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Even the most
respected grownup was once a
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party animal searching for love.
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Hot blood leads to
seductive behavior.
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00:00:20,187 --> 00:00:23,824
♪ ♪
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00:00:23,957 --> 00:00:29,162
And when the flame bowerbird
drops its jungle boogie,
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00:00:29,296 --> 00:00:32,633
it's irresistibly weird.
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The creatures of
earth are wilder
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than you could possibly imagine.
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Among the fast and fearsome
are the astoundingly crazy.
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00:00:57,558 --> 00:01:02,696
With strange behavior and
outrageous fashion sense.
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00:01:05,265 --> 00:01:07,734
They're all in a
competition to survive.
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00:01:09,303 --> 00:01:12,139
And weirdness always wins.
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00:01:12,272 --> 00:01:15,742
♪ ♪
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00:01:29,957 --> 00:01:32,826
Inhabiting waterways
across the globe,
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there's a strange creature.
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00:01:45,305 --> 00:01:48,809
This pregnant dragonfly
is in a rush.
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With only eight weeks of
life, she's made the most
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00:01:53,280 --> 00:01:54,548
of the dating pool.
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00:01:56,416 --> 00:01:58,919
Now she needs to
deliver her eggs.
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00:02:03,023 --> 00:02:04,858
The dark waters of a pond?
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Perfect.
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00:02:10,197 --> 00:02:15,936
Ovipositor dipped below the
surface, she deposits her brood.
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00:02:16,970 --> 00:02:19,706
For some, motherhood
is about care,
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00:02:19,840 --> 00:02:23,010
nurturing and
unconditional love.
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00:02:23,143 --> 00:02:25,245
♪ ♪
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00:02:25,379 --> 00:02:27,280
But not this dragonfly.
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00:02:29,349 --> 00:02:31,385
♪ ♪
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00:02:31,718 --> 00:02:35,756
Dumping the kids and taking off
is how dragonfly mothers rule.
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00:02:38,558 --> 00:02:41,261
Eggs laid, she splits for good.
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00:02:55,108 --> 00:02:56,676
Months have passed.
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00:02:58,045 --> 00:03:01,748
And the dragonfly offspring
looks nothing like her mother.
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00:03:05,752 --> 00:03:09,756
Orphaned, she needs to
grow fast to survive.
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00:03:13,293 --> 00:03:16,930
Natural born instincts kick in.
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With her target locked,
the nymph draws in water
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through her backside.
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00:03:33,847 --> 00:03:38,251
Then forces it forward
to fire her lower jaw.
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00:03:46,993 --> 00:03:49,963
♪ ♪
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00:03:52,766 --> 00:03:56,837
For two years, the nymph
terrorizes her aquatic world.
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00:04:01,475 --> 00:04:04,044
Growing bigger and stronger.
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00:04:11,051 --> 00:04:15,455
The ugly hatchling has become
one of the pond's top predators.
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00:04:26,666 --> 00:04:31,671
But the time comes when the
pond monster must be reborn.
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00:04:35,075 --> 00:04:38,044
♪ ♪
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00:04:40,580 --> 00:04:44,518
Water breathing gills
transform to take in air.
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00:04:46,286 --> 00:04:49,022
She leaves the
dark waters behind
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00:04:49,156 --> 00:04:51,691
and heads towards the moonlight.
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00:04:57,330 --> 00:05:00,100
The nymph expands her body,
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excreting solvents
that help her molt.
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00:05:07,307 --> 00:05:11,011
Her hard exoskeleton
cracks open.
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00:05:16,917 --> 00:05:19,886
♪ ♪
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00:05:30,297 --> 00:05:34,901
Like an insect Cinderella,
she's suddenly glamorous.
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00:05:35,035 --> 00:05:38,405
♪ ♪
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00:05:38,538 --> 00:05:42,275
But can she really leave
her dark past behind?
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00:05:47,013 --> 00:05:50,283
Her appearance may have
changed, but she's become
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00:05:50,417 --> 00:05:52,018
even more deadly.
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00:05:53,320 --> 00:05:56,523
Able to fly almost 40
miles per hour.
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00:05:59,759 --> 00:06:02,796
Executing sudden turns
in any direction.
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00:06:03,797 --> 00:06:06,499
With a hunting success
rate reaching 95%,
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00:06:08,635 --> 00:06:12,672
she is the most successful
predator on the planet.
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00:06:16,810 --> 00:06:21,648
And the first chance she
gets, she'll pair up, mate,
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00:06:23,049 --> 00:06:26,052
and dish out tough love
to her own offspring.
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00:06:29,890 --> 00:06:34,060
They may be born into squalor,
but dragonflies that survive
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00:06:34,194 --> 00:06:37,297
are all destined
to be high flyers.
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00:06:38,265 --> 00:06:40,900
Beautiful, but deadly.
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00:06:48,375 --> 00:06:53,980
New Guinea is a cauldron
of quirky courtship.
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00:06:54,114 --> 00:07:04,090
♪ ♪
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00:07:08,561 --> 00:07:12,165
These female flame bowerbirds
are window shopping
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00:07:12,299 --> 00:07:13,266
for a mate.
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00:07:17,337 --> 00:07:20,874
And this elegant
bower, come love lair,
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00:07:21,007 --> 00:07:23,843
has aroused their curiosity.
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00:07:23,977 --> 00:07:28,848
♪ ♪
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00:07:28,982 --> 00:07:32,585
Constructed by the
male flame bowerbird.
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00:07:34,154 --> 00:07:39,926
A hypnotic dance freak with
a ton of funk in his junk.
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00:07:45,398 --> 00:07:48,535
But these gals will
need convincing,
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00:07:48,668 --> 00:07:51,571
because he's gonna be
a fly-by-night father
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00:07:51,705 --> 00:07:54,708
and leave her to
raise the kids alone.
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00:08:00,146 --> 00:08:03,283
♪ ♪
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00:08:05,819 --> 00:08:08,855
♪ ♪
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00:08:09,322 --> 00:08:11,891
So they are looking
long and hard.
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00:08:14,194 --> 00:08:18,498
He's got just one chance to
show what's in his genes.
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00:08:20,667 --> 00:08:22,769
The bower he's
built isn't a nest.
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00:08:24,404 --> 00:08:28,842
It's just a stage to
entertain the ladies.
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00:08:32,412 --> 00:08:34,414
He fusses over the
final touches.
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00:08:42,989 --> 00:08:44,557
She's still not convinced.
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00:08:47,494 --> 00:08:49,562
But this isn't his first rodeo.
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00:08:50,530 --> 00:08:53,967
He knows just the thing
to light their fire.
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00:08:58,004 --> 00:08:59,706
Accessorize.
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00:09:00,407 --> 00:09:03,877
Nothing pulls the ladies
like a splash of color.
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00:09:15,722 --> 00:09:21,795
Baubles of blue, purple, and
gray arranged to seduce.
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00:09:25,131 --> 00:09:27,801
Oh, that's lured one in.
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00:09:28,401 --> 00:09:31,538
♪ ♪
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00:09:34,007 --> 00:09:39,979
And now that he has an audience,
it's time to bust a move.
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00:09:40,113 --> 00:09:50,090
♪ ♪
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00:09:59,532 --> 00:10:02,235
Plain Jane is mesmerized.
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00:10:05,939 --> 00:10:07,841
Her own Magic Mike.
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00:10:07,974 --> 00:10:17,951
♪ ♪
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00:10:30,363 --> 00:10:32,432
The bower makes it steamier.
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00:10:33,733 --> 00:10:36,202
The walls frame his performance.
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00:10:36,336 --> 00:10:43,409
♪ ♪
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00:10:43,543 --> 00:10:46,546
From where she stands,
he looks bigger,
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00:10:46,679 --> 00:10:50,250
flashier, and totally
irresistible.
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00:10:58,258 --> 00:11:03,029
The male flame bower bird is
truly funk meister number one.
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00:11:03,162 --> 00:11:11,905
♪ ♪
103
00:11:12,038 --> 00:11:13,673
He gets down to business.
104
00:11:17,644 --> 00:11:18,878
And heads for the door.
105
00:11:22,515 --> 00:11:27,654
Because this bad boy has
more booty calls to make.
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00:11:33,092 --> 00:11:37,797
♪ ♪
107
00:11:37,931 --> 00:11:42,068
This pair of
four-lined tree frogs are
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00:11:42,202 --> 00:11:45,405
up and ready for
a little romance.
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00:11:45,538 --> 00:11:48,975
They're soon to be
upmarket parents.
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00:11:50,677 --> 00:11:55,081
The kind that spoil their kids
and leave them a fortune.
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00:11:55,214 --> 00:11:59,752
♪ ♪
112
00:12:04,157 --> 00:12:08,695
But first, a moment of passion.
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♪ Oh yeah ♪
114
00:12:12,432 --> 00:12:16,970
The male is smaller, but
he has big ambitions.
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Why not add a bubble bath
for a touch of glamor?
116
00:12:26,579 --> 00:12:28,414
But there's no bed out here.
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00:12:35,788 --> 00:12:41,060
So they use mucus secreted
from their back legs.
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It forms a dense foam
nest, which will harden
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00:12:51,738 --> 00:12:55,608
on the outside, but
remain moist within.
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00:12:58,278 --> 00:13:02,181
Creating a crusty, but
weirdly luxurious,
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incubation chamber.
122
00:13:05,785 --> 00:13:09,055
The female releases her
eggs into the nest.
123
00:13:12,292 --> 00:13:15,762
The male frog
fertilizes the clutch.
124
00:13:22,268 --> 00:13:25,138
Rain forest rendezvous complete.
125
00:13:25,271 --> 00:13:29,142
They leave their offspring
with a glistening endowment
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to see them through.
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00:13:50,096 --> 00:13:51,464
Three days later,
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00:13:53,032 --> 00:13:56,536
rainwater dissolves
the foamy refuge,
129
00:13:57,870 --> 00:13:59,939
and tadpoles emerge.
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00:14:22,762 --> 00:14:24,831
After such a
pampered upbringing,
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00:14:24,964 --> 00:14:30,370
the first of nature's
truths hits hard, hunger.
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00:14:37,110 --> 00:14:39,445
Time to dip into the trust fund.
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00:14:41,547 --> 00:14:43,683
The foam nest they
once called home
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00:14:44,584 --> 00:14:46,986
is also a source of food.
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00:14:56,429 --> 00:15:02,001
♪ ♪
136
00:15:02,135 --> 00:15:08,341
Growing pains kick in as the
pampered youth sprout limbs,
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00:15:13,412 --> 00:15:16,916
and gills are replaced
with air-breathing lungs.
138
00:15:20,787 --> 00:15:22,822
Within weeks, the
froglets emerge
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00:15:22,955 --> 00:15:27,894
from their aquatic dorm rooms,
ready for some adulting.
140
00:15:36,536 --> 00:15:42,442
All too quickly, the
rush of hormones
141
00:15:43,976 --> 00:15:46,979
and this new generation
of silver spooners
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00:15:47,113 --> 00:15:54,887
are looking for frog love too,
bequeathing the family fortune
143
00:15:55,021 --> 00:15:57,790
to golden scions of their own.
144
00:16:05,698 --> 00:16:09,869
Life for a wood duck mother
is a continual test.
145
00:16:10,002 --> 00:16:12,572
♪ ♪
146
00:16:12,705 --> 00:16:16,042
She's flat out feeding
on pond weed and snails,
147
00:16:21,380 --> 00:16:23,816
while her ex sits
around and preens.
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00:16:26,285 --> 00:16:28,888
He's all flash and no substance,
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00:16:30,022 --> 00:16:33,726
leaving her to bring
up the kids alone.
150
00:16:42,969 --> 00:16:47,273
Mother duck has safely laid
her eggs in a top floor roost.
151
00:16:49,609 --> 00:16:52,411
There's no need for
babysitting up here.
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00:16:54,547 --> 00:16:57,717
They're safe from
almost anything.
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00:17:01,654 --> 00:17:02,522
Almost.
154
00:17:02,655 --> 00:17:06,626
♪ ♪
155
00:17:06,759 --> 00:17:11,063
Rat snakes eat eggs
for breakfast,
156
00:17:11,197 --> 00:17:12,999
and they're clever climbers.
157
00:17:14,800 --> 00:17:18,771
A couple of duck eggs
are easy pickings.
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00:17:26,712 --> 00:17:32,552
♪ ♪
159
00:17:33,419 --> 00:17:34,921
Down in the water,
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00:17:36,389 --> 00:17:38,424
mother duck has no idea,
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00:17:41,027 --> 00:17:45,398
but she may not give a quack,
because wood ducks need
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00:17:45,531 --> 00:17:47,233
to be as hard as nails.
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00:17:47,366 --> 00:17:57,343
♪ ♪
164
00:17:58,744 --> 00:18:00,713
From the moment they hatch,
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her little flock face
sky high challenges.
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00:18:13,492 --> 00:18:16,295
Number one, they're way up here.
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00:18:21,133 --> 00:18:25,004
Number two, mom's down there.
168
00:18:28,274 --> 00:18:32,411
And three, the rat snake's back.
169
00:18:35,381 --> 00:18:41,287
Eggs are fine, but soft little
duck nuggets are next level.
170
00:18:42,421 --> 00:18:43,556
It's crunch time.
171
00:18:45,958 --> 00:18:48,461
Or at least it will be,
if the ducklings don't
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00:18:48,594 --> 00:18:50,563
make a leap of faith.
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♪ ♪
174
00:18:58,037 --> 00:19:01,007
♪ ♪
175
00:19:06,479 --> 00:19:09,015
Wood ducks
are born base jumpers.
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00:19:17,857 --> 00:19:21,794
The final chick and
the snake is close.
177
00:19:31,270 --> 00:19:33,339
Time to get the
duck out of here.
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00:19:40,713 --> 00:19:42,682
All the ducklings have made it.
179
00:19:44,717 --> 00:19:50,423
One small step for motherhood,
one giant leap for ducklings.
180
00:20:00,166 --> 00:20:02,568
This lone penguin
is about to face
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00:20:02,702 --> 00:20:05,438
one of Earth's
craziest challenges.
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00:20:06,405 --> 00:20:09,475
Survive the most brutal
winter on the planet,
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00:20:11,877 --> 00:20:14,914
while balancing an
egg on his feet.
184
00:20:24,323 --> 00:20:26,892
Thousands of Antarctic
emperor penguins
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00:20:27,026 --> 00:20:29,995
have quartered,
mated, and laid eggs.
186
00:20:31,964 --> 00:20:32,932
One per couple.
187
00:20:33,065 --> 00:20:43,042
♪ ♪
188
00:20:43,242 --> 00:20:45,778
They've got just one
complicated job.
189
00:20:46,712 --> 00:20:49,515
Keep it warm while
hell freezes over.
190
00:20:52,284 --> 00:20:56,388
Winter is on the doorstep, so
it's time for the female to
191
00:20:56,522 --> 00:20:59,258
hand over her precious cargo.
192
00:21:00,793 --> 00:21:03,863
Too many seconds on the ice
and the egg will freeze.
193
00:21:06,165 --> 00:21:10,002
Emperor dads protect their eggs
by cradling them on their feet.
194
00:21:12,671 --> 00:21:16,642
Under a luxurious belly
of fat and feathers.
195
00:21:22,381 --> 00:21:24,683
Every father will
remain on the ice
196
00:21:24,817 --> 00:21:26,652
through the depths of winter.
197
00:21:29,622 --> 00:21:32,591
♪ ♪
198
00:21:34,560 --> 00:21:38,030
While the mothers journey up
over 60 miles to the sea,
199
00:21:39,632 --> 00:21:42,868
where they will forage
until spring returns.
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00:21:44,904 --> 00:21:49,975
♪ ♪
201
00:21:56,816 --> 00:22:00,152
This is the last son
the fathers will see
202
00:22:00,286 --> 00:22:01,820
for more than two months.
203
00:22:10,863 --> 00:22:16,502
In the darkness, battling
savage winds and starvation,
204
00:22:16,635 --> 00:22:20,639
their sole mission is to
keep their eggs covered
205
00:22:20,773 --> 00:22:21,774
and off the ice.
206
00:22:24,310 --> 00:22:26,979
Instinctively, they
form a huddle.
207
00:22:31,083 --> 00:22:34,653
Penguins on the outside
protect penguins within
208
00:22:34,787 --> 00:22:37,423
against the cold, biting winds.
209
00:22:45,831 --> 00:22:49,835
Shifting constantly,
every bird spends time
210
00:22:49,969 --> 00:22:51,804
in the warm heart of the huddle.
211
00:22:55,541 --> 00:22:58,177
Heat at the center can
reach an incredible
212
00:22:58,310 --> 00:23:01,013
98.6 degrees Fahrenheit.
213
00:23:05,985 --> 00:23:09,755
Sustaining the scrum for
nearly two months nonstop
214
00:23:10,656 --> 00:23:12,458
takes a heavy toll.
215
00:23:15,527 --> 00:23:19,732
Sadly, not every father
masters the skill.
216
00:23:24,970 --> 00:23:28,807
Even the strongest males
lose half their body weight.
217
00:23:36,081 --> 00:23:38,284
♪ ♪
218
00:23:38,417 --> 00:23:41,553
As spring approaches,
chicks begin to hatch.
219
00:23:41,687 --> 00:23:50,896
♪ ♪
220
00:23:51,030 --> 00:23:54,733
They're born into the
toughest environment on earth
221
00:23:54,900 --> 00:23:58,537
and their fathers have
little left to give.
222
00:24:05,277 --> 00:24:07,980
A meager meal of
protein-rich crop milk
223
00:24:08,113 --> 00:24:11,116
secreted from a gland
in their esophagus.
224
00:24:11,250 --> 00:24:16,422
♪ ♪
225
00:24:21,760 --> 00:24:26,999
Just in time, the females
return with bellies full.
226
00:24:28,834 --> 00:24:32,871
In a rookery of thousands,
they must call for their mate.
227
00:24:37,643 --> 00:24:41,447
The female locates her partner,
desperate to see her young
228
00:24:41,580 --> 00:24:43,515
offspring for the first time.
229
00:24:46,752 --> 00:24:49,555
After months of
nurture and hardship,
230
00:24:49,688 --> 00:24:52,024
the male is a little reluctant.
231
00:24:53,125 --> 00:24:54,593
The exchange begins.
232
00:24:56,228 --> 00:24:57,930
It needs to be quick.
233
00:24:58,063 --> 00:25:02,301
Exposure to the ice can kill
newborns in just minutes.
234
00:25:06,004 --> 00:25:09,608
At last, the chick
can feed properly.
235
00:25:09,742 --> 00:25:16,648
♪ ♪
236
00:25:19,518 --> 00:25:22,287
Finally, it's the
male's turn to feed.
237
00:25:23,789 --> 00:25:26,759
♪ ♪
238
00:25:28,060 --> 00:25:31,730
The Antarctic ice pack is
now at its full extent.
239
00:25:36,568 --> 00:25:40,305
He'll spend days crossing
the ice to find open water.
240
00:25:42,608 --> 00:25:45,577
♪ ♪
241
00:25:52,084 --> 00:25:54,887
There are few more
heroic dads in nature
242
00:25:56,288 --> 00:26:00,726
and no better reward than an
epic fishing trip with the guys.
243
00:26:10,135 --> 00:26:13,772
Some species lay
it all on the line for love.
244
00:26:17,376 --> 00:26:20,779
These salmon have
destroyed their very lives
245
00:26:20,913 --> 00:26:22,748
in the hope of romance.
246
00:26:23,816 --> 00:26:26,785
♪ ♪
247
00:26:32,157 --> 00:26:35,427
But long before love
steals their breath away,
248
00:26:37,963 --> 00:26:42,634
male salmon hatchlings grow up
in the river of their birth.
249
00:26:46,972 --> 00:26:52,411
Eventually, it's time to
graduate to the open ocean.
250
00:26:54,546 --> 00:26:56,949
These are their bachelor years,
251
00:26:57,816 --> 00:27:00,719
living free and
hanging with the guys.
252
00:27:00,853 --> 00:27:04,990
♪ ♪
253
00:27:05,124 --> 00:27:06,458
But as they mature,
254
00:27:08,627 --> 00:27:13,031
they feel the urge to settle
down and have a family.
255
00:27:17,703 --> 00:27:22,241
Red, hot and randy, they
know just where to go.
256
00:27:24,610 --> 00:27:27,679
The spawning grounds
where mom and dad met.
257
00:27:27,813 --> 00:27:37,789
♪ ♪
258
00:27:41,527 --> 00:27:43,829
They swim for miles
against the current,
259
00:27:45,864 --> 00:27:48,534
hoping the party won't
start without them.
260
00:27:55,774 --> 00:27:58,911
But getting there
is so darned hard.
261
00:28:13,292 --> 00:28:15,060
And who invited these guys?
262
00:28:15,194 --> 00:28:25,137
♪ ♪
263
00:28:32,644 --> 00:28:37,115
Big, hairy bouncers
weeding out the weaklings.
264
00:28:37,249 --> 00:28:47,226
♪ ♪
265
00:28:52,664 --> 00:28:55,534
With the grizzlies in
the rear view mirror,
266
00:28:55,667 --> 00:28:59,638
our hookup party for the ages
finally kicks into gear.
267
00:29:05,143 --> 00:29:07,412
Everybody's looking hot.
268
00:29:08,380 --> 00:29:14,119
The guys run wild, hitting
on the girls and vibrating,
269
00:29:14,252 --> 00:29:16,989
encouraging them to lay eggs.
270
00:29:20,158 --> 00:29:22,294
♪ Oh yeah ♪
271
00:29:23,829 --> 00:29:28,233
At last, a partner and a
family on the horizon.
272
00:29:29,501 --> 00:29:31,737
If only they could enjoy it.
273
00:29:34,339 --> 00:29:37,542
But these guys left
it all on the field
274
00:29:37,676 --> 00:29:40,879
and there's nothing
left to give.
275
00:29:41,013 --> 00:29:42,014
They're punching out.
276
00:29:45,817 --> 00:29:48,920
When they die, their
decomposing bodies
277
00:29:49,054 --> 00:29:50,455
nourish their young.
278
00:29:51,189 --> 00:29:54,326
♪ ♪
279
00:29:56,528 --> 00:30:00,465
For never was there a
story ending in more roe
280
00:30:00,599 --> 00:30:04,469
than of these salmon
Juliets and their Romeos.
281
00:30:11,343 --> 00:30:12,044
Africa.
282
00:30:14,746 --> 00:30:20,152
Thousands of years of evolution
have created wildlife's
283
00:30:20,285 --> 00:30:21,586
biggest stars.
284
00:30:22,688 --> 00:30:27,326
Flamboyant exhibitionists,
crowd pleasers.
285
00:30:31,196 --> 00:30:32,998
And action heroes.
286
00:30:34,866 --> 00:30:37,969
But the biggest box
office draw of them all,
287
00:30:39,271 --> 00:30:40,839
the sausage tree.
288
00:30:47,846 --> 00:30:52,517
Weird
fruit, weird flowers,
289
00:30:52,651 --> 00:30:56,755
and an even weirder way
of spreading its seed.
290
00:31:01,426 --> 00:31:05,564
When you're rooted to the spot
like the Kigelia sausage tree,
291
00:31:07,966 --> 00:31:11,903
you need a little help
to scatter your seeds.
292
00:31:14,773 --> 00:31:18,910
Step one, gather a fan base.
293
00:31:21,346 --> 00:31:25,150
Use your leafy green
canopy to entice animals
294
00:31:25,283 --> 00:31:26,218
into the shade.
295
00:31:26,351 --> 00:31:29,354
♪ ♪
296
00:31:33,058 --> 00:31:37,596
Step two, give the
audience what they want.
297
00:31:39,931 --> 00:31:41,800
Sausage tree flowers
have evolved
298
00:31:41,967 --> 00:31:45,337
a seductive kind
of rancid perfume
299
00:31:46,471 --> 00:31:48,507
that everybody loves.
300
00:31:53,912 --> 00:31:57,082
And out here in Zambia's
Luangwa Valley,
301
00:31:57,215 --> 00:32:01,553
nothing says eat me quite
like kicking up a stink.
302
00:32:09,528 --> 00:32:12,531
Vervet monkeys come
in expecting lunch.
303
00:32:16,334 --> 00:32:18,770
But find dessert instead.
304
00:32:20,539 --> 00:32:22,707
Gorging on sugary nectar.
305
00:32:22,841 --> 00:32:25,944
♪ ♪
306
00:32:26,077 --> 00:32:29,881
In return, the tree
coats them in pollen
307
00:32:30,015 --> 00:32:33,151
that they'll carry to
other sausage trees,
308
00:32:33,285 --> 00:32:34,920
pollinating their flowers.
309
00:32:48,266 --> 00:32:52,137
In just a few weeks,
the sausage tree's reproductive
310
00:32:52,270 --> 00:32:54,739
strategy shows results.
311
00:32:55,740 --> 00:32:59,411
Behold, the sausage fruit.
312
00:33:08,353 --> 00:33:14,125
The sausage tree needs an animal
agent to extract its seeds.
313
00:33:26,671 --> 00:33:31,243
Heat and drought resistant,
a windfall of sausage
314
00:33:31,376 --> 00:33:34,512
fruits is a bonanza
for starving animals.
315
00:33:34,646 --> 00:33:40,752
♪ ♪
316
00:33:49,594 --> 00:33:51,930
Enter the olive baboons.
317
00:34:07,279 --> 00:34:09,714
They gnaw through
the shell easily.
318
00:34:10,882 --> 00:34:16,788
♪ ♪
319
00:34:16,922 --> 00:34:19,824
Devouring the fleshy
pulp and seeds inside.
320
00:34:22,427 --> 00:34:25,564
♪ ♪
321
00:34:30,268 --> 00:34:33,138
Within a few hours,
the urge to poop
322
00:34:33,271 --> 00:34:36,474
sausage tree seeds
runs through the troop
323
00:34:36,608 --> 00:34:38,343
like a wave of dyspepsia.
324
00:34:41,513 --> 00:34:44,816
For the sausage tree,
mission accomplished.
325
00:35:01,733 --> 00:35:03,568
When the rains finally come,
326
00:35:07,038 --> 00:35:10,041
the young sausage
saplings spring to life.
327
00:35:22,787 --> 00:35:28,126
Emerging into the spotlight,
one day to take their place as
328
00:35:28,259 --> 00:35:31,830
icons of the African savannah.
329
00:35:39,170 --> 00:35:42,841
Meet Australia's flying foxes.
330
00:35:44,342 --> 00:35:47,779
Masters of life in the
upside down under.
331
00:35:57,088 --> 00:36:03,528
♪ ♪
332
00:36:06,398 --> 00:36:09,567
For some, the idea of
mating upside down
333
00:36:09,701 --> 00:36:13,938
might seem on the far
side of experimental.
334
00:36:14,072 --> 00:36:18,043
For the fruit bats, this
is as normal as it gets.
335
00:36:18,977 --> 00:36:23,748
Inverted, females hang onto
the males by their ankles
336
00:36:24,716 --> 00:36:27,519
while he grabs onto her
neck with his teeth,
337
00:36:27,652 --> 00:36:29,888
pinning her wings to her side.
338
00:36:36,928 --> 00:36:39,864
♪ ♪
339
00:36:47,305 --> 00:36:49,474
Their encounter is over.
340
00:36:59,350 --> 00:37:03,254
A year later, the baby
bats are starting
341
00:37:03,388 --> 00:37:05,657
to get the hang of adult life.
342
00:37:14,099 --> 00:37:17,702
But there's no upside down
time for the bat mothers.
343
00:37:19,471 --> 00:37:22,774
They must teach their pups
the ways of the forest.
344
00:37:24,909 --> 00:37:27,912
Like how to find
fruits and nectar.
345
00:37:37,522 --> 00:37:42,360
And as the sun climbs
higher, how to stay cool.
346
00:37:46,464 --> 00:37:49,801
Because these bats
have a fatal flaw.
347
00:37:56,040 --> 00:37:58,309
Above 100 degrees Fahrenheit,
348
00:37:58,443 --> 00:38:00,845
flying foxes can die
from heat stress.
349
00:38:05,750 --> 00:38:09,654
So baby bats need to
learn how to take a dip.
350
00:38:15,827 --> 00:38:19,264
Coarse hairs on their belly
and chest absorb water,
351
00:38:19,397 --> 00:38:21,833
which they lick
off at the roost.
352
00:38:36,281 --> 00:38:37,682
But it's a gutsy mission.
353
00:39:17,655 --> 00:39:21,693
The lucky surviving mothers
return to the roost,
354
00:39:22,760 --> 00:39:27,298
reuniting with their
pups and the safer world
355
00:39:27,432 --> 00:39:29,500
of life upside down.
356
00:39:42,513 --> 00:39:46,317
In the far flung reaches
of the Indian Ocean,
357
00:39:46,451 --> 00:39:49,621
there is a strange island,
358
00:39:49,754 --> 00:39:54,025
seething with
ritualistic mating rites.
359
00:39:56,761 --> 00:39:59,697
♪ ♪
360
00:40:02,567 --> 00:40:05,303
A scarlet kingdom
of crustaceans,
361
00:40:05,436 --> 00:40:07,672
unlike anywhere on earth.
362
00:40:10,508 --> 00:40:13,411
Where red crabs gather
beneath the quarter moon
363
00:40:13,544 --> 00:40:16,247
in an orgy for the ages.
364
00:40:24,422 --> 00:40:26,457
♪ ♪
365
00:40:26,591 --> 00:40:30,495
The Christmas Island crab
is a pleasure seeker
366
00:40:30,628 --> 00:40:34,599
extraordinaire. For
most of the year,
367
00:40:34,732 --> 00:40:38,136
these crabs live the single
life in the rainforest.
368
00:40:44,942 --> 00:40:47,912
But come the wet
season's first rains,
369
00:40:52,684 --> 00:40:57,422
the island erupts in an
amorous mass migration.
370
00:41:04,028 --> 00:41:07,298
In order to mate,
these land crabs need
371
00:41:07,432 --> 00:41:09,300
to get back to the beach.
372
00:41:10,368 --> 00:41:13,504
♪ ♪
373
00:41:16,674 --> 00:41:20,812
But they live far from
the nearest coastline
374
00:41:23,948 --> 00:41:26,884
and man-made obstacles
litter their path.
375
00:41:27,018 --> 00:41:36,994
♪ ♪
376
00:41:41,299 --> 00:41:44,469
Powerful hormones flood
the crabs' bodies.
377
00:41:46,838 --> 00:41:50,808
Pumped up on these love
drugs, island traffic is a
378
00:41:50,942 --> 00:41:52,477
mere inconvenience.
379
00:41:57,415 --> 00:42:02,387
These frisky crabs
risk more than just
380
00:42:02,520 --> 00:42:03,788
a broken heart.
381
00:42:08,826 --> 00:42:18,770
♪ ♪
382
00:42:22,507 --> 00:42:26,010
Finally, they reach
the ocean's edge.
383
00:42:31,382 --> 00:42:34,886
The larger male crabs
arrive before the horde
384
00:42:37,321 --> 00:42:40,024
and are the first to
inseminate the females.
385
00:42:40,158 --> 00:42:44,762
♪ ♪
386
00:42:54,605 --> 00:42:58,910
After mating, the females
congregate by the shoreline
387
00:42:59,043 --> 00:43:01,512
in pregnant anticipation.
388
00:43:03,247 --> 00:43:06,851
Before dawn, when the moon
reaches its last quarter,
389
00:43:06,984 --> 00:43:11,289
♪ ♪
390
00:43:11,422 --> 00:43:15,827
the females release more than
a billion eggs into the water.
391
00:43:21,365 --> 00:43:23,701
Larvae hatch instantly.
392
00:43:28,039 --> 00:43:32,643
Over the next month, their
transformation is spectacular,
393
00:43:34,912 --> 00:43:38,382
developing into fully
formed baby crabs.
394
00:43:39,784 --> 00:43:44,422
The crimson tide of new life
reclaims Christmas Island.
395
00:43:45,723 --> 00:43:49,360
Just another incredible
origin story,
396
00:43:49,494 --> 00:43:53,598
and living proof evolution
is alive and conjuring
397
00:43:53,731 --> 00:43:57,702
every conceivable way
for life to succeed.
32203
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