Found at last, and desperate
for Mum's reassurance.
332
00:33:56,760 --> 00:33:59,160
Others may not have been
so fortunate.
333
00:34:00,680 --> 00:34:04,600
But at least this little one
is safe and back with the herd.
334
00:34:10,320 --> 00:34:14,000
At the peak of the Arctic summer,
the sun never sets.
335
00:34:24,840 --> 00:34:26,840
This constant warmth and energy
336
00:34:26,840 --> 00:34:29,280
triggers an incredible
burst of life.
337
00:34:30,720 --> 00:34:35,840
Millions of seabirds flock to the
cold, rich seas now freed from ice.
338
00:34:39,080 --> 00:34:42,160
Humpback whales arrive
for a spectacular feast
339
00:34:42,160 --> 00:34:43,720
of shrimp-like krill.
340
00:35:03,760 --> 00:35:07,880
The fox cubs get their share of
the feast - an adult seabird.
341
00:35:11,160 --> 00:35:14,960
They're already displaying signs
of independence, fighting over food.
342
00:35:16,320 --> 00:35:19,320
As adults,
they will live largely alone,
343
00:35:19,320 --> 00:35:22,240
and it's quickly becoming
every pup for himself.
344
00:35:27,080 --> 00:35:30,920
High above them, guillemots race
to feed their hungry chicks
345
00:35:30,920 --> 00:35:32,320
while summer lasts.
346
00:35:33,320 --> 00:35:36,200
Only three weeks old,
it's time for the young birds
347
00:35:36,200 --> 00:35:38,840
to take their first flight
into the unknown.
348
00:35:41,440 --> 00:35:45,240
And they only get one shot
to reach the safety of the sea,
349
00:35:45,240 --> 00:35:47,880
with mum following anxiously behind.
350
00:36:05,560 --> 00:36:08,440
For many, it's a perfect
- if bumpy - landing.
351
00:36:11,240 --> 00:36:13,280
But not all of them succeed.
352
00:36:26,400 --> 00:36:30,400
A botched first flight delivers
easy pickings for a mother fox.
353
00:36:32,600 --> 00:36:36,000
Wily Mum stores her catch
for harder times ahead.
354
00:36:37,880 --> 00:36:40,840
In the Arctic,
it pays to be prepared.
355
00:36:57,200 --> 00:37:01,280
The summer thaw in the Antarctic
has melted much of the ice...
356
00:37:04,520 --> 00:37:08,320
..and this penguin colony is now
on the verge of being washed away.
357
00:37:14,320 --> 00:37:16,560
It's make or break
time for the chicks.
358
00:37:17,760 --> 00:37:21,160
They've started growing
their waterproof adult feathers
359
00:37:21,160 --> 00:37:23,440
and their parents have stopped
feeding them.
360
00:37:24,880 --> 00:37:29,680
It's time to take to the water,
whether they like it or not.
361
00:37:38,440 --> 00:37:41,320
Eventually, after much hesitation,
362
00:37:41,320 --> 00:37:44,840
they summon their courage
and take the plunge.
363
00:37:51,040 --> 00:37:53,800
Swimming is a wonderful discovery.
364
00:38:07,840 --> 00:38:10,880
At last, they're almost
the same size as the adults...
365
00:38:12,480 --> 00:38:15,000
..and a perfect meal
for a leopard seal.
366
00:38:16,760 --> 00:38:20,080
Having barely wet their beaks,
they shoot back on to the ice.
367
00:38:47,760 --> 00:38:51,840
It's been a harsh introduction
to the reality of life at sea.
368
00:38:58,200 --> 00:39:02,040
But they can't stay here for ever -
they have to start fishing.
369
00:39:02,040 --> 00:39:04,680
It's time for another deep breath.
370
00:39:12,960 --> 00:39:17,080
This time, they swim straight out
to the open ocean
371
00:39:17,080 --> 00:39:19,080
and off to independence.
372
00:39:24,560 --> 00:39:28,120
High summer in the Arctic
and there's little ice left.
373
00:39:32,880 --> 00:39:36,920
It's the hardest time of year
for hungry polar bears.
374
00:39:36,920 --> 00:39:40,560
There are still a few seals,
but not enough ice to hunt them on.
375
00:39:41,560 --> 00:39:43,720
There's only one thing for it.
376
00:39:53,120 --> 00:39:56,720
Polar bears are superb swimmers
377
00:39:56,720 --> 00:40:00,040
and can easily swim
55 kilometres a day.
378
00:40:05,840 --> 00:40:09,480
Mum is perfectly at home
under water.
379
00:40:09,480 --> 00:40:12,800
but seals can swim
faster and deeper.
380
00:40:21,720 --> 00:40:25,280
It's time to admit defeat
and head for dry land.
381
00:40:34,360 --> 00:40:37,280
Eventually the days close in.
382
00:40:37,280 --> 00:40:39,120
Summer slowly fades.
383
00:40:43,800 --> 00:40:46,400
A chill comes to the mountains
of Japan.
384
00:40:55,800 --> 00:40:59,000
Mothers and babies must
cuddle together for warmth.
385
00:41:04,160 --> 00:41:06,200
Autumn is finally here.
386
00:41:08,640 --> 00:41:10,920
THUNDER
387
00:41:19,360 --> 00:41:22,160
As they make the most
of the dwindling grass,
388
00:41:22,160 --> 00:41:25,120
the reindeer calves
also grow thicker coats.
389
00:41:27,640 --> 00:41:30,560
The fox cubs' coats are
not just getting thicker,
390
00:41:30,560 --> 00:41:34,240
they're also getting paler
to match the coming snow.
391
00:41:35,560 --> 00:41:40,400
They'll be leaving home soon to face
their first winter alone.
392
00:41:41,560 --> 00:41:46,440
As a result, their play is
much more like real hunting now.
393
00:41:47,720 --> 00:41:51,840
And playing with their food
is positively encouraged.
394
00:41:58,920 --> 00:42:00,920
When you're having fun,
395
00:42:00,920 --> 00:42:04,280
it's easy to think that
the good times will last for ever.
396
00:42:11,080 --> 00:42:14,480
But there's no mistaking
the change in the air.
397
00:42:20,360 --> 00:42:25,440
Further north, these polar bears
have swum back to shore.
398
00:42:27,240 --> 00:42:31,560
Until the sea freezes over again,
there's little for them to eat.
399
00:42:33,280 --> 00:42:35,280
What is Mum up to?
400
00:42:36,440 --> 00:42:39,480
Actually, desperation is setting in.
401
00:42:41,040 --> 00:42:42,960
She must forage for what she can.
402
00:42:46,160 --> 00:42:49,680
A bit of seaweed hardly helps
with the hunger.
403
00:42:49,680 --> 00:42:52,880
It's more like a vitamin supplement
than a meal,
404
00:42:52,880 --> 00:42:54,680
but it's better than nothing.
405
00:43:04,560 --> 00:43:07,040
While Mum hunts in the water,
406
00:43:07,040 --> 00:43:10,120
baby grabs the chance
to hunt on land.
407
00:43:21,040 --> 00:43:23,200
Just a little bit more practice.
408
00:43:30,920 --> 00:43:33,440
Her baby is still getting milk
409
00:43:33,440 --> 00:43:37,240
but it's been months since Mum
last ate a proper meal.
410
00:43:38,440 --> 00:43:42,600
And these bones from a beached
whale were picked clean years ago.
411
00:43:44,160 --> 00:43:45,840
All they can do
412
00:43:45,840 --> 00:43:49,400
is wait for the sea to freeze over.
413
00:43:57,320 --> 00:44:00,920
When winter comes,
it makes a dramatic entrance...
414
00:44:03,000 --> 00:44:04,720
..arriving with a force
415
00:44:04,720 --> 00:44:07,800
that the snow babies
have never experienced before.
416
00:44:26,960 --> 00:44:30,720
The youngsters have learned
all they can.
417
00:44:30,720 --> 00:44:32,000
For most of them,
418
00:44:32,000 --> 00:44:35,760
it's time to face the greatest
challenge of their lives.
419
00:44:37,400 --> 00:44:40,880
With the change in season,
the reindeer turn south.
420
00:44:44,360 --> 00:44:49,360
1,500 freezing kilometres
now separate the calves
421
00:44:49,360 --> 00:44:51,360
from the lush southern pastures.
422
00:45:04,840 --> 00:45:07,760
At last, the first shock is over.
423
00:45:10,680 --> 00:45:13,360
The world is transformed.
424
00:45:34,280 --> 00:45:39,440
In Japan, this year's babies
are seeing snow for the first time.
425
00:45:41,280 --> 00:45:43,640
At first, they're just curious.
426
00:45:44,920 --> 00:45:46,840
Then they get creative.
427
00:45:51,080 --> 00:45:53,320
Snow monkeys are quick learners,
428
00:45:53,320 --> 00:45:55,160
and this young monkey has found
429
00:45:55,160 --> 00:45:57,880
a wonderful way
of entertaining himself.
430
00:46:01,280 --> 00:46:03,080
Making snowballs.
431
00:46:12,560 --> 00:46:17,040
The only problem is
it keeps rolling away.
432
00:46:26,400 --> 00:46:28,920
Or maybe that's the point.
433
00:46:28,920 --> 00:46:32,480
After all, why else would he take it
to the top of the hill again?
434
00:46:41,400 --> 00:46:44,120
For this particular
troop of macaques,
435
00:46:44,120 --> 00:46:48,720
making snowballs has become
part of their unique culture.
436
00:46:48,720 --> 00:46:50,480
By copying the others,
437
00:46:50,480 --> 00:46:54,360
this little monkey is doing his best
to stay part of the gang.
438
00:47:14,920 --> 00:47:18,960
When you're young, snow is
fun and extremely exciting.
439
00:47:21,200 --> 00:47:24,280
But the sense of fun
doesn't always last.
440
00:47:28,800 --> 00:47:32,040
Snow monkeys are the most
northerly monkeys on earth
441
00:47:32,040 --> 00:47:35,480
and face winter temperatures
that are well below freezing.
442
00:47:38,960 --> 00:47:40,760
There's nowhere to shelter...
443
00:47:41,960 --> 00:47:44,400
..and food is hard to come by.
444
00:47:55,400 --> 00:47:59,160
But snow monkeys are nothing
if not resourceful.
445
00:48:02,120 --> 00:48:07,680
They'll eat berries, leaves,
fruit, nuts and insects.
446
00:48:10,120 --> 00:48:12,720
And, when there's no food
on the ground,
447
00:48:12,720 --> 00:48:14,360
they'll try the water.
448
00:48:16,520 --> 00:48:19,360
And that includes the babies.
449
00:48:23,280 --> 00:48:26,800
Small crustaceans are hiding
under the rocks,
450
00:48:26,800 --> 00:48:32,040
and this baby snow monkey has been
taught by his mum how to find them.
451
00:48:33,920 --> 00:48:37,640
It's fiddly work
and the water is freezing...
452
00:48:39,560 --> 00:48:41,560
..but beggars can't be choosers.
453
00:48:47,120 --> 00:48:49,080
With their thick coats,
454
00:48:49,080 --> 00:48:52,560
adult snow monkeys are well equipped
to deal with the wind and the snow.
455
00:48:55,520 --> 00:48:57,680
The babies aren't so lucky.
456
00:48:59,800 --> 00:49:04,280
Without some respite,
this baby could be in real trouble.
457
00:49:17,040 --> 00:49:20,880
Back in the Rockies, the otter
family have no such problems.
458
00:49:33,360 --> 00:49:37,440
Thanks to hot volcanic springs,
there are gaps in the ice
459
00:49:37,440 --> 00:49:39,600
which make excellent fishing holes.
460
00:49:47,040 --> 00:49:48,560
But they're not alone.
461
00:49:49,640 --> 00:49:52,560
A hungry coyote is on the prowl.
462
00:49:56,280 --> 00:50:00,400
Coyotes will happily kill and eat
an otter pup if given half a chance.
463
00:50:02,840 --> 00:50:05,920
But this one seems to have
other things on his mind.
464
00:50:08,080 --> 00:50:10,800
With his incredible sense of smell,
465
00:50:10,800 --> 00:50:13,680
the coyote sniffs out
the otters' larder.
466
00:50:17,760 --> 00:50:19,000
Unlucky.
467
00:50:20,160 --> 00:50:23,520
Watched by the increasingly
frustrated otters,
468
00:50:23,520 --> 00:50:24,640
he tries again.
469
00:50:37,600 --> 00:50:39,280
This time he's in luck.
470
00:50:40,560 --> 00:50:43,560
It's a huge Yellowstone
cutthroat trout,
471
00:50:43,560 --> 00:50:45,480
fresh out of the otters' freezer.
472
00:50:47,360 --> 00:50:51,400
Still, better that he
takes a fish than a pup.
473
00:51:04,200 --> 00:51:08,040
As winter deepens,
even the sea freezes.
474
00:51:15,640 --> 00:51:18,080
The surface turns to icy slush.
475
00:51:27,600 --> 00:51:31,640
Gradually, the ice merges
into flat plates.
476
00:51:36,200 --> 00:51:39,920
Eventually, after much
toing and froing,
477
00:51:39,920 --> 00:51:41,800
the plates lock together...
478
00:51:45,280 --> 00:51:48,440
..and the sea becomes land again.
479
00:51:53,840 --> 00:51:59,120
At last, the Arctic is
just how polar bears like it.
480
00:52:03,280 --> 00:52:06,160
They are back on solid ice,
481
00:52:06,160 --> 00:52:09,360
and seals are back
at the top of the menu.
482
00:52:13,880 --> 00:52:15,760
Hunting day and night,
483
00:52:15,760 --> 00:52:18,360
this mum has been making up
for lost time.
484
00:52:19,400 --> 00:52:21,600
Ringed seals are abundant
485
00:52:21,600 --> 00:52:24,280
and the ice is no longer
melting underfoot.
486
00:52:30,480 --> 00:52:33,440
Mum is having a field day,
487
00:52:33,440 --> 00:52:35,800
and so too is her little cub.
488
00:52:40,040 --> 00:52:43,800
With their bellies full,
they take a well-earned rest.
489
00:52:43,800 --> 00:52:46,120
It's four degrees below...
490
00:52:47,320 --> 00:52:49,440
..and just how they like it.
491
00:52:54,720 --> 00:52:57,200
And what about the fox cubs?
492
00:52:57,200 --> 00:52:59,960
They're all grown up
and living on their own now.
493
00:53:01,800 --> 00:53:06,360
Their winter coat gives them
the best insulation of any mammal
494
00:53:06,360 --> 00:53:08,880
and excellent camouflage
in the snow.
495
00:53:10,680 --> 00:53:16,360
This cub is now a master at hunting
rodents scurrying beneath the snow.
496
00:53:17,560 --> 00:53:20,640
But some of the best food
is served frozen.
497
00:53:21,960 --> 00:53:24,440
Whether killed by illness,
or by the cold,
498
00:53:24,440 --> 00:53:28,360
this adult reindeer will
keep for a long, long time.
499
00:53:29,360 --> 00:53:32,320
The cub's mum and dad
would be proud of him.
500
00:53:37,960 --> 00:53:41,680
The reindeer calves are also
independent of their mums.
501
00:53:41,680 --> 00:53:45,080
Heading south, they are keeping one
step ahead of the weather...
502
00:53:46,680 --> 00:53:49,920
..ensuring the snow is still
shallow enough to move through
503
00:53:49,920 --> 00:53:51,480
and find food in.
504
00:54:01,080 --> 00:54:04,840
Arctic wolves may still
be shadowing them
505
00:54:04,840 --> 00:54:07,800
but the calves are bigger
and faster now
506
00:54:07,800 --> 00:54:09,520
and no longer easy prey.
507
00:54:17,080 --> 00:54:21,120
The young reindeer still have
an epic journey ahead of them,
508
00:54:21,120 --> 00:54:24,440
but the future is definitely
looking brighter.
509
00:54:27,840 --> 00:54:31,520
But the reindeer aren't the only
ones on an epic journey.
510
00:54:35,920 --> 00:54:38,680
Having left the ice
at the height of the summer,
511
00:54:38,680 --> 00:54:41,680
they've journeyed well beyond
the Antarctic Circle.
512
00:54:43,520 --> 00:54:45,080
At over a metre long,
513
00:54:45,080 --> 00:54:49,600
the young penguins are now
the same size as their parents,
514
00:54:49,600 --> 00:54:53,960
and they can dive to depths of
over 500 metres on a single breath.
515
00:54:58,880 --> 00:55:02,720
They are, at last,
the essence of freedom.
516
00:55:09,160 --> 00:55:13,120
High in the Rocky Mountains,
the otter family are staying put.
517
00:55:15,400 --> 00:55:17,800
They have a plentiful supply of fish
518
00:55:17,800 --> 00:55:22,000
and will stay together all winter,
looking after each other.
519
00:55:23,960 --> 00:55:26,760
Having mastered the art of survival,
520
00:55:26,760 --> 00:55:29,280
they can now afford to play.
521
00:55:48,760 --> 00:55:52,080
Why run when you can toboggan?
522
00:56:00,760 --> 00:56:04,960
But life doesn't look quite so easy
for the Japanese macaques.
523
00:56:06,360 --> 00:56:08,520
In their volcanic mountains,
524
00:56:08,520 --> 00:56:11,440
the snow monkeys are living up
to their name.
525
00:56:14,840 --> 00:56:18,200
The weather has taken a turn
for the worse.
526
00:56:19,880 --> 00:56:22,080
But they have a secret.
527
00:56:29,400 --> 00:56:34,040
Heated by the volcano,
it's an enormous hot tub.
528
00:56:37,360 --> 00:56:41,400
For a little monkey,
it doesn't get better than this.
529
00:56:42,920 --> 00:56:45,040
Surrounded by family and friends,
530
00:56:45,040 --> 00:56:47,880
all his efforts to get in
with the rest of the troop
531
00:56:47,880 --> 00:56:50,240
have finally paid off.
532
00:56:50,240 --> 00:56:52,400
He hasn't been left out in the cold.
533
00:57:04,880 --> 00:57:08,320
But there's someone who
deserves some special attention.
534
00:57:09,720 --> 00:57:13,320
She's seen him through
the toughest times.
535
00:57:13,320 --> 00:57:18,160
She's nursed him, protected him,
and taught him everything he knows.
536
00:57:20,200 --> 00:57:23,600
Because of her,
his future is looking good.
537
00:57:27,120 --> 00:57:28,400
Thanks, Mum.
538
00:57:47,600 --> 00:57:50,720
Thanks to everything
they've learned along the way,
539
00:57:50,720 --> 00:57:53,200
all our snow babies
have made it through
540
00:57:53,200 --> 00:57:55,960
the most difficult time
of their young lives...
541
00:57:57,920 --> 00:58:01,200
..with a little help from family
and friends.
542
00:58:32,720 --> 00:58:36,360
Subtitles by Red Bee Media Ltd
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