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♪
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Narrator:
THE BADLANDS OF AMERICA.
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EACH MULTICOLORED RIBBON OF LAND
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TELLS OF A TIME
FAR BEFORE OURS--
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75 MILLION YEARS OF HISTORY
BUILT UP LAYER BY LAYER.
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♪
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BUT THE ELEMENTS HAVE NO RESPECT
FOR THE PAST.
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THE FORCES OF WIND AND WATER
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SAVAGE THE LAND
INTO EVER STRANGER SHAPES.
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[THUNDER]
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IT IS A BLASTED,
WATER-WHIPPED WORLD.
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00:00:51,718 --> 00:00:56,489
AT FIRST GLANCE,
ALL SEEMS RAVAGED AND BARREN,
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A HOSTILE PLACE TO LIVE.
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BUT IN BETWEEN
TOWERING PINNACLES,
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THE ELEMENTS HAVE CARVED OUT
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RICH GRASSLAND ARENAS
FULL OF LIFE.
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♪
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THIS CAST OF CHARACTERS SHAPES
THE LAND, TOO, IN ITS OWN WAY,
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BUT WHILE
THIS EXTRAORDINARY LANDSCAPE
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CHANGES SLOWLY OVER TIME,
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THEY MUST MOVE FAST.
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SPRING AND SUMMER
NEED TO BE SPENT WISELY
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BECAUSE NEITHER WILL LAST.
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♪
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♪
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LATE WINTER IN THE BADLANDS.
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TEMPERATURES NUDGE
JUST ABOVE FREEZING.
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COULD THIS BE
THE ARRIVAL OF SPRING?
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BLACK-TAILED PRAIRIE DOGS STIR
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FROM THE SHELTER
OF THEIR UNDERGROUND BURROWS
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TO ENJOY THE NEW HINT OF WARMTH.
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THOUSANDS OF TINY TUNNELERS
LIVE IN THIS PRAIRIE-DOG TOWN.
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MOST OF THEM ARE RELATED,
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BUT EACH, TOO, HAS A FAMILY
OF ITS OWN, CALLED A COTERIE,
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AND A SET OF BURROWS
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IN WHICH THEY HUNKER DOWN
TOGETHER AT NIGHT.
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AT THIS TIME OF YEAR, THOUGH,
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THEY AREN’T JUST USED
FOR SLEEPING.
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THE MALE HEAD OF EACH FAMILY
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MOVES UNDERGROUND
WITH THE FEMALES IN HIS COTERIE.
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HIDDEN BELOW,
AWAY FROM PRYING EYES,
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THE BREEDING SEASON
IS UNDER WAY.
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FEMALES THAT HAVE ALREADY MATED
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ARE BUSY GATHERING
NEST MATERIALS.
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SISTERS, AUNTS, AND COUSINS
WORK TOGETHER.
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IT’S NORMALLY
HAPPY FAMILIES AROUND HERE.
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BUT NOT NOW.
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♪
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EACH FEMALE NEEDS
A NURSERY BURROW OF HER OWN,
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AND SHE WILL FIGHT TO GET ONE.
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IT’S SHOWDOWN IN DOG TOWN.
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♪
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[BARKING]
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♪
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[BARKING]
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THE FEMALES FURNISHED
THEIR NESTS JUST IN TIME.
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WINTER ISN’T READY
TO GIVE WAY TO SPRING.
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[WIND HOWLING]
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THE DEATH THROES OF THE SEASON
CAN BE BRUTAL.
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THE PRAIRIE DOGS
RETREAT UNDERGROUND.
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LIKE GHOSTS FROM A TIME
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WHEN TENS OF MILLIONS OF GIANTS
ROAMED ACROSS AMERICA,
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BISON PLOW
THROUGH THE SNOW ABOVE.
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♪
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THE BADLANDS
IS ONE OF THE FEW PLACES
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WHERE THESE ICONIC ANIMALS
STILL ROAM FREE.
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♪
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THEY ARE TOO HUGE
TO FIND SHELTER,
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BUT THEIR VERY SIZE,
WRAPPED IN THICK, WINTER COATS,
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PROTECTS THEM
AND ANY UNBORN YOUNG.
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♪
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THE BISON MATED IN LATE SUMMER
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SO THEIR CALVES WOULD BE BORN
IN THE SPRING.
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IF THE FEMALES GIVE BIRTH NOW,
THE YOUNG MAY FREEZE TO DEATH.
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LIFE IS A CONSTANT GAMBLE
IN A PLACE
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WHERE NIGHTTIME TEMPERATURES
CAN STAY BELOW FREEZING
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FOR FIVE MONTHS OF THE YEAR.
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♪
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THE LAKOTA NATIVE AMERICANS
KNEW OF ITS DANGERS
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AND CALLED IT MAKHOSICA--
BADLANDS.
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WHEN THIS LAND IS FROZEN,
IT’S AT ITS MOST INHOSPITABLE.
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FOOD IS NEVER MORE SCARCE
THAN NOW.
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PREGNANT PRAIRIE DOGS LEAVE
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THE SHELTER
OF THEIR UNDERGROUND BURROWS
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TO SEARCH
FOR WHAT LITTLE GRASS REMAINS.
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LIKE GRIZZLED PROSPECTORS,
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THEY SURVIVE OFF THE LAND,
BUT IT’S TOUGH GOING.
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[BARKING]
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THEY MUST RELY ON BODY FAT
BUILT UP THE PREVIOUS SUMMER
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TO KEEP THEM
AND THEIR UNBORN PUPS ALIVE.
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IF THE COLD RETREATS
AND THE GRASS RETURNS
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BY THE TIME THEIR PUPS ARE BORN,
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THEY WILL BE ABLE TO PRODUCE
RICH MILK ON WHICH TO FEED THEM.
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IF NOT, THEIR PUPS COULD STARVE.
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♪
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MOST PLANTS IN THE BADLANDS DIED
MONTHS AGO FROM FREEZING ICE,
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THEIR NUTRIENTS RETREATING
INTO THEIR ROOTS.
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BUT THE INCREASING WARMTH
OF THE SUN
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BEGINS TO TRANSFORM
THIS FROZEN WORLD.
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♪
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ICE AND SNOW FINALLY WEAKEN
THEIR GRASP ON THE LAND.
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♪
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THE MELTWATER SCULPTS AWAY
LAYERS OF LAND VIVID WITH COLOR.
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RED IRON OXIDE
AND PURPLE MANGANESE
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CUT THROUGH THE LANDSCAPE.
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♪
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HERE, THERE’S MORE THAN ONE
LITTLE HOUSE ON THE PRAIRIE,
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HUNDREDS IN FACT.
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♪
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DOWN IN DOG TOWN, PRAIRIE DOGS
USE THE SOFT, WET SOIL
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TO SHAPE THE LAND
FOR THEMSELVES.
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THEY AREN’T ALWAYS
STARTING A BURROW FROM SCRATCH.
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SOME EXCAVATIONS
ARE OVER 100 YEARS OLD,
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A PERIOD PROPERTY
THAT NEEDS JUST A LITTLE TLC.
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♪
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♪
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IN THE COMING SUMMER, THEY WILL
USE THE BURROWS FOR SHADE,
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BUT FOR NOW, THEY SHELTER
THE NEWLY BORN PUPS.
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THE YOUNG WON’T VENTURE INTO
THE OUTSIDE WORLD FOR WEEKS,
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SO KEEPING THE RANCH
IN GOOD REPAIR IS ESSENTIAL.
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[BARKING]
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[BIRD CHIRPING]
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THE FIRST BLOSSOMS
OF THE SEASON,
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CONFIRMATION
THAT SPRING IS HERE.
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THE DAYS PUSH BACK THE DARK,
AND EVENING PRIMROSES BLOOM.
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THE PRAIRIE SUNFLOWER
SEEKS OUT THE INCREASING LIGHT.
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[CHIRPS]
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THE SOUND OF THE MEADOWLARK
FILLS THE AIR
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AS TURKEY VULTURES
ARRIVE FOR THE CHANGE IN SEASON.
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00:10:06,172 --> 00:10:08,341
FOR A FEW FRANTIC MONTHS,
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AVIAN PARENTS WILL TRY TO MAKE
THE MOST OF THE LONG, WARM DAYS
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TO HUNT FOR FOOD FOR THEM
AND THEIR CHICKS.
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THE NEW ARRIVALS
HAVEN’T EVEN MATED YET,
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LET ALONE LAID
OR HATCHED THEIR EGGS.
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♪
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ONE EARLY BIRD
HAS ALREADY DONE ALL THREE--
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THE GOLDEN EAGLE.
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AS A RESIDENT, THE EAGLE GAMBLED
ON SURVIVING THE BITTER WINTER
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AND STARTED BREEDING MONTHS AGO,
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HIGH ON THE CLIFFS
OVERLOOKING DOG TOWN.
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THE GAMBLE HAS PAID OFF.
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ITS TWO CHICKS
SURVIVED THE LATE SNOWS,
143
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BUT THEY MAY NOT
SURVIVE EACH OTHER.
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THE MOTHER LOOKS ON
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WHILE HER ELDEST, LARGEST CHICK
ATTACKS THE OTHER.
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LIKE THE BIBLICAL CAIN AND ABEL,
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THE OLDER SIBLING
IS GOING TO KILL THE YOUNGER.
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IF IT SUCCEEDS, THEN
IT WILL HAVE LESS COMPETITION
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00:11:25,418 --> 00:11:28,154
FOR THE FOOD
ITS MOTHER BRINGS TO THE NEST.
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IT’S A SELFISH, BRUTAL WAY
TO ENSURE
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THAT IT GAINS THE SIZE
AND STRENGTH NEEDED
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TO GROW TO INDEPENDENCE.
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00:11:43,069 --> 00:11:44,537
FOR THE NEXT FEW WEEKS,
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THE PRAIRIE DOG PUPS WILL REMAIN
SAFELY HIDDEN UNDERGROUND
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WHILE THEIR PARENTS
SCOUT FOR TROUBLE.
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[SNIFFING]
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♪
158
00:12:02,589 --> 00:12:05,125
THE LARGE MOUNDS
AT BURROW ENTRANCES
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MAKE EXCELLENT LOOKOUT POSTS.
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00:12:08,761 --> 00:12:15,334
THE BADLANDS IS A DANGEROUS
PLACE FOR PRAIRIE DOGS.
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00:12:15,368 --> 00:12:19,672
WHILE THEY LIVE OFF THE LAND,
MANY OTHERS LIVE OFF THEM.
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[BARKING]
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00:12:27,213 --> 00:12:29,115
[HOWLING]
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00:12:32,485 --> 00:12:33,886
A COYOTE.
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[BARKING]
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00:12:42,095 --> 00:12:46,166
UNITED AGAINST THEIR ENEMY,
THE TOWN SOUNDS AN ALARM.
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00:12:46,199 --> 00:12:48,468
[BARKING]
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00:12:48,501 --> 00:12:52,605
DIFFERENT SPEEDS OF CALL
BROADCAST THE LEVEL OF DANGER--
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00:12:52,639 --> 00:12:55,208
HOW FAST A PREDATOR
IS APPROACHING,
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00:12:55,241 --> 00:12:57,410
IF IT’S ON THE ATTACK.
171
00:12:57,443 --> 00:13:03,249
[BARKING]
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00:13:03,283 --> 00:13:07,854
THE COYOTE IS STRIPPED
OF ANY ELEMENT OF SURPRISE.
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00:13:07,887 --> 00:13:12,859
[BARKING]
174
00:13:12,892 --> 00:13:14,327
[GRUNTING]
175
00:13:14,360 --> 00:13:16,529
BUT COYOTES AREN’T
THE BIGGEST OF THE ANIMALS
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00:13:16,562 --> 00:13:19,732
THAT WANDER INTO TOWN
IN SEARCH OF FOOD.
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00:13:19,766 --> 00:13:30,877
♪
178
00:13:30,910 --> 00:13:43,656
♪
179
00:13:43,690 --> 00:13:48,495
THE BISON CALVES WERE BORN
SAFELY AFTER THE SNOWS,
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00:13:48,528 --> 00:13:52,599
THEIR ARRIVAL TIMED CAREFULLY
WITH GROWTH OF FRESH NEW GRASS.
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00:13:56,969 --> 00:14:00,206
THEY’VE COME TO DOG TOWN
FOR ITS WELL-TENDED PASTURES.
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00:14:04,477 --> 00:14:06,879
[BARKING]
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00:14:06,913 --> 00:14:11,718
THESE LITTLE CRITTERS
ARE CONSTANT GARDENERS,
184
00:14:11,751 --> 00:14:13,086
CLIPPING THE GRASS SHORT
185
00:14:13,119 --> 00:14:16,122
SO PREDATORS
CAN’T SPRING AN AMBUSH,
186
00:14:16,155 --> 00:14:18,290
AND ENCOURAGING NEW GROWTH.
187
00:14:22,595 --> 00:14:24,063
THEIR BUSY BURROWING
188
00:14:24,097 --> 00:14:26,900
HAS REDISTRIBUTED MINERALS
IN THE SOIL,
189
00:14:26,933 --> 00:14:29,002
WHICH MAKES
FOR A NUTRITIOUS FEEDING GROUND
190
00:14:29,035 --> 00:14:31,304
FOR GROWING CALVES...
191
00:14:31,337 --> 00:14:37,009
♪
192
00:14:37,043 --> 00:14:41,915
...AND MOTHERS SHEDDING
THEIR WINTER COATS.
193
00:14:41,948 --> 00:14:47,587
RIGHT NOW,
THE BADLANDS IS A BOOMTOWN.
194
00:14:47,620 --> 00:14:50,256
IT’S BUSTLING WITH NEW ARRIVALS
195
00:14:50,289 --> 00:14:53,893
EAGER TO EXPLOIT, SCAVENGE,
AND STEAL WHAT THEY CAN
196
00:14:54,060 --> 00:14:56,296
FROM THE PRAIRIE DOG CLANS.
197
00:15:00,133 --> 00:15:02,602
A DRIFTER ARRIVES
FROM OUT OF TOWN.
198
00:15:06,572 --> 00:15:08,541
A BURROWING OWL.
199
00:15:08,574 --> 00:15:13,612
♪
200
00:15:13,880 --> 00:15:18,985
NOT THAT IT DOES MUCH BURROWING.
201
00:15:19,018 --> 00:15:21,954
INSTEAD OF TUNNELING OUT
A BURROW OF ITS OWN,
202
00:15:21,988 --> 00:15:25,458
IT PREFERS TO BREAK AND ENTER
203
00:15:25,558 --> 00:15:27,794
AND THEN REDECORATE.
204
00:15:27,827 --> 00:15:33,299
♪
205
00:15:33,332 --> 00:15:35,701
THIS IS BISON DUNG.
206
00:15:38,871 --> 00:15:41,874
IT’S DECORATING
OF A DIFFERENT KIND.
207
00:15:46,212 --> 00:15:48,414
AND IT ISN’T JUST BISON DUNG.
208
00:15:54,587 --> 00:15:57,290
SOME OLD COYOTE DROPPINGS, TOO,
209
00:15:57,323 --> 00:16:01,360
HELP TO ADD
A SENSE OF JE NE SAIS QUOI.
210
00:16:01,394 --> 00:16:08,601
♪
211
00:16:08,634 --> 00:16:11,704
BY SCATTERING DUNG
AROUND THE BURROW ENTRANCE,
212
00:16:11,737 --> 00:16:14,406
THE OWL LURES IN ITS PREY...
213
00:16:14,440 --> 00:16:21,480
♪
214
00:16:21,514 --> 00:16:24,484
...DUNG BEETLES
AND OTHER INSECTS.
215
00:16:24,517 --> 00:16:34,527
♪
216
00:16:34,560 --> 00:16:39,899
♪
217
00:16:39,932 --> 00:16:45,404
MORE THAN ENOUGH
FOR A BURROWING OWL
218
00:16:45,438 --> 00:16:46,873
AND A MATE.
219
00:16:46,906 --> 00:16:53,780
♪
220
00:16:53,813 --> 00:16:57,417
THERE MAY BE ANOTHER REASON
FOR THE HOME IMPROVEMENTS...
221
00:17:04,991 --> 00:17:08,061
A HUNGRY BADGER.
222
00:17:08,094 --> 00:17:10,730
DUNG COULD DISGUISE
THE SMELL OF THE OWL BURROW
223
00:17:10,763 --> 00:17:15,401
FROM THE BADGER
THAT’S SET UP HOME NEARBY.
224
00:17:15,434 --> 00:17:21,173
SHE’S LEFT HER CUB UNDERGROUND
AND IS ON THE HUNT.
225
00:17:21,207 --> 00:17:23,609
IF SHE CAN’T SNIFF OUT
AN OWL BURROW,
226
00:17:23,643 --> 00:17:26,546
THEN A PRAIRIE DOG
WILL DO JUST AS NICELY.
227
00:17:26,579 --> 00:17:30,149
[BARKING]
228
00:17:30,182 --> 00:17:32,751
PREDATORS
MUCH LARGER THAN BADGERS
229
00:17:32,785 --> 00:17:34,654
ONCE ROAMED THE BADLANDS.
230
00:17:38,658 --> 00:17:42,595
FOSSILS OF SABER-TOOTHED TIGERS
LIE EMBEDDED IN THE ROCK...
231
00:17:46,299 --> 00:17:48,468
BUT THE MULTICOLORED RIBBONS
OF LAND
232
00:17:48,501 --> 00:17:52,372
THAT THREAD THROUGH THIS EARTH
TELL OF TIMES BEFORE THEIRS.
233
00:17:57,610 --> 00:18:03,783
75 MILLION YEARS OF HISTORY
BUILT UP LAYER UPON LAYER.
234
00:18:03,816 --> 00:18:11,457
♪
235
00:18:11,490 --> 00:18:13,959
SOLIDIFIED, DEEP-SEA MUD
236
00:18:13,993 --> 00:18:17,897
FROM A TIME WHEN WATERS
ONCE BLOTTED OUT THE LIGHT.
237
00:18:18,064 --> 00:18:25,572
♪
238
00:18:25,605 --> 00:18:29,909
SEDIMENT FROM GREAT RIVERS.
239
00:18:29,942 --> 00:18:34,513
THICK ASH
FROM VOLCANIC ERUPTIONS.
240
00:18:34,547 --> 00:18:38,518
EACH AGE LAID DOWN A DIFFERENT
COLORED BAND OF ROCK,
241
00:18:38,551 --> 00:18:42,622
A LANDSCAPE DEPOSITED
INTO EXISTENCE BIT BY BIT.
242
00:18:46,258 --> 00:18:52,197
BUT HALF A MILLION YEARS AGO,
CREATION TURNED TO DESTRUCTION.
243
00:18:52,231 --> 00:18:56,902
RIVERS AND RAIN BEGAN TO SCULPT
THE SOFT BANDS OF EARTH,
244
00:18:56,936 --> 00:19:01,908
REVEALING LAYERS OF HISTORY
BURIED IN THE MUD.
245
00:19:01,941 --> 00:19:05,778
THE DELICATE SKELETON
OF ANCIENT WORLDS REMAINS.
246
00:19:05,811 --> 00:19:11,250
♪
247
00:19:11,450 --> 00:19:13,752
CONSTANTLY ERODED
BY THE ELEMENTS,
248
00:19:13,786 --> 00:19:17,189
IT’S THOUGHT THAT
IN ANOTHER 500,000 YEARS,
249
00:19:17,223 --> 00:19:19,192
THE BADLANDS WILL BE GONE.
250
00:19:25,798 --> 00:19:27,767
[BIRDS CHIRPING]
251
00:19:27,800 --> 00:19:34,173
[WIND BLOWING]
252
00:19:34,206 --> 00:19:38,877
A CERTAIN SIGN
THAT SUMMER IS HERE--
253
00:19:38,911 --> 00:19:41,480
THE ARRIVAL OF CLIFF SWALLOWS.
254
00:19:41,514 --> 00:19:51,257
♪
255
00:19:51,290 --> 00:19:54,560
THEY’VE TRAVELLED THOUSANDS
OF MILES FROM SOUTH AMERICA
256
00:19:54,593 --> 00:19:57,763
IN ORDER TO MAKE THE MOST
OF THE INSECTS HERE
257
00:19:57,797 --> 00:20:01,100
AND THE LONG, SUMMER DAYS
IN WHICH TO CATCH THEM.
258
00:20:01,133 --> 00:20:07,539
[CHIRPING]
259
00:20:07,573 --> 00:20:11,677
LAST YEAR’S NESTS SAVE THEM
THE WORK OF REBUILDING.
260
00:20:11,844 --> 00:20:16,649
♪
261
00:20:16,682 --> 00:20:20,052
BUT THERE’S A PROBLEM.
THEY’RE ALREADY OCCUPIED.
262
00:20:22,922 --> 00:20:28,127
THESE INSECTS AREN’T FOOD
FOR THE SWALLOWS.
263
00:20:28,160 --> 00:20:32,064
THE SWALLOWS ARE FOOD FOR THEM.
264
00:20:32,098 --> 00:20:36,302
BLOOD-SUCKING PARASITES
KNOWN AS SWALLOW BUGS,
265
00:20:36,335 --> 00:20:40,506
THEY MASS ON NEST ENTRANCES,
WAITING TO FEED.
266
00:20:40,539 --> 00:20:42,708
[CHIRPING]
267
00:20:42,742 --> 00:20:44,711
THE SWALLOWS
CAN’T TAKE THE RISK.
268
00:20:47,747 --> 00:20:53,019
THEY NEED TO REBUILD AN ENTIRE
NEST COLONY FROM SCRATCH,
269
00:20:53,052 --> 00:20:57,557
A HUGE AMOUNT OF WORK.
270
00:20:57,590 --> 00:21:02,128
THEY MUST FIND A NEW SITE
AND BUILD NEW NESTS, AND FAST,
271
00:21:02,161 --> 00:21:04,430
BECAUSE SUMMER WILL BE SHORT.
272
00:21:04,463 --> 00:21:08,367
[CHIRPING]
273
00:21:08,400 --> 00:21:11,703
BUT THEY CAN’T DO ANYTHING
WITHOUT MUD,
274
00:21:11,737 --> 00:21:15,941
AND FOR THAT,
THEY NEED A BIT OF RAIN.
275
00:21:15,975 --> 00:21:19,145
[THUNDER]
276
00:21:19,178 --> 00:21:21,380
THEY MIGHT NOT HAVE LONG
TO WAIT.
277
00:21:30,489 --> 00:21:33,225
IN THE BRIEF DARKNESS
OF A SUMMER’S NIGHT,
278
00:21:33,259 --> 00:21:36,095
A NOCTURNAL COURTSHIP BEGINS.
279
00:21:36,128 --> 00:21:42,434
♪
280
00:21:42,468 --> 00:21:46,872
THESE SILENT SPARKS OF LIGHT
ARE FIREFLIES.
281
00:21:46,906 --> 00:21:57,884
♪
282
00:21:57,917 --> 00:22:07,326
♪
283
00:22:07,359 --> 00:22:09,828
WHILE MUCH OF DOG TOWN SLEEPS,
284
00:22:09,862 --> 00:22:15,000
THEIR MATING DANCE
BESPANGLES THE SKY.
285
00:22:15,034 --> 00:22:16,435
[THUNDER]
286
00:22:16,468 --> 00:22:20,939
BUT THE SKY ITSELF
IS NOT TO BE OUTDONE.
287
00:22:20,973 --> 00:22:23,542
IT STAGES
A LIGHT SHOW OF ITS OWN.
288
00:22:23,576 --> 00:22:25,745
[THUNDER]
289
00:22:25,778 --> 00:22:38,924
♪
290
00:22:38,958 --> 00:22:50,036
[THUNDER]
291
00:22:50,069 --> 00:23:03,182
[THUNDER]
292
00:23:03,215 --> 00:23:07,086
THE NIGHT STORM PASSES WITHOUT
RELEASING A SINGLE DROP OF RAIN.
293
00:23:11,724 --> 00:23:13,259
THE CLOUDS CLEAR,
294
00:23:13,292 --> 00:23:17,463
REVEALING THE STARS
IN ALL THEIR SHINING GLORY.
295
00:23:17,496 --> 00:23:28,474
♪
296
00:23:28,507 --> 00:23:40,486
♪
297
00:23:40,519 --> 00:23:55,067
♪
298
00:23:55,100 --> 00:23:59,938
THE SUMMER SUN
BEGINS TO HEAT THE LAND.
299
00:23:59,972 --> 00:24:02,908
THE BURROWING OWLS
MUST SPEND THEIR TIME WISELY...
300
00:24:07,413 --> 00:24:09,081
[SCREECHES]
301
00:24:09,114 --> 00:24:14,753
...IF THEIR CHICKS ARE TO HATCH
WHEN INSECT-LIFE IS BUSIEST,
302
00:24:14,787 --> 00:24:20,259
AND FLEDGE IN TIME TO MAKE
THE WINTER JOURNEY SOUTH.
303
00:24:20,292 --> 00:24:23,695
PICKING THE RIGHT TIME TO MATE
IS A BIT OF A BALANCING ACT.
304
00:24:30,602 --> 00:24:32,304
THERE ARE OTHERS
WHO HAVE GIVEN THEIR YOUNG
305
00:24:32,338 --> 00:24:34,440
A FAR GREATER HEAD START
TO SUMMER.
306
00:24:38,944 --> 00:24:43,582
AND DOG TOWN
IS ABOUT TO GET REAL BUSY.
307
00:24:43,615 --> 00:24:45,784
[BARKING]
308
00:24:45,818 --> 00:24:47,953
AFTER SIX WEEKS UNDERGROUND,
309
00:24:47,987 --> 00:24:50,556
THE PUPS FINALLY
MAKE THEIR ENTRANCE.
310
00:24:50,589 --> 00:24:57,296
[BARKING]
311
00:24:57,329 --> 00:25:00,232
THEY’VE BEEN NURSED ON MILK
TILL NOW,
312
00:25:00,265 --> 00:25:02,868
AND IT’S TIME THEY LEARNED
TO FEED THEMSELVES.
313
00:25:02,901 --> 00:25:13,678
♪
314
00:25:13,712 --> 00:25:17,216
AFTER SO LONG IN A BURROW,
THIS MUST FEEL GOOD.
315
00:25:20,285 --> 00:25:23,121
[BARKING]
316
00:25:23,155 --> 00:25:26,091
THE PUPS NEED TO GROW FAST
IF THEY ARE TO BE PLUMP ENOUGH
317
00:25:26,125 --> 00:25:29,161
TO SURVIVE
THEIR FIRST WINTER FREEZE...
318
00:25:32,097 --> 00:25:34,232
BUT THAT’S WEEKS OFF.
319
00:25:34,266 --> 00:25:40,005
THERE ARE MORE IMMINENT DANGERS
THAT MAY HAVE TO BE FACED.
320
00:25:40,039 --> 00:25:45,344
THERE’S A HIDDEN ENEMY LURKING
IN THE GRASSLANDS--
321
00:25:45,377 --> 00:25:48,280
PLAGUE.
322
00:25:48,313 --> 00:25:51,750
IT’S CARRIED BY AN ALMOST
INVISIBLE ARMY OF FLEAS
323
00:25:51,784 --> 00:25:55,354
THAT FEED ON PRAIRIE DOG BLOOD.
324
00:25:55,387 --> 00:25:58,557
IT HASN’T REACHED
THIS DOG TOWN YET,
325
00:25:58,590 --> 00:26:01,259
BUT IF IT DOES,
IT COULD WIPE OUT
326
00:26:01,293 --> 00:26:04,329
NOT JUST THE YOUNG,
BUT THE ENTIRE TOWN,
327
00:26:04,363 --> 00:26:06,966
IN LESS THAN TWO WEEKS.
328
00:26:11,236 --> 00:26:17,976
HIGH ABOVE DOG TOWN,
OUR GOLDEN EAGLE NEST IS EMPTY.
329
00:26:18,010 --> 00:26:22,781
THE CHICK HAS KILLED ITS SIBLING
AND FLEDGED
330
00:26:22,815 --> 00:26:28,487
BUT VENTURED ONLY AS FAR
AS A NEARBY RIDGE.
331
00:26:28,720 --> 00:26:33,491
FOR WEEKS, IT’S GORGED
ON ENOUGH FOOD FOR TWO CHICKS.
332
00:26:33,525 --> 00:26:35,727
NOW, BUILDING UP
ITS WING MUSCLES,
333
00:26:35,761 --> 00:26:40,799
IT TRAINS FOR FLIGHT.
334
00:26:40,833 --> 00:26:42,568
IT NEEDS TO MAKE THE LEAP SOON
335
00:26:42,601 --> 00:26:45,938
IF IT’S TO MAKE THE MOST
OF THE PRAIRIE DOG PUPS,
336
00:26:45,971 --> 00:26:47,739
BUT IT’S POISED
TO BE A NEW THREAT
337
00:26:47,773 --> 00:26:51,010
IN THE SKIES ABOVE THE BADLANDS.
338
00:26:51,043 --> 00:26:56,048
♪
339
00:26:56,081 --> 00:26:59,251
THERE IS A NATIVE AMERICAN GOD
KNOWN AS WAKINYAN...
340
00:26:59,284 --> 00:27:01,953
[THUNDER]
341
00:27:01,987 --> 00:27:04,923
AN EAGLE-LIKE BIRD
THAT INHABITS MOUNTAIN PEAKS
342
00:27:04,957 --> 00:27:06,926
HIGH ABOVE ITS HUNTING GROUND.
343
00:27:10,462 --> 00:27:16,234
WHEN IT BEATS ITS WINGS,
THE WINDS COME.
344
00:27:16,268 --> 00:27:19,772
WHEN IT SPEAKS,
IT HAS THE VOICE OF THUNDER.
345
00:27:19,805 --> 00:27:22,274
[THUNDER]
346
00:27:22,307 --> 00:27:25,010
FROM ITS EYES COMES LIGHTNING.
347
00:27:25,043 --> 00:27:34,553
[THUNDER]
348
00:27:34,586 --> 00:27:37,989
FROM ITS FEATHERS FALLS RAIN.
349
00:27:38,023 --> 00:27:48,033
♪
350
00:27:48,066 --> 00:27:53,939
♪
351
00:27:53,972 --> 00:28:08,587
♪
352
00:28:08,620 --> 00:28:12,624
THIS TIME,
THE STORM DOESN’T DISAPPOINT.
353
00:28:12,658 --> 00:28:17,563
♪
354
00:28:17,596 --> 00:28:19,598
IT’S THE MOMENT
THE CLIFF SWALLOWS
355
00:28:19,631 --> 00:28:20,799
HAVE BEEN WAITING FOR.
356
00:28:23,602 --> 00:28:27,206
THE RAIN HAS CHANGED
THE SHAPE OF THE BADLANDS.
357
00:28:27,239 --> 00:28:29,708
NOW THE SWALLOWS
CAN USE THE SOFTENED MUD
358
00:28:29,741 --> 00:28:33,378
TO MAKE CHANGES OF THEIR OWN.
359
00:28:33,412 --> 00:28:36,482
IT’S NEST-BUILDING TIME.
360
00:28:36,515 --> 00:28:42,888
USING FRESH MUD,
THEY BEGIN TO MOLD NEW HOMES.
361
00:28:42,921 --> 00:28:45,690
PELLET BY PELLET,
THEY BUILD UP THE WALLS,
362
00:28:45,724 --> 00:28:51,396
WHICH QUICKLY DRY
IN THE BAKING SUN.
363
00:28:51,430 --> 00:28:53,933
THEY SHAKE THE MUD
TO REMOVE ANY AIR
364
00:28:53,966 --> 00:28:57,570
AND ENSURE FEWER CRACKS
ONCE IT DRIES.
365
00:28:57,603 --> 00:29:02,508
♪
366
00:29:02,541 --> 00:29:06,245
IT COULD TAKE OVER
1,000 BEAKFULS TO MAKE A HOME
367
00:29:06,278 --> 00:29:08,347
AND SEVERAL DAYS.
368
00:29:08,380 --> 00:29:11,049
[CHIRPING]
369
00:29:11,083 --> 00:29:15,087
BUT EACH ONE IS BUG-FREE
AND READY TO BREED IN.
370
00:29:15,120 --> 00:29:18,423
[CHIRPING]
371
00:29:20,659 --> 00:29:23,028
FOR THE FEW BRIEF
MONTHS OF SUMMER,
372
00:29:23,061 --> 00:29:25,163
THE BADLANDS
ARE RICH WITH PROVISIONS
373
00:29:25,197 --> 00:29:27,599
FOR THOSE WHO KNOW
WHERE TO LOOK.
374
00:29:35,907 --> 00:29:39,244
THE RESIDENT BADGER LEAVES HER
CUB IN THE SAFETY OF ITS BURROW
375
00:29:39,278 --> 00:29:40,980
WHILE SHE GOES OUT TO HUNT.
376
00:29:41,013 --> 00:29:45,384
[BARKING]
377
00:29:45,417 --> 00:29:52,124
A MOTHER SOUNDS THE ALARM,
AND HER OFFSPRING RUN FOR COVER.
378
00:29:52,157 --> 00:30:01,099
[BARKING]
379
00:30:01,133 --> 00:30:04,570
THE BADGER’S TOO BIG TO FIT
IN A PRAIRIE DOG BURROW...
380
00:30:09,207 --> 00:30:11,576
BUT SHE CAN DIG.
381
00:30:11,610 --> 00:30:19,952
[BARKING]
382
00:30:19,985 --> 00:30:21,954
THE DEEPER THE BURROW, HOWEVER,
383
00:30:21,987 --> 00:30:25,224
THE HARDER IT IS
FOR HER TO DIG OUT HER PREY.
384
00:30:25,257 --> 00:30:30,062
[BARKING]
385
00:30:30,095 --> 00:30:33,231
THIS ONE IS MORE THAN
THREE FEET UNDERGROUND.
386
00:30:33,265 --> 00:30:38,971
[BARKING]
387
00:30:39,004 --> 00:30:40,439
TOO DEEP.
388
00:30:47,479 --> 00:30:49,948
TIME FOR A DIFFERENT TACTIC.
389
00:30:49,981 --> 00:31:00,825
♪
390
00:31:00,859 --> 00:31:02,661
SHE MUST REMAIN UNNOTICED
391
00:31:02,694 --> 00:31:05,864
IF SHE IS TO CATCH A PRAIRIE DOG
ABOVEGROUND.
392
00:31:05,897 --> 00:31:16,875
♪
393
00:31:16,908 --> 00:31:29,020
[BARKING]
394
00:31:29,054 --> 00:31:40,265
♪
395
00:31:40,298 --> 00:31:44,435
HER THREE-MONTH-OLD CUB
WAITS TO BE FED.
396
00:31:44,469 --> 00:31:51,242
THIS PRAIRIE DOG WILL FEED THEM
BOTH FOR TODAY, AT LEAST.
397
00:31:51,276 --> 00:31:52,644
IF HER CUB
IS TO GROW STRONG ENOUGH
398
00:31:52,778 --> 00:31:55,781
TO SURVIVE
THE APPROACHING WINTER,
399
00:31:55,814 --> 00:31:58,684
THEN SHE WILL NEED TO HUNT
FOR PLENTY MORE.
400
00:31:58,717 --> 00:32:04,122
♪
401
00:32:04,156 --> 00:32:07,426
[CRUNCHING]
402
00:32:07,459 --> 00:32:09,895
AS FOR ALL PARENTS HERE,
403
00:32:09,928 --> 00:32:13,098
THE BATTLE TO KEEP
THEIR OFFSPRING ALIVE
404
00:32:13,131 --> 00:32:16,034
MEANS MAKING THE MOST
OF SUMMER’S RICHES.
405
00:32:22,107 --> 00:32:24,810
OUR CLIFF SWALLOWS
USE THE LONG DAYLIGHT HOURS
406
00:32:24,843 --> 00:32:27,579
TO CATCH INSECTS
FOR THEIR NEWLY HATCHED YOUNG...
407
00:32:32,083 --> 00:32:34,285
WHILE DOWN ON THE PRAIRIE,
408
00:32:34,319 --> 00:32:37,322
A VERY DIFFERENT BIRD
RAISES YOUNG OF HER OWN.
409
00:32:41,927 --> 00:32:43,896
FOR WEEKS, THE BURROWING OWLS
410
00:32:43,929 --> 00:32:46,632
HAVE INCUBATED AND FED
THEIR CHICKS UNDERGROUND.
411
00:32:47,732 --> 00:32:48,566
[CHIRP]
412
00:32:50,602 --> 00:32:54,172
THE TIME HAS COME TO LURE THEM
INTO THE LIGHT.
413
00:32:54,206 --> 00:33:00,946
♪
414
00:33:00,979 --> 00:33:07,953
THE ODDBALLS ARE DIFFERENT
TO MOST OTHER OWLS.
415
00:33:07,986 --> 00:33:12,624
THEY WILL LEARN TO HUNT BY DAY
416
00:33:12,657 --> 00:33:18,296
AND SPEND MUCH OF THEIR TIME
ON THE GROUND.
417
00:33:18,330 --> 00:33:21,533
FROM THE DARK OF THE BURROW,
THE CHICKS EMERGE ONE BY ONE
418
00:33:21,566 --> 00:33:24,536
UNTIL ALL THE BROOD
IS ON THE SURFACE.
419
00:33:24,569 --> 00:33:31,643
♪
420
00:33:31,676 --> 00:33:34,312
[CHIRPING]
421
00:33:34,346 --> 00:33:36,415
A MAGNIFICENT SEVEN.
422
00:33:40,619 --> 00:33:45,057
HOWDY OWLS IS WHAT COWBOYS USED
TO CALL THESE LITTLE FELLOWS...
423
00:33:45,090 --> 00:33:46,658
[SQUAWKING]
424
00:33:46,691 --> 00:33:51,396
BECAUSE THEY SEEMED TO NOD HELLO
AS THE MEN RODE PAST.
425
00:33:51,429 --> 00:33:54,332
THEY ARE CERTAINLY
A STRANGE SIGHT.
426
00:33:54,366 --> 00:33:55,868
[CLUCKING]
427
00:33:55,901 --> 00:33:58,504
LONG-LEGGED BALLS OF FLUFF
428
00:33:58,537 --> 00:34:01,407
THAT LEARN TO RUN
BEFORE THEY CAN FLY.
429
00:34:09,147 --> 00:34:15,220
THEIR NEIGHBORS, TOO,
ARE HAVING A FEW LIFE LESSONS,
430
00:34:15,253 --> 00:34:18,323
LEARNING HOW TO GET ALONG
IN DOG TOWN.
431
00:34:18,356 --> 00:34:26,965
♪
432
00:34:26,998 --> 00:34:33,838
ALL THE PUPS IN THE FAMILY
JOIN TOGETHER TO PLAY.
433
00:34:33,872 --> 00:34:35,507
WITHIN A COUPLE OF YEARS,
434
00:34:35,540 --> 00:34:37,575
THE FEMALES
WILL BE FIGHTING THEIR SISTERS
435
00:34:37,609 --> 00:34:39,311
FOR NURSERY BURROWS.
436
00:34:42,914 --> 00:34:44,682
AND THE MALES
WILL HAVE ALREADY LEFT
437
00:34:44,716 --> 00:34:47,052
TO START FAMILIES OF THEIR OWN.
438
00:34:47,085 --> 00:34:52,991
♪
439
00:34:53,024 --> 00:34:57,228
BUT FOR NOW,
THE FIGHTING IS JUST PLAY,
440
00:34:57,262 --> 00:35:00,665
AND THE NEIGHBORHOOD
IS ONE GIANT CRECHE.
441
00:35:00,699 --> 00:35:03,468
[CHATTERING]
442
00:35:03,501 --> 00:35:11,342
♪
443
00:35:15,814 --> 00:35:18,884
LATE EVENING, AND MOST
OF THE TOWN IS SLEEPING.
444
00:35:23,288 --> 00:35:26,892
THE AIR IS FREE
FROM THE CALLS OF PRAIRIE DOGS.
445
00:35:26,925 --> 00:35:31,763
♪
446
00:35:31,796 --> 00:35:35,867
BUT SILENCE
DOESN’T ALWAYS MEAN PEACE.
447
00:35:35,900 --> 00:35:44,909
♪
448
00:35:44,943 --> 00:35:50,482
A BLACK-FOOTED FERRET
IS ON THE HUNT.
449
00:35:50,515 --> 00:35:54,252
TO SEE ONE OF THESE CRITTERS
IS INCREDIBLY RARE.
450
00:35:54,285 --> 00:35:58,456
IT’S ONE OF THE MOST ENDANGERED
MAMMALS IN NORTH AMERICA.
451
00:35:58,490 --> 00:36:02,961
♪
452
00:36:02,994 --> 00:36:09,367
NUMBERS WERE ONCE SO LOW,
IT WAS THOUGHT EXTINCT.
453
00:36:09,401 --> 00:36:12,137
PLAGUE HIT IT HARD,
454
00:36:12,170 --> 00:36:14,973
BUT IT WAS IN TROUBLE
WAY BEFORE THAT,
455
00:36:15,006 --> 00:36:20,378
AS POPULATIONS OF ITS MAIN
SOURCE OF PREY PLUMMETED--
456
00:36:20,412 --> 00:36:22,547
PRAIRIE DOGS.
457
00:36:22,580 --> 00:36:30,621
♪
458
00:36:30,655 --> 00:36:36,261
WITH EYE-PATCHES LIKE A BANDIT,
IT LAUNCHES A RAID ON DOG TOWN.
459
00:36:36,294 --> 00:36:42,867
♪
460
00:36:42,901 --> 00:36:47,739
USING THE COVER OF DARKNESS,
IT SNEAKS INTO A BURROW.
461
00:36:47,772 --> 00:36:49,974
IT’S THE PERFECT FIT.
462
00:36:50,008 --> 00:36:58,350
♪
463
00:36:58,383 --> 00:37:02,754
IT WILL FEED
ON OVER 100 PRAIRIE DOGS A YEAR,
464
00:37:02,787 --> 00:37:08,226
AS LONG AS THERE ARE HUNDREDS
OF PRAIRIE DOGS IN DOG TOWN.
465
00:37:08,259 --> 00:37:13,765
♪
466
00:37:20,905 --> 00:37:27,812
♪
467
00:37:27,846 --> 00:37:32,784
[THUNDER]
468
00:37:32,817 --> 00:37:34,352
THE NEXT MORNING,
469
00:37:34,385 --> 00:37:40,224
A DISTANT THUNDER
RUMBLES ACROSS THE PRAIRIE,
470
00:37:40,258 --> 00:37:42,994
BUT THERE WILL BE NO RAIN.
471
00:37:43,027 --> 00:37:47,431
♪
472
00:37:47,465 --> 00:37:54,272
IT’S THE SOUND OF A HERD
OF BISON MOVING INTO DOG TOWN.
473
00:37:54,305 --> 00:37:56,240
THERE’S SOMETHING HERE
THEY NEED.
474
00:37:59,377 --> 00:38:04,382
FOR ONCE, IT’S NOT GRASS.
475
00:38:04,415 --> 00:38:09,854
AT THIS TIME OF YEAR, THE GIANTS
ARE ITCHY WITH INSECTS.
476
00:38:09,888 --> 00:38:13,325
THE TINY TUNNELERS
CAN PROVIDE RELIEF.
477
00:38:13,358 --> 00:38:19,598
♪
478
00:38:19,631 --> 00:38:22,534
A BY-PRODUCT
OF THEIR BURROWING UNDERGROUND
479
00:38:22,567 --> 00:38:26,871
NOW LIES SPREAD
ACROSS THE SURFACE--DUST.
480
00:38:26,905 --> 00:38:35,447
♪
481
00:38:35,480 --> 00:38:38,950
A DUST BATH
CAN SHAKE OFF UNWANTED PESTS
482
00:38:38,983 --> 00:38:41,352
AND GIVE A GOOD SCRATCH.
483
00:38:41,386 --> 00:38:46,258
♪
484
00:38:46,291 --> 00:38:49,795
TIME TO ROCK AND ROLL
IN DOG TOWN.
485
00:38:49,828 --> 00:39:00,839
♪
486
00:39:00,872 --> 00:39:10,882
♪
487
00:39:10,915 --> 00:39:16,788
♪
488
00:39:16,821 --> 00:39:28,099
♪
489
00:39:28,299 --> 00:39:32,970
MANY OF THE BADLANDERS
RELY UPON THESE LITTLE CRITTERS,
490
00:39:33,004 --> 00:39:38,843
LIKE THE PRONGHORN, DRAWN
TO FEED ON THE GRASS THEY TEND.
491
00:39:38,877 --> 00:39:41,880
THEY MIGHT BE SMALL,
JUST THREE POUNDS AT MOST,
492
00:39:41,913 --> 00:39:43,648
BUT THE PRAIRIE DOGS
ARE HEAVY HITTERS
493
00:39:43,681 --> 00:39:49,220
WHEN IT COMES TO PROVIDING
A WAY OF LIFE IN THE BADLANDS.
494
00:39:49,254 --> 00:39:54,926
WITHOUT THEM, MANY ANIMALS WOULD
HAVE A HARD TIME SURVIVING.
495
00:39:54,959 --> 00:40:03,067
♪
496
00:40:03,101 --> 00:40:09,274
THE HEAT OF THE SUMMER
CONTINUES TO RISE.
497
00:40:09,307 --> 00:40:12,644
IT’S OVER 100 DEGREES
FAHRENHEIT.
498
00:40:12,677 --> 00:40:17,482
♪
499
00:40:17,515 --> 00:40:21,452
IT’S HARD TO IMAGINE THESE
SUN-BAKED, WATER-PARCHED LANDS
500
00:40:21,486 --> 00:40:23,888
COVERED IN SNOW AND ICE.
501
00:40:28,192 --> 00:40:30,461
BUT FOR THE ANIMALS
OF THE BADLANDS,
502
00:40:30,495 --> 00:40:35,500
THE BATTLE TO BEAT WINTER
IS WELL UNDER WAY.
503
00:40:35,533 --> 00:40:39,937
THE CLIFF SWALLOWS
HEAD UP AND MOVE OUT.
504
00:40:39,971 --> 00:40:43,842
THEIRS IS
A LONG MIGRATION SOUTH.
505
00:40:43,875 --> 00:40:47,312
THEY MUST LEAVE WHILE THE SUN
IS STILL HIGH IN THE SKY.
506
00:40:51,115 --> 00:40:53,985
MALE BISON PREPARE FOR THE RUT.
507
00:40:54,018 --> 00:41:03,160
[BELLOWING]
508
00:41:03,194 --> 00:41:06,798
THEY TASTE THE AIR
FOR SIGNS OF A WILLING FEMALE...
509
00:41:06,831 --> 00:41:09,434
[BELLOWING]
510
00:41:09,467 --> 00:41:14,272
...AND FIGHT
FOR THE RIGHT TO MATE.
511
00:41:14,305 --> 00:41:18,609
[BELLOWING]
512
00:41:18,643 --> 00:41:30,588
♪
513
00:41:30,621 --> 00:41:40,931
♪
514
00:41:40,965 --> 00:41:50,975
♪
515
00:41:51,009 --> 00:41:56,948
♪
516
00:41:56,981 --> 00:41:59,450
INJURIES ARE BRUTAL,
517
00:41:59,484 --> 00:42:03,188
AND THERE ISN’T MUCH TIME
TO HEAL BEFORE THE COLD SETS IN.
518
00:42:10,194 --> 00:42:25,076
♪
519
00:42:25,109 --> 00:42:31,482
[BIRDS CHIRPING]
520
00:42:31,516 --> 00:42:33,752
THE FINAL DAYS OF SUMMER.
521
00:42:33,785 --> 00:42:38,590
♪
522
00:42:38,623 --> 00:42:42,527
TIME TO MAKE THE MOST
OF THE END OF SEASON GRASS.
523
00:42:42,560 --> 00:42:48,066
♪
524
00:42:48,099 --> 00:42:51,302
[BARKING]
525
00:42:51,335 --> 00:42:54,638
TIME TO STOCK UP
FOR THE ICY WINTER AHEAD.
526
00:42:54,672 --> 00:42:59,644
♪
527
00:42:59,677 --> 00:43:01,279
THE PRAIRIE DOGS
528
00:43:01,312 --> 00:43:03,981
AND THE ANIMALS THAT LIVE OFF
THEM AND THEIR LAND
529
00:43:04,015 --> 00:43:05,984
HAVE SURVIVED ANOTHER YEAR.
530
00:43:09,020 --> 00:43:12,190
INDUSTRIOUS PARENTS
HAVE TAKEN GREAT RISKS
531
00:43:12,223 --> 00:43:15,727
TO GIVE THEIR YOUNG
A GOOD START IN LIFE.
532
00:43:15,760 --> 00:43:28,539
♪
533
00:43:28,573 --> 00:43:31,076
SOON, THE ANIMALS THAT STAY
534
00:43:31,109 --> 00:43:35,046
WILL HAVE TO FIND WHAT SHELTER
THEY CAN FROM THE COLD,
535
00:43:35,079 --> 00:43:37,481
WHILE SUMMER VISITORS
DRIFT AWAY.
536
00:43:40,384 --> 00:43:43,320
THE BOOMTOWN
WILL BE A GHOST TOWN...
537
00:43:43,354 --> 00:43:48,359
♪
538
00:43:48,392 --> 00:43:50,828
...AT LEAST UNTIL
THE SPRING SUNSHINE
539
00:43:50,862 --> 00:43:53,665
RETURNS TO THE BADLANDS AGAIN.
38260
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