All language subtitles for Earth Odyssey With Dylan Dreyer S07E07 1080p WEB h264-DiRT_track3_[eng]

.

NARRATOR: WHEN YOU SEE THIS
SYMBOL, YOU KNOW YOU'RE WATCHING

TELEVISION THAT'S EDUCATIONAL
AND INFORMATIONAL.

THE MORE YOU KNOW ON NBC.

DYLAN: HEY EVERYONE, I'M DYLAN
DREYER AND IT'S TIME FOR AN

ACTION PACKED ADVENTURE ON
TODAY'S EARTH ODYSSEY.

TODAY, WE'LL EXPLORE THE
WILDS OF NORTH AMERICA,

HOME TO FASCINATING ANIMALS.

LIKE THIS ACROBATIC PREDATOR,
WHO'S READY TO JUMP

HEAD FIRST INTO THE HUNT.

AND MEET THE KING OF
CALIFORNIA'S BEACH THAT

HAS A NOSE FOR NOISE.

PLUS, THIS BIRD CAN
OUTRUN A HUMAN AND TAKE

ON A POISONOUS SNAKE.

AND AN EPIC MIGRATION ENDS
IN A DAZZLING DISPLAY.

ALL THIS AND MORE
ON EARTH ODYSSEY.

[MUSIC]

DYLAN: FROM THE TUNDRA TO THE
TROPICS, NORTH AMERICA STRETCHES

5,000 MILES THROUGH CANADA,
THE UNITED STATES AND MEXICO.

RICH IN RESOURCES, ITS
DIVERSE HABITATS ARE HOME TO

MANY NATURAL BORN HUNTERS.

LIKE JAGUARS, GRIZZLIES,
WOLVES AND MOUNTAIN LIONS.

BUT ONE PREDATOR IN PARTICULAR
HAS DEVELOPED A SURPRISINGLY

HEADY STRATEGY FOR FINDING
PREY IN ONE OF THE MOST

VOLCANIC LANDSCAPES ON EARTH.

COVERING MORE THAN 2
MILLION ACRES IN THE

NORTHWESTERN UNITED STATES,
YELLOWSTONE IS THE OLDEST

NATIONAL PARK IN THE WORLD.

THE REGION WAS FORMED IN A
MASSIVE VOLCANIC ERUPTION MORE

THAN HALF A MILLION YEARS AGO.

THE LAVA FROM THAT ERUPTION
CREATED A GIANT 45 MILE

WIDE CALDERA, A BOWL LIKE
DEPRESSION IN THE GROUND.

THE VOLCANIC NUTRIENT RICH SOILS
FORM A VITAL FEEDING GROUND

FOR A WIDE RANGE OF MAMMALS.

FROM HERDS OF ELK...

...TO FAMILIES OF BEARS...

[BEAR CUB GROWLS]

DYLAN: ...AND GROUND SQUIRRELS.

BUT WHEN WINTER ARRIVES
IN YELLOWSTONE, FINDING

FOOD IN THIS FROZEN WORLD
BECOMES A CHALLENGE.

[MUSIC]

DYLAN: A GOLDEN EAGLE
SCAVENGES WHAT IT CAN.

AND A RED FOX FEMALE CALLED
A VIXEN HUNTS ALONE.

HER PUPS HAVE LEFT THE
DEN TO FIND THEIR OWN

TERRITORY IN THE VAST FOREST.

BUT THERE IS NO EASY
GAME TO BE HAD HERE.

THE FOX HAS TO HUNT FOR
FOOD UNDER THE SNOW.

ALTHOUGH FOXES WILL EAT PLANTS,
SHE'S ON THE PROWL FOR A

DIFFERENT KIND OF FOOD TODAY.

WHEN THE NORTHERN HEMISPHERE
LIES UNDER A THICK BLANKET

OF SNOW, SMALL MAMMALS
INHABIT A NEW WORLD BENEATH.

THEY SURVIVE IN THE SUBNIVIAN
ZONE, LIVING UNDER THE SNOW.

IT'S AN OPEN, SHALLOW LAYER
HELD UP BY VEGETATION AND ICE.

WARMED BY THE GROUND, THE
ZONE UNDER THE SNOW IS

PROTECTED FROM THE WIND CHILL
AT A TEMPERATURE HOVERING

AROUND FREEZING OR 32
DEGREES FAHRENHEIT.

IT'S WARMER UNDER HERE THAN
OUTSIDE, BUT NOT ENTIRELY SAFE.

ANY MOVEMENT MAKES A SOUND.

AND THE VIXEN IS LISTENING,
ROTATING EACH EAR INDEPENDENTLY.

SHE TRIES TO DETERMINE AN
EXACT POSITION FOR HER

PREY...

THEN TAKES A LEAP.

[MUSIC]

DYLAN: ACCURACY IS HARD IN
A BLIND SNOW DIVE.

THE SUCCESS RATE OF A POUNCE
IS LESS THAN 20%, BUT THIS

IS A GAME OF PERSISTENCE.

AND THERE'S MORE TO IT
THAN MEETS THE EYE.

STRANGELY, WHEN FOXES POUNCE
IN A NORTHEASTERLY DIRECTION,

THEY ARE MUCH MORE SUCCESSFUL
HITTING THEIR TARGET IN

THREE OUT OF FOUR ATTEMPTS.

IT'S THOUGHT THEY CAN DETECT THE
EARTH'S MAGNETIC FIELD USING A

SPECIAL PROTEIN IN THEIR EYES.

THEY ALIGN THE SOUND OF ANIMALS
UNDER THE SNOW TO THE SLOPE OF

THE MAGNETIC FIELD AND ESTIMATE
WHERE THEIR PREY IS HIDING.

[MUSIC]

DYLAN: THIS UNIQUE ADAPTATION
AND THOSE ACROBATIC SNOW DIVES

PROVIDE A POWERFUL EDGE
IN THE BATTLE AGAINST

HUNGER HERE IN YELLOWSTONE.

COMING UP, MARINE MAMMALS COZY
UP ON THE BEACH UNTIL IT'S

TIME FOR A BATTLE OF THE BULLS.

AND THIS BIRD WAS MADE FAMOUS
IN CARTOONS, BUT DON'T BE

FOOLED, HE'S A SERIOUS PREDATOR.

PLUS, DELICATE WINGED CREATURES
BRING A BOUNTY OF BEAUTY

TO THE MOUNTAINS OF MEXICO.

ALL THIS AND MORE WHEN EARTH
ODYSSEY COMES RIGHT BACK.

.

NARRATOR: WE NOW RETURN TO
THE MORE YOU KNOW ON NBC.

[MUSIC]

DYLAN: ON THE CALIFORNIA
COASTLINE, POWERFUL MARINE

MAMMALS HAVE MIGRATED BACK TO
THE BEACH WHERE THEY WERE BORN.

AND WINTER AT THIS BREEDING
GROUND CAN BE A CHALLENGING

TIME FOR MALE ELEPHANT SEALS.

THE MALES AND FEMALES HAVE
BEEN APART FOR MANY MONTHS.

THE FEMALES HAVE SPENT THE
LAST SEVEN MONTHS GETTING

READY TO GIVE BIRTH, FORAGING
MAINLY ON FISH IN THE

OPEN WATERS OF THE PACIFIC.

THE ALPHA MALES HAVE SPENT
THE LAST FEW MONTHS GORGING

AS MUCH AS THEY CAN ALONG
ALASKA'S CONTINENTAL SHELF.

ON THE COASTLINE, THERE'S A
GREATER RISK OF PREDATORS, BUT A

BETTER CHANCE TO PUT ON WEIGHT.

NOW, IN BREEDING SEASON,
THEY'LL INTEND TO PUT ALL

THAT BLUBBER TO GOOD USE.

THE BULLS CAN WEIGH UP TO
4,400 POUNDS, AS MUCH AS A

SMALL VAN OR CARGO TRUCK.

BIG MALES WEIGH THREE TIMES
MORE THAN THE FEMALES.

THAT SIZE AND STRENGTH IS A
PREREQUISITE FOR THE ALPHA

MALE TO DEFEND A GROUP OF
FEMALES AGAINST HIS RIVALS

AND TO KEEP THE
FEMALES' ATTENTION.

THIS GIANT BEACH MASTER
CONTROLS A PATCH OF SAND

HARBORING AROUND 100 FEMALES.

HOLDING SUCH A POSITION IS A
CONSTANT JOB FOR THE MONTHS

THE COLONY IS ON SHORE.

YOUNG MALES AREN'T BIG ENOUGH
TO COMPETE UNTIL THEY'RE

AROUND NINE YEARS OLD.

EACH MATING SEASON, THE ALPHA
MALES MUST GO WITHOUT FOOD FOR

100 DAYS OR RISK LOSING THEIR
MATING PARTNERS.

BUT THE BEACH MASTER HAS STORED
ENOUGH FAT TO TOUGH OUT THE

LONG FAST AND STAND HIS GROUND.

OTHER MALES BARK OUT A
CHALLENGE, TRYING TO TRESPASS

ON THE BIG BULL'S TERRITORY.

[ELEPHANT SEAL GROWLING]

DYLAN: ONE DOMINANT MALE
MIGHT BREED WITH 40 TO 50

FEMALES IN THE COLONY.

THE BEACH MASTER NEEDS TO
TEACH THE YOUNG MALE A LESSON.

[MUSIC]

[ELEPHANT SEALS GROANS AND
ROARS]

DYLAN: EVENTUALLY, THE
YOUNG UPSTART BACKS OFF.

EVEN FOR OLDER BULLS, FIGHTING
IS A COSTLY EXERCISE.

IT'S MUCH BETTER TO
ESTABLISH DOMINANCE

WITHOUT PHYSICAL CONTACT.

THEIR LARGE NOSE, OR PROBOSCIS,
SERVES AS A LOUDSPEAKER,

AN INSTRUMENT THAT ACTUALLY
INFLATES TO AMPLIFY THEIR ROAR.

IT'S A VOCAL SIREN
THAT'S DEVELOPED OVER

MANY YEARS, A SIGNAL OF
BRAVADO, BRAWN AND AGE.

THE BEACH MASTER WILL NEED TO
FIGHT OFF NUMEROUS CHALLENGERS,

AND BATTLES CAN LAST
ANYWHERE FROM A FEW

MINUTES TO HALF AN HOUR.

EVEN THOUGH COMBAT
LOOKS PAINFUL, INJURIES

ARE RARELY SERIOUS.

CHALLENGERS LEARN TO
BACK DOWN WHEN THE FIGHT

HAS BEEN CLEARLY WON.

LIFE CAN GO ON A BIT MORE
PEACEFULLY HERE ON THE BEACH,

UNTIL IT'S TIME FOR THE COLONY
TO TAKE TO THE SEA AGAIN.

COMING UP, ONE VERY CLEVER BIRD
KNOWS JUST HOW TO STAKE OUT A

SNAKE.

AND THEY MAY LOOK AS
DELICATE AS FLOWERS,

BUT THESE ANIMALS ARE
SOME OF THE HARDIEST

TRAVELERS IN NATURE.

DON'T GO AWAY, EARTH
ODYSSEY WILL BE RIGHT BACK.

.

NARRATOR: WE NOW RETURN TO
THE MORE YOU KNOW ON NBC.

DYLAN: WHEN AN ANIMAL IS
EXTREMELY VENOMOUS, IT'S HARD

TO IMAGINE MANY CHALLENGERS
TAKING IT ON.

BUT IN THE CANYONS OF
THE AMERICAN SOUTHWEST,

ONE SPECIES SHOWS NO
FEAR WHEN IT COMES TO

CONFRONTING A DEADLY REPTILE.

TAKE A LOOK.

NEAR THE END OF THE DAY IN
THE SOUTHWESTERN DESERT,

A PROWLER IS ON THE HUNT.

A RATTLESNAKE.

THIS ONE IS SCOURING
THE ROCKY GROUNDS FOR

SIGNS OF A RODENT MEAL.

HEAT-SENSITIVE PITS IN
THE RATTLESNAKE'S FACE

CAN DETECT THE WARM
BODIES OF SMALL MAMMALS,

ALLOWING IT TO SEE A
HEAT IMAGE OF ITS PREY.

RATTLESNAKES ARE
AMBUSH PREDATORS.

THEY LIE IN WAIT FOR THEIR PREY.

AND WHILE THEY DON'T SEEK
OUT PEOPLE, THEY WILL

STRIKE AND USE THEIR FANGS
TO PROTECT THEMSELVES.

AND THEIR BITE CAN BE DEADLY,
ESPECIALLY TO SMALLER PREY.

NOT MANY ANIMALS WILL STAND
THEIR GROUND AGAINST THIS

HIGHLY VENOMOUS SNAKE.

BUT THERE IS ONE AMERICAN
INHABITANT THAT WILL TAKE IT ON.

THE ROADRUNNER.

THE ICONIC BIRD IS PERFECTLY
ABLE TO FLY, BUT IT'S

FAMOUS FOR ITS RUNNING SPEED
AND ITS WILLINGNESS TO TAKE

ON FORMIDABLE OPPONENTS.

IT SPENDS MOST OF ITS TIME
ON THE GROUND, HUNTING PREY.

BUT PERHAPS MORE SURPRISING
IS ITS DESIRE TO EAT SOME

OF THE MOST UNAPPETIZING
ANIMALS IMAGINABLE,

FROM BUGS TO RODENTS
TO RATTLESNAKES.

THE ROADRUNNER HAS A REMARKABLE
STRATEGY TO DISPATCH

THE DEADLY RATTLESNAKE
WITHOUT INJURING ITSELF.

FIRST, THE BIRD DROPS ITS WINGS,
USING THEM LIKE A SHIELD.

[MUSIC]

DYLAN: THEN, THE ROADRUNNER
BEGINS TO CIRCLE AND ANTAGONIZE

THIS JUVENILE SNAKE,
TRYING TO WEAR IT OUT.

ALTHOUGH SOME RATTLESNAKE
SPECIES CAN GROW

UP TO EIGHT FEET, THIS
YOUNG SNAKE IS FAR SMALLER.

THERE'S NO WIN FOR
THE ROADRUNNER TODAY.

IN THE BATTLEGROUNDS OF THE WILD
WEST, THERE ARE NO GUARANTEES.

COMING UP, IT'S NOT JUST BIRDS
WHO FLY SOUTH FOR THE WINTER

WHEN EARTH ODYSSEY RETURNS.

.

NARRATOR: WE NOW RETURN TO
THE MORE YOU KNOW ON NBC.

[MUSIC]

DYLAN: BUTTERFLIES HAVE EXISTED
ON EARTH FOR MORE THAN 200

MILLION YEARS, LONGER THAN
FLOWERING PLANTS.

BUTTERFLIES HAVE CLUNG
TO SURVIVAL DESPITE

THEIR DELICATE BODIES.

TODAY, THEY CONTINUE TO IMPRESS
WITH THEIR FEATS OF ENDURANCE.

NONE MORE SO THAN THE
MONARCH BUTTERFLY.

EACH YEAR, IT EMBARKS ON A
MASSIVE TWO-WAY MIGRATION.

FROM THEIR SUMMER BREEDING
GROUNDS AS FAR NORTH AS CANADA,

THE BUTTERFLIES JOURNEY
2,500 MILES SOUTH.

THEY'LL LAND IN THEIR WINTER
HIBERNATION GROUNDS IN THE

CONIFER FORESTS OF MEXICO.

COME SPRING, THEY HEAD
NORTH AGAIN, LIKE BIRDS.

IT'S ONLY IN THE NORTH
THAT THE MONARCHS FIND

A SPECIAL TYPE OF PLANT
CRITICAL TO THEIR

LARVA'S SURVIVAL.

FEMALES MUST LAY THEIR
EGGS ON THE UNDERSIDE

OF MILKWEED LEAVES.

MILKWEED SAP IS TOXIC
TO MOST OTHER ANIMALS,

BUT NOT TO THEIR NEWLY
HATCHED CATERPILLARS.

THEY DEVOUR THE PLANT
WITH ENTHUSIASM.

AS THEY CONSUME THE PLANT,
THEY ALSO BECOME POISONOUS,

PROTECTING THEM FROM
MOST PREDATORS.

THEIR BRIGHT YELLOW, BLACK,
AND WHITE STRIPES ARE A

COLORFUL WARNING TO STAY CLEAR.

AFTER TWO WEEKS OF GLUTTONY,
THE LARVAE ARE READY FOR THEIR

SPECTACULAR TRANSFORMATION.

SPINNING A COCOON OF GREEN AND
GOLD, THEY EMERGE FROM THE

CHRYSALIS THREE WEEKS LATER.

BUT MOST OF THE NEW
BUTTERFLIES WON'T MAKE IT.

THEY LIVE FOR JUST A FEW
WEEKS, WITH MULTIPLE

GENERATIONS BREEDING AND
DYING IN THE SUMMER.

EXCEPT FOR THE LAST GENERATION
OF THE SEASON, WHICH CAN

LIVE AS LONG AS EIGHT MONTHS.

THIS FINAL GENERATION OF THE
SEASON MUST FIND A WAY SOUTH,

OR THEY'LL DIE IN THE BITTERLY
COLD NORTHERN WINTER.

USING THE SUN AS A COMPASS,
THE BUTTERFLIES MAKE A

LIFE-OR-DEATH SPRINT TO MEXICO.

BUT THE MIGRATION IS FULL
OF HAZARDS ALONG THE WAY.

[MUSIC]

DYLAN: PRAIRIES THAT WERE ONCE
FULL OF WILDFLOWERS HAVE

BEEN REPLACED WITH FARMED
MONOCULTURE CROPS AND CITIES.

CHEMICAL SPRAYS ARE ABUNDANT.

HEAVY FROSTS ALSO
TAKE THEIR TOLL.

THE BUTTERFLIES CROSS REGIONS
WITH BARELY ANY FOOD OR WATER.

FINALLY, IN AUTUMN, THEY
MAKE IT TO THE FARTHEST

NORTH OF MEXICO CITY.

CLOUDS OF BUTTERFLIES GO
UP INTO THE MOUNTAINS.

THERE, FIR TREES CHANGE HUE FROM
GREEN TO A SHIMMERING GOLD.

THE MALES THAT HAVE MATED
HERE HAVE ONE PURPOSE,

TO MATE BEFORE THEY DIE.

ONLY THE FEMALES WILL LIVE
TO TRAVEL NORTH ONCE MORE

AND LAY THEIR EGGS ON THE
ALL-IMPORTANT MILKWEED PLANT.

IN THE LAST DAYS IN
MEXICO, THE MALES EXPIRE.

BUT THEY LEAVE BEHIND
A PHEROMONE OF LOVE, A

LONG-LASTING SCENT THAT LINGERS
ON THE TREES AND IN THE AIR,

A MESSAGE TO THE NEXT
YEAR'S MIGRATING MONARCHS.

ADAPTATIONS LIKE THE
RED FOX'S ACROBATIC

SNOW DIVE, THE ELEPHANT
SEAL'S BIG-NOSED BELLOW,

OR THE MONARCH BUTTERFLY'S
EPIC MIGRATION REMIND US

OF THE WONDERS OF WILDLIFE.

IN NORTH AMERICA AND AROUND THE
WORLD, EACH ANIMAL SPECIES HAS

ITS OWN UNIQUE SET OF QUALITIES
WAITING TO BE DISCOVERED.

THANKS FOR WATCHING.

I'M DYLAN DREYER.

SEE YOU NEXT TIME
ON EARTH ODYSSEY.

[MUSIC]