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The world is full
of extraordinary animals.
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00:00:07,984 --> 00:00:10,583
But how well
do we really understand them?
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00:00:11,817 --> 00:00:14,016
How do they really
think and feel?
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00:00:15,483 --> 00:00:18,415
To find out, a team
of Spy Creatures
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00:00:18,484 --> 00:00:20,315
is going undercover.
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00:00:21,617 --> 00:00:24,549
They not only look
like part of the family,
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00:00:24,616 --> 00:00:26,482
they behave like them, too.
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00:00:28,684 --> 00:00:32,314
Armed with the latest
camera technology,
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00:00:32,384 --> 00:00:35,183
they are going
to travel the globe
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00:00:35,252 --> 00:00:38,584
to understand the true nature
of the animals they meet,
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00:00:40,150 --> 00:00:43,082
and reveal how intelligent
they really are,
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00:00:46,317 --> 00:00:48,652
how badly behaved they can be,
13
00:00:50,817 --> 00:00:53,816
how important
friendship is to them,
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00:00:55,384 --> 00:00:58,718
and if it's possible that they
can truly love each other.
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00:00:59,684 --> 00:01:01,083
What they discover
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00:01:01,151 --> 00:01:04,585
will change our perception
of animals forever.
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00:01:07,387 --> 00:01:08,652
Perhaps they are more like us
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00:01:08,718 --> 00:01:11,317
than we
ever believed possible.
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00:01:13,000 --> 00:01:19,074
www.fmsubs.com
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00:01:21,986 --> 00:01:24,818
When it comes to solving
life's problems,
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00:01:24,886 --> 00:01:27,350
just how clever
can animals be?
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In the forest in Borneo
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lives one of our closest
animal relatives,
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the orang-utan.
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00:01:43,754 --> 00:01:48,318
These great apes share
97% of our DNA.
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00:01:55,322 --> 00:01:58,620
They're one of the most
intelligent animals on earth.
27
00:02:00,388 --> 00:02:03,254
To film the behaviour
of these shrewd primates
28
00:02:03,320 --> 00:02:07,386
requires an exceptionally
lifelike Spy Creature.
29
00:02:12,122 --> 00:02:13,588
To be totally convincing,
30
00:02:13,654 --> 00:02:16,954
Spy Orang-utan must mimic
their facial expressions.
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00:02:20,187 --> 00:02:24,053
Rather than bare her teeth,
she needs to appear friendly.
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00:02:27,356 --> 00:02:29,487
By sending out
the right signals,
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00:02:29,557 --> 00:02:31,588
she soon draws attention.
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00:02:34,756 --> 00:02:38,520
Adult males are always
interested in any new female.
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00:02:42,290 --> 00:02:43,589
But he needs some convincing
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00:02:43,659 --> 00:02:46,324
that all is quite
what it seems.
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00:02:47,789 --> 00:02:50,588
Spy Orang-utan
pouts her mouth,
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00:02:50,657 --> 00:02:52,389
a sign she's not a threat.
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00:02:54,424 --> 00:02:56,455
As news gets around,
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00:02:56,524 --> 00:02:59,522
a young male
comes to investigate,
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00:02:59,590 --> 00:03:01,556
and he, too, seems unsure.
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00:03:03,057 --> 00:03:05,756
Time for some
careful reflection.
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00:03:10,025 --> 00:03:12,156
He keeps a safe distance,
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00:03:12,224 --> 00:03:16,421
and finds an imaginative way to
test the Spy Creature's reactions.
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00:03:20,926 --> 00:03:24,723
It's a somewhat unorthodox way
to make new friends.
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00:03:38,293 --> 00:03:42,725
Solving problems creatively
is proof of a clever mind.
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00:03:47,260 --> 00:03:51,657
Over time, as more orang-utans
visit the strange new creature,
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00:03:51,727 --> 00:03:54,558
confidence grows
that she's not a threat.
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00:03:57,759 --> 00:04:00,859
One youngster
seems especially curious.
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00:04:11,061 --> 00:04:12,723
Young orang-utans learn
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00:04:12,793 --> 00:04:15,025
by constantly interrogating
their surroundings,
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00:04:15,094 --> 00:04:16,893
and everything in it.
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00:04:18,994 --> 00:04:22,193
Spy Orang-utan
captures a unique view
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00:04:22,262 --> 00:04:25,427
of an intelligent
young mind developing.
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00:04:46,496 --> 00:04:50,191
Curiosity satisfied,
he heads back.
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00:04:50,261 --> 00:04:53,161
Among these orang-utans,
the thirst for knowledge
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has inspired
some astonishing behaviour.
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Careful to keep her baby dry,
the mother leaves the jungle
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00:05:02,562 --> 00:05:05,095
to visit
an old research outpost.
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00:05:10,697 --> 00:05:13,694
This is the human world,
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a treasure trove
for inquiring minds.
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She quietly helps herself.
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A bar of soap.
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She carries her find in
her mouth back to the forest.
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00:05:56,333 --> 00:05:58,731
And joins a friend.
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00:06:03,200 --> 00:06:06,033
They appear to use the soap
just as we would.
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00:06:13,167 --> 00:06:14,797
Around 40 years ago,
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00:06:14,865 --> 00:06:17,897
rescued orang-utans released
here learnt to use soap
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00:06:17,966 --> 00:06:20,564
by watching local people
washing in the river.
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00:06:21,499 --> 00:06:22,864
But, remarkably,
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00:06:22,934 --> 00:06:25,166
these orang-utans
were born in the wild,
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00:06:25,233 --> 00:06:28,465
so the idea has spread
among the wild population.
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00:06:40,802 --> 00:06:44,233
The sharing of the soap
suggests how new orang-utans
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00:06:44,301 --> 00:06:46,333
may have learnt the technique.
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00:06:48,068 --> 00:06:50,400
It's become a form
of animal culture,
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00:06:50,468 --> 00:06:52,234
passed on to the young,
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something only seen among
a few intelligent species.
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00:06:57,902 --> 00:07:01,001
Why they are so keen
to lather up is intriguing,
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00:07:01,068 --> 00:07:03,767
and not completely understood.
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00:07:05,202 --> 00:07:07,601
But then, nearby,
a female does something
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00:07:07,669 --> 00:07:11,465
that might shed light on
this extraordinary behaviour.
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She chews a piece of bark,
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00:07:16,135 --> 00:07:19,033
and creates
a frothy lather in her mouth,
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just like soap suds.
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00:07:24,135 --> 00:07:25,433
Rubbing it on her arm,
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00:07:25,503 --> 00:07:26,901
she makes the same movements
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00:07:26,968 --> 00:07:29,402
as she would
if washing with soap.
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00:07:36,170 --> 00:07:39,902
But, then, starts to eat it.
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Orang-utans are known to use
medicinal leaves in similar ways.
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00:07:44,035 --> 00:07:47,500
So perhaps the bark has
therapeutic qualities, too.
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00:07:49,069 --> 00:07:51,535
Maybe soap-washing
caught on so easily
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00:07:51,604 --> 00:07:53,936
because it mirrored
their natural behaviour.
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00:07:57,102 --> 00:07:58,634
They also eat the suds,
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00:07:58,703 --> 00:08:01,404
and strangely,
they seem to enjoy the taste.
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It doesn't harm
them in any way.
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00:08:07,870 --> 00:08:10,303
Perhaps, it aids
their digestion, too.
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00:08:13,572 --> 00:08:17,636
And now, Spy Orang-utan
gives it a try,
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00:08:19,171 --> 00:08:22,868
much to
the real one's fascination.
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00:08:22,939 --> 00:08:26,936
Intelligent curiosity is vital
for orang-utan survival
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00:08:27,005 --> 00:08:29,070
in a complex jungle world.
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00:08:36,239 --> 00:08:39,171
In the cold and harsh
conditions of Alaska,
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00:08:39,239 --> 00:08:42,703
animals also rely
on their wits to stay alive.
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00:08:44,473 --> 00:08:46,838
Here, sea otters
gather together
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in congregations
known as rafts.
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They are notoriously
difficult to approach.
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So Spy Sea Otter
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offers the best chance
to infiltrate their world.
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00:09:09,107 --> 00:09:10,906
He approaches slowly,
109
00:09:17,739 --> 00:09:20,105
and soon captures
some of the closest,
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00:09:20,174 --> 00:09:23,073
and most intimate
views possible.
111
00:09:43,974 --> 00:09:45,205
Happy he's harmless,
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00:09:45,276 --> 00:09:47,975
the otter gets on
with his daily routine.
113
00:09:51,375 --> 00:09:56,574
Wherever he goes, Spy Otter
keeps a spying eye on him.
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00:09:56,642 --> 00:10:00,173
Sea otters spend up to 50%
of their time feeding,
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catching seafood delicacies,
such as clams and crabs.
116
00:10:08,575 --> 00:10:12,507
But some shells are just too
tough for their teeth to crack.
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This is where
their ingenuity comes in.
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00:10:25,843 --> 00:10:28,543
Stones are dredged
from the seabed,
119
00:10:30,644 --> 00:10:33,777
then placed
on their chests, as anvils.
120
00:10:36,844 --> 00:10:39,743
He can then crack
even the toughest shell.
121
00:11:09,680 --> 00:11:11,980
It's a brilliant solution,
122
00:11:12,046 --> 00:11:16,011
but a mother with a new-born
faces a problem.
123
00:11:16,080 --> 00:11:18,879
How to feed
with a baby on board?
124
00:11:29,046 --> 00:11:32,577
Newborn otters are covered
with soft, downy fur
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00:11:32,648 --> 00:11:35,413
to keep them warm and buoyant.
126
00:11:35,480 --> 00:11:38,944
It takes three months to gain
the waterproof adult fur
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00:11:39,013 --> 00:11:40,712
needed to dive underwater.
128
00:11:41,914 --> 00:11:43,879
So, when he's wet
and bedraggled,
129
00:11:43,948 --> 00:11:46,548
the mother grooms
his fur and blows in air
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00:11:46,615 --> 00:11:48,781
to keep him dry and buoyant.
131
00:12:01,980 --> 00:12:04,812
Having spruced him up
into a floating fuzz-ball,
132
00:12:04,883 --> 00:12:07,949
she confidently leaves him
to bob about on his own.
133
00:12:11,914 --> 00:12:14,813
She's now free
to dive for food,
134
00:12:19,715 --> 00:12:23,014
leaving baby asleep
in his furry floatation suit.
135
00:12:37,816 --> 00:12:41,415
When he awakes,
he finds his mother has gone.
136
00:12:46,684 --> 00:12:50,347
He swims to reach her, but
he's now fighting the tide.
137
00:12:57,983 --> 00:13:00,882
But his mother
must eat while she can.
138
00:13:00,950 --> 00:13:03,082
The survival of both
depends on it.
139
00:13:10,617 --> 00:13:12,082
Her baby may be struggling,
140
00:13:12,151 --> 00:13:14,650
but here, mothers
believe in tough love.
141
00:13:16,552 --> 00:13:19,619
She can't miss
the opportunity to feed.
142
00:13:22,585 --> 00:13:25,484
No matter how vigourously
her baby swims,
143
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the current carries him away.
144
00:13:36,486 --> 00:13:40,116
But his mother is smarter and
more caring than she seems.
145
00:13:49,753 --> 00:13:51,751
Far from being neglectful,
146
00:13:51,819 --> 00:13:55,317
she's teaching her baby
a vital survival lesson.
147
00:14:01,387 --> 00:14:03,652
He's been born
into a tough world.
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00:14:03,719 --> 00:14:05,551
These sea swells are nothing
149
00:14:05,620 --> 00:14:07,786
compared with what
he'll face in the future.
150
00:14:12,022 --> 00:14:16,653
Intelligent animals spend a lot of
time teaching their youngsters.
151
00:14:16,721 --> 00:14:19,519
It's how
they pass on vital skills.
152
00:14:24,388 --> 00:14:26,286
Now, another lesson.
153
00:14:26,354 --> 00:14:29,951
In rough weather, sea otters
wrap themselves in kelp
154
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to use as an anchor.
155
00:14:36,888 --> 00:14:40,420
Sometimes, it helps to cosy
up with someone else.
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Spy Otter tries it out.
157
00:15:00,123 --> 00:15:02,856
Clearly, this is harder
than it looks.
158
00:15:07,689 --> 00:15:09,254
In this harsh environment,
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00:15:09,323 --> 00:15:12,656
the otters' intelligence
helps them eke out a living.
160
00:15:19,156 --> 00:15:21,822
The arid forests
of north-east Brazil
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could hardly
be more different,
162
00:15:23,857 --> 00:15:27,422
but here, too, necessity
is the mother of invention.
163
00:15:28,590 --> 00:15:30,122
It's so dry,
164
00:15:30,191 --> 00:15:33,756
bearded capuchins find
little in the way of fruit.
165
00:15:33,825 --> 00:15:38,755
Instead, they have to make do
with dried seeds and nuts.
166
00:15:38,823 --> 00:15:42,124
But these nuts
have incredibly hard shells.
167
00:15:44,858 --> 00:15:48,789
To crack them open,
they use stones as tools,
168
00:15:48,857 --> 00:15:51,356
some almost as
heavy as they are.
169
00:15:52,392 --> 00:15:53,889
It's a cultural tradition
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00:15:53,959 --> 00:15:56,791
that's thought to be
at least 700 years old.
171
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Spy Rock stakes out their
favourite nut-cracking site.
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It takes
both skill and intelligence
173
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to perfect the technique.
174
00:16:19,227 --> 00:16:21,426
But the rewards are great,
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even if a little bitter.
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00:16:28,360 --> 00:16:31,825
Rolling the nut
removes the unpleasant pith.
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00:16:37,459 --> 00:16:41,757
These techniques can take three
years or more to truly master.
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00:16:55,028 --> 00:16:58,626
First, he uses smell to
select the perfect nut,
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00:17:03,896 --> 00:17:06,094
then, looks for a good spot,
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00:17:06,162 --> 00:17:08,494
one where it won't roll away.
181
00:17:15,695 --> 00:17:17,828
It's a frustrating business.
182
00:17:21,530 --> 00:17:22,928
Success!
183
00:17:27,229 --> 00:17:31,027
But it's never that easy, and
a branch isn't a good choice.
184
00:17:43,430 --> 00:17:44,928
He's learning the hard way
185
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that wood is far too bouncy
to work as an anvil.
186
00:18:03,031 --> 00:18:06,397
There is only so much frustration
any monkey can take.
187
00:18:09,664 --> 00:18:11,931
Time to think this through.
188
00:18:14,199 --> 00:18:15,897
At around 18 months old,
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00:18:15,966 --> 00:18:21,464
young monkeys start seriously
practising using stone tools.
190
00:18:21,532 --> 00:18:26,163
Spy Rock is designed to be the
monkey's favourite shape and weight.
191
00:18:26,232 --> 00:18:29,366
But it's far too heavy
for a little one to lift.
192
00:18:30,664 --> 00:18:32,763
It may capture his interest,
193
00:18:34,499 --> 00:18:36,631
but it's no use to him at all.
194
00:18:44,265 --> 00:18:46,930
But could it work
for someone else?
195
00:19:08,035 --> 00:19:10,867
Spy Rock may be
the best weight for the job,
196
00:19:10,935 --> 00:19:13,368
but it takes
all his strength to lift it.
197
00:19:19,234 --> 00:19:21,332
This time, he's learnt
from his mistakes
198
00:19:21,403 --> 00:19:24,866
and picks an anvil used by
the more experienced monkeys.
199
00:19:27,035 --> 00:19:28,767
But will it do the trick?
200
00:20:15,671 --> 00:20:17,370
He's done it.
201
00:20:19,771 --> 00:20:21,869
It's a significant moment.
202
00:20:21,936 --> 00:20:24,669
Capuchins only survive
here by being smart,
203
00:20:24,738 --> 00:20:26,768
and learning
from trial and error,
204
00:20:26,838 --> 00:20:30,004
but such intelligence
is not confined to primates.
205
00:20:33,838 --> 00:20:36,305
In the cloud forests
of New Caledonia,
206
00:20:36,370 --> 00:20:38,137
an island east of Australia,
207
00:20:38,205 --> 00:20:40,904
lives one of the world's
cleverest birds,
208
00:20:45,137 --> 00:20:48,735
the New Caledonian crow.
209
00:20:48,806 --> 00:20:52,968
These crafty characters have many
ingenious ways of finding a meal.
210
00:20:56,805 --> 00:21:01,670
Spy Crow is here to film just what
these super-smart birds can do.
211
00:21:03,005 --> 00:21:06,535
This one has found
the fruit of a candlenut tree.
212
00:21:08,307 --> 00:21:10,039
It's a hard nut to crack,
213
00:21:10,107 --> 00:21:13,239
and her beak
is not up for the job.
214
00:21:13,306 --> 00:21:16,671
Fortunately, she has
an ingenious solution.
215
00:21:18,173 --> 00:21:21,506
She places it
in the cleft of a tree.
216
00:21:21,574 --> 00:21:25,036
One with a stone
directly beneath.
217
00:21:25,107 --> 00:21:27,906
Spy Crow is in
one of the few secret spots
218
00:21:27,974 --> 00:21:29,606
where a branch
of the correct height
219
00:21:29,673 --> 00:21:31,739
is perfectly aligned
with a rock below.
220
00:21:35,174 --> 00:21:38,507
The crow takes aim
with meticulous precision.
221
00:21:40,539 --> 00:21:42,972
Then, bombs away!
222
00:21:49,008 --> 00:21:51,740
But these
are seriously tough nuts.
223
00:21:57,808 --> 00:22:00,674
So around here,
crows don't give up easily.
224
00:22:11,174 --> 00:22:13,673
This time, she's cracked it.
225
00:22:16,109 --> 00:22:18,875
But the crow's intelligence
doesn't end here.
226
00:22:18,943 --> 00:22:21,708
To enjoy the opportunities
the forest has to offer,
227
00:22:21,775 --> 00:22:23,506
it pays to be creative.
228
00:22:26,276 --> 00:22:28,673
Even the rotting trunks
of candlenut trees
229
00:22:28,741 --> 00:22:30,575
contain hidden treasures.
230
00:22:32,108 --> 00:22:34,674
It just takes a bit
of know-how to find them.
231
00:22:37,611 --> 00:22:40,776
A fat and juicy
longhorned beetle larva.
232
00:22:42,176 --> 00:22:44,808
To capture the crow's
ingenious hunting skills,
233
00:22:44,878 --> 00:22:48,110
a Spy Grub is concealed
in the rotten wood.
234
00:22:59,943 --> 00:23:03,440
The crow's keen vision
soon pinpoints the real larva,
235
00:23:03,510 --> 00:23:05,476
but it won't be easy to reach.
236
00:23:09,276 --> 00:23:12,676
However, this is
a bird with a plan.
237
00:23:16,978 --> 00:23:19,711
She selects a tool
of the perfect length.
238
00:23:23,010 --> 00:23:27,410
Under Spy Crow's watchful eye,
she probes deep into the hole,
239
00:23:31,779 --> 00:23:35,079
dextrously aiming
for the larva's jaws.
240
00:23:36,513 --> 00:23:38,878
Its bite seals its fate.
241
00:23:42,481 --> 00:23:46,444
The crow disarms the larva
by removing its powerful jaws.
242
00:23:50,845 --> 00:23:53,312
The grubs are
so large and nutritious,
243
00:23:53,382 --> 00:23:55,546
a few a day is all she needs.
244
00:23:57,081 --> 00:23:59,179
Caledonian crows
acquire their knowledge
245
00:23:59,246 --> 00:24:02,046
through both practise
and learning from others.
246
00:24:05,146 --> 00:24:08,778
The crow calls down a young family
member for some one-to-one tuition.
247
00:24:13,115 --> 00:24:15,979
What makes
Caledonian crows so special
248
00:24:16,047 --> 00:24:19,879
is their skill at manufacturing
the right tool for the job.
249
00:24:22,047 --> 00:24:24,612
First, she removes
the leafy end.
250
00:24:26,313 --> 00:24:30,647
She holds it on her left side,
a matter of personal choice.
251
00:24:37,648 --> 00:24:39,448
She makes it look so easy.
252
00:24:42,050 --> 00:24:44,349
Time for the juvenile
to have a go.
253
00:24:52,649 --> 00:24:54,781
But it doesn't quite reach.
254
00:25:03,549 --> 00:25:05,014
This should do the trick.
255
00:25:09,681 --> 00:25:12,047
But he's got to get
the grub to bite,
256
00:25:12,118 --> 00:25:13,683
and that's not so easy.
257
00:25:18,717 --> 00:25:21,083
It's tantalisingly close.
258
00:25:33,518 --> 00:25:37,918
The stick is a bit too long,
so he decides to shorten it.
259
00:25:37,985 --> 00:25:39,650
It's now spot-on.
260
00:25:43,652 --> 00:25:46,784
His newly-acquired skills
pay off.
261
00:25:50,319 --> 00:25:53,618
Spy Crow tests
how difficult it really is.
262
00:26:03,318 --> 00:26:05,584
Now, that's what's called
beginner's luck!
263
00:26:09,119 --> 00:26:10,817
Crows are certainly smart,
264
00:26:10,887 --> 00:26:12,586
but when it comes
to using tools,
265
00:26:12,653 --> 00:26:15,619
our nearest animal
relatives are king.
266
00:26:17,588 --> 00:26:20,220
In Senegal,
the chimps' favourite snacks
267
00:26:20,288 --> 00:26:22,951
are found in these huge
termite mounds.
268
00:26:23,019 --> 00:26:25,920
And they, too,
use sticks to catch them.
269
00:26:27,487 --> 00:26:29,419
The chimps fish out termites
270
00:26:29,487 --> 00:26:31,486
by getting them
to bite the sticks.
271
00:26:35,686 --> 00:26:37,286
Youngsters learn to make
these simple tools
272
00:26:37,353 --> 00:26:38,852
by watching the adults.
273
00:26:45,754 --> 00:26:47,954
But stealing
from Mum is easier.
274
00:26:51,521 --> 00:26:54,954
Better still, he's been
given one to practise with.
275
00:26:57,855 --> 00:27:02,152
Even at this age, they start
adapting what they have,
276
00:27:02,223 --> 00:27:06,088
then graduate to selecting and
modifying their own sticks.
277
00:27:09,190 --> 00:27:11,321
There's quite an art
to using them.
278
00:27:11,388 --> 00:27:15,453
It takes a good four to five
years to perfect the technique.
279
00:27:19,090 --> 00:27:22,788
Termites have a painful bite,
so they need to be careful.
280
00:27:33,991 --> 00:27:37,357
The chimps' mastery
of sticks doesn't end here.
281
00:27:41,058 --> 00:27:43,723
This is Spy Bushbaby.
282
00:27:43,792 --> 00:27:46,825
He's based on an animal
they naturally hunt.
283
00:27:52,158 --> 00:27:56,723
Hiding in his protective log,
he's arousing great curiosity.
284
00:28:04,491 --> 00:28:06,257
All seems calm,
285
00:28:06,324 --> 00:28:09,788
but this young male
is reaching maturity.
286
00:28:09,857 --> 00:28:13,355
So, when a female arrives,
he's desperate to impress.
287
00:28:20,259 --> 00:28:23,558
And this bushbaby
is bigger than normal,
288
00:28:23,626 --> 00:28:27,456
so it could be the male's
chance to make an impression.
289
00:28:27,526 --> 00:28:31,858
He checks she's watching,
and begins his performance.
290
00:28:37,625 --> 00:28:39,023
For her eyes only,
291
00:28:39,093 --> 00:28:41,726
an ostentatious
show of bravado.
292
00:28:43,493 --> 00:28:45,991
A classic case of showing off.
293
00:28:48,261 --> 00:28:49,992
He checks she's still looking,
294
00:28:54,727 --> 00:28:56,559
then ups the ante.
295
00:29:04,093 --> 00:29:07,092
Branches make
a flamboyant weapon.
296
00:29:16,729 --> 00:29:18,994
But she's seen
straight through him.
297
00:29:23,394 --> 00:29:25,394
It's all a bit embarrassing.
298
00:29:29,695 --> 00:29:33,493
Trying to impress a female
by taking on Spy Bushbaby
299
00:29:33,563 --> 00:29:35,562
was somewhat ill-advised.
300
00:29:37,996 --> 00:29:41,861
Females are the experts
at hunting real bush babies.
301
00:29:42,963 --> 00:29:45,260
They use
a well-crafted weapon,
302
00:29:45,328 --> 00:29:47,359
a spear.
303
00:29:47,429 --> 00:29:50,629
During the day, when their
prey hide in hollow trees,
304
00:29:50,697 --> 00:29:53,463
the chimps use sharpened
sticks to catch them.
305
00:29:55,996 --> 00:29:58,527
The best hunters continually
modify their weapon
306
00:29:58,598 --> 00:30:00,896
to suit the shape
and depth of the hole.
307
00:30:06,963 --> 00:30:10,195
The male has
a less refined technique.
308
00:30:10,263 --> 00:30:11,994
His spear isn't even straight.
309
00:30:21,932 --> 00:30:26,429
It's a huge contrast with the
considered expertise of the female.
310
00:30:34,398 --> 00:30:36,863
The male favours brute force.
311
00:30:44,097 --> 00:30:47,862
When the stick breaks,
he even tries to scare it out.
312
00:30:49,967 --> 00:30:53,531
Fortunately, the youngsters
generally learn from their mother.
313
00:30:57,531 --> 00:30:59,298
But, the male perseveres,
314
00:30:59,367 --> 00:31:02,665
and this time, he's made a bit
more effort with his spear.
315
00:31:04,798 --> 00:31:07,597
It's just a shame
he didn't make it shorter.
316
00:31:13,734 --> 00:31:16,700
There's little
for a young one to learn here.
317
00:31:22,833 --> 00:31:24,165
For the youngsters,
318
00:31:24,233 --> 00:31:26,500
just making a stick
is an achievement.
319
00:31:33,000 --> 00:31:36,565
Making one long and strong
enough is even harder.
320
00:31:40,701 --> 00:31:42,832
It's both
technically complicated,
321
00:31:42,900 --> 00:31:44,965
and hugely frustrating.
322
00:31:50,701 --> 00:31:54,700
Even for the experts, there
are no guarantees of success.
323
00:32:00,335 --> 00:32:05,199
The bushbaby squeezes out,
and in a flash, it's gone.
324
00:32:09,635 --> 00:32:10,967
But there is one bushbaby
325
00:32:11,036 --> 00:32:13,768
that might
just be easier to catch.
326
00:32:16,271 --> 00:32:18,369
This female comes prepared,
327
00:32:23,768 --> 00:32:26,869
but uses a thicker branch
to test the reaction.
328
00:32:33,902 --> 00:32:35,900
She fashions a better weapon,
329
00:32:42,271 --> 00:32:44,735
but then, has second thoughts.
330
00:32:44,804 --> 00:32:46,535
She tickles it instead.
331
00:32:52,537 --> 00:32:56,102
Spy Bushbaby
lives to spy another day.
332
00:33:01,738 --> 00:33:06,602
Intelligence allows animals
to solve complex problems.
333
00:33:06,673 --> 00:33:08,670
The inhabitants
of the Amazon Rainforest
334
00:33:08,738 --> 00:33:11,170
have their own wealth
of specialist knowledge.
335
00:33:12,238 --> 00:33:15,104
This is Spy Sloth.
336
00:33:15,172 --> 00:33:19,702
He's here to reveal how the animals
find and use jungle remedies.
337
00:33:22,840 --> 00:33:27,170
25% of our medicines were
discovered in the rainforest,
338
00:33:27,240 --> 00:33:30,473
but its animal inhabitants
know of many more.
339
00:33:32,873 --> 00:33:36,537
He soon attracts the interest
of a real three-toed sloth.
340
00:33:45,074 --> 00:33:50,107
Their first encounter
is a very slow affair.
341
00:34:02,908 --> 00:34:07,573
Spy Sloth's close-up view
reveals something remarkable.
342
00:34:09,674 --> 00:34:14,541
It's fur is crawling
with other life.
343
00:34:14,608 --> 00:34:19,139
Up to 900 moths and beetles
can live on a single sloth.
344
00:34:21,842 --> 00:34:25,109
They aerate his fur
and prevent infections.
345
00:34:29,243 --> 00:34:30,840
As well as the insects,
346
00:34:30,907 --> 00:34:34,439
84 different fungi
also thrive here.
347
00:34:34,509 --> 00:34:37,273
Many are antibiotic
or antimalarial,
348
00:34:37,342 --> 00:34:40,941
and some have been shown
to destroy cancer cells.
349
00:34:44,277 --> 00:34:47,609
Usually, there is
only one sloth per tree,
350
00:34:47,676 --> 00:34:51,009
so this requires
some careful negotiation.
351
00:35:00,610 --> 00:35:04,975
It's not just the sloth's fur that
harbours a medical treasure trove.
352
00:35:05,044 --> 00:35:07,910
So, it seems,
does the tree it eats.
353
00:35:09,610 --> 00:35:12,542
Cecropia is renowned
by indigenous people
354
00:35:12,609 --> 00:35:15,543
for its curative properties.
355
00:35:15,610 --> 00:35:18,042
It's used to ward off
aches and pains,
356
00:35:18,111 --> 00:35:19,308
treat asthma,
357
00:35:19,376 --> 00:35:22,442
and is even an effective
diabetes treatment.
358
00:35:31,813 --> 00:35:34,078
But sloths aren't the only
animals who have discovered
359
00:35:34,145 --> 00:35:36,543
the rainforest's
medicinal secrets.
360
00:35:41,044 --> 00:35:44,943
Macaws are one of the most
intelligent birds in the world,
361
00:35:45,012 --> 00:35:48,576
and they, too, have extensive
knowledge of jungle remedies.
362
00:35:52,747 --> 00:35:57,011
They gather on these muddy cliffs
for a very particular reason.
363
00:35:58,779 --> 00:36:02,578
To find out why,
Spy Macaw joins the flock.
364
00:36:14,880 --> 00:36:16,511
Cavities mined in the cliffs
365
00:36:16,580 --> 00:36:18,846
reveal the reason
for its attraction.
366
00:36:19,648 --> 00:36:21,145
They eat clay,
367
00:36:21,212 --> 00:36:23,778
a special kind, with
therapeutic qualities.
368
00:36:29,080 --> 00:36:30,778
When food is scarce,
369
00:36:30,849 --> 00:36:34,946
macaws are forced to eat fruit and
seeds containing natural poisons.
370
00:36:35,013 --> 00:36:38,944
This clay
provides the antidote.
371
00:36:39,014 --> 00:36:42,046
It helps neutralise
the toxins in their stomachs,
372
00:36:42,113 --> 00:36:43,847
and prevents
them being absorbed.
373
00:36:45,848 --> 00:36:47,979
In the muddy clay pools below,
374
00:36:48,050 --> 00:36:52,148
other jungle inhabitants are also
seeking remedies of their own.
375
00:36:53,816 --> 00:36:56,482
These are
white-lipped peccaries.
376
00:36:58,182 --> 00:37:01,181
They, too, come
for the health-giving mud.
377
00:37:01,248 --> 00:37:05,548
Spy Peccary has a poolside view
of all the comings and goings.
378
00:37:06,682 --> 00:37:08,147
Like macaws,
379
00:37:08,217 --> 00:37:11,016
peccaries also need help
with their digestion.
380
00:37:14,250 --> 00:37:18,214
And there are other valuable
ingredients in this special mud,
381
00:37:18,283 --> 00:37:21,516
mineral supplements
they can't get elsewhere.
382
00:37:31,016 --> 00:37:33,248
Trips to this
rainforest pharmacy
383
00:37:33,317 --> 00:37:37,381
are a vital part
of the peccaries' lives.
384
00:37:37,450 --> 00:37:41,581
Spy Peccary's presence helps
reassure the nervous visitors
385
00:37:41,651 --> 00:37:45,017
that this clay lick
is safe and predator-free.
386
00:37:47,584 --> 00:37:50,148
Like macaws,
dusky-billed parrotlets
387
00:37:50,219 --> 00:37:52,917
use clay to combat
toxins in their diet,
388
00:37:52,984 --> 00:37:55,650
and gain mineral supplements
in the process.
389
00:37:58,819 --> 00:38:00,450
For male butterflies,
390
00:38:00,519 --> 00:38:03,651
the salts they sip from the
mud are needed for breeding.
391
00:38:05,452 --> 00:38:09,650
When they mate, they pass these
vital minerals to the females.
392
00:38:11,519 --> 00:38:13,050
As the crowds build,
393
00:38:13,119 --> 00:38:16,385
the most secretive creature
of them all pays a visit.
394
00:38:19,954 --> 00:38:24,518
A tapir, a distant relative
of horses and rhinos.
395
00:38:30,119 --> 00:38:32,951
He needs the clay
to kill harmful bacteria
396
00:38:33,020 --> 00:38:35,486
and balance
the acids in his stomach.
397
00:38:43,587 --> 00:38:45,250
Reassured by the gathering,
398
00:38:45,321 --> 00:38:48,086
yet more skittish
creatures arrive.
399
00:38:49,820 --> 00:38:51,885
Black spider monkeys.
400
00:38:55,654 --> 00:38:59,719
Spy Monkey is also filming
and, like Spy Peccary,
401
00:38:59,787 --> 00:39:01,752
his presence
reassures the troop...
402
00:39:01,822 --> 00:39:04,187
that that there
are no predators around.
403
00:39:06,453 --> 00:39:09,886
The monkeys' diet of fruit
lacks essential minerals,
404
00:39:09,953 --> 00:39:13,552
including magnesium, iron,
calcium and phosphorus.
405
00:39:15,122 --> 00:39:18,122
But here, they get all
the supplements they need.
406
00:39:23,155 --> 00:39:25,921
The knowledge of the health-giving
properties of the clay
407
00:39:25,989 --> 00:39:28,053
is passed down
the generations...
408
00:39:28,122 --> 00:39:29,620
from mother to baby.
409
00:39:32,757 --> 00:39:36,054
It's a magical scene, with so
many different creatures
410
00:39:36,123 --> 00:39:40,522
taking advantage of the healing
power of this miraculous mud.
411
00:39:51,322 --> 00:39:53,454
Perhaps one day,
rainforest medicines
412
00:39:53,524 --> 00:39:55,790
will lead us
to more human cures.
413
00:39:57,856 --> 00:39:59,187
Having taken their treatment,
414
00:39:59,256 --> 00:40:01,187
the macaws
return to the jungle,
415
00:40:01,255 --> 00:40:03,421
and its boundless riches.
416
00:40:10,657 --> 00:40:11,990
In North America,
417
00:40:12,057 --> 00:40:14,423
the forest's bounty
is much more fleeting.
418
00:40:15,756 --> 00:40:17,155
So, for grey squirrels,
419
00:40:17,224 --> 00:40:20,423
surviving the winter
needs both brain power
420
00:40:20,491 --> 00:40:22,957
and maybe even
a criminal mind.
421
00:40:26,892 --> 00:40:31,590
Each autumn, a squirrel
buries around 10,000 nuts.
422
00:40:31,659 --> 00:40:33,490
Its memory is so phenomenal,
423
00:40:33,558 --> 00:40:36,090
it can retrieve
up to 4,000 of them.
424
00:40:37,792 --> 00:40:40,258
To achieve this feat,
as winter approaches,
425
00:40:40,325 --> 00:40:42,956
the area of the brain
responsible for memory
426
00:40:43,025 --> 00:40:44,991
enlarges 15%.
427
00:40:46,959 --> 00:40:51,457
The squirrels show
another brainy trait, cunning.
428
00:40:53,192 --> 00:40:55,558
A Spy Squirrel, bearing gifts,
429
00:40:55,628 --> 00:40:58,093
is ready to record their
devious behaviour.
430
00:41:04,293 --> 00:41:06,159
He looks a soft touch,
431
00:41:07,826 --> 00:41:10,959
but the squirrel
needs to be sure.
432
00:41:11,026 --> 00:41:13,960
He lashes his tail
to show confidence.
433
00:41:15,560 --> 00:41:17,759
Fluffing it up
makes him appear bigger,
434
00:41:17,826 --> 00:41:19,191
and shows who's boss.
435
00:41:32,194 --> 00:41:36,426
Spy Squirrel is a pushover.
He's going to be popular.
436
00:41:39,961 --> 00:41:42,660
The nut is immediately
stashed away,
437
00:41:44,162 --> 00:41:47,061
but clever minds
can also be devious,
438
00:41:49,962 --> 00:41:53,494
and this squirrel watches
where the nut is hidden.
439
00:41:55,395 --> 00:41:58,794
As soon as it's buried,
she makes her move.
440
00:42:05,628 --> 00:42:07,360
Okay, if you don't get caught,
441
00:42:07,431 --> 00:42:09,395
but there's
big trouble if you do.
442
00:42:37,863 --> 00:42:40,996
The duped squirrel needs
to be craftier this time.
443
00:42:46,729 --> 00:42:49,328
The crook
may still be watching,
444
00:42:49,399 --> 00:42:51,197
but this is what he wants.
445
00:42:52,765 --> 00:42:55,232
In a shameless display
of overacting,
446
00:42:55,299 --> 00:42:57,631
he pretends to bury his nut.
447
00:43:06,333 --> 00:43:09,165
The thief waits until
the performance is over,
448
00:43:13,134 --> 00:43:15,165
then quietly sneaks in.
449
00:43:17,598 --> 00:43:20,330
But there's no nut
to pilfer here.
450
00:43:20,399 --> 00:43:22,032
Hardly surprising.
451
00:43:22,100 --> 00:43:25,466
It's stashed in his
intended victim's mouth.
452
00:43:29,699 --> 00:43:32,031
With the nut raider
preoccupied,
453
00:43:32,098 --> 00:43:34,998
he can either eat it,
or bury it secretly.
454
00:43:37,701 --> 00:43:40,601
But the thief hasn't abandoned
her life of crime.
455
00:43:41,831 --> 00:43:43,998
Spy Squirrel has a new nut.
456
00:43:45,033 --> 00:43:46,766
One with a camera.
457
00:43:57,269 --> 00:43:59,099
Theft is such an easy option,
458
00:43:59,166 --> 00:44:00,765
around a fifth
of all squirrels
459
00:44:00,835 --> 00:44:03,501
steal nuts,
rather than forage for them.
460
00:44:07,902 --> 00:44:11,034
It's a crafty way of letting
others do the hard work.
461
00:44:21,769 --> 00:44:25,102
But this time, the thief
has picked the wrong nut.
462
00:44:37,435 --> 00:44:39,867
When the snow finally arrives,
463
00:44:39,935 --> 00:44:44,066
the squirrel's phenomenal
memory map comes into its own.
464
00:44:53,902 --> 00:44:58,702
Their hidden stores keep these crafty
little creatures alive until spring.
465
00:45:04,470 --> 00:45:08,934
In a cold, harsh winter,
deception can be a life-saver.
466
00:45:12,770 --> 00:45:15,369
On the sun-drenched
African savannah,
467
00:45:15,438 --> 00:45:17,836
subterfuge is
just as important,
468
00:45:17,904 --> 00:45:20,036
but for a very
different reason.
469
00:45:21,204 --> 00:45:23,969
Here, a male ostrich
and his mate
470
00:45:24,038 --> 00:45:27,603
will raise the offspring of up
to five of his other females.
471
00:45:36,705 --> 00:45:38,837
They put all their eggs
in one basket,
472
00:45:38,906 --> 00:45:41,571
creating one huge nest.
473
00:45:44,939 --> 00:45:48,404
Joining them,
is Spy Ostrich Chick.
474
00:45:54,906 --> 00:45:57,272
For the male,
it's just another member
475
00:45:57,339 --> 00:45:59,538
of his ever-expanding brood.
476
00:46:07,707 --> 00:46:09,871
Spy Chick
is in the perfect spot...
477
00:46:09,940 --> 00:46:13,471
as new life hatches all around.
478
00:46:25,774 --> 00:46:28,574
This Spy Creature receives
the same devotion
479
00:46:28,641 --> 00:46:30,874
and protection
as the real chicks.
480
00:46:41,875 --> 00:46:43,939
With a large brood
to look after,
481
00:46:44,006 --> 00:46:46,839
ostriches are always
alert for danger.
482
00:46:47,407 --> 00:46:48,838
A leopard.
483
00:47:01,075 --> 00:47:04,639
All the young can do is
stick close to their father.
484
00:47:11,976 --> 00:47:14,742
But the female
is a master of deception.
485
00:47:17,578 --> 00:47:19,174
When there's nowhere to hide,
486
00:47:19,243 --> 00:47:23,475
making yourself conspicuous
is the next-best option.
487
00:47:32,108 --> 00:47:34,408
She launches
a carefully planned
488
00:47:34,478 --> 00:47:37,210
and ostentatious display,
489
00:47:37,278 --> 00:47:40,377
one designed to catch
the leopard's attention,
490
00:47:40,444 --> 00:47:43,477
luring him away from where
the babies are hiding.
491
00:47:48,078 --> 00:47:51,177
She pretends she's
injured and helpless,
492
00:47:51,246 --> 00:47:53,810
so tantalising for a predator
493
00:47:53,877 --> 00:47:56,476
the leopard
can't resist following.
494
00:48:11,112 --> 00:48:14,543
But he eventually realises
he's been had.
495
00:48:14,612 --> 00:48:16,979
There will be
no easy meal today.
496
00:48:20,546 --> 00:48:24,644
With the leopard lured away,
the parents can relax.
497
00:48:33,146 --> 00:48:35,912
As much as you can,
with 20 young in tow.
498
00:48:45,747 --> 00:48:48,881
But, perhaps the cleverest
scam in the animal world
499
00:48:48,948 --> 00:48:52,612
can be found in South Africa's
Kalahari Desert.
500
00:48:56,881 --> 00:49:01,212
At the heart of this deception
is the drongo,
501
00:49:01,283 --> 00:49:04,881
a bird that likes
to hang out with meerkats.
502
00:49:06,915 --> 00:49:09,914
To delve deeper into the
crafty world of the drongo,
503
00:49:09,981 --> 00:49:12,415
a new spy camera is needed.
504
00:49:15,050 --> 00:49:19,513
Spy Termite Mound is a natural
part of the landscape,
505
00:49:19,582 --> 00:49:21,680
except it can move,
506
00:49:21,750 --> 00:49:24,549
and, of course,
it has a camera.
507
00:49:29,281 --> 00:49:31,814
The meerkats feel at home
with this new arrival,
508
00:49:31,883 --> 00:49:34,115
and continue
to forage for insects.
509
00:49:36,683 --> 00:49:38,180
While they eat,
510
00:49:38,249 --> 00:49:41,449
a meerkat is on sentry duty,
looking for danger.
511
00:49:43,916 --> 00:49:48,279
Spy Termite Mound gives
a little bit of extra height.
512
00:49:48,350 --> 00:49:52,248
Drongos have keen eyesight,
and as they can perch higher,
513
00:49:52,317 --> 00:49:55,015
they often spot
the danger first.
514
00:49:55,084 --> 00:49:59,015
Martial eagles
are a serious threat.
515
00:49:59,084 --> 00:50:02,581
The drongo's alarm
alerts the meerkats.
516
00:50:05,817 --> 00:50:08,617
They, in turn,
call and run for cover.
517
00:50:19,285 --> 00:50:23,950
Having their own lookout bird helps
the meerkats spend more time feeding.
518
00:50:29,219 --> 00:50:30,884
But there is a price to pay.
519
00:50:35,085 --> 00:50:37,917
The drongo isn't quite
as selfless as he seems,
520
00:50:37,986 --> 00:50:41,616
and has learnt to turn
this alarm to his advantage.
521
00:50:43,252 --> 00:50:46,385
He becomes an expert
on their habits...
522
00:50:46,452 --> 00:50:49,185
learning that when
an adult finds food,
523
00:50:49,252 --> 00:50:51,918
it calls out
to the youngsters to share.
524
00:50:54,622 --> 00:50:57,352
As the food
is about to be exchanged,
525
00:50:57,421 --> 00:50:59,119
the drongo calls the alarm...
526
00:51:01,488 --> 00:51:03,085
but this time,
it's a trick.
527
00:51:03,152 --> 00:51:06,351
As the meerkats abandon
their food and flee,
528
00:51:06,419 --> 00:51:09,051
the drongo steals their meal.
529
00:51:19,753 --> 00:51:21,186
Onto a good thing,
530
00:51:21,255 --> 00:51:23,185
the drongo tries again.
531
00:51:27,087 --> 00:51:29,620
But the meerkats know
when they've been duped.
532
00:51:33,987 --> 00:51:37,452
And this time,
no one reacts at all.
533
00:51:38,722 --> 00:51:41,821
So the drongo takes it
to the next level...
534
00:51:44,387 --> 00:51:47,522
but even screaming the alarm
in their face doesn't work.
535
00:51:51,054 --> 00:51:52,752
The meerkats are smart enough
536
00:51:52,822 --> 00:51:54,988
to know a cheat
when they hear one.
537
00:51:55,055 --> 00:51:56,186
Or are they?
538
00:51:56,256 --> 00:51:58,355
The drongo has
another trick to pull.
539
00:52:00,156 --> 00:52:03,889
This time, the drongo mimics
the meerkats' own alarm call.
540
00:52:08,021 --> 00:52:11,853
It's so accurate,
the meerkats are duped again.
541
00:52:19,758 --> 00:52:21,822
Drongos get over a fifth
of their daily meals
542
00:52:21,889 --> 00:52:24,923
by making false alarms
and stealing.
543
00:52:29,957 --> 00:52:31,955
When he's exhausted
all his tricks,
544
00:52:32,023 --> 00:52:34,322
he tries
a more brazen approach.
545
00:52:44,026 --> 00:52:46,491
But he's pushed
his luck too far.
546
00:52:46,558 --> 00:52:49,425
He must try
his scams elsewhere.
547
00:52:53,457 --> 00:52:56,623
The intelligence of animals
is sometimes so extraordinary,
548
00:52:56,692 --> 00:52:58,957
it can truly amaze.
549
00:53:04,225 --> 00:53:05,757
In Borneo,
550
00:53:05,828 --> 00:53:08,560
the orang-utans have ventured
back to the human world,
551
00:53:08,627 --> 00:53:10,458
and are bathing in the river.
552
00:53:14,625 --> 00:53:17,658
One of the spy cameras
is soon spotted,
553
00:53:24,361 --> 00:53:26,825
inadvertently filming
an intimate moment
554
00:53:26,892 --> 00:53:29,591
when the pair
enjoy the cooling water.
555
00:53:52,828 --> 00:53:57,758
The images captured show an animal
with extraordinary mental capacity,
556
00:53:57,826 --> 00:54:00,258
one that contemplates
and considers
557
00:54:00,329 --> 00:54:02,194
in a way we recognise.
558
00:54:14,827 --> 00:54:17,160
Then, something happens
that confirms
559
00:54:17,229 --> 00:54:20,760
just how similar their way
of thinking is to our own.
560
00:54:22,996 --> 00:54:27,060
At a jungle hut,
this female finds a saw.
561
00:54:32,895 --> 00:54:34,926
Despite being totally wild,
562
00:54:34,997 --> 00:54:37,963
somehow she has worked out
what to do with it.
563
00:54:41,964 --> 00:54:45,296
Like us, orang-utans have
an opposable thumb
564
00:54:45,364 --> 00:54:48,861
that allows them to grasp and
handle objects with precision.
565
00:54:51,163 --> 00:54:55,094
Over 20 years ago, a rescue
orang-utan learnt how to saw
566
00:54:55,164 --> 00:54:58,994
by watching people
constructing the huts here,
567
00:54:59,064 --> 00:55:02,629
but this is a totally
different and wild orang-utan.
568
00:55:03,830 --> 00:55:06,797
She seems to take pride
in her work,
569
00:55:07,898 --> 00:55:10,129
even clearing
away the sawdust.
570
00:55:19,066 --> 00:55:20,429
She's so smart,
571
00:55:20,498 --> 00:55:23,696
she uses her feet as a vise
to steady the branch.
572
00:55:27,364 --> 00:55:30,296
Filming a wild-born
and free-living orang-utan
573
00:55:30,365 --> 00:55:34,098
mastering this complex task
is remarkable.
574
00:55:37,898 --> 00:55:41,097
But now, she's not the only
orang-utan sawing.
575
00:55:45,232 --> 00:55:47,831
Spy Orang-utan has joined her.
576
00:55:55,300 --> 00:55:58,699
It seems to be bringing out
a competitive streak.
577
00:55:58,765 --> 00:56:00,864
She's becoming
even more enthusiastic.
578
00:56:18,169 --> 00:56:22,100
But, for a novice,
sawing is tiring work.
579
00:56:23,535 --> 00:56:25,433
She's lost all momentum.
580
00:56:30,769 --> 00:56:33,934
Then, finally, calls it a day.
581
00:56:34,002 --> 00:56:37,199
Spy Orang-utan may have
machine-like stamina,
582
00:56:37,268 --> 00:56:40,033
but it's the astonishing
and versatile mind
583
00:56:40,102 --> 00:56:42,800
of the real orang-utan,
that's won the day.
584
00:56:42,867 --> 00:56:45,700
She's certainly
earned her rest.
585
00:56:50,701 --> 00:56:53,200
In the animal world,
intelligence shows itself
586
00:56:53,267 --> 00:56:56,799
in ways that, once, we would
never have thought possible.
587
00:56:56,868 --> 00:56:59,800
From the cleverness
of using tools,
588
00:56:59,870 --> 00:57:02,170
to the craftiness
of deception.
589
00:57:03,536 --> 00:57:04,900
Through problem-solving,
590
00:57:06,271 --> 00:57:08,735
to making weapons,
591
00:57:08,804 --> 00:57:12,202
or finding jungle cures,
592
00:57:12,271 --> 00:57:15,236
we're only
just starting to realise
593
00:57:15,303 --> 00:57:18,269
how clever animals really are.
594
00:57:20,370 --> 00:57:23,901
Next time, the Spy Creatures look at
extraordinary animal friendships,
595
00:57:23,972 --> 00:57:27,639
to see how similar
many of them are to our own.
596
00:57:28,305 --> 00:57:34,700
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