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(BIRDS CHIRPING)
2
00:00:09,920 --> 00:00:13,360
NARRATOR:
Even the most respected grown-up...
3
00:00:13,400 --> 00:00:15,360
(SQUAWKING)
4
00:00:15,400 --> 00:00:18,880
..was once a party animal
searching for love.
5
00:00:20,680 --> 00:00:25,200
Hot blood leads
to seductive behaviour.
6
00:00:25,240 --> 00:00:27,280
(SENSUAL JAZZ MUSIC)
7
00:00:28,520 --> 00:00:33,520
And when the Flame Bowerbird
drops its jungle boogie,
8
00:00:33,560 --> 00:00:38,840
it's irresistibly weird.
(SQUAWKING)
9
00:00:43,080 --> 00:00:45,320
The creatures of Earth...
10
00:00:46,480 --> 00:00:51,160
are wilder than you could
possibly imagine. (Honking)
11
00:00:52,200 --> 00:00:54,560
Among the fast...
12
00:00:54,600 --> 00:00:59,320
and fearsome
are the astoundingly crazy.
13
00:01:03,000 --> 00:01:05,120
With strange behaviour...
14
00:01:05,160 --> 00:01:07,520
and outrageous fashion sense.
15
00:01:10,560 --> 00:01:12,560
They're all in a competition
to survive...
16
00:01:14,080 --> 00:01:17,240
...and weirdness always wins.
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00:01:17,280 --> 00:01:19,280
(DRAMATIC MUSIC)
18
00:01:27,400 --> 00:01:29,400
(BIRDS CHIRPING)
19
00:01:34,479 --> 00:01:37,680
Inhabiting waterways
across the globe...
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00:01:39,520 --> 00:01:42,000
..there's a strange creature.
21
00:01:43,360 --> 00:01:46,280
That's beauty, beast..
22
00:01:46,320 --> 00:01:50,320
and record-breaking killer
all in one.
23
00:01:55,600 --> 00:01:59,039
This pregnant dragonfly
is in a rush.
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00:02:00,000 --> 00:02:05,400
With only 8 weeks of life, she's made
the most of the dating pool.
25
00:02:06,760 --> 00:02:09,320
Now she needs to deliver her eggs.
26
00:02:13,360 --> 00:02:15,360
The dark waters of a pond?
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Perfect.
28
00:02:20,800 --> 00:02:24,040
Ovipositor dipped below the surface,
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she deposits her brood.
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00:02:27,520 --> 00:02:30,200
For some, motherhood is about care,
31
00:02:30,240 --> 00:02:33,960
nurturing, and unconditional love...
32
00:02:35,560 --> 00:02:37,560
..but not this dragonfly.
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(DANCE MUSIC)
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Dumping the kids and taking off
is how dragonfly mothers roll.
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00:02:49,520 --> 00:02:52,320
Eggs laid, she splits for good.
36
00:02:55,360 --> 00:02:58,160
(BIRDS TWEETING)
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00:03:01,720 --> 00:03:05,280
(FROGS CROAKING)
38
00:03:09,800 --> 00:03:12,240
Months have passed...
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00:03:12,280 --> 00:03:16,560
and the dragonfly offspring
looks nothing like her mother.
40
00:03:20,400 --> 00:03:24,520
Orphaned, she needs to grow fast
to survive.
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00:03:27,320 --> 00:03:30,880
Natural-born killer
instincts kick in.
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00:03:38,360 --> 00:03:40,520
With her target locked...
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the nymph draws in water
through her backside.
44
00:03:48,360 --> 00:03:53,040
Then forces it forward
to fire her lower jaw.
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00:03:58,000 --> 00:04:00,000
(SUSPENSEFUL MUSIC)
46
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For two years the nymph terrorises
her aquatic world...
47
00:04:16,079 --> 00:04:18,920
..growing bigger and stronger.
48
00:04:25,800 --> 00:04:29,840
The ugly hatchling has become
one of the pond's top predators.
49
00:04:41,320 --> 00:04:46,560
But the time comes
when the pond monster must be reborn.
50
00:04:46,600 --> 00:04:48,600
(CRICKETS CHIRPING)
51
00:04:55,240 --> 00:04:59,040
Water-breathing gills transform
to take in air.
52
00:05:01,000 --> 00:05:03,360
She leaves the dark waters behind
53
00:05:03,400 --> 00:05:06,840
and heads toward the moonlight.
54
00:05:11,960 --> 00:05:14,200
The nymph expands her body...
55
00:05:15,040 --> 00:05:18,720
..excreting solvents
that help her moult.
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00:05:21,800 --> 00:05:25,800
Her hard exoskeleton cracks open...
57
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..and the killer is remade.
58
00:05:45,120 --> 00:05:47,120
(BIRDS CHIRPING)
59
00:05:50,640 --> 00:05:52,960
Like an insect Cinderella,
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00:05:53,000 --> 00:05:56,159
she's suddenly glamorous.
61
00:05:58,800 --> 00:06:02,480
But can she really leave
her dark past behind?
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00:06:07,320 --> 00:06:09,360
Her appearance may have changed,
63
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but she's become even more deadly.
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00:06:13,520 --> 00:06:16,760
Able to fly almost
60 kilometres per hour.
65
00:06:19,560 --> 00:06:23,440
..executing sudden turns
in any direction.
66
00:06:23,480 --> 00:06:27,640
With a hunting success rate
reaching 95%.
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00:06:29,240 --> 00:06:33,000
She is the most successful predator
on the planet.
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00:06:37,200 --> 00:06:41,920
And the first chance she gets
she'll pair up, mate...
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00:06:43,480 --> 00:06:46,760
..and dish out tough love
to her own offspring.
70
00:06:49,760 --> 00:06:52,200
They may be born into squalor,
71
00:06:52,240 --> 00:06:57,600
but dragonflies that survive
are all destined to be high-flyers...
72
00:06:58,400 --> 00:07:01,360
..beautiful, but deadly.
73
00:07:08,760 --> 00:07:11,280
The islands of New Guinea...
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00:07:13,120 --> 00:07:15,840
..are a cauldron of quirky courtship.
75
00:07:19,800 --> 00:07:22,160
(BIRDS CHIRPING)
76
00:07:31,240 --> 00:07:33,680
These female Flame Bowerbirds
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00:07:33,720 --> 00:07:36,000
are window shopping for a mate.
78
00:07:40,280 --> 00:07:43,400
And this elegant bower,
come love lair,
79
00:07:43,440 --> 00:07:46,000
has aroused their curiosity.
80
00:07:52,000 --> 00:07:56,040
Constructed by the male
Flame Bowerbird...
81
00:07:57,600 --> 00:08:02,800
..a hypnotic dance freak
with a ton of funk in his junk.
82
00:08:08,240 --> 00:08:11,000
But these gals will need convincing.
83
00:08:11,040 --> 00:08:14,600
Because he's gonna be
a fly-by-night father
84
00:08:14,640 --> 00:08:17,800
and leave her to raise
the kids alone.
85
00:08:19,080 --> 00:08:22,080
Genetic dorks need not apply.
86
00:08:32,080 --> 00:08:35,200
So, they are looking long and hard.
87
00:08:37,080 --> 00:08:41,440
He's got just one chance
to show what's in his genes.
88
00:08:43,400 --> 00:08:46,080
The bower he's built isn't a nest.
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It's just a stage
to entertain the ladies.
90
00:08:54,720 --> 00:08:57,760
He fusses over the final touches.
91
00:09:00,120 --> 00:09:02,120
(SQUAWKING)
92
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She's still not convinced.
93
00:09:10,440 --> 00:09:12,960
But this isn't his first rodeo.
94
00:09:13,000 --> 00:09:16,960
He knows just the thing
to light their fire.
95
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Accessorise!
96
00:09:22,640 --> 00:09:26,680
Nothing pulls the ladies
like a splash of colour.
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00:09:38,640 --> 00:09:42,000
Baubles of blue, purple, and grey
98
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arranged to seduce.
99
00:09:47,680 --> 00:09:49,320
Oh!
100
00:09:49,360 --> 00:09:51,360
That's lured one in.
101
00:09:57,000 --> 00:09:59,200
And now that he has an audience...
102
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..it's time to bust a move.
103
00:10:03,280 --> 00:10:05,240
(SENSUAL MUSIC)
104
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# Mm
105
00:10:10,760 --> 00:10:12,760
# Baby #
106
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(CHIRPING)
107
00:10:22,360 --> 00:10:24,800
Plain Jane is mesmerised.
108
00:10:28,640 --> 00:10:30,640
Her own Magic Mike.
109
00:10:51,600 --> 00:10:53,440
(CHIRPING)
110
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The bower makes it steamier.
111
00:10:57,120 --> 00:10:59,840
The walls frame his performance.
112
00:11:01,760 --> 00:11:03,240
(CHIRPING)
113
00:11:06,920 --> 00:11:10,800
From where she stands,
he looks bigger, flashier
114
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and totally irresistible!
115
00:11:19,480 --> 00:11:21,320
(SQUAWKING)
116
00:11:21,360 --> 00:11:26,760
The male Flame Bowerbird
is truly funk meister number one.
117
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(CHIRPS)
118
00:11:34,720 --> 00:11:36,720
He gets down to business...
119
00:11:40,320 --> 00:11:42,960
..and heads for the door.
120
00:11:45,320 --> 00:11:49,080
Because this bad boy has
more booty calls to make.
121
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(SQUAWKING)
122
00:11:55,120 --> 00:11:57,120
(BIRDS TRILLING)
123
00:12:02,560 --> 00:12:05,680
This pair of four-lined tree frogs
124
00:12:05,720 --> 00:12:10,320
are up and ready
for a little romance.
125
00:12:10,360 --> 00:12:13,160
They're soon-to-be
upmarket parents.
126
00:12:15,160 --> 00:12:19,520
The kind that spoil their kids
and leave them a fortune.
127
00:12:20,920 --> 00:12:23,200
(CROAKING)
128
00:12:29,640 --> 00:12:33,080
But first.. a moment of passion.
129
00:12:34,840 --> 00:12:36,880
Oh, yeah.
130
00:12:36,920 --> 00:12:38,880
The male is smaller...
131
00:12:38,920 --> 00:12:41,840
but he has big ambitions.
132
00:12:45,240 --> 00:12:49,200
Why not add a bubble bath
for a touch of glamour?
133
00:12:51,240 --> 00:12:54,160
But there's no Bed, Bath,
and Beyond out here.
134
00:13:00,720 --> 00:13:06,000
So, they use mucus,
secreted from their back legs.
135
00:13:06,040 --> 00:13:08,040
(CROAKING)
136
00:13:12,400 --> 00:13:14,800
It forms a dense foam nest...
137
00:13:15,720 --> 00:13:18,280
..which will harden on the outside,
138
00:13:18,320 --> 00:13:20,200
but remain moist within...
139
00:13:23,040 --> 00:13:28,920
..creating a crusty but weirdly
luxurious incubation chamber.
140
00:13:30,800 --> 00:13:34,200
The female releases
her eggs into the nest.
141
00:13:37,200 --> 00:13:40,840
The male frog fertilises the clutch.
142
00:13:47,240 --> 00:13:50,200
Rainforest rendezvous complete,
143
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they leave their offspring
with a glistening endowment
144
00:13:53,840 --> 00:13:55,680
to see them through.
145
00:13:58,520 --> 00:14:00,520
(ANIMALS SQUAWKING)
146
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(THUNDER RUMBLING)
147
00:14:09,440 --> 00:14:11,640
(THUNDER CRACKS)
148
00:14:14,840 --> 00:14:17,320
Three days later...
149
00:14:17,360 --> 00:14:21,720
rainwater dissolves the foamy refuge
150
00:14:22,640 --> 00:14:25,400
..and tadpoles emerge.
151
00:14:36,560 --> 00:14:38,480
(ANIMALS HOOTING AND CHIRPING)
152
00:14:47,040 --> 00:14:49,480
After such a pampered upbringing,
153
00:14:49,520 --> 00:14:53,600
the first of nature's truths
hits hard...
154
00:14:53,640 --> 00:14:55,640
hunger.
155
00:15:01,920 --> 00:15:04,920
Time to dip into the trust fund.
156
00:15:04,960 --> 00:15:06,480
(BIRD WHISTLING)
157
00:15:06,520 --> 00:15:08,560
The foam nest
they once called home...
158
00:15:09,800 --> 00:15:11,840
..is also a source of food.
159
00:15:11,880 --> 00:15:14,640
(SQUELCHING)
160
00:15:18,440 --> 00:15:20,560
Kinda weird to be eating
your parent's bed sheets.
161
00:15:23,760 --> 00:15:27,760
But this inheritance will fuel
the tadpole's rapid growth.
162
00:15:33,480 --> 00:15:35,880
These kids are on easy street.
163
00:15:46,160 --> 00:15:48,160
Growing pains kick in...
164
00:15:49,000 --> 00:15:51,440
..as the pampered youth sprout limbs.
165
00:15:56,560 --> 00:16:00,880
And gills are replaced
with air-breathing lungs.
166
00:16:03,960 --> 00:16:06,720
Within weeks, the froglets emerge
167
00:16:06,760 --> 00:16:11,280
from their aquatic dorm rooms,
ready for some adulting.
168
00:16:11,320 --> 00:16:13,320
(CROAKING)
169
00:16:19,720 --> 00:16:21,520
All too quickly...
170
00:16:24,080 --> 00:16:26,400
..the rush of hormones...
171
00:16:26,440 --> 00:16:30,640
and this new generation
of silver spooners
172
00:16:30,680 --> 00:16:32,920
are looking for frog love, too.
173
00:16:36,240 --> 00:16:40,960
Bequeathing the family fortune
to golden zions of their own.
174
00:16:52,720 --> 00:16:57,000
Life for a wood duck mother,
is a continual test.
175
00:16:59,880 --> 00:17:03,360
She's flat-out feeding
on pond weed and snails.
176
00:17:08,400 --> 00:17:11,040
While her ex sits around and preens.
177
00:17:13,240 --> 00:17:16,079
He's all flash and no substance...
178
00:17:17,000 --> 00:17:20,839
..leaving her to bring up
the kids alone.
179
00:17:22,599 --> 00:17:24,079
(QUACKING)
180
00:17:26,920 --> 00:17:29,400
(GENTLE MUSIC)
181
00:17:29,440 --> 00:17:34,320
Mother duck has safely laid
her eggs in a top-floor roost.
182
00:17:36,760 --> 00:17:39,520
There's no need
for babysitting up here.
183
00:17:41,640 --> 00:17:44,760
They're safe from almost anything.
184
00:17:48,440 --> 00:17:50,440
Almost.
185
00:17:53,640 --> 00:17:58,080
Rat snakes eat eggs for breakfast.
186
00:17:58,120 --> 00:18:00,720
And they're clever climbers.
187
00:18:01,760 --> 00:18:05,560
A couple duck eggs
are easy pickings.
188
00:18:12,320 --> 00:18:14,360
(EERIE MUSIC)
189
00:18:20,520 --> 00:18:22,200
Down in the water...
190
00:18:23,320 --> 00:18:25,320
..mother duck has no idea.
191
00:18:27,480 --> 00:18:30,720
But she may not give a quack,
192
00:18:30,760 --> 00:18:34,760
because wood ducks need to be
as hard as nails.
193
00:18:34,800 --> 00:18:36,800
(CHIRPING)
194
00:18:45,760 --> 00:18:47,920
From the moment they hatch...
195
00:18:49,080 --> 00:18:52,760
..her little flock face
sky-high challenges.
196
00:18:52,800 --> 00:18:55,480
(CHIRPING)
197
00:19:00,400 --> 00:19:03,280
Number one, they're way up here.
198
00:19:08,040 --> 00:19:10,360
Number two...
199
00:19:10,400 --> 00:19:13,800
Mum's down there.
(QUACKING)
200
00:19:15,480 --> 00:19:17,640
And three...
201
00:19:17,680 --> 00:19:19,960
the Rat Snake's back.
202
00:19:21,160 --> 00:19:23,840
(CHIRPING)
Eggs are fine,
203
00:19:23,880 --> 00:19:28,840
but soft little duck nuggets
are next level.
204
00:19:28,880 --> 00:19:30,920
It's crunch time.
205
00:19:32,880 --> 00:19:34,560
Or at least it will be
206
00:19:34,600 --> 00:19:37,800
if the ducklings don't make
a leap of faith.
207
00:19:41,160 --> 00:19:43,360
(PLAYFUL MUSIC)
208
00:19:46,280 --> 00:19:50,240
Her little offspring
must upspring and outspring...
209
00:19:52,920 --> 00:19:54,760
..before they're eaten.
210
00:19:55,840 --> 00:19:57,520
(CHIRPING)
211
00:20:01,000 --> 00:20:04,120
These little ducks
are born base jumpers!
212
00:20:07,640 --> 00:20:10,000
(QUACKING)
213
00:20:11,200 --> 00:20:12,920
The final chick...
214
00:20:12,960 --> 00:20:15,160
and the snake is close.
215
00:20:16,480 --> 00:20:18,280
(DRAMATIC MUSIC)
216
00:20:20,880 --> 00:20:22,880
(CHIRPING)
217
00:20:24,000 --> 00:20:26,720
Time to get the duck out of here.
218
00:20:27,560 --> 00:20:29,960
(GENTLE MUSIC)
219
00:20:33,600 --> 00:20:36,520
All the ducklings have made it.
220
00:20:38,440 --> 00:20:40,880
One small step for motherhood,
221
00:20:40,920 --> 00:20:44,600
one giant leap for ducklings.
222
00:20:44,640 --> 00:20:46,640
(CHIRPING)
223
00:20:51,520 --> 00:20:53,400
Growing up gangster,
224
00:20:53,440 --> 00:20:55,840
there was only ever one option
for this ant.
225
00:20:57,040 --> 00:20:59,280
The construction racket.
226
00:21:00,160 --> 00:21:03,840
His family is one mean outfit.
227
00:21:03,880 --> 00:21:06,280
How mean you ask?
228
00:21:06,320 --> 00:21:10,680
So mean, they turn their
own babies into caulking guns.
229
00:21:10,720 --> 00:21:13,000
(SQUELCHING)
230
00:21:13,880 --> 00:21:17,000
Just to get the job done.
231
00:21:23,080 --> 00:21:25,960
Like an organised ant syndicate...
232
00:21:26,960 --> 00:21:30,520
..for green weavers,
family is everything.
233
00:21:32,760 --> 00:21:35,240
And their territory is sacred.
234
00:21:39,280 --> 00:21:41,280
Turf wars are common.
235
00:21:42,200 --> 00:21:46,480
It's gangland rules and the bigger
the foe, the harder they fall.
236
00:21:55,920 --> 00:21:59,200
Even when they get double-crossed
by their own kind...
237
00:22:01,200 --> 00:22:05,040
..weaver ants are one family
that don't like to be muscled.
238
00:22:11,320 --> 00:22:13,280
(Italian music)
239
00:22:13,320 --> 00:22:16,680
And a solid mobster house
is critical.
240
00:22:18,840 --> 00:22:21,160
High in the trees...
241
00:22:22,080 --> 00:22:23,960
..away from prying eyes.
242
00:22:25,160 --> 00:22:27,320
(CLUCKING)
243
00:22:29,080 --> 00:22:31,840
More than half a million ants
244
00:22:31,880 --> 00:22:35,520
can live in these leafy hideouts,
245
00:22:35,560 --> 00:22:39,480
which require exquisite engineering.
246
00:22:43,840 --> 00:22:46,000
(PLAYFUL MUSIC)
247
00:22:46,040 --> 00:22:49,120
Building a bridge
from one leaf to another...
248
00:22:50,760 --> 00:22:53,760
..they use their powerful mandibles
249
00:22:53,800 --> 00:22:58,600
and hooked tarsal claws
to draw leaves closer together...
250
00:23:02,840 --> 00:23:06,080
..until they have a solid foundation.
251
00:23:08,040 --> 00:23:10,560
The challenge now is
how to bind everything.
252
00:23:12,520 --> 00:23:16,920
For that, they summon the youngest
wise guy on the books.
253
00:23:18,960 --> 00:23:21,840
(GODFATHER IMITATION)
With an offer he can't refuse.
254
00:23:24,280 --> 00:23:26,320
That's an ant larvae,
255
00:23:27,440 --> 00:23:29,880
he's also glue!
256
00:23:33,440 --> 00:23:35,840
A gentle squeeze...
257
00:23:35,880 --> 00:23:38,480
and the larvae secretes
sticky silk...
258
00:23:40,080 --> 00:23:42,120
..perfect for binding leaves.
259
00:23:43,920 --> 00:23:47,360
It's like using baby booger
as cement.
260
00:23:56,360 --> 00:23:59,560
Ant larvae usually produce silk
to make cocoons.
261
00:24:01,040 --> 00:24:03,920
A tiny home where they can transition
262
00:24:03,960 --> 00:24:07,040
into grown mobsters in solitude.
263
00:24:10,840 --> 00:24:12,840
They may be small fry,
264
00:24:12,880 --> 00:24:15,440
but weaver ant larvae are workers
265
00:24:15,480 --> 00:24:17,480
from the cradle to grave.
266
00:24:20,520 --> 00:24:24,200
(GODFATHER IMITATION)
It's how the family sticks together.
267
00:24:38,600 --> 00:24:43,800
This lone penguin is about to face
one of Earth's craziest challenges.
268
00:24:44,640 --> 00:24:47,760
Survive the most brutal winter
on the planet...
269
00:24:50,640 --> 00:24:53,200
..while balancing an egg on his feet!
270
00:24:59,280 --> 00:25:01,880
(PENGUINS SQUAWKING)
271
00:25:02,760 --> 00:25:05,560
Thousands of Antarctic
Emperor Penguins
272
00:25:05,600 --> 00:25:08,920
have courted, mated and laid eggs.
273
00:25:10,120 --> 00:25:12,120
One per couple.
274
00:25:12,160 --> 00:25:13,600
(SQUAWKING)
275
00:25:21,640 --> 00:25:24,600
They've got just one complicated job,
276
00:25:24,640 --> 00:25:27,960
keep it warm
while hell freezes over.
277
00:25:29,040 --> 00:25:30,960
(SQUAWKING)
278
00:25:31,000 --> 00:25:33,000
Winter is on the doorstep,
279
00:25:33,040 --> 00:25:37,840
so it's time for the female
to hand over her precious cargo.
280
00:25:39,240 --> 00:25:42,360
Too many seconds on the ice
and their egg will freeze.
281
00:25:44,760 --> 00:25:46,640
Emperor Dads protect their eggs
282
00:25:46,680 --> 00:25:49,080
by cradling them on their feet...
283
00:25:50,800 --> 00:25:55,280
..under a luxurious
belly of fat and feathers.
284
00:25:58,080 --> 00:26:00,640
(DRAMATIC MUSIC)
285
00:26:00,680 --> 00:26:03,440
Every father will remain on the ice
286
00:26:03,480 --> 00:26:05,520
through the depths of winter.
287
00:26:12,720 --> 00:26:17,000
While the mothers' journey up
to 100 kilometres to the sea...
288
00:26:18,160 --> 00:26:21,280
..where they will forage
until spring returns.
289
00:26:35,040 --> 00:26:38,560
This is the last sun
the fathers will see
290
00:26:38,600 --> 00:26:40,600
for more than two months.
291
00:26:43,200 --> 00:26:45,200
(WIND GUSTING)
292
00:26:49,240 --> 00:26:51,480
In the darkness,
293
00:26:51,520 --> 00:26:54,880
battling savage winds and starvation,
294
00:26:54,920 --> 00:27:00,240
their sole mission is to keep
their eggs covered and off the ice.
295
00:27:02,720 --> 00:27:05,640
Instinctively, they form a huddle.
296
00:27:06,720 --> 00:27:08,720
(SQUAWKING)
297
00:27:09,600 --> 00:27:13,240
Penguins on the outside
protect penguins within
298
00:27:13,280 --> 00:27:16,000
against the cold-biting winds.
299
00:27:23,880 --> 00:27:25,920
Shifting constantly,
300
00:27:25,960 --> 00:27:30,280
every bird spends time
in the warm heart of the huddle.
301
00:27:32,480 --> 00:27:34,240
(LOUD SQUAWK)
302
00:27:34,280 --> 00:27:39,000
Heat at the centre can reach
an incredible 37 degrees Celsius.
303
00:27:44,640 --> 00:27:48,760
Sustaining the scrum for nearly
two months non-stop...
304
00:27:48,800 --> 00:27:50,800
takes a heavy toll.
305
00:27:53,960 --> 00:27:58,280
Sadly, not every father
master's the skill.
306
00:28:03,440 --> 00:28:07,360
Even the strongest males
lose half their body weight.
307
00:28:13,040 --> 00:28:15,040
(GENTLE MUSIC)
308
00:28:16,920 --> 00:28:20,200
As spring approaches,
chicks begin to hatch.
309
00:28:29,600 --> 00:28:33,320
They're born into the toughest
environment on Earth,
310
00:28:33,360 --> 00:28:37,080
and their fathers have
little left to give.
311
00:28:40,120 --> 00:28:43,320
A meagre meal of penguin pablum...
312
00:28:44,680 --> 00:28:46,800
..protein-rich crop milk
313
00:28:46,840 --> 00:28:49,960
secreted from a gland
in their oesophagus.
314
00:29:00,240 --> 00:29:02,040
Just in time...
315
00:29:02,080 --> 00:29:05,480
the females return with bellies full.
316
00:29:07,320 --> 00:29:11,040
In a rookery of thousands,
they must call for their mate.
317
00:29:11,080 --> 00:29:12,800
(SQUAWKING)
318
00:29:15,600 --> 00:29:18,600
The female locates her partner,
319
00:29:18,640 --> 00:29:21,680
desperate to see her young offspring
for the first time.
320
00:29:25,360 --> 00:29:27,480
After months of nurture and hardship,
321
00:29:28,280 --> 00:29:31,000
the male is a little reluctant.
322
00:29:31,040 --> 00:29:33,160
The exchange begins.
323
00:29:34,640 --> 00:29:36,560
It needs to be quick,
324
00:29:36,600 --> 00:29:41,080
exposure to the ice can kill
newborns in just minutes.
325
00:29:43,040 --> 00:29:44,560
(WEAK CHIRP)
326
00:29:44,600 --> 00:29:48,240
At last, the chick can feed properly.
327
00:29:58,000 --> 00:30:01,320
Finally,
it's the male's turn to feed.
328
00:30:01,360 --> 00:30:03,360
(DANCE MUSIC)
329
00:30:06,680 --> 00:30:10,280
The Antarctic ice pack is now
at its full extent.
330
00:30:15,040 --> 00:30:19,080
He'll spend days crossing the ice
to find open water.
331
00:30:30,640 --> 00:30:33,400
There are few more heroic dads
in nature...
332
00:30:34,640 --> 00:30:36,680
..and no better reward
333
00:30:36,720 --> 00:30:39,240
than an epic fishing trip
with the guys.
334
00:30:51,960 --> 00:30:53,960
(SOLEMN MUSIC)
335
00:30:58,360 --> 00:31:02,080
Some species lay it all
on the line for love.
336
00:31:03,080 --> 00:31:04,640
(BIRDS CHIRPING)
337
00:31:05,560 --> 00:31:09,040
These salmon have destroyed
their very lives
338
00:31:09,080 --> 00:31:11,080
in the hope of romance.
339
00:31:20,520 --> 00:31:24,040
But long before love steals
their breath away...
340
00:31:26,320 --> 00:31:31,080
..male salmon hatchlings grow up
in the river of their birth.
341
00:31:35,160 --> 00:31:39,080
Eventually, it's time to graduate
342
00:31:39,120 --> 00:31:41,120
to the open ocean.
343
00:31:42,840 --> 00:31:44,880
These are their bachelor years...
344
00:31:46,400 --> 00:31:49,200
..living free and hanging
with the guys.
345
00:31:53,040 --> 00:31:55,040
But as they mature...
346
00:31:56,960 --> 00:32:01,320
..they feel the urge to settle down
and have a family.
347
00:32:03,800 --> 00:32:06,040
They bulk up...
348
00:32:07,000 --> 00:32:09,000
..and work on their appearance.
349
00:32:09,040 --> 00:32:11,040
(ROCK MUSIC)
350
00:32:12,840 --> 00:32:14,640
Red hot and randy...
351
00:32:15,560 --> 00:32:17,520
..they know just where to go.
352
00:32:19,760 --> 00:32:23,200
The spawning grounds
where Mom and Dad met.
353
00:32:30,280 --> 00:32:32,360
(DRAMATIC MUSIC)
354
00:32:36,560 --> 00:32:39,040
They swim for miles against
the current...
355
00:32:41,040 --> 00:32:43,560
..hoping the party won't start
without them.
356
00:32:50,960 --> 00:32:54,160
But getting there is so darned hard.
357
00:32:54,200 --> 00:32:56,520
(SQUAWKING)
358
00:33:08,160 --> 00:33:10,320
And who invited these guys?
359
00:33:10,360 --> 00:33:12,440
(BEARS HUFFING)
360
00:33:27,680 --> 00:33:31,960
Big hairy bouncers,
weeding out the weaklings.
361
00:33:39,840 --> 00:33:42,440
(SAD TROMBONE MUSIC)
362
00:33:47,640 --> 00:33:50,480
With the grizzlies
in the rearview mirror,
363
00:33:50,520 --> 00:33:54,640
a hook-up party for the ages
finally kicks into gear.
364
00:33:54,680 --> 00:33:57,200
(DISCO MUSIC)
365
00:33:59,880 --> 00:34:02,880
Everybody's looking hot.
366
00:34:02,920 --> 00:34:08,400
The guys run wild,
hitting on the girls and vibrating...
367
00:34:09,400 --> 00:34:12,199
..encouraging them to lay eggs.
368
00:34:14,800 --> 00:34:17,199
# Oh, yeah #
369
00:34:18,800 --> 00:34:23,280
At last, a partner and a family
on the horizon,
370
00:34:24,719 --> 00:34:26,800
if only they could enjoy it.
371
00:34:29,560 --> 00:34:31,960
But these guys left it all
on the field
372
00:34:32,000 --> 00:34:35,000
and there's nothing left to give.
373
00:34:36,000 --> 00:34:38,000
They're punching out.
374
00:34:40,639 --> 00:34:45,360
When they die, their decomposing
bodies nourish their young.
375
00:34:51,280 --> 00:34:55,600
For never was there a story ending in
more roe
376
00:34:55,639 --> 00:34:59,520
than of these salmon
Juliet's and their Romeo's.
377
00:35:06,080 --> 00:35:08,160
(ATTENBOROUGH IMITATION) Africa.
378
00:35:10,000 --> 00:35:12,520
Thousands of years of evolution
379
00:35:12,560 --> 00:35:16,880
have created wildlife's
biggest stars!
380
00:35:16,920 --> 00:35:19,520
Flamboyant exhibitionists...
381
00:35:20,840 --> 00:35:23,160
..crowd pleasers...
382
00:35:23,200 --> 00:35:26,000
(TRUMPETING)
383
00:35:26,040 --> 00:35:29,040
..and action heroes.
384
00:35:30,040 --> 00:35:33,120
But the biggest box-office draw
of them all...
385
00:35:34,160 --> 00:35:36,280
..The Sausage Tree.
386
00:35:36,320 --> 00:35:39,040
(CRICKETS CHIRPING)
387
00:35:39,080 --> 00:35:42,080
(PLAYFUL MUSIC)
388
00:35:43,040 --> 00:35:44,960
(NORMAL VOICE) Weird fruit.
389
00:35:45,000 --> 00:35:47,680
Weird flowers.
390
00:35:48,560 --> 00:35:51,800
And an even weirder way
of spreading its seed.
391
00:35:56,640 --> 00:36:00,520
When you're rooted to the spot
like The Kigelia Sausage Tree...
392
00:36:03,120 --> 00:36:07,120
..you need a little help
to scatter your seeds.
393
00:36:07,160 --> 00:36:09,680
(PLAYFUL MUSIC)
394
00:36:09,720 --> 00:36:12,080
Step one...
395
00:36:12,120 --> 00:36:14,280
gather a fanbase.
396
00:36:16,280 --> 00:36:18,520
Use your green leafy canopy
397
00:36:18,560 --> 00:36:21,360
to entice animals into the shade.
398
00:36:26,200 --> 00:36:28,160
(TRUMPETING)
399
00:36:28,200 --> 00:36:29,760
Step two...
400
00:36:29,800 --> 00:36:32,880
give the audience what they want.
401
00:36:35,040 --> 00:36:37,400
Sausage tree flowers have
evolved a seductive
402
00:36:37,440 --> 00:36:40,640
kind of rancid perfume...
403
00:36:41,600 --> 00:36:44,000
..that everybody loves.
404
00:36:44,040 --> 00:36:46,040
(BUZZING)
405
00:36:48,560 --> 00:36:52,440
And out here in Zambia's
Luangwa Valley,
406
00:36:52,480 --> 00:36:56,800
nothing says "eat me"
quite like kicking up a stink.
407
00:36:58,160 --> 00:37:00,480
(CURIOUS MUSIC)
408
00:37:04,520 --> 00:37:08,120
Vervet monkeys come in
expecting lunch.
409
00:37:08,160 --> 00:37:10,240
(MONKEY CHATTERING)
410
00:37:11,560 --> 00:37:13,760
But find dessert instead.
411
00:37:15,000 --> 00:37:18,600
Gorging on sugary nectar.
412
00:37:21,000 --> 00:37:25,040
In return, the tree coats
them in pollen
413
00:37:25,080 --> 00:37:27,680
that they'll carry
to other sausage trees...
414
00:37:29,040 --> 00:37:31,240
..pollinating their flowers.
415
00:37:31,280 --> 00:37:33,280
(THUNDER RUMBLING)
416
00:37:34,720 --> 00:37:36,720
(GREGORIAN CHANTING MUSIC)
417
00:37:42,800 --> 00:37:44,480
In just a few weeks,
418
00:37:44,520 --> 00:37:48,840
the sausage tree's reproductive
strategy shows results.
419
00:37:50,360 --> 00:37:54,640
Behold... the sausage fruit.
420
00:37:54,680 --> 00:37:57,000
(DRAMATIC ORGAN MUSIC)
421
00:38:01,240 --> 00:38:02,960
Step three...
422
00:38:03,000 --> 00:38:08,240
the sausage tree needs an animal
agent to extract its seeds.
423
00:38:12,360 --> 00:38:14,360
(PLAYFUL MUSIC)
424
00:38:21,600 --> 00:38:23,880
Heat and drought resistant,
425
00:38:23,920 --> 00:38:26,760
a windfall of sausage fruits
426
00:38:26,800 --> 00:38:29,240
is a bonanza for starving animals!
427
00:38:41,000 --> 00:38:43,080
(ANIMALS BARKING)
428
00:38:44,120 --> 00:38:46,360
Enter the Olive Baboons.
429
00:38:55,920 --> 00:38:58,200
(MONKEYS SCREECHING)
430
00:38:58,240 --> 00:39:01,280
With some of the strongest jaws
in the primate world,
431
00:39:01,320 --> 00:39:04,320
they gnaw through the shell easily...
432
00:39:11,880 --> 00:39:14,320
..devouring the fleshy pulp
and seeds inside.
433
00:39:16,520 --> 00:39:18,040
(MONKEY RUMBLING)
434
00:39:20,320 --> 00:39:22,320
(MONKEY FARTING)
435
00:39:24,720 --> 00:39:29,000
Within a few hours, the urge to poop
sausage trees seeds
436
00:39:29,040 --> 00:39:33,360
runs through the troop like
a wave of dyspepsia.
437
00:39:34,200 --> 00:39:36,200
(FARTING)
438
00:39:36,240 --> 00:39:39,480
For the sausage tree,
mission accomplished!
439
00:39:39,520 --> 00:39:41,960
(RUMBLING AND SQUELCHING)
440
00:39:42,000 --> 00:39:44,000
(CAWING)
441
00:39:45,640 --> 00:39:47,640
(THUNDER RUMBLING)
442
00:39:49,120 --> 00:39:51,360
(PENSIVE MUSIC)
443
00:39:56,400 --> 00:39:58,440
When the rains finally come...
444
00:40:01,720 --> 00:40:05,240
..the young sausage saplings
spring to life.
445
00:40:16,800 --> 00:40:19,120
Emerging into the spotlight...
446
00:40:20,200 --> 00:40:22,400
..one day to take their place
447
00:40:22,440 --> 00:40:26,080
as icons of the African Savannah.
448
00:40:34,480 --> 00:40:37,640
Meet Australia's Flying Foxes...
449
00:40:38,800 --> 00:40:43,040
..masters of life
in the Upside Down Under.
450
00:40:43,080 --> 00:40:45,080
(SMOOTH JAZZ MUSIC)
451
00:40:48,840 --> 00:40:53,080
Everything these furry bats do
is inverted,
452
00:40:53,120 --> 00:40:55,600
absolutely everything.
453
00:41:03,160 --> 00:41:07,160
For some, the idea of having sex
upside down might seem
454
00:41:07,200 --> 00:41:10,240
on the far side of experimental...
455
00:41:13,040 --> 00:41:15,880
for lustful, well-hung fruit bats,
456
00:41:15,920 --> 00:41:18,640
this is as normal as it gets.
457
00:41:22,720 --> 00:41:27,640
Inverted, females hang
onto the males by their ankles...
458
00:41:28,600 --> 00:41:30,600
..while he grabs onto her neck
459
00:41:30,640 --> 00:41:33,800
with his teeth,
pinning her wings to her side.
460
00:41:43,400 --> 00:41:45,840
With a pandemonium of screams...
461
00:41:45,880 --> 00:41:47,880
(BATS SCREECHING)
462
00:41:50,320 --> 00:41:52,120
..success.
463
00:41:53,040 --> 00:41:55,120
Their encounter is over.
464
00:41:57,160 --> 00:41:59,160
(EERIE MUSIC)
465
00:42:03,600 --> 00:42:05,600
(GENTLE CHIMES)
466
00:42:05,640 --> 00:42:07,640
(BATS SCREECHING)
467
00:42:09,960 --> 00:42:11,920
A year later,
468
00:42:11,960 --> 00:42:15,640
the baby bats are starting to get
the hang of adult life.
469
00:42:24,320 --> 00:42:27,720
But there's no upside downtime
for the bat mothers.
470
00:42:29,280 --> 00:42:33,360
They must teach their pups
the ways of the forest...
471
00:42:35,120 --> 00:42:38,080
..like how to find fruits and nectar.
472
00:42:44,720 --> 00:42:47,520
(TRANQUIL MUSIC)
473
00:42:47,560 --> 00:42:49,560
And as the sun climbs higher...
474
00:42:50,440 --> 00:42:52,560
..how to stay cool.
475
00:42:56,840 --> 00:43:00,720
Because these bats
have a fatal flaw.
476
00:43:04,160 --> 00:43:07,080
Above 40 degrees Celsius,
477
00:43:07,120 --> 00:43:10,240
Flying Foxes can die
from heat stress.
478
00:43:15,840 --> 00:43:19,400
So, baby bats need to learn
how to take a dip.
479
00:43:25,520 --> 00:43:28,920
Coarse hairs on their belly
and chest absorb water,
480
00:43:28,960 --> 00:43:31,480
which they lick off at the roost.
481
00:43:45,600 --> 00:43:48,040
But it's a gutsy mission...
482
00:43:48,880 --> 00:43:53,000
..because northern Australian
rivers are primordial.
483
00:43:53,920 --> 00:43:56,920
Yes, thanks to all the nectar,
484
00:43:56,960 --> 00:44:00,920
fruit bats taste just like candy...
485
00:44:00,960 --> 00:44:06,080
and freshwater crocodiles
have a sweet tooth.
486
00:44:07,480 --> 00:44:09,680
All 72 of them.
487
00:44:09,720 --> 00:44:11,800
(BATS SCREECHING)
488
00:44:37,680 --> 00:44:41,920
The lucky surviving mothers
return to the roost...
489
00:44:42,880 --> 00:44:45,360
reuniting with their pups...
490
00:44:45,400 --> 00:44:49,560
and the safer world
of life upside down.
491
00:45:02,040 --> 00:45:05,840
In the far-flung reaches
of the Indian Ocean,
492
00:45:05,880 --> 00:45:09,720
there is a strange island...
493
00:45:09,760 --> 00:45:14,120
seething with ritualistic
mating rites.
494
00:45:20,600 --> 00:45:22,520
(UPBEAT MUSIC)
495
00:45:22,560 --> 00:45:25,280
A scarlet kingdom of crustaceans,
496
00:45:25,320 --> 00:45:27,960
unlike anywhere on Earth...
497
00:45:29,040 --> 00:45:31,680
..where fifty million Red Crabs
498
00:45:31,720 --> 00:45:36,280
gather beneath the quarter moon
in an orgy for the ages.
499
00:45:44,080 --> 00:45:46,560
(GENTLE MUSIC)
500
00:45:46,600 --> 00:45:48,840
The Christmas Island Crab
501
00:45:48,880 --> 00:45:51,920
is a pleasure seeker extraordinaire.
502
00:45:53,040 --> 00:45:54,760
For most of the year,
503
00:45:54,800 --> 00:45:59,000
these crabs live the single life
in the rainforest.
504
00:46:02,120 --> 00:46:04,640
(THUNDER RUMBLING)
505
00:46:04,680 --> 00:46:08,240
But come the wet season's
first rains...
506
00:46:12,520 --> 00:46:18,320
..the island erupts
in an amorous mass migration.
507
00:46:24,040 --> 00:46:25,400
In order to mate,
508
00:46:25,440 --> 00:46:29,840
these land crabs need
to get back to the beach.
509
00:46:36,720 --> 00:46:41,720
But they live 16 kilometres
from the nearest coastline...
510
00:46:43,800 --> 00:46:47,360
..and man-made obstacles
litter their path.
511
00:46:50,920 --> 00:46:52,840
(STATIC)
512
00:46:52,880 --> 00:46:54,720
MAN: (ON RADIO)
We have heavy crab movement
513
00:46:54,760 --> 00:46:56,760
across all roads south today.
514
00:46:58,840 --> 00:47:01,920
Motorists are warned to drive
at their own risk.
515
00:47:03,960 --> 00:47:07,920
Powerful hormones
flood the crabs' bodies.
516
00:47:07,960 --> 00:47:09,960
(CAR HONKING)
517
00:47:10,000 --> 00:47:12,560
Pumped up on these love drugs,
518
00:47:12,600 --> 00:47:16,080
island traffic is
a mere inconvenience.
519
00:47:17,280 --> 00:47:19,880
(HONKING)
520
00:47:19,920 --> 00:47:23,680
These frisky crabs...
(CARS HONKING)
521
00:47:23,720 --> 00:47:27,200
..risk more than just
a broken heart.
522
00:47:34,680 --> 00:47:36,680
Their super slow metabolism
523
00:47:36,720 --> 00:47:39,360
isn't designed
for long-distance marches.
524
00:47:42,240 --> 00:47:46,560
So, roadside snacks are mandatory.
525
00:47:55,160 --> 00:47:58,480
With so much aphrodisiac
in the air...
526
00:48:02,480 --> 00:48:05,800
..casualties are inevitable.
527
00:48:22,920 --> 00:48:26,080
Finally, after a 15-day trek,
528
00:48:26,120 --> 00:48:28,680
they reach the ocean's edge.
529
00:48:30,080 --> 00:48:32,360
(BIRDS CHIRPING)
530
00:48:33,600 --> 00:48:37,000
The larger male crabs arrive
before the horde...
531
00:48:39,760 --> 00:48:42,720
..and are the first
to inseminate the females.
532
00:48:51,280 --> 00:48:53,400
When the lights go out...
533
00:48:53,440 --> 00:48:55,720
it's party time!
534
00:48:59,920 --> 00:49:03,960
After mating, the females congregate
by the shoreline
535
00:49:04,000 --> 00:49:06,800
in pregnant anticipation.
536
00:49:08,440 --> 00:49:13,080
Before dawn, when the moon
reaches its last quarter...
537
00:49:15,880 --> 00:49:19,000
..the females joyfully release
538
00:49:19,040 --> 00:49:21,240
more than a billion eggs
into the water.
539
00:49:26,800 --> 00:49:29,040
Larvae hatch instantly.
540
00:49:33,400 --> 00:49:38,560
Over the next month,
their transformation is spectacular.
541
00:49:40,040 --> 00:49:43,640
Developing
into fully formed baby crabs...
542
00:49:44,560 --> 00:49:47,440
..the crimson tide of new life
543
00:49:47,480 --> 00:49:49,680
reclaims Christmas Island.
544
00:49:50,640 --> 00:49:54,840
Just another incredible origin story,
545
00:49:54,880 --> 00:49:59,040
and living proof
evolution is alive and conjuring
546
00:49:59,080 --> 00:50:03,600
every conceivable way
for life to succeed.
547
00:50:03,640 --> 00:50:07,840
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