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(SOFT MUSIC PLAYING)
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-(DRAMATIC MUSIC PLAYING)
-BENEDICT: Enter a world...
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just beyond your perception.
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A world of extraordinary animals...
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with hidden powers and super senses.
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If you think you know nature...
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think again.
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-(BIRDS CHIRPING)
-(MID-TEMPO MUSIC PLAYING)
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BENEDICT: Deepin the Canadian wilderness...
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(BELLOWS)
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...an animal so secretive...
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she's known as the Phantom of the Forest.
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(DRAMATIC MUSIC PLAYING)
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BENEDICT: The goshawk.
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(GOSHAWK CHIRPS)
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-(SCREECHES)
-BENEDICT: Zero to 40 miles an hour...
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in under a second.
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The fastest accelerationof any bird of prey.
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Short, rounded wings and a foot-long tail,steer through dense forests,
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with unparalleled agility.
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-Yet even she can be outmaneuvered.
-(SCREECHES)
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(BIRDS CHIRPING)
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BENEDICT: Other,much smaller creatures here...
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(GOSHAWK SQUAWKS)
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...possess astonishing abilitiesthat can defeat the Phantom of the Forest.
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With specialized eyesight adaptedto low light,
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the chickadee is first to spotthe airborne threat...
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(SQUAWKS)
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-...and first to raise the alarm.
-(CHIRPS)
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BENEDICT: A coded message...
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broadcasting the hawk's positionand speed.
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(CHIRPS)
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BENEDICT: Squirrels not only recognizethe chickadees' call...
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(CHIRPS)
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...they've learned to mimic it...
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almost perfectly.
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(CHITTERS)
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BENEDICT: In seconds, the warningis retweeted from one animal to another.
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(BIRDS CHITTERING)
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BENEDICT: It relays through the forestat over a 100 miles per hour.
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(SUSPENSEFUL MUSIC PLAYING)
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BENEDICT: More than twice as fastas the hawk.
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Message received, loud and clear.
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"Enemy approaching, low and fast."
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When the little guys look outfor each other...
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it keeps them one step ahead.
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(DRAMATIC MUSIC PLAYING)
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(SCREECHES)
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BENEDICT: You don't have to be bigand tough to survive.
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What you really need are friends.
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Welcome to the worldof animal alliances...
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where creatures communicateand collaborate in wonderful ways...
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and form the most unexpected partnerships.
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BENEDICT: Even in this punishing world...
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-by joining forces...
-(WIND WHISTLING)
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...animals can triumphagainst extreme odds.
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When the weather turnsin this North American forest...
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sticking together can make the differencebetween life and death.
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At just five ounces, this little squirrelcan't store enough bodyfat to hibernate.
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So, he has to find food all winter.
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But once he leaves his friends...
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he could freeze.
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When the temperature falls to minus 30...
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only the most superpowered squirrelwill make it home alive.
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He needs food...
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and fast.
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Large eyes drink in the faint light.
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He sees in the dark...
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as well as we see in the day.
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And his acute sense of smell helps himto locate food on the forest floor.
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But a mushroom is only four calories.
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He needs 20 to survive the night.
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Not easy to come by in deep winter.
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If racing up and down in search of foodburns more energy than he can find,
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this night will be his last.
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(CHITTERS)
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(DRAMATIC MUSIC PLAYING)
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BENEDICT: But this little lightweighthas a secret.
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He can fly.
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Northern flying squirrelshave a furry wingsuit,
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stretching from wrist to ankle,called a patagium.
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They can glidenearly the length of a football field.
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And to land, he turns his tailinto an air brake.
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(DRAMATIC MUSIC PLAYING)
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BENEDICT: Sailing between the trees,he finds enough food with minimal effort.
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But now, this ninja of the night is farfrom his friends.
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-If he doesn't find them soon...
-(EERIE MUSIC PLAYING)
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...he will die.
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He sends outan emergency ultrasonic message.
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(SCREECHES)
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BENEDICT: Most predators can't hear it...
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-(SCREECHES)
-...but his friends can.
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-And when they reply...
-(SQUIRRELS SCREECHING)
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...he knows exactly where to go.
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(SQUIRRELS SCREECHING)
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BENEDICT: Now, they must headhome together...
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to warm up before it's too late.
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With more than 20 different densscattered through the forest...
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it could be hard to keep trackof where everyone's going...
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especially at this speed.
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But a recent discovery has exposedan even more spectacular hidden talent.
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Flying squirrels...
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-glow.
-(SOFT MUSIC PLAYING)
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BENEDICT: Filming in ultravioletreveals how they fluoresce...
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absorbing moonlight in one color...
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and emitting it in another.
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It's believedthat their glow-in-the-dark bellies
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act like beacons...
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so they can see their friends at night...
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and follow them all the way back...
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to where they're safe and warm.
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Staying close together to make itthrough the coldest nights.
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Some animals take cooperationto another level...
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(OWL SQUEALING)
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...creating a powerful senseof community...
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in which the next generationcan safely grow.
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(WHIMSICAL MUSIC PLAYING)
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BENEDICT: Burrowing owls raisetheir babies in a perilous world.
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(THUNDER RUMBLING)
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BENEDICT: Just ten inches tall,they live beneath the feet.
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-of giants.
-(OMINOUS MUSIC PLAYING)
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(BISON BELLOWS)
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BENEDICT: And in constant fearof predators.
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(CHITTERING)
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BENEDICT: On the wide-open plainsof Montana...
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-(CHITTERING)
-(BISON BELLOWS)
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-...danger comes from every angle.
-(CHITTERS)
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BENEDICT: Thankfully, burrowing owlsare all eyes and ears.
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-Binocular vision and acute hearing...
-(SCREECHES)
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BENEDICT: ...allow themto pinpoint danger.
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Even more impressive,they look out for each other.
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The only owls to live in large groups,up to 100 strong.
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They form the ultimate neighborhood watch.
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A safe environmentfor their growing owlets...
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(MID-TEMPO MUSIC PLAYING)
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BENEDICT: ...to perfect their skills.
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(CHITTERING)
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(OWLETS CHITTER)
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BENEDICT: At one month old,an owlet's eyesight
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is already fully developed.
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-(SCREECHES)
-(OMINOUS MUSIC PLAYING)
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BENEDICT: But now,only weeks before they leave home...
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they still need to mastertheir listening skills...
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by learning howto rotate their concave faces...
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to direct sound towards their ears.
146
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Get it right and it amplifies noisesup to ten times...
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but it takes practice and coordination.
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All the while,the parents have their backs,
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keeping a lookout...
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and keeping them fed.
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Owls are carnivorous,but have no teeth to chew.
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So, even the babies swallow meals whole.
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Claws, fur, bones, and all.
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And what goes in...
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must come out...
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as a pellet.
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(SQUAWKS)
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BENEDICT: Anyway, back to class.
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How to avoid danger...
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by listening to their parentsand following their example.
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When the rattlesnake alarm is raised...
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-(CHITTERING)
-(RATTLES)
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...the owlets know to keep their distance.
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(RATTLES)
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BENEDICT: Its venom is potent enoughto kill even the largest animals,
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to roam America.
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But being inquisitive can be a lifesaver.
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As long as they keep a watchful eyeand keep their distance...
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they should be safe.
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(RUMBLING)
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BENEDICT: Some dangers are harderto avoid.
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(BISONS BELLOW)
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-(RUMBLING)
-(CHITTERS)
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-BENEDICT: Bison.
-(BISON GROANS)
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BENEDICT: They target the openingsaround owl burrows to dust bathe.
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(FLIES BUZZING)
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BENEDICT: This two-and-a-half-thousandpound giant...
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could easily crush the den,and then trap those inside.
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So, the owlets do something truly amazing.
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(IMITATES RATTLE)
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BENEDICT: They've mastered the artof imitation...
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copying that telltale snake-rattleto near perfection.
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They scare off a beast 11,000 timestheir size.
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-(IMITATES RATTLE)
-(MID-TEMPO MUSIC PLAYING)
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BENEDICT: These marvelous little mimicsare well on their way to becoming
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fully-fledged membersof the burrowing owl security force.
187
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(SOFT MUSIC PLAYING)
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00:17:01,603 --> 00:17:05,863
BENEDICT: Look up, look around,look closer...
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and you'll see
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strange relationships hidden everywherein this wonderful world.
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On a few special nights each year
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this small patch of forestin the mountains of Mexico...
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stages one of the most mesmerizingdisplays of cooperation on Earth.
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00:17:33,635 --> 00:17:37,845
(EERIE MUSIC PLAYING)
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00:17:41,060 --> 00:17:45,690
-(CRICKETS CHIRPING)
-(SCREECHING)
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00:17:45,773 --> 00:17:48,733
BENEDICT: This male fireflyhas been waiting
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00:17:48,817 --> 00:17:51,067
for two years underground.
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00:17:51,528 --> 00:17:55,278
(DRAMATIC MUSIC PLAYING)
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BENEDICT: Now is his chance to shine.
200
00:18:04,833 --> 00:18:07,593
And he has just the right chemistryfor the job.
201
00:18:10,923 --> 00:18:13,343
He drives oxygen into his abdomen.
202
00:18:16,095 --> 00:18:18,465
It reactswith potent chemical compounds...
203
00:18:19,723 --> 00:18:21,733
luciferin and luciferase...
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in an explosion of bioluminescence.
205
00:18:30,400 --> 00:18:33,570
But even this enchanting abilityis not enough on its own.
206
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Females like to be dazzled.
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The brighter, the better.
208
00:18:46,375 --> 00:18:47,535
So, his only choice...
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is to team up with his rivals.
210
00:18:56,718 --> 00:18:59,598
When thousands of male firefliescome together...
211
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it's certainly brighter...
212
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but far more chaotic.
213
00:19:10,816 --> 00:19:16,276
Females will only make their movewhen the males flash in sync.
214
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So, slowly, they adjust their timing...
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until finally, something magical happens.
216
00:19:38,218 --> 00:19:41,098
They reach supernatural synchronicity...
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a glowing Mexican wave,rarely filmed before.
218
00:19:52,608 --> 00:19:54,898
Of 2000 firefly species...
219
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only around 12 display in unison...
220
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and this ripple effect is so phenomenal...
221
00:20:05,120 --> 00:20:09,000
even the pickiest femalecan't help being turned on.
222
00:20:11,001 --> 00:20:12,501
She shows her interests...
223
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but her light is so faint...
224
00:20:18,300 --> 00:20:21,850
she must make her signal in the gapbetween the male's flashes.
225
00:20:29,561 --> 00:20:32,611
There are ten rivals vyingfor each female.
226
00:20:34,650 --> 00:20:37,490
So now, it's every male for himself.
227
00:20:40,364 --> 00:20:42,994
It's this determined fellowwho reaches her first...
228
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and finally gets to mate.
229
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But ultimately,
230
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his luck in love is all thanksto this spell-binding display
231
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of cooperation.
232
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The deeper we delveinto nature's strange relations...
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(DRAMATIC MUSIC PLAYING)
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BENEDICT:
...the more surprising they become.
235
00:21:33,875 --> 00:21:35,165
On the African savanna...
236
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unlikely allies collaborate to overcomea big problem.
237
00:21:41,383 --> 00:21:42,633
(ELEPHANTS TOOT)
238
00:21:43,468 --> 00:21:45,508
BENEDICT: To satisfyits enormous appetite...
239
00:21:46,555 --> 00:21:50,175
an elephant eats 300 pounds of vegetationin a day.
240
00:21:54,521 --> 00:22:00,361
-(ELEPHANTS HUFF, TRUMPET)
-BENEDICT: Trees can't escape.
241
00:22:02,321 --> 00:22:04,031
(ELEPHANT TRUMPETING)
242
00:22:09,202 --> 00:22:13,252
BENEDICT: But the whistling acaciahas an extraordinary elephant deterrent.
243
00:22:16,752 --> 00:22:19,212
A low-frequency sonic shield...
244
00:22:21,173 --> 00:22:23,553
(BEES BUZZING)
245
00:22:25,677 --> 00:22:29,177
BENEDICT: ...that sounds likea swarm of angry, stinging bees.
246
00:22:34,102 --> 00:22:36,442
It's a noise that even elephants fear.
247
00:22:39,358 --> 00:22:42,988
(ELEPHANT HUFFS, TRUMPETS)
248
00:22:45,238 --> 00:22:46,778
(SCREECHES)
249
00:22:48,158 --> 00:22:51,448
BENEDICT: The acacia doesn't comewith a built-in alarm system...
250
00:22:52,788 --> 00:22:56,038
it's installed by little helpers.
251
00:23:02,464 --> 00:23:06,344
Cocktail ants gnaw holesin the swollen thorns.
252
00:23:11,014 --> 00:23:14,484
It's believed they use their antennaeto judge the perfect angle.
253
00:23:18,522 --> 00:23:21,152
So, when the prevailing wind blows...
254
00:23:23,527 --> 00:23:26,447
the acacia starts to sing.
255
00:23:26,905 --> 00:23:30,825
(EERIE MUSIC PLAYING)
256
00:23:31,243 --> 00:23:33,753
BENEDICT: The ant holes not only makethe tree whistle...
257
00:23:34,704 --> 00:23:37,754
they are also portals to a hidden world.
258
00:23:41,128 --> 00:23:42,588
Secret safe houses...
259
00:23:44,798 --> 00:23:46,428
where the ants raise their young.
260
00:23:51,012 --> 00:23:55,272
The tree also supplies highly-addictive,sugary nectar to make sure the ants
261
00:23:55,392 --> 00:23:56,392
stick around.
262
00:23:56,518 --> 00:24:02,478
(MID-TEMPO MUSIC PLAYING)
263
00:24:06,987 --> 00:24:11,697
BENEDICT: And just one acacia can housea colony 50,000 strong.
264
00:24:13,869 --> 00:24:16,539
It's a city in the sky...
265
00:24:18,457 --> 00:24:21,997
(DRAMATIC MUSIC PLAYING)
266
00:24:23,253 --> 00:24:24,463
BENEDICT: ...but it's under attack.
267
00:24:30,510 --> 00:24:33,310
(LEAVES RUSTLE)
268
00:24:37,142 --> 00:24:40,152
BENEDICT: A six-foot neckcan reach the highest leaves.
269
00:24:43,190 --> 00:24:47,030
A dexterous 21-inch tongue can pickbetween the thorns.
270
00:24:56,536 --> 00:24:58,206
And unlike elephants...
271
00:24:59,289 --> 00:25:02,329
giraffes are immuneto an acacia's whistle.
272
00:25:07,047 --> 00:25:10,507
Time for the ants to earn their keep...
273
00:25:10,842 --> 00:25:15,762
(RHYTHMIC DRUM MUSIC PLAYING)
274
00:25:16,389 --> 00:25:19,769
BENEDICT: ...and to mobilize an armyto take on an enemy,
275
00:25:19,935 --> 00:25:23,185
158 million times their size.
276
00:25:40,121 --> 00:25:44,381
Cocktail ants can't see far,so they detect attackers
277
00:25:44,709 --> 00:25:46,959
using hypersensitive vibration sensors.
278
00:25:50,173 --> 00:25:51,383
As the giraffe feeds...
279
00:25:52,884 --> 00:25:54,764
it sends shockwaves through the branches.
280
00:26:00,183 --> 00:26:04,483
The ants can measure minute differencesin these tremors with their legs.
281
00:26:17,325 --> 00:26:21,615
If the front right detects motion,a fraction of a second before back left,
282
00:26:21,913 --> 00:26:24,753
it means enemy ahead, to the right.
283
00:26:31,881 --> 00:26:33,051
The army attacks...
284
00:26:35,468 --> 00:26:38,178
inflicting painful bites to the tongueand face.
285
00:26:38,305 --> 00:26:44,345
(SUSPENSEFUL MUSIC PLAYING)
286
00:26:47,981 --> 00:26:49,071
BENEDICT: It's one for all...
287
00:26:50,734 --> 00:26:53,154
and all for the tree.
288
00:26:56,573 --> 00:27:00,043
Raising their abdomens,they blast out noxious acid.
289
00:27:03,079 --> 00:27:04,829
It's how they earned their name.
290
00:27:06,499 --> 00:27:07,999
Cocktail ants.
291
00:27:16,718 --> 00:27:18,388
And it works.
292
00:27:21,681 --> 00:27:26,441
(OMINOUS MUSIC PLAYING)
293
00:27:29,397 --> 00:27:31,107
BENEDICT: Losses are inevitable...
294
00:27:35,654 --> 00:27:38,494
but eventually, the giraffe is forcedto move on.
295
00:27:46,873 --> 00:27:48,673
Despite damage and casualties...
296
00:27:49,918 --> 00:27:52,378
both acacia and colony live on.
297
00:27:55,090 --> 00:27:57,590
Thanks to their remarkable partnership.
298
00:28:00,970 --> 00:28:03,140
(THUNDER RUMBLING)
299
00:28:03,223 --> 00:28:07,143
BENEDICT: It's not only conflictthat brings species together.
300
00:28:08,937 --> 00:28:10,267
(WARTHOG OINKS)
301
00:28:12,107 --> 00:28:14,977
BENEDICT: Warthogs love a good mud bath.
302
00:28:15,068 --> 00:28:18,528
(WHIMSICAL MUSIC PLAYING)
303
00:28:18,613 --> 00:28:20,073
BENEDICT: It feels great...
304
00:28:22,075 --> 00:28:23,825
and exfoliates the skin...
305
00:28:25,704 --> 00:28:28,584
but there are some thingsmud just can't remove.
306
00:28:31,209 --> 00:28:35,629
A hog's body plays host to all sortsof parasites,
307
00:28:36,256 --> 00:28:39,046
blood-sucking ticks and lice...
308
00:28:40,260 --> 00:28:42,430
hiding in places they simply cannot reach.
309
00:28:46,099 --> 00:28:48,809
At least, not without a little help.
310
00:28:52,272 --> 00:28:55,902
This band of mongooses lives close by.
311
00:28:58,361 --> 00:28:59,651
They're a chatty bunch
312
00:29:00,321 --> 00:29:02,821
with one of the mostsophisticated animal languages.
313
00:29:06,286 --> 00:29:09,036
(MONGOOSES CHATTER)
314
00:29:09,831 --> 00:29:12,381
BENEDICT: Using a wide vocabularyof vowels and syllables...
315
00:29:13,501 --> 00:29:15,251
they discuss where to find food...
316
00:29:17,714 --> 00:29:18,844
and everyone's agreed.
317
00:29:20,467 --> 00:29:23,087
-It's time to hit the town.
-(DRAMATIC MUSIC PLAYING)
318
00:29:26,765 --> 00:29:29,515
BENEDICT: Weighing in at 330 pounds...
319
00:29:30,643 --> 00:29:33,983
-(WARTHOG GRUNTS)
-BENEDICT: ...and armed to the teeth...
320
00:29:36,107 --> 00:29:39,487
warthogs are usually on the defensive.
321
00:29:42,322 --> 00:29:44,032
But in this Ugandan village...
322
00:29:44,991 --> 00:29:48,831
they've learnedto be a little more approachable.
323
00:30:00,048 --> 00:30:04,798
Warthogs and mongoosesdon't speak the same language...
324
00:30:06,346 --> 00:30:09,266
but they share somethingexceedingly rare between mammals...
325
00:30:11,726 --> 00:30:13,686
a cross-species collaboration...
326
00:30:18,233 --> 00:30:19,233
initiated...
327
00:30:21,027 --> 00:30:22,277
by body language.
328
00:30:25,365 --> 00:30:30,325
When the hog rolls over,the mongooses understand.
329
00:30:32,455 --> 00:30:35,415
It's an invitation to dine.
330
00:30:38,920 --> 00:30:42,840
With a sense of smell 1000 timesmore sensitive than our own...
331
00:30:46,386 --> 00:30:48,346
they detect the faint smell of blood...
332
00:30:56,187 --> 00:30:59,227
and pick off protein-packed parasites.
333
00:31:07,657 --> 00:31:09,577
A nutritious meal for the mongooses...
334
00:31:13,204 --> 00:31:16,424
and a much-needed deep cleanfor the warthog.
335
00:31:23,256 --> 00:31:28,336
This special relationship is only seenin two places on Earth.
336
00:31:30,555 --> 00:31:34,845
Both, around human settlementswhere there are fewer predators...
337
00:31:36,394 --> 00:31:38,904
so prey can relax a little...
338
00:31:39,939 --> 00:31:42,979
in the company of newfound friends.
339
00:31:48,323 --> 00:31:50,413
As animals adapt to the modern world...
340
00:31:51,451 --> 00:31:54,161
it's giving rise to someof the most efficient
341
00:31:54,412 --> 00:31:56,582
and effective partnerships of all.
342
00:32:01,085 --> 00:32:05,505
(SOFT MUSIC PLAYING)
343
00:32:07,800 --> 00:32:09,050
BENEDICT: Bottlenose dolphins
344
00:32:09,636 --> 00:32:12,716
use highly sophisticated techniquesto catch their prey.
345
00:32:21,397 --> 00:32:24,897
But some have taken huntingto a whole new level...
346
00:32:28,488 --> 00:32:29,488
by teaming up...
347
00:32:31,199 --> 00:32:32,909
with another intelligent animal.
348
00:32:44,170 --> 00:32:46,090
(SEAGULLS SQUAWKING)
349
00:32:46,172 --> 00:32:51,472
BENEDICT: Local fishermen in Laguna,Brazil know that between May and June,
350
00:32:51,886 --> 00:32:55,386
these estuarine waters are swimmingwith mullet...
351
00:32:59,352 --> 00:33:01,312
but it's too murky to see them...
352
00:33:07,402 --> 00:33:10,612
unless you see in sound.
353
00:33:19,205 --> 00:33:23,665
Echolocation is a precision sonar system,that can detect the size,
354
00:33:23,751 --> 00:33:26,251
speed, and distance of prey.
355
00:33:38,558 --> 00:33:40,888
The dolphins use it to find the mullet...
356
00:33:47,775 --> 00:33:49,855
and then they shepherd them together.
357
00:33:55,867 --> 00:33:58,997
But schooling fish are very hardto target.
358
00:34:06,377 --> 00:34:08,497
So, with a flick of their flukes...
359
00:34:09,630 --> 00:34:11,550
they make a distinctive dive...
360
00:34:12,592 --> 00:34:16,602
providing a signature slap that signalsto their fishermen friends...
361
00:34:17,722 --> 00:34:20,352
"It's time to cast."
362
00:34:35,698 --> 00:34:38,828
It helps the humans land catchafter catch.
363
00:34:40,244 --> 00:34:43,414
Where otherwise,they would be fishing blind.
364
00:34:44,373 --> 00:34:49,423
(SOFT MUSIC PLAYING)
365
00:34:51,547 --> 00:34:53,167
BENEDICT: It helps the dolphins too.
366
00:34:58,221 --> 00:34:59,391
When the nets are cast...
367
00:35:01,057 --> 00:35:02,387
the mullet panic...
368
00:35:08,773 --> 00:35:09,823
break formation...
369
00:35:11,275 --> 00:35:12,355
and scatter...
370
00:35:13,778 --> 00:35:16,068
straight toward the waiting dolphins.
371
00:35:17,323 --> 00:35:21,953
(DRAMATIC MUSIC PLAYING)
372
00:35:28,376 --> 00:35:30,706
BENEDICT: Everyone gets a belly fullof fish.
373
00:35:34,132 --> 00:35:35,932
It's the perfect partnership.
374
00:35:40,847 --> 00:35:41,847
Strategic...
375
00:35:43,099 --> 00:35:44,099
ingenious...
376
00:35:45,059 --> 00:35:48,769
with two intelligent species combiningto succeed.
377
00:35:55,236 --> 00:35:57,656
There's still much to explorein our world.
378
00:35:59,991 --> 00:36:03,241
And even stranger relationshipsto discover.
379
00:36:03,327 --> 00:36:04,787
(CROAKING)
380
00:36:06,289 --> 00:36:10,709
BENEDICT: It turns out, one of the mostsurprising alliances on Earth...
381
00:36:11,752 --> 00:36:14,512
has been hiding right under our feet.
382
00:36:19,719 --> 00:36:23,389
Trees lead a secret social life.
383
00:36:26,726 --> 00:36:28,136
-Deep underground...
-(DRAMATIC MUSIC PLAYING)
384
00:36:29,729 --> 00:36:32,269
...there's a lively conversationtaking place.
385
00:36:37,570 --> 00:36:39,740
The trees are talking...
386
00:36:41,115 --> 00:36:43,525
through a newly-discoveredsocial network...
387
00:36:45,119 --> 00:36:47,909
known as the wood wide web.
388
00:36:50,625 --> 00:36:53,955
Fungi, form a matrixof hair-like threads...
389
00:36:56,631 --> 00:36:58,631
detach sugars from tree roots...
390
00:37:02,678 --> 00:37:03,678
and in return...
391
00:37:04,513 --> 00:37:08,183
they provide the tree with minerals,they siphon from the soil.
392
00:37:12,021 --> 00:37:17,781
And this secret subterranean relationshipallows something even more unexpected
393
00:37:17,860 --> 00:37:19,780
-to take place.
-(CREAKING)
394
00:37:21,280 --> 00:37:23,320
BENEDICT: Once the trees are connected...
395
00:37:24,825 --> 00:37:27,115
they can exchange information...
396
00:37:28,829 --> 00:37:32,669
vital warnings of drought and disease.
397
00:37:46,847 --> 00:37:49,927
This Douglas fir has stood for decades.
398
00:37:50,935 --> 00:37:53,185
But now, it's in peril.
399
00:37:53,354 --> 00:37:56,024
(EERIE MUSIC PLAYING)
400
00:37:56,107 --> 00:37:59,527
BENEDICT: A Douglas fir beetlehas a deadly plan...
401
00:38:00,903 --> 00:38:02,153
to raise an army...
402
00:38:03,281 --> 00:38:04,531
and kill the tree.
403
00:38:09,161 --> 00:38:12,331
Broadcasting chemicaland electrical signals,
404
00:38:13,082 --> 00:38:18,382
the fir warns its neighborsto produce defensive poisons.
405
00:38:20,381 --> 00:38:23,131
But it may be too late to save itself.
406
00:38:28,264 --> 00:38:31,274
The pea-sized pest emits a pheromone...
407
00:38:32,143 --> 00:38:35,903
(SOFT MUSIC PLAYING)
408
00:38:36,731 --> 00:38:38,981
BENEDICT: ...that could sealthe fir's fate.
409
00:38:45,614 --> 00:38:47,534
It's calling reinforcements...
410
00:38:49,076 --> 00:38:51,906
and summoning a mass invasion.
411
00:38:55,082 --> 00:38:56,422
Beetles...
412
00:38:57,168 --> 00:38:58,168
arrive...
413
00:38:59,879 --> 00:39:00,879
mate...
414
00:39:02,131 --> 00:39:03,511
and burrow in.
415
00:39:05,801 --> 00:39:10,431
Then their young eat the tree alive.
416
00:39:13,517 --> 00:39:17,357
This mighty fir will be dead within weeks.
417
00:39:20,024 --> 00:39:21,864
But in a selfless final act...
418
00:39:24,653 --> 00:39:29,413
the dying giant diverts sugarsto its roots...
419
00:39:29,700 --> 00:39:33,750
(SOMBER MUSIC PLAYING)
420
00:39:35,539 --> 00:39:39,839
BENEDICT: ...so these life-giving suppliescan be shared through the "woodwide web."
421
00:39:53,265 --> 00:39:56,765
And in doing so,it helps neighbors and offspring
422
00:39:57,603 --> 00:39:58,853
to grow stronger.
423
00:40:03,150 --> 00:40:04,900
As one life ebbs away...
424
00:40:06,487 --> 00:40:07,657
the rest of the forest
425
00:40:08,280 --> 00:40:11,740
becomes better prepared to fightfor its future.
426
00:40:17,081 --> 00:40:19,421
We're still discovering the powerof the connection
427
00:40:19,542 --> 00:40:21,342
between trees and fungi.
428
00:40:22,878 --> 00:40:24,548
But it's already clear...
429
00:40:25,339 --> 00:40:31,139
this deep-rooted relationshipis fundamental to all life on Earth.
430
00:40:32,263 --> 00:40:34,013
-(BIRDS CHIRPING)
-(DRAMATIC MUSIC PLAYING)
431
00:40:36,809 --> 00:40:40,099
BENEDICT: They say in naturethat only the strongest survive.
432
00:40:45,526 --> 00:40:47,146
BENEDICT: But when cooperation...
433
00:40:48,154 --> 00:40:49,204
and communication...
434
00:40:51,031 --> 00:40:53,411
bring animals and plants together...
435
00:40:55,494 --> 00:40:57,874
and superpowers combine...
436
00:41:02,001 --> 00:41:06,801
even the most vulnerablecan become unstoppable.
437
00:41:07,214 --> 00:41:10,184
(RHYTHMIC DRUM MUSIC PLAYING)
438
00:41:10,259 --> 00:41:11,679
BENEDICT: If you think you know nature...
439
00:41:12,178 --> 00:41:14,138
(IMITATES RATTLE)
440
00:41:17,516 --> 00:41:18,556
BENEDICT: ...think again.
35950
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