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This growing habitat on the planet.
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A land of opportunity.
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For animals of all shapes...
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and sizes.
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00:00:25,440 --> 00:00:27,640
This unnatural world...
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presents unique challenges.
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But for those able to adapt...
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00:00:41,100 --> 00:00:45,920
and take advantage...
of the riches on offer...
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the urban jungle... is quickly...
becoming the new wild.
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00:01:12,630 --> 00:01:14,030
The daily routine.
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Wake up.
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Get up.
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Get to work.
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00:01:22,030 --> 00:01:23,030
And then...
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over half a billion people across the
world... commute into cities every day.
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In search of their pot of gold.
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00:01:46,780 --> 00:01:47,860
But they're not alone.
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The world's wildlife is following suit.
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00:02:00,280 --> 00:02:01,560
Be it by land...
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00:02:04,240 --> 00:02:05,240
underground...
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00:02:06,220 --> 00:02:07,420
or by air.
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00:02:09,480 --> 00:02:12,280
Animals are travelling
into the world... cities...
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seeking their own fortune.
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Please mind the gap... between
the train... and the platform.
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They are becoming...
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wild commuters.
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00:02:38,340 --> 00:02:41,540
This female African
penguin... is guarding a nest...
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00:02:44,180 --> 00:02:46,100
in the most surprising of places.
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00:02:49,840 --> 00:02:53,081
A back garden in South
Africa's... second biggest city.
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00:03:00,170 --> 00:03:03,171
The African penguin
population... has crashed.
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00:03:03,210 --> 00:03:06,330
Dropping by 80%...
in the last 50 years.
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00:03:07,550 --> 00:03:11,530
Due to food shortage...
pollution... and habitat destruction.
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00:03:14,030 --> 00:03:16,812
But this female...
and others like her...
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00:03:16,813 --> 00:03:20,151
have found temporary
sanctuary... in the city.
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The hustle and bustle...
helps keep predators away.
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00:03:27,230 --> 00:03:30,150
The female has spent...
the day guarding the nest...
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while her partner...
has been away fishing.
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00:03:34,110 --> 00:03:36,371
Her weight low...
is almost over.
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00:03:39,550 --> 00:03:41,771
He has come ashore...
on a nearby beach.
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00:03:43,070 --> 00:03:46,351
But now... he must find
his way... back to her.
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00:03:51,600 --> 00:03:52,600
He's not alone.
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00:03:53,340 --> 00:03:56,241
Other penguins... have
also arrived... on a beach.
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00:03:58,080 --> 00:04:00,700
And are getting a lot...
of unwanted attention.
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Keen to get back...
to their mates.
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The group... known
as a waddle...
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continue their journey.
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Penguins are more used... to
hopping over boulders... than steps.
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00:04:26,340 --> 00:04:28,641
But the same
skills... seem to apply.
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They stick
together... for safety.
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In the ocean... they are at
risk... from great white sharks.
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But crossing the city...
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they face something...
potentially... even more dangerous.
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00:05:05,080 --> 00:05:06,080
Cars.
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00:05:08,740 --> 00:05:11,400
The penguins...
have hit rush hour.
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00:05:15,160 --> 00:05:20,161
The only way... back to the nest... is
on the city's roads... and pavements.
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00:05:25,980 --> 00:05:28,241
Exposed to the
hectic... streets...
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they have become... disoriented.
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And the group... scatters.
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00:05:42,750 --> 00:05:45,591
Some shelter in... the
roadside... vegetation.
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00:05:46,200 --> 00:05:48,391
Others take
cover... in the drains.
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00:05:54,450 --> 00:05:56,811
Whilst a few... lose
their way... completely.
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00:06:02,400 --> 00:06:04,381
The waddle... has broken down.
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00:06:07,870 --> 00:06:09,130
And worst of all...
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Well, they still need to find their
partners.
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00:06:17,370 --> 00:06:19,050
African penguins are monogamous.
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The lifelong bond between the female and
the male is unbreakable.
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00:06:28,570 --> 00:06:32,370
And he'll do whatever it takes to find his
way back to her.
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00:06:34,140 --> 00:06:35,590
He just needs to bide his time.
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00:06:39,130 --> 00:06:40,290
And as night descends...
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he makes his move.
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00:06:50,010 --> 00:06:52,990
And along with the rest of the waddle,
breaks cover.
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00:07:01,890 --> 00:07:05,390
With eyesight adapted to see in the dark
depths of the ocean...
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they quickly find their way...
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00:07:09,430 --> 00:07:10,450
and regroup.
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00:07:14,280 --> 00:07:18,240
But their black and white aquatic
camouflage can work against them.
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00:07:27,420 --> 00:07:30,500
Up to 30 penguins die each year on the
roads.
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00:07:32,520 --> 00:07:34,640
City living can be dangerous.
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00:07:37,020 --> 00:07:38,580
In a single fishing trip...
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00:07:39,660 --> 00:07:42,540
African penguins can travel up to 100
kilometres.
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00:07:46,600 --> 00:07:49,880
And in just a few metres, the male and the
rest of the group...
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will be back with their partners.
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After a long day apart... the
couple are finally reunited.
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00:08:18,970 --> 00:08:19,970
And
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they're back together again.
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Soon there'll be another mouth to feed.
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A precious addition to this endangered
population.
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00:08:35,240 --> 00:08:40,000
Then... their commute between city and
sea... will become even more important.
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These African penguins have found that
Cape Town... provides a vital element...
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that's missing from their wild lives.
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A safe place to nest.
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00:09:00,240 --> 00:09:04,121
Whilst also giving them relatively
easy access... to their fishing grounds.
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00:09:07,640 --> 00:09:09,060
The best of both worlds.
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00:09:10,880 --> 00:09:13,540
Which is what all commuters strive for.
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00:09:22,060 --> 00:09:25,860
Across the globe... other
animals are also finding the city...
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00:09:25,861 --> 00:09:30,260
can offer opportunities... that are
harder to come by... in the natural world.
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00:09:35,920 --> 00:09:39,580
And in the barren Negev
desert... in the heart of Israel.
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There's an animal... who
is focused on just one thing.
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00:09:47,540 --> 00:09:49,420
The need to breed.
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00:09:54,740 --> 00:09:59,020
This young three-year-old
male ibex... was left behind...
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00:09:59,021 --> 00:10:03,240
when the rest of his herd... made their
daily commute... into the nearest city.
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00:10:14,180 --> 00:10:16,040
Ibex are mountain experts.
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00:10:19,140 --> 00:10:21,440
And their specially adapted hooves...
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and fine sense of balance...
enable them to negotiate...
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00:10:26,061 --> 00:10:27,620
the urban landscape with ease.
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00:10:33,170 --> 00:10:36,750
They've come to Mitzpah
Ramon... for an easy meal.
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00:10:41,950 --> 00:10:44,590
Its human residents...
have irrigated the land.
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00:10:46,110 --> 00:10:48,190
And created a green oasis.
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00:10:51,850 --> 00:10:57,590
This adolescent male ibex... has
extra motivation... for his journey today.
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00:11:00,330 --> 00:11:02,930
The breeding season...
is very short for ibex.
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00:11:04,370 --> 00:11:07,450
Each female is only in
season... for one day a year.
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00:11:11,680 --> 00:11:13,520
So there's no time to waste...
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if he's to have any chance of mating.
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00:11:23,850 --> 00:11:28,550
Mitzpah Ramon... is a sharp contrast... to
the serenity... of the surrounding desert.
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00:11:32,850 --> 00:11:36,450
But with twice the normal amount...
of testosterone in his blood...
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he has a one-track mind.
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And won't be distracted.
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His arrival seems to have
piqued... the interest of the females.
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00:12:18,420 --> 00:12:20,840
He singles out females in season...
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using a sense organ...
in the roof of his mouth.
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00:12:34,900 --> 00:12:37,861
His first advances... are not
met with much enthusiasm.
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Nor his second...
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or third.
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What's more... he is not the only
male... that's made the trip into town.
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00:13:00,570 --> 00:13:02,550
They are already bigger...
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00:13:04,270 --> 00:13:05,310
stronger...
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more experienced bucks here.
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00:13:15,540 --> 00:13:19,160
With years more practice...
and the art of seduction.
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00:13:32,810 --> 00:13:36,530
This tongue waggle... part
of his courtship display...
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apparently... makes
him irresistible.
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00:13:49,340 --> 00:13:53,461
Though ultimately... the
females will be... the judge of that.
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00:13:58,930 --> 00:14:01,890
Undeterred... the young
male... keeps trying his luck.
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00:14:11,190 --> 00:14:15,831
His behavior... has not gone
unnoticed... and won't... be tolerated.
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00:14:25,200 --> 00:14:29,541
Fully grown male ibex... have
the biggest horns... of their kind.
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00:14:33,540 --> 00:14:35,501
Evolved to pack...
a mighty punch.
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00:14:40,700 --> 00:14:42,620
Half the larger male's weight...
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00:14:48,960 --> 00:14:51,261
and with substantial...
smaller horns.
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00:14:56,730 --> 00:14:59,171
The younger male...
concedes defeat.
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00:15:04,050 --> 00:15:08,350
His attempt... to mate... has
been foiled... by one of his own.
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00:15:09,990 --> 00:15:14,031
It's an important... lesson for
him... on his road... to maturity.
140
00:15:26,980 --> 00:15:30,780
And while the victor... lets
off... some excess steam...
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00:15:35,840 --> 00:15:38,540
the pretender...
returns to the desert...
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alone.
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00:15:49,830 --> 00:15:51,971
The next day... the
young male is back.
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00:15:53,990 --> 00:15:56,370
And this time... he's
just concentrating...
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00:15:56,710 --> 00:15:57,710
on bulking up.
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00:16:00,270 --> 00:16:03,730
Maybe next year...
he'll be... a contender.
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00:16:12,510 --> 00:16:14,831
The urban world...
is full of food.
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00:16:15,970 --> 00:16:20,071
And while some commuters... seek
out... what we grow... and nurture...
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00:16:20,310 --> 00:16:22,891
others are more interested...
in what we throw away.
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00:16:25,890 --> 00:16:30,071
Like many cities... this busy
ski resort... in Colorado...
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00:16:30,700 --> 00:16:32,950
is a hotbed... of fast food.
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00:16:37,390 --> 00:16:38,840
And as night falls...
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00:16:40,420 --> 00:16:44,021
a group of... very hungry
animals... enter Aspen...
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00:16:44,240 --> 00:16:46,561
in search... of leftovers.
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00:16:49,420 --> 00:16:50,480
Black bears.
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00:16:51,940 --> 00:16:56,480
Every evening in autumn... they
wander in... from the surrounding hills...
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00:16:57,920 --> 00:17:00,181
on the hunt... for an easy meal.
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00:17:03,980 --> 00:17:06,721
Most Aspen residents...
keep their rubbish secure.
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00:17:11,500 --> 00:17:14,581
But the bears quickly find...
the bins that have been forgotten.
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00:17:17,860 --> 00:17:21,401
When winter arrives... it will
begin... a six month hibernation.
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00:17:22,920 --> 00:17:27,301
The bears... will eat... during
which... they will eat nothing.
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00:17:28,140 --> 00:17:31,181
So they need to... pile
on the pounds... now.
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00:17:34,150 --> 00:17:38,010
To have any chance... of surviving
winter... they must eat... more than...
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00:17:38,011 --> 00:17:40,351
20,000 calories... a day.
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00:17:50,330 --> 00:17:54,391
With a sense of smell... a hundred
times... more sensitive... than ours...
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no wasted food...
goes undiscovered.
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00:18:16,240 --> 00:18:20,740
Come daybreak... the destruction...
caused by... the bears' night raids...
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00:18:21,265 --> 00:18:22,265
is clear to see.
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00:18:27,840 --> 00:18:31,881
Charlie Martin... is the Aspen
Police Force's... wildlife officer.
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00:18:32,780 --> 00:18:35,960
And the first port of call...
for bear disturbances.
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00:18:36,700 --> 00:18:39,221
Bears have done a lot of
damage... over the years.
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00:18:39,800 --> 00:18:41,280
They like to get into cars.
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00:18:41,460 --> 00:18:44,460
They're pretty clever... and they have
learned... how to open a door handle...
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00:18:44,461 --> 00:18:45,461
on a vehicle.
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00:18:50,550 --> 00:18:55,410
It will rip the door panels off...
the interior... it will leave a present...
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00:18:55,411 --> 00:18:56,411
usually in there.
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00:19:00,130 --> 00:19:01,250
It's very unpleasant.
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00:19:03,950 --> 00:19:06,411
Their criminal streak...
doesn't end there.
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00:19:10,160 --> 00:19:15,121
In Aspen... they're responsible... for more
house break-ins... than human burglars.
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00:19:22,440 --> 00:19:25,041
In fact, wherever they
can... in North America...
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00:19:25,590 --> 00:19:27,740
black bears are using...
their wild skill set...
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00:19:28,090 --> 00:19:30,700
to turn their dexterous
paws... to almost anything.
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00:19:40,790 --> 00:19:44,450
In the search for food...
no door is left unopened.
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00:19:47,970 --> 00:19:49,090
Oh my...
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00:19:49,930 --> 00:19:51,230
Come on bear, move.
186
00:19:51,490 --> 00:19:52,590
Oh my God.
187
00:19:55,410 --> 00:19:57,851
It can be upsetting...
for the people involved.
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00:19:58,250 --> 00:20:00,890
But the black bears... are
simply following their noses.
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00:20:03,450 --> 00:20:07,071
For them... it has been a
very successful... commute.
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00:20:09,030 --> 00:20:14,531
With the arrival of winter... they're
well fed... and ready... for hibernation.
191
00:20:21,490 --> 00:20:23,951
The bears rely
on... sheer audacity.
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00:20:25,550 --> 00:20:29,510
But... for the majority of commuters...
it's about playing by the rules...
193
00:20:31,490 --> 00:20:34,991
and working hard... to get
what they need... from the city.
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00:20:37,210 --> 00:20:39,589
Here in England's
capital... over three
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00:20:39,590 --> 00:20:43,091
million people... commute
to work... each day.
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00:20:47,810 --> 00:20:50,210
Busy people... with busy lives.
197
00:20:54,330 --> 00:20:56,970
But there's one... very
important Londoner...
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00:20:57,930 --> 00:21:02,191
who can truly say... that she...
is the busiest... of them all.
199
00:21:12,330 --> 00:21:14,830
A queen...
buff-tailed bumblebee.
200
00:21:17,430 --> 00:21:18,790
Weighing just half a gram.
201
00:21:21,190 --> 00:21:22,190
It's February...
202
00:21:22,645 --> 00:21:25,050
and she's emerging...
from a six month hibernation.
203
00:21:27,750 --> 00:21:32,190
To make the most... of what London has
to offer... she must raise her own army...
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00:21:32,191 --> 00:21:33,330
of inner city commuters.
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00:21:37,070 --> 00:21:39,650
To do so... she will
need to find a base.
206
00:21:45,250 --> 00:21:47,610
London is not an easy
place... to find a home.
207
00:21:47,611 --> 00:21:52,630
But luckily... there are still... a
few hidden gems... fit for a queen.
208
00:22:08,900 --> 00:22:12,720
Tucked away... dry...
and well insulated.
209
00:22:14,080 --> 00:22:16,761
With plenty of space...
for a growing family.
210
00:22:20,430 --> 00:22:21,750
This will do nicely.
211
00:22:33,660 --> 00:22:38,141
As the rhythm of daily life...
continues on London's... busy streets...
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00:22:41,600 --> 00:22:43,340
the queen stays at home.
213
00:22:47,470 --> 00:22:49,770
Laying eggs... that
hatch into grubs...
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00:22:55,160 --> 00:22:57,421
that then emerge...
as worker bees.
215
00:23:03,340 --> 00:23:08,480
This is the queen's army... and it's
tasked... with a very important mission...
216
00:23:08,481 --> 00:23:10,380
to find food.
217
00:23:13,820 --> 00:23:17,960
On the face of it... a seemingly
impossible job... in the urban world...
218
00:23:17,961 --> 00:23:19,060
is the queen.
219
00:23:19,080 --> 00:23:22,380
But like most cities... hidden
away behind London's...
220
00:23:22,660 --> 00:23:25,089
concrete walls...
office blocks... and
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00:23:25,101 --> 00:23:27,981
homes... there's a
treasure trove... of food.
222
00:23:38,720 --> 00:23:39,720
Gardens.
223
00:23:48,160 --> 00:23:50,421
London has over...
three million of them.
224
00:23:53,100 --> 00:23:55,381
They make up nearly...
a quarter of the city.
225
00:24:01,380 --> 00:24:03,020
Many bursting with flowers...
226
00:24:03,340 --> 00:24:06,980
full of sugar-rich nectar... just
what the bumblebees need.
227
00:24:08,825 --> 00:24:10,741
And all the workers...
have to do now...
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00:24:11,360 --> 00:24:12,500
is find them.
229
00:24:31,560 --> 00:24:35,861
Bumblebees can travel... as far as
12 kilometres a day... looking for food.
230
00:24:36,980 --> 00:24:41,940
That's the equivalent... of a human...
circumnavigating the globe... ten times...
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00:24:41,941 --> 00:24:44,421
just to get to the
shops... and back.
232
00:24:44,880 --> 00:24:49,560
If they don't manage... to feed
every 40 minutes... they risk starvation.
233
00:24:51,360 --> 00:24:55,080
The key to the bumblebee's
success... lies in their ability...
234
00:24:55,081 --> 00:24:56,480
to navigate the urban world.
235
00:24:57,920 --> 00:25:00,381
Like London's
legendary... cab drivers...
236
00:25:00,860 --> 00:25:04,761
they use landmarks... to build up a
mental map... of their surroundings.
237
00:25:07,060 --> 00:25:09,301
And using the
sun... to get their
238
00:25:09,313 --> 00:25:12,360
bearings... they can
easily find their way...
239
00:25:12,361 --> 00:25:13,900
to the best flower spots.
240
00:25:16,880 --> 00:25:20,240
And the most direct
routes... to and from them.
241
00:25:30,320 --> 00:25:33,881
The industrious army...
work day in... day out.
242
00:25:36,540 --> 00:25:40,720
And with a worker bee... able to carry its
own body weight... in nectar and pollen...
243
00:25:40,721 --> 00:25:41,960
back to the nest...
244
00:25:48,490 --> 00:25:52,250
the colony goes from
strength... to strength.
245
00:25:59,330 --> 00:26:01,030
In just three months...
246
00:26:01,610 --> 00:26:05,790
the queen and her tireless workers...
have harvested everything they need...
247
00:26:05,791 --> 00:26:06,791
from London's gardens.
248
00:26:12,170 --> 00:26:14,810
With the bountiful food available...
249
00:26:15,690 --> 00:26:18,791
and their extraordinary
ability... to find their way around...
250
00:26:21,090 --> 00:26:22,090
bumblebees...
251
00:26:22,310 --> 00:26:24,450
who have lost much of their wild
habitat...
252
00:26:24,610 --> 00:26:27,730
are now thriving...
in urban areas.
253
00:26:38,810 --> 00:26:41,610
Navigation lies at the heart...
of every successful commute.
254
00:26:45,220 --> 00:26:50,160
And there is one animal... above
all others... that truly has it mastered.
255
00:26:54,690 --> 00:26:58,231
Even... in one of the most
complex cities... in the world.
256
00:27:04,720 --> 00:27:09,120
In Morocco... Fes...
an epicenter of trade...
257
00:27:09,670 --> 00:27:12,060
is a maze of nearly identical alleys.
258
00:27:19,720 --> 00:27:21,700
Where GPS cannot penetrate.
259
00:27:29,910 --> 00:27:32,470
For many travelers...
it's easy to get lost here.
260
00:27:33,810 --> 00:27:37,010
But there is one animal... who
can navigate... this labyrinth of ease.
261
00:27:44,080 --> 00:27:45,080
Pigeons.
262
00:27:46,760 --> 00:27:49,781
Amongst the best... urban
navigators... in the animal kingdom.
263
00:27:53,920 --> 00:27:57,640
Their brain processes... visual
information... three times...
264
00:27:57,641 --> 00:27:58,820
faster than a human can.
265
00:28:05,360 --> 00:28:08,460
They also have someone... These
highly intelligent birds... can also...
266
00:28:08,461 --> 00:28:10,680
orientate themselves...
using their sense of smell.
267
00:28:17,240 --> 00:28:21,020
Detecting slight... chemical changes
in the wind... from hundreds of...
268
00:28:21,021 --> 00:28:22,021
kilometers away.
269
00:28:23,020 --> 00:28:24,020
Just...
270
00:28:25,640 --> 00:28:27,520
a short walk... from the
mountains... to the rivers.
271
00:28:27,521 --> 00:28:28,521
Jungle here.
272
00:28:31,120 --> 00:28:36,340
And with an internal sat-nav system,
tuned to the Earth's magnetic field,
273
00:28:41,140 --> 00:28:45,720
they're able to fly for thousands of
kilometers with pinpoint accuracy.
274
00:28:58,160 --> 00:29:04,300
These navigational superpowers enable this
group of pigeons here in Fez to pick out
275
00:29:04,301 --> 00:29:09,220
one very specific rooftop as a place to
rest their wings and feed.
276
00:29:13,010 --> 00:29:15,590
Here they know that they'll be safe.
277
00:29:21,260 --> 00:29:23,560
It's a house owned by Adil Bendali.
278
00:29:24,440 --> 00:29:26,760
A pigeon fancier since he was a young boy.
279
00:29:26,761 --> 00:29:33,540
We're really glad that you made it here
Python.
280
00:29:35,220 --> 00:29:38,160
It's a really nice place here and our
historia's painted it all the way.
281
00:29:42,380 --> 00:29:46,140
Nothing ever happens to the pigeons you
make, it really, really matters to them.
282
00:29:53,000 --> 00:29:56,280
Adil looks after the pigeons that land on
this roof seven days a week.
283
00:29:56,440 --> 00:29:57,440
That's the only way.
284
00:29:58,300 --> 00:29:59,540
52 weeks a year.
285
00:30:01,980 --> 00:30:04,200
He hasn't taken a holiday in 12 years.
286
00:30:12,890 --> 00:30:15,310
But this is not a one-way relationship.
287
00:30:17,170 --> 00:30:18,690
This is Fez, after all.
288
00:30:20,190 --> 00:30:21,690
A place built on trade.
289
00:30:23,910 --> 00:30:25,570
The pigeons must pay their way.
290
00:30:28,450 --> 00:30:31,110
And Adil has a very specific trade in
mind.
291
00:30:43,450 --> 00:30:46,715
He knows that there is
something that pigeons produce
292
00:30:46,716 --> 00:30:49,231
here in Fez that is deemed
a precious commodity.
293
00:30:57,390 --> 00:30:58,390
Droppings.
294
00:30:58,970 --> 00:31:03,030
A key ingredient in the city's age-old
leather tanning industry.
295
00:31:07,070 --> 00:31:10,244
The ammonia in the
droppings softens the leather
296
00:31:10,245 --> 00:31:13,690
and gives the tannery a
truly characteristic smell.
297
00:31:30,270 --> 00:31:34,430
This technique has been used here for over
a thousand years.
298
00:31:46,560 --> 00:31:51,086
The supple leather it produces
is the reason that merchants
299
00:31:51,087 --> 00:31:54,480
persist in finding their way
through Fez's maze of streets.
300
00:32:01,460 --> 00:32:05,553
And also the reason why its
inhabitants have developed
301
00:32:05,554 --> 00:32:08,101
such a strong bond with
these urban navigators.
302
00:32:18,800 --> 00:32:23,130
But not all inner-city commuters boast
such a positive relationship with humans.
303
00:32:27,110 --> 00:32:32,330
Some that are feared rather than loved
have been forced underground.
304
00:32:35,530 --> 00:32:39,144
With over five million people
trying to get to work every
305
00:32:39,145 --> 00:32:42,210
day, Russia and Thailand's
capital is notoriously bad.
306
00:32:43,590 --> 00:32:47,930
Some people here lose on average a month
every year to commuting.
307
00:33:00,480 --> 00:33:03,620
And as the daily grind in Bangkok
continues above ground,
308
00:33:06,830 --> 00:33:11,770
a wild commuter, shunned from society,
has to make its journey.
309
00:33:13,250 --> 00:33:15,110
In the shadows.
310
00:33:16,790 --> 00:33:19,450
Driven beneath the streets by its bad
reputation.
311
00:33:20,410 --> 00:33:24,410
Born out of folk tales passed down from
generation to generation.
312
00:33:29,700 --> 00:33:30,980
I'm so afraid to cry.
313
00:33:31,380 --> 00:33:32,380
I'm so afraid to cry.
314
00:33:32,760 --> 00:33:33,760
I'm so afraid to cry.
315
00:33:37,600 --> 00:33:40,660
His neck is so long and his tongue is so
sharp.
316
00:33:42,260 --> 00:33:44,720
His nails are so long.
317
00:33:45,280 --> 00:33:52,000
His nails are so long.
318
00:33:52,001 --> 00:33:54,760
When he comes out, when he sees children,
he runs so fast.
319
00:34:06,910 --> 00:34:13,190
Although attitudes have begun to change,
the creature maintains a low profile.
320
00:34:22,290 --> 00:34:25,790
The sewers are the perfect place to hide.
321
00:34:41,440 --> 00:34:43,180
Even for a water monitor.
322
00:34:51,660 --> 00:34:57,480
Only by filming under controlled conditions
can we see what underground life entails.
323
00:35:03,610 --> 00:35:06,690
This giant lizard has a colossal appetite.
324
00:35:07,910 --> 00:35:11,030
And is constantly on the search for food.
325
00:35:14,070 --> 00:35:16,910
Being banished to the sewers has its
advantages.
326
00:35:19,790 --> 00:35:25,750
They're a maze of secret passageways that
criss-cross Bangkok.
327
00:35:30,360 --> 00:35:32,260
And as chaos reigns above,
328
00:35:38,470 --> 00:35:42,370
water monitors travel these hidden
highways with ease.
329
00:36:09,260 --> 00:36:15,000
By far the most popular destination for
over 100 regulars is here.
330
00:36:18,060 --> 00:36:19,340
The city zoo.
331
00:36:29,690 --> 00:36:33,510
Not an obvious place for a wild animal to
enter voluntarily.
332
00:36:40,900 --> 00:36:42,600
But the zoo welcomes them.
333
00:36:43,340 --> 00:36:46,621
And it is believed to
have the highest density
334
00:36:46,622 --> 00:36:50,101
of wild water monitors
in all of Thailand.
335
00:36:52,200 --> 00:36:53,840
They're heading to one location.
336
00:36:57,220 --> 00:36:59,220
At a very specific time.
337
00:37:04,870 --> 00:37:05,870
Lunchtime.
338
00:37:09,370 --> 00:37:14,030
Water monitors can grow over 2 meters long
and weigh over 50 kilograms.
339
00:37:15,410 --> 00:37:20,530
And after a long journey hunger gets the
better of these giant reptiles.
340
00:37:27,400 --> 00:37:30,000
And frustrations begin to boil over.
341
00:37:51,520 --> 00:37:58,141
Meanwhile inside the zoo restaurant friends
gone and due help out in the kitchen.
342
00:38:01,090 --> 00:38:03,970
Their main job is taking out the rubbish.
343
00:38:11,100 --> 00:38:14,920
And they've got an ingenious solution to
recycle their food waste.
344
00:38:27,180 --> 00:38:29,080
Water monitors are scavengers.
345
00:38:32,020 --> 00:38:33,800
And will eat almost anything.
346
00:38:43,180 --> 00:38:47,820
For gone and due, it makes work in a
restaurant much more enjoyable.
347
00:38:57,180 --> 00:39:00,120
Normally, water monitors are shy and
secretive.
348
00:39:01,340 --> 00:39:03,800
An encounter like this is unusual.
349
00:39:08,920 --> 00:39:13,280
The water monitors have found their piece
of paradise in Bangkok.
350
00:39:18,920 --> 00:39:20,720
A place where they are welcomed.
351
00:39:25,740 --> 00:39:29,080
And they return to the sewers with full
stomachs.
352
00:39:39,900 --> 00:39:44,600
Whilst most wild commuters travel into our
cities some do the opposite.
353
00:39:45,560 --> 00:39:47,140
From the city to the wild.
354
00:39:48,800 --> 00:39:52,100
And for them the states couldn't be
higher.
355
00:39:56,150 --> 00:39:58,742
Here in the foothills of
the Canadian Rockies
356
00:39:58,743 --> 00:40:02,071
is a place locked in
the depths of winter.
357
00:40:04,670 --> 00:40:09,510
At this time of year Calgary is a refuge
to over 10,000 mallards.
358
00:40:10,290 --> 00:40:12,190
Sheltering from the blistering cold.
359
00:40:16,460 --> 00:40:19,713
The heat generated by
people and industry has
360
00:40:19,714 --> 00:40:23,501
kept the local waterways
open and the ducks warm.
361
00:40:26,420 --> 00:40:29,120
But what's lacking is enough food.
362
00:40:38,120 --> 00:40:40,700
Each day the ducks head out of town
363
00:40:44,650 --> 00:40:46,810
to find something to eat.
364
00:41:01,110 --> 00:41:04,830
In the surrounding countryside
temperatures plummet to minus 30.
365
00:41:09,470 --> 00:41:12,710
Flying here burns 12 times more energy
than resting.
366
00:41:15,550 --> 00:41:16,670
Draining their reserves.
367
00:41:32,950 --> 00:41:37,490
They land on a farm to feed on the spilt
grain beneath the snow.
368
00:41:43,400 --> 00:41:45,880
This forgotten food is a life saver.
369
00:41:52,820 --> 00:41:54,820
The hungry ducks waste no time.
370
00:41:56,800 --> 00:41:58,060
They are being watched.
371
00:42:08,030 --> 00:42:11,450
It's a risk they take every day but they
have no choice.
372
00:42:12,750 --> 00:42:16,370
If they stayed in Calgary they'd starve to
death.
373
00:42:20,540 --> 00:42:24,320
The ducks are safe as long as they stay
together and hold the line.
374
00:42:29,610 --> 00:42:33,310
But exhausted from the journey some can't
keep their eyes open.
375
00:42:40,390 --> 00:42:42,410
It has not gone unnoticed.
376
00:42:49,900 --> 00:42:53,520
A prairie falcon won't turn down an
opportunity like this.
377
00:43:15,160 --> 00:43:18,900
Spooked by the attack the ducks make a
break for home.
378
00:43:25,330 --> 00:43:28,390
This is what most of the predators have
been waiting for.
379
00:43:34,540 --> 00:43:39,000
Weighed down with their crops full of food
the ducks are much slower.
380
00:43:41,500 --> 00:43:46,060
Jeer falcons and bald eagles begin their
aerial bombardment.
381
00:44:07,820 --> 00:44:12,700
Escaping from the grip of one can lead
straight into the talons of another.
382
00:44:22,960 --> 00:44:24,640
Going it alone is a gamble.
383
00:44:26,160 --> 00:44:29,880
But no duck will be safe until it reaches
the shelter of Calgary.
384
00:44:44,650 --> 00:44:49,378
Six times the duck's
size and able to fly at 160
385
00:44:49,379 --> 00:44:52,991
km an hour the bald
eagle is a formidable hunter.
386
00:45:12,660 --> 00:45:14,280
It's a miraculous escape.
387
00:45:24,830 --> 00:45:29,010
The large majority of the flock make it
back to their sanctuary in the city.
388
00:45:35,600 --> 00:45:41,280
But tomorrow they'll have to run the
gauntlet all over again.
389
00:45:46,880 --> 00:45:50,600
Across the world people have welcomed wild
commuters.
390
00:45:52,940 --> 00:45:56,560
And many, like the ducks have become
familiar friends.
391
00:46:00,470 --> 00:46:05,950
But as the urban world grows we are coming
into contact with more unexpected animals.
392
00:46:06,750 --> 00:46:09,490
And making unlikely alliances.
393
00:46:17,640 --> 00:46:20,792
Here in Saint Lucia,
South Africa an agreement
394
00:46:20,793 --> 00:46:23,940
has been struck with the
most surprising animal.
395
00:46:24,100 --> 00:46:25,100
Who?
396
00:46:28,350 --> 00:46:32,690
One of the biggest and most dangerous on
the continent.
397
00:46:36,090 --> 00:46:42,290
After dark when the streets begin to empty
the beasts arrive.
398
00:47:00,720 --> 00:47:06,300
The nighttime commuters are hippos.
399
00:47:21,680 --> 00:47:25,521
With limited street
lighting the best way to
400
00:47:25,522 --> 00:47:29,141
see what they're up to
is with a thermal camera.
401
00:47:36,060 --> 00:47:39,440
Each night they travel in from the nearby
river.
402
00:47:45,290 --> 00:47:46,990
They're after just one thing.
403
00:47:51,090 --> 00:47:52,090
Grass.
404
00:47:53,690 --> 00:47:57,710
A hippo can eat up to 50 kilograms in a
single sitting.
405
00:48:05,500 --> 00:48:07,580
They can only pull it out with their lips.
406
00:48:08,240 --> 00:48:12,140
So they prefer short grass which is easier
for them to get hold of.
407
00:48:17,740 --> 00:48:22,760
Saint Lucia's roadside verges and
manicured lawns offer the perfect grazing.
408
00:48:23,480 --> 00:48:26,700
Especially for the young and old who can't
travel far.
409
00:48:28,840 --> 00:48:31,540
So whole families head into town to dine
out.
410
00:48:39,280 --> 00:48:42,920
Which means each night
Saint Lucia's residents share
411
00:48:42,921 --> 00:48:46,820
their front lawns with
multiple one-ton animals.
412
00:48:57,810 --> 00:49:02,650
Having an animal this deadly, this close
must be hard to tolerate.
413
00:49:04,610 --> 00:49:07,530
But miraculously there has been little
conflict.
414
00:49:13,250 --> 00:49:17,580
Rather than force the hippos
to change their behaviour
415
00:49:17,581 --> 00:49:20,430
the people of Saint
Lucia have changed theirs.
416
00:49:27,030 --> 00:49:29,788
They've learnt to give
the hippos the respect and
417
00:49:29,789 --> 00:49:32,391
space they need during
their night time raids.
418
00:49:40,130 --> 00:49:43,110
And today both sides are reaping the
rewards.
419
00:49:44,410 --> 00:49:50,270
The town has flourished as tourists take
advantage of this unique situation.
420
00:49:54,930 --> 00:50:00,390
And the hippos able to feast in peace
leave with full stomachs.
421
00:50:15,240 --> 00:50:18,662
The urban world has
created opportunities that are
422
00:50:18,663 --> 00:50:21,541
too good to ignore for
some of the world's wildlife.
423
00:50:25,390 --> 00:50:30,810
Many animals have been displaced from
their natural habitat and are now using
424
00:50:30,811 --> 00:50:34,270
their wild skill set in the city to help
fulfil their needs.
425
00:50:38,870 --> 00:50:43,510
It may just be the beginning of a new and
very modern migration.
36137
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