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NARRATOR: Snakes.
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00:00:06,673 --> 00:00:08,575
They inspire fear
and loathing...
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00:00:08,742 --> 00:00:11,545
-l Hisses l
-...fascination and awe.
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00:00:11,712 --> 00:00:14,548
To some cultures,
they are pure evil.
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00:00:14,715 --> 00:00:17,784
Öthers worship them as gods.
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00:00:21,255 --> 00:00:23,824
The snake is a creature
like no other --
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00:00:23,991 --> 00:00:28,595
a spellbinding seductress,
a killing machine.
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Now high-definition cameras
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00:00:31,532 --> 00:00:34,034
capture the breathtaking
spectacle of snakes in action
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00:00:34,201 --> 00:00:35,602
like never before.
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00:00:40,641 --> 00:00:43,610
This is "The Beauty of Snakes."
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00:01:23,150 --> 00:01:27,387
Snakes are perhaps the most
mesmerizing creatures on Earth.
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00:01:29,222 --> 00:01:32,059
Beneath a mosaic
of shimmering scales,
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00:01:32,225 --> 00:01:36,063
their slim, supple bodies
move with elegance.
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00:01:48,508 --> 00:01:51,812
They glide over the planet
with speed and stealth.
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00:01:53,480 --> 00:01:55,549
Their sleek,
powerful curves are dressed
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00:01:55,716 --> 00:02:00,220
in some of nature's most
magnificent colors and patterns.
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00:02:01,088 --> 00:02:05,559
We will explore every aspect
of their mysterious lives --
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00:02:05,726 --> 00:02:09,396
how they mate, give birth,
hunt and feed,
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00:02:09,563 --> 00:02:11,932
move and sense
the world around them --
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all in startling detail.
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00:02:15,435 --> 00:02:18,705
Snakes live almost everywhere
on the planet.
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00:02:18,872 --> 00:02:23,010
They thrive on land,
in trees, and in water --
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00:02:23,176 --> 00:02:26,747
almost 3,000 different species.
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00:02:28,115 --> 00:02:31,184
And all of them
natural-born killers.
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00:02:37,557 --> 00:02:39,159
( Hisses l
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00:02:39,326 --> 00:02:43,530
From a newly hatched
garter snake just 6 inches long
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00:02:43,697 --> 00:02:48,802
to the 30-foot anaconda,
they all must kill to survive.
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00:02:53,440 --> 00:02:58,011
Their hunger satisfied, most
snakes prefer peace and solitude
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00:02:58,178 --> 00:02:59,980
until it's time to mate.
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00:03:00,147 --> 00:03:02,082
( Birds chirping l
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00:03:17,998 --> 00:03:20,667
Deep in the rainforest
of Latin America,
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00:03:20,834 --> 00:03:24,137
the female rainbow boa
is ready to breed.
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00:03:26,907 --> 00:03:30,977
But first,
she needs to shed her skin.
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00:03:33,947 --> 00:03:37,184
Unlike most animals,
snakes grow until they die.
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00:03:37,350 --> 00:03:40,220
Their skin does not grow
with them.
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00:03:43,223 --> 00:03:47,060
Uncomfortable in a coat
that has grown tight and dry,
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00:03:47,227 --> 00:03:51,164
the boa moves restlessiy,
trying to release her old skin.
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00:03:54,868 --> 00:03:59,372
İf's a process she'll go through
three or four times a year.
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00:04:02,609 --> 00:04:06,246
To ease shedding, snakes secrete
a highiy scented oiİl
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00:04:06,413 --> 00:04:09,349
between the old skin
and the new one.
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00:04:20,360 --> 00:04:24,698
Still moist, the boa's scales
glimmer and shine.
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00:04:40,847 --> 00:04:43,049
Here the clarity
of high-definition video
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shows how the rainbow boa
got its name.
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Each scale acts like a prism,
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00:04:48,655 --> 00:04:51,792
refracting light
in a colorful glow.
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00:04:54,027 --> 00:04:56,229
But it is the smell
of her new skin,
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00:04:56,396 --> 00:04:59,699
rather than the color,
that will attract a mate.
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00:05:11,978 --> 00:05:14,648
Aroused by her scent,
the male boa
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00:05:14,814 --> 00:05:17,150
follows the female's trail
in the night air.
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00:05:33,333 --> 00:05:35,101
When he finaliy reaches her,
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00:05:35,268 --> 00:05:38,972
he coils around her
and begins his seduction.
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00:05:44,411 --> 00:05:46,413
( Birds chirping l
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00:05:48,348 --> 00:05:51,351
Garter snakes have one of
the most dramatic mating rituals
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00:05:51,518 --> 00:05:52,919
in the world.
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00:05:53,086 --> 00:05:56,389
Iİn eastern Canada,
the female red-sided garter
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00:05:56,556 --> 00:05:59,593
emerges from six months
of winter hibernation.
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00:06:00,660 --> 00:06:05,165
Soon after leaving her den, she
emits a scent through her skin.
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00:06:05,332 --> 00:06:07,467
This potent perfume
attracts the attention
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00:06:07,634 --> 00:06:11,137
of male garters
up to 20 miles away.
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00:06:13,540 --> 00:06:16,243
Öne by one, they come.
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00:06:19,246 --> 00:06:22,315
The larger female
is soon inundated with suitors
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00:06:22,482 --> 00:06:24,918
driven to frenzy by her smell.
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00:06:33,393 --> 00:06:35,829
In an hour,
she is lost beneath a tangle
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00:06:35,996 --> 00:06:40,867
of over 100 sguirming bodies
known as a "mating ball."
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00:06:50,410 --> 00:06:53,546
Within the writhing mass,
each of the males
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00:06:53,713 --> 00:06:56,449
pushes and shoves
his rivals out of the way,
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00:06:56,616 --> 00:06:59,152
trying to be the first to mate
with the female.
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00:06:59,319 --> 00:07:02,055
Önly one of them will succeed.
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00:07:02,222 --> 00:07:04,591
The struggle can go on
for a week.
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00:07:21,975 --> 00:07:24,377
After mating,
the victorious male
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00:07:24,544 --> 00:07:26,646
inserts a plug
inside the female,
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00:07:26,813 --> 00:07:29,115
preventing other males
from breeding with her.
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00:07:39,659 --> 00:07:43,530
Eventualiy, the exhausted males
unscramble themselves
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00:07:43,697 --> 00:07:45,699
and go their separate ways.
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00:07:45,865 --> 00:07:50,303
Three months later, the female
will be ready to give birth.
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( Birds chirping l
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00:07:58,511 --> 00:08:01,614
This checkered garter snake
is feeling restless,
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and no wonder.
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00:08:02,982 --> 00:08:07,554
She is about to give birth
to 30 wriggling babies.
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00:08:33,913 --> 00:08:36,516
Each tiny snake
takes only seconds
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to break through
its transparent egg sac.
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00:08:39,219 --> 00:08:42,789
The babies must emerge guickliy
in order to breathe.
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00:08:47,227 --> 00:08:50,764
The entire brood
is born within half an hour.
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00:08:54,367 --> 00:08:59,639
Then, mothering duties over,
the newborns are on their own.
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00:09:02,175 --> 00:09:06,646
Önly two of these babies
will make it to maturity.
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00:09:06,813 --> 00:09:09,115
The rest will fall victim
to predators,
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starvation, and the elements.
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00:09:11,885 --> 00:09:14,687
To survive, they must hunt.
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00:09:14,854 --> 00:09:19,125
Tiny, curved teeth clamp
onto prey like this earthworm
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00:09:19,292 --> 00:09:21,394
with a fierce grip.
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00:09:22,796 --> 00:09:25,565
Swallowed alive,
the worm will die
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from acids
in the snake's stomach.
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00:09:33,273 --> 00:09:37,744
Barely 30 minutes old and
already an instinctive killer.
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00:09:50,590 --> 00:09:52,792
Not all snakes have live births.
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00:09:52,959 --> 00:09:54,694
Most species lay eggs.
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In the American Midwest,
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the corn snake lives close
to farmyards and crops,
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00:09:59,365 --> 00:10:02,769
where it feasts on
a plentiful supply of rodents.
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00:10:02,936 --> 00:10:05,905
This female mated a week ago
and has just laid eight eggs
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in a nest of rotting leaves.
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Parenting is now over.
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She will not be back.
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00:10:18,084 --> 00:10:19,452
Three months later,
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the unborn snakes twist
and wriggle in their shells.
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00:10:24,824 --> 00:10:27,327
A tiny tooth
on the end of their snouts
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helps them slit an opening
in the surface.
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00:10:34,334 --> 00:10:37,136
After breaking through,
they often retreat
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00:10:37,303 --> 00:10:40,974
back into their shells
for several hours' rest.
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00:10:47,113 --> 00:10:51,551
I£ may be two days before
they leave the shell for good.
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00:11:05,031 --> 00:11:06,900
Slipping away from their nest,
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00:11:07,066 --> 00:11:09,836
the odds are
stacked against the hatchlings.
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00:11:10,003 --> 00:11:12,405
Like all snakes,
they will have to rely
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00:11:12,572 --> 00:11:15,708
on a powerful array of senses
to survive.
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00:11:28,688 --> 00:11:33,026
Snakes sense the world
differently from humans.
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00:11:33,192 --> 00:11:34,894
Eyes on either side of her head
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00:11:35,061 --> 00:11:39,532
gives this eyelash pit viper
a wide field of vision.
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00:11:39,699 --> 00:11:41,601
Lashlike scales protect her eyes
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00:11:41,768 --> 00:11:45,171
from pointy branches
in the dense rainforest.
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00:11:49,242 --> 00:11:51,044
Snakes have no eyelids.
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00:11:51,210 --> 00:11:53,713
Itf's impossible to know
if they're sleeping
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00:11:53,880 --> 00:11:55,348
or just İying in wait.
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00:11:58,685 --> 00:12:02,088
The viper's unblinking stare
may seem ominous,
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00:12:02,255 --> 00:12:04,490
but she has
relatively poor vision.
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00:12:04,657 --> 00:12:07,093
Snakes are best
at detecting motion.
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00:12:07,260 --> 00:12:11,197
They have difficulty
focusing on still objects.
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00:12:11,364 --> 00:12:15,368
She can understand her world
better by using her tongue.
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00:12:30,883 --> 00:12:33,119
Snakes use their tongues
to smell.
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00:12:39,192 --> 00:12:41,928
When a snake wants to
investigate its surroundings,
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00:12:42,095 --> 00:12:46,432
it flicks its tongue, collecting
scent particles from the air.
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00:12:46,599 --> 00:12:50,970
This tiny instrument
is 10,000 times more sensitive
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00:12:51,137 --> 00:12:52,772
than the human nose.
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00:12:59,145 --> 00:13:02,882
Forked tongues allow snakes
to smell in stereo,
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00:13:03,049 --> 00:13:06,519
picking up different scents
from different directions.
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00:13:13,793 --> 00:13:15,528
As this mouse moves,
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00:13:15,695 --> 00:13:18,531
it leaves behind
a trail of scent particles.
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00:13:24,470 --> 00:13:26,806
As scent particles
are collected,
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00:13:26,973 --> 00:13:28,941
the snake presses
the tips of its tongue
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00:13:29,108 --> 00:13:31,678
into an organ in the roof
of its mouth.
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00:13:31,844 --> 00:13:35,415
There particles
are identified and analyzed,
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00:13:35,581 --> 00:13:40,219
translating the matrix of smells
into a precise image.
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00:13:45,892 --> 00:13:49,095
This allows the snake
to pinpoint the location
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00:13:49,262 --> 00:13:52,965
and size Of its prey,
even in total darkness.
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00:13:56,669 --> 00:13:59,172
With such an extraordinary
tracking device,
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00:13:59,338 --> 00:14:01,541
snakes rarely miss.
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00:14:11,918 --> 00:14:14,287
In the unforgiving desert
of Arizona,
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00:14:14,454 --> 00:14:16,689
a Western diamondback
rattlesnake
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00:14:16,856 --> 00:14:19,726
must use all his senses
to survive.
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00:14:21,327 --> 00:14:23,963
This male has just emerged
from winter hibernation
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00:14:24,130 --> 00:14:27,400
and has not eaten
in five months.
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00:14:28,267 --> 00:14:31,437
But as a cold-blooded reptile,
he needs to warm his body
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00:14:31,604 --> 00:14:35,308
in the sunshine before
he'li have the energy to hunt.
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00:14:39,312 --> 00:14:41,781
A mouse would make a good meal.
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00:14:46,853 --> 00:14:49,956
The rattlesnake's hearing won't
help him locate his target.
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00:14:50,123 --> 00:14:53,860
He has no external ear,
nor any eardrums.
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00:14:54,026 --> 00:14:57,764
Like all snakes,
he is deaf to airborne sounds.
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00:14:58,898 --> 00:15:01,734
But he can hear sounds
that come through the ground.
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00:15:01,901 --> 00:15:05,838
His long, slack belly, in
constant contact with the Earth,
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00:15:06,005 --> 00:15:08,574
picks up
even the smallest vibrations.
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00:15:19,252 --> 00:15:21,821
When hunting,
the snake adds this information
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00:15:21,988 --> 00:15:25,992
to the smellis gathered
by his flickering tongue.
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00:15:28,327 --> 00:15:30,129
As the mouse comes closer,
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00:15:30,296 --> 00:15:33,699
yet another extraordinary sense
comes into play.
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00:15:42,408 --> 00:15:44,911
Certain snakes,
like this rattler,
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00:15:45,077 --> 00:15:47,547
have deep pits
beneath their eyes.
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00:15:47,713 --> 00:15:50,383
These pits are lined
with heat-sensitive cells
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00:15:50,550 --> 00:15:52,151
that can detect
a temperature change
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00:15:52,318 --> 00:15:56,289
as little as 2/1,000
of a degree Fahrenheit.
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00:15:57,824 --> 00:16:01,794
This thermal image represents
what the snake senses.
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00:16:13,506 --> 00:16:16,275
Warm-blooded creatures
make easy targets,
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00:16:16,442 --> 00:16:18,978
even on the darkest of nights.
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00:16:48,040 --> 00:16:51,410
Keep his distance, and
the unsuspecting mouse İs safe.
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00:16:51,577 --> 00:16:52,845
Step any closer,
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00:16:53,012 --> 00:16:56,649
and he'll be in striking range
of a heat-seeking missile.
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00:17:15,034 --> 00:17:18,838
The strike is so guick that the
mouse doesn't know what hit it.
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00:17:20,873 --> 00:17:24,677
Though the rattlesnake can
draw on venom to kill 300 mice,
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00:17:24,844 --> 00:17:28,347
he injects just enough
for a lethal dose.
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00:17:29,548 --> 00:17:31,450
Önce the mouse
has stopped moving,
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00:17:31,617 --> 00:17:34,787
the rattlesnake
slowiy swallows his meal.
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00:17:36,923 --> 00:17:40,960
İt will take 15 minutes for
the mouse, still emitting heat,
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00:17:41,127 --> 00:17:44,864
to disappear into the cold body
of the snake.
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00:17:45,031 --> 00:17:46,599
İt will take several days
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00:17:46,766 --> 00:17:49,602
for the snake
to fully digest his meal.
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00:17:49,769 --> 00:17:52,004
Then he will be back
on the move,
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00:17:52,171 --> 00:17:55,775
sliding over the rocky landscape
with ease.
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00:18:13,125 --> 00:18:16,228
A snake in motion
is a thing of wonder --
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00:18:16,395 --> 00:18:20,933
a limbless body
surging with power and agility.
188
00:18:23,469 --> 00:18:25,237
Without arms or legs,
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00:18:25,404 --> 00:18:28,107
snakes have adapted
to a wider range of environments
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00:18:28,274 --> 00:18:31,277
than any other species
on the planet.
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00:18:42,722 --> 00:18:45,057
The most common way
for a snake to move
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00:18:45,224 --> 00:18:47,059
is the serpentine method,
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00:18:47,226 --> 00:18:50,630
in which the body
follows a series of "S" curves.
194
00:18:50,796 --> 00:18:53,566
The snake uses
the lower back edges of its body
195
00:18:53,733 --> 00:18:56,802
to push off against
any roughness on the ground.
196
00:19:16,155 --> 00:19:17,757
Viewed from beneath,
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00:19:17,923 --> 00:19:21,227
each beliy scale
is seen moving and sliding.
198
00:19:25,464 --> 00:19:28,601
With up to 500 vertebrae
in their spines,
199
00:19:28,768 --> 00:19:31,704
snakes are the most flexible
creatures in the world.
200
00:19:31,871 --> 00:19:34,507
There are few obstacles
they can't navigate,
201
00:19:34,674 --> 00:19:37,843
few hiding places
they can't wriggle into.
202
00:20:00,700 --> 00:20:03,402
A camera mounted
on the back of a Cape cobra
203
00:20:03,569 --> 00:20:07,006
shows how the snake
undulates through its domain.
204
00:20:07,173 --> 00:20:08,274
İf's a way of moving
205
00:20:08,441 --> 00:20:12,044
that has taken
millions of years to perfect.
206
00:20:17,083 --> 00:20:20,419
Snakes are believed to have
evolved from prehistoric lizards
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00:20:20,586 --> 00:20:23,089
at least 100 million years ago.
208
00:20:23,989 --> 00:20:26,392
Theory has it
that these ancient reptiles
209
00:20:26,559 --> 00:20:29,528
sought safety
by burrowing in the soll.
210
00:20:41,707 --> 00:20:44,376
To move through the earth
in a more streamlined fashion,
211
00:20:44,543 --> 00:20:46,779
they gradually lost their limbs.
212
00:20:46,946 --> 00:20:48,581
Their eyesight diminished
213
00:20:48,748 --> 00:20:51,350
since İit served
no purpose underground.
214
00:21:02,828 --> 00:21:04,897
Önce they reemerged
above the ground,
215
00:21:05,064 --> 00:21:10,069
snakes developed different ways
of moving over varying terrains.
216
00:21:10,236 --> 00:21:13,439
The desert sands of Namibia
are searing hot,
217
00:21:13,606 --> 00:21:17,676
but this sidewinder has adapted
to the harsh environment.
218
00:21:23,582 --> 00:21:26,619
There are two parts
to the sidewinding motion.
219
00:21:26,786 --> 00:21:29,922
First, the snake lifts his head
and front half of his body
220
00:21:30,089 --> 00:21:32,525
off the ground
and throws them sideways.
221
00:21:32,691 --> 00:21:36,395
Then he repeats the motion
with his back half.
222
00:21:40,833 --> 00:21:43,969
Seen from underneath
and in slow-motion,
223
00:21:44,136 --> 00:21:47,773
his body makes a continuous
series of thrusts.
224
00:21:54,947 --> 00:21:56,982
Very little skin
is left in contact
225
00:21:57,149 --> 00:21:59,985
with the hot sand at any time.
226
00:22:12,932 --> 00:22:15,401
This effective technigue
allows sidewinders
227
00:22:15,568 --> 00:22:18,270
to cover large distances
and climb the world's
228
00:22:18,437 --> 00:22:21,941
largest sand dunes --
1,000 feet high.
229
00:22:22,107 --> 00:22:24,109
( Wind howling l
230
00:22:45,531 --> 00:22:48,434
Snakes move most elegantiy
in water.
231
00:22:50,302 --> 00:22:52,404
The Cape cobra,
like many snakes,
232
00:22:52,571 --> 00:22:54,573
flourishes near human beings.
233
00:22:54,740 --> 00:22:58,110
In South Africa, they are
often found in ponds and pools,
234
00:22:58,277 --> 00:23:01,714
where they can show off
their graceful swimming skills.
235
00:23:15,861 --> 00:23:17,730
Using serpentine motion,
236
00:23:17,896 --> 00:23:21,634
the cobra's body
sweeps from side to side.
237
00:23:24,637 --> 00:23:28,607
She slices through
the swimming pool unnoticed.
238
00:23:44,390 --> 00:23:48,160
Some species spend
their whole lives in the water.
239
00:23:49,495 --> 00:23:51,330
In the Amazon rainforest,
240
00:23:51,497 --> 00:23:56,268
this green anaconda makes
his home in river shallows.
241
00:23:56,435 --> 00:24:00,639
He can remain completely
submerged for 10 minutes.
242
00:24:06,345 --> 00:24:09,281
Reaching weights
of over 500 pounds,
243
00:24:09,448 --> 00:24:12,518
anacondas are the heaviest
snakes in the world.
244
00:24:12,685 --> 00:24:17,690
They can grow up to 30 feet
in length, 3 feet in girth.
245
00:24:21,060 --> 00:24:25,731
Despite his bulk, the anaconda
is an agile swimmer.
246
00:24:41,146 --> 00:24:45,918
Buoyed by the water, he moves
in a serpentine pattern.
247
00:24:50,289 --> 00:24:54,159
On land, the anaconda
and other big-bodied snakes,
248
00:24:54,326 --> 00:24:58,397
like this puff adder, are too
thick for serpentine curves.
249
00:24:58,564 --> 00:25:01,166
Instead,
they move in a straight path,
250
00:25:01,333 --> 00:25:05,104
using their belliy scales
like bulldozer treads.
251
00:25:07,272 --> 00:25:08,507
Seen from underneath,
252
00:25:08,674 --> 00:25:11,310
the belliy skin
contacts the ground in waves,
253
00:25:11,477 --> 00:25:15,314
inching the body forwards,
much like a caterpillar.
254
00:25:18,350 --> 00:25:22,454
A snake-mounted camera shows the
puff adder's remarkable control.
255
00:25:22,621 --> 00:25:24,523
And smooth pace.
256
00:25:27,493 --> 00:25:31,630
The caterpillar motion helps the
adder make a stealthy approach.
257
00:25:31,797 --> 00:25:34,333
Before ambushing its prey.
258
00:25:38,937 --> 00:25:42,875
This 12-foot bushmaster also
uses the caterpillar motion
259
00:25:43,042 --> 00:25:46,512
to slink through
the South American jungle.
260
00:25:47,646 --> 00:25:50,783
He is the deadliest snake
on the continent.
261
00:25:50,949 --> 00:25:55,220
Antidote to his venom is
unreliable and hard to come by.
262
00:26:16,341 --> 00:26:19,578
These caterpillar movers
have a triangular-shaped body
263
00:26:19,745 --> 00:26:23,282
with a wide, flat belly
that hugs the ground.
264
00:26:28,187 --> 00:26:30,989
When he has chosen
the position for his ambush,
265
00:26:31,156 --> 00:26:33,959
the bushmaster curls up
at the base of a tree,
266
00:26:34,126 --> 00:26:36,829
waiting for prey to pass.
267
00:26:59,918 --> 00:27:02,621
Snakes are masters of the kill.
268
00:27:03,589 --> 00:27:06,258
Victims rarely hear them coming.
269
00:27:09,361 --> 00:27:12,064
Öne of the most feared
and respected species
270
00:27:12,231 --> 00:27:15,400
is Africa's black mamba.
271
00:27:17,603 --> 00:27:18,937
Long and slender,
272
00:27:19,104 --> 00:27:22,074
the black mamba is
the fastest snake in the world.
273
00:27:22,241 --> 00:27:25,110
İt is also
one of the most aggressive.
274
00:27:28,113 --> 00:27:29,348
When disturbed,
275
00:27:29,515 --> 00:27:31,884
this short-tempered creature
will often attack.
276
00:27:32,050 --> 00:27:33,819
It can outrace
a human in the bush,
277
00:27:33,986 --> 00:27:36,788
striking swiftly and accurately
in any direction,
278
00:27:36,955 --> 00:27:39,291
even when moving at top speed.
279
00:27:39,458 --> 00:27:42,561
I£t can launch itself
from up to six feet away.
280
00:27:52,738 --> 00:27:56,775
The mamba's venom almost always
delivers a speedy death.
281
00:28:05,751 --> 00:28:09,454
In short bursts, black mambas
can reach 12 miles per hour,
282
00:28:09,621 --> 00:28:11,723
nearly the speed
of a cantering horse.
283
00:28:13,926 --> 00:28:15,060
( Hisses l
284
00:28:18,397 --> 00:28:19,765
(I Neighs l
285
00:28:25,270 --> 00:28:27,739
As it gives chase,
the black mamba holds
286
00:28:27,906 --> 00:28:30,842
up to a third of its
12-foot body above the ground.
287
00:28:31,009 --> 00:28:33,712
It likes to face
its enemies eye to eye.
288
00:28:33,879 --> 00:28:36,415
( Neighs, snorts l
289
00:28:38,250 --> 00:28:39,918
( Hisses l
290
00:28:40,085 --> 00:28:42,854
With its coffin-shaped head
and jet-black mouth,
291
00:28:43,021 --> 00:28:45,791
it's no wonder
that Africans call this creature
292
00:28:45,958 --> 00:28:47,359
"the shadow of death."
293
00:28:47,526 --> 00:28:49,528
(I Neighs l
294
00:28:57,636 --> 00:29:00,472
Unlike most snakes,
it bites repeatediy.
295
00:29:00,639 --> 00:29:05,244
Just two drops can kill a human
within 20 minutes.
296
00:29:21,493 --> 00:29:24,062
Deep in the Amazon River basin,
297
00:29:24,229 --> 00:29:27,332
another notorious killer
is on the hunt --
298
00:29:27,499 --> 00:29:28,967
the anaconda.
299
00:29:29,134 --> 00:29:31,103
He doesn't poison his victims.
300
00:29:31,270 --> 00:29:33,905
He kills by constricting.
301
00:29:38,977 --> 00:29:41,146
Unlike
the impulsive black mamba,
302
00:29:41,313 --> 00:29:45,584
the anaconda is a methodical
and deliberate stalker.
303
00:29:49,821 --> 00:29:53,158
He slips into the shallow water
to hunt.
304
00:30:17,282 --> 00:30:21,420
He surveys the surface for prey,
then retreats underwater.
305
00:30:21,586 --> 00:30:23,322
( Ducks guacking l
306
00:30:31,797 --> 00:30:34,199
His principal weapon
is surprise.
307
00:30:41,907 --> 00:30:44,976
The ducks are unaware
of what lies beneath.
308
00:30:45,143 --> 00:30:47,212
( Guacking l
309
00:30:58,924 --> 00:31:01,560
( Guacking l
310
00:31:05,797 --> 00:31:08,500
The anaconda's powerful jaws
snatch the duck,
311
00:31:08,667 --> 00:31:10,335
dragging it underwater.
312
00:31:19,578 --> 00:31:21,246
With each outward breath,
313
00:31:21,413 --> 00:31:24,683
the duck is sgueezed
just a little bit more.
314
00:31:24,850 --> 00:31:27,219
Suffocation does not take long.
315
00:31:49,040 --> 00:31:52,611
Like all snakes,
anacondas unhinge their jaws
316
00:31:52,778 --> 00:31:56,214
to swallow meals several times
larger than their heads.
317
00:31:57,182 --> 00:32:00,986
A big anaconda is capable
of consuming a crocodile.
318
00:32:01,153 --> 00:32:04,790
Legend has it, they can
even kill and swallow a human.
319
00:32:13,031 --> 00:32:15,033
( Singing in native language l
320
00:32:18,870 --> 00:32:21,973
Where humans go, snakes follow.
321
00:32:23,141 --> 00:32:26,812
Human food attracts rodents,
which in turn attract snakes.
322
00:32:28,380 --> 00:32:30,549
Farm animals
are also a temptation.
323
00:32:34,186 --> 00:32:38,757
In the late afternoon, this
African village comes to life.
324
00:32:41,126 --> 00:32:43,829
The cobra moves in unnoticed.
325
00:32:43,995 --> 00:32:45,597
( Clucking l
326
00:32:45,764 --> 00:32:48,033
A chicken
would satisfy his hunger.
327
00:32:50,769 --> 00:32:52,137
( Speaking native language l
328
00:32:53,338 --> 00:32:55,674
He cautiousily makes his way
deeper into the village.
329
00:32:55,841 --> 00:32:57,275
( Laughter l
330
00:33:03,715 --> 00:33:05,584
( Indistinct conversations l
331
00:33:43,088 --> 00:33:45,190
But his sneak attack
has been foiled.
332
00:33:45,357 --> 00:33:47,325
( Dogs barking l
333
00:33:53,532 --> 00:33:55,700
With sharp claws
and powerful teeth,
334
00:33:55,867 --> 00:33:57,769
the dogs are formidable enemies.
335
00:33:59,037 --> 00:34:00,338
The snake spreads his hood
336
00:34:00,505 --> 00:34:02,908
to look bigger
and more intimidating.
337
00:34:03,074 --> 00:34:05,243
( Dogs barking l
338
00:34:14,452 --> 00:34:15,887
The dogs are undaunted.
339
00:34:17,789 --> 00:34:20,558
But this cobra
has a secret weapon.
340
00:34:20,725 --> 00:34:23,495
As a last resort,
he spits venom from his fangs
341
00:34:23,662 --> 00:34:25,530
directiy into his enemy's eyes.
342
00:34:29,701 --> 00:34:31,603
The pain is instant.
343
00:34:31,770 --> 00:34:34,606
If not treated,
blindness could follow.
344
00:34:37,576 --> 00:34:41,646
The venom must be washed
from the dog's eyes right away.
345
00:34:41,813 --> 00:34:44,582
Iİn the ensuing panic,
the snake slips away,
346
00:34:44,749 --> 00:34:46,718
hungry but unscathed.
347
00:34:46,885 --> 00:34:48,653
( Dog barks l
348
00:34:57,095 --> 00:35:00,699
Snakes will always avoid humans,
if possible.
349
00:35:03,935 --> 00:35:06,771
But if confronted
or accidentaliy stumbled upon,
350
00:35:06,938 --> 00:35:08,940
they can be aggressive.
351
00:35:10,041 --> 00:35:13,178
And in defense,
they will always strike out.
352
00:35:13,345 --> 00:35:16,381
In Central and South America,
the fer-de-lance
353
00:35:16,548 --> 00:35:18,950
kills more people
than any other snake --
354
00:35:19,117 --> 00:35:21,720
over 2,000 deaths a year.
355
00:35:21,886 --> 00:35:24,556
Camouflaged
in earthen-toned skin,
356
00:35:24,723 --> 00:35:26,324
they lie across walking trails,
357
00:35:26,491 --> 00:35:28,793
where they often
catch people off guard.
358
00:35:34,566 --> 00:35:36,368
They are also attracted
to bulildings
359
00:35:36,534 --> 00:35:40,038
where the sun has warmed
the floor during the day.
360
00:35:40,205 --> 00:35:41,373
( Bird caws l
361
00:35:46,011 --> 00:35:48,813
( Dog barking l
362
00:36:11,202 --> 00:36:14,239
If the mother or child
puts a foot down now,
363
00:36:14,406 --> 00:36:16,875
they could be dead within hours.
364
00:36:20,912 --> 00:36:25,083
She has enough venom
to kill both of them twice over.
365
00:36:30,021 --> 00:36:33,625
She can sense the presence
of warm-blooded creatures.
366
00:36:34,726 --> 00:36:36,928
She knows
they are much bigger than her.
367
00:36:37,095 --> 00:36:38,763
( Bird cawing l
368
00:36:44,536 --> 00:36:48,573
She flicks her tail --
a warning.
369
00:36:58,750 --> 00:37:01,186
Rattlesnakes
sound a more blatant alarm
370
00:37:01,352 --> 00:37:02,554
when people get too close.
371
00:37:02,720 --> 00:37:05,023
( Rattling l
372
00:37:14,499 --> 00:37:18,970
The older the rattlesnake gets,
the longer its rattle.
373
00:37:19,137 --> 00:37:22,707
Each time the snake sheds,
a small part of its skin
374
00:37:22,874 --> 00:37:24,976
is left behind
on the base of the tail,
375
00:37:25,143 --> 00:37:27,645
hardening into a new band
of the rattle.
376
00:37:27,812 --> 00:37:29,581
( Rattling l
377
00:37:33,785 --> 00:37:36,221
Another fierce snake
intimidates its enemies
378
00:37:36,387 --> 00:37:38,923
with a loud hiss of exhaled air.
379
00:37:39,090 --> 00:37:41,659
This is how the puff adder
got its name.
380
00:37:41,826 --> 00:37:43,828
L Puff adder breathing heavily l
381
00:37:58,276 --> 00:38:01,379
The saw-scaled viper
rubs its scales together
382
00:38:01,546 --> 00:38:03,314
in a dramatic warning.
383
00:38:03,481 --> 00:38:05,917
( Scales scraping l
384
00:38:07,218 --> 00:38:10,255
I Motorcycles pass l
385
00:38:19,197 --> 00:38:22,333
Bright colors are a signal
to stay away.
386
00:38:22,500 --> 00:38:25,770
They also keep some species
hidden from human eyes.
387
00:38:38,983 --> 00:38:42,287
But sometimes
the camouflage is too good.
388
00:39:09,781 --> 00:39:11,549
( Bicycle bell rings l
389
00:39:18,223 --> 00:39:20,391
Eyelash pit vipers
have been known
390
00:39:20,558 --> 00:39:22,126
to fall asleep in a banana tree,
391
00:39:22,293 --> 00:39:26,497
oniy to wake up in a fruit stand
halfway around the world.
392
00:39:40,245 --> 00:39:42,247
Yeah, yeah, yeah!
393
00:39:47,018 --> 00:39:48,620
Since snakes and humans
394
00:39:48,786 --> 00:39:52,690
are the two most adaptable
creatures on the planet,
395
00:39:52,857 --> 00:39:55,727
they increasingliy
come into contact.
396
00:40:04,535 --> 00:40:07,805
The African house snake
likes the food, shelter,
397
00:40:07,972 --> 00:40:10,942
and comfort
that a home can provide.
398
00:40:13,778 --> 00:40:17,248
Humans are often unaware
of their silent houseguests.
399
00:40:26,758 --> 00:40:28,326
( Indistinct talking l
400
00:40:39,003 --> 00:40:42,040
( Crickets chirping l
401
00:40:51,082 --> 00:40:53,584
NARRATOR: As night falls
and humans go to sleep,
402
00:40:53,751 --> 00:40:56,621
the snake
has the house to himself.
403
00:41:27,085 --> 00:41:28,653
( Snake hisses l
404
00:41:38,730 --> 00:41:43,768
He repays his hosts by ridding
the home of unwanted pests.
405
00:42:02,487 --> 00:42:04,355
But for the presence of snakes,
406
00:42:04,522 --> 00:42:07,158
humankind would be overwhelmed
by rats and mice.
407
00:42:07,325 --> 00:42:08,960
I Sgueaking l
408
00:42:09,127 --> 00:42:12,430
Rodents would wreak havoc
on agğricultural land
409
00:42:12,597 --> 00:42:14,665
and raid homes for food.
410
00:42:18,169 --> 00:42:21,372
Soon, the whole world
would be infested.
411
00:42:37,388 --> 00:42:39,023
( Rattling l
412
00:42:48,499 --> 00:42:51,369
Though snakes may inspire dread
in many people,
413
00:42:51,536 --> 00:42:54,939
the world cannot do without
these magnificent creatures.
414
00:42:57,975 --> 00:43:02,180
And from a safe distance, we can
truly admire the elegance,
415
00:43:02,346 --> 00:43:06,484
prowess, and mystigue
that is the beauty of snakes.
32972
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