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HI. I’M BILL PULLMAN.
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AS PART OF A RANCH FAMILY,
3
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I KNOW THAT WATER IS PRECIOUS
\h\h\h\h\h\h\hHERE IN MONTANA.\n
4
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IT’S THE LIFEBLOOD OF THE WEST.
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\h\hMOST OF AMERICA’S GREAT\NWATERWAYS HAVE BEEN DAMMED,\n
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BUT THE YELLOWSTONE RIVER
\h\h\h\h\hIS AN EXCEPTION.\n
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IT FLOWS FREE FOR THE ENTIRE
\h\h\hLENGTH OF ITS JOURNEY.\n
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BUT IT CAN ALSO BE
A PLACE OF PERIL.
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\h\h\hIN THIS CHAPTER\NOF "EPIC YELLOWSTONE,"\n
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YOU’RE GOING TO SEE TWO MOTHERS,
A GRIZZLY AND A BISON,
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EACH WITH THE CHALLENGE
\hOF GETTING THEIR YOUNG\n
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ACROSS THE RAGING RIVER.
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BOTH HAVE FIERCE DETERMINATION,
AND BOTH FACE UNCERTAIN ENDINGS.
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I HOPE YOU ENJOY THE JOURNEY
\h\h\h\hDOWN THE RIVER WILD.\n
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IT’S AMONG THE LAST
\h\h\hOF ITS KIND--\n
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A MIGHTY RIVER STILL WILD.
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♪
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\h\h\h\hIT FLOWS FROM THE HEART\NOF YELLOWSTONE NATIONAL PARK...\n
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\h\h\h\h\hAND CARVES THROUGH THE\NMOUNTAINS OF THE AMERICAN WEST.\n
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♪
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\h\hTHIS IS THE STORY OF A RIVER\NMOVING AS FEW RIVERS STILL DO...\n
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UNDAMMED...
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UNTAMED,
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OF RAGING WATERS THAT GIVE...
25
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AND TAKE.
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♪
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THIS IS A JOURNEY FROM THE PEAKS
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TO THE PLAINS,
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WHERE ANCIENT LANDS WELCOME
CREATURES FROM ANOTHER TIME.
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[THUNDER]
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THIS IS THE YELLOWSTONE RIVER,
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UNLEASHED AND FREE.
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♪
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THE PEAKS OF THE WORLD’S
\h\hFIRST NATIONAL PARK\n
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FEED THE LARGEST HIGH ELEVATION
BODY OF WATER IN NORTH AMERICA,
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YELLOWSTONE LAKE.
37
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[TRUMPETING]
38
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\hITS SHORE CIRCLES\NMORE THAN 100 MILES.\n
39
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ITS DEPTHS PLUNGE
\hNEARLY 400 FEET.\n
40
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THIS GIANT NATURAL RESERVOIR
\h\h\hHAS ONLY ONE OUTLET...\n
41
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[TRUMPETING]
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THE MIGHTY YELLOWSTONE RIVER.
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BUT ON THIS JANUARY DAY,
44
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\hTHE RIVER’S EXIT\NIS LOCKED IN ICE,\n
45
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REDUCED TO A FEW STEAMING POOLS,
46
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CRITICAL REFUGE FOR A SPECIES
\hTHAT ONCE FACED EXTINCTION.\n
47
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[TRUMPETING]
48
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NEARLY ALL THE TRUMPETER SWANS
\h\h\h\hIN THE ROCKY MOUNTAINS\n
49
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MIGRATE HERE EACH WINTER.
50
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\h\h\hTHEY FLOCK TO OPEN WATER\NHEATED BY GEOTHERMAL SPRINGS.\n
51
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BUT EVEN IN THIS SANCTUARY,
\h\h\hSAFETY IS NOT A GIVEN.\n
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[TRUMPETING]
53
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♪
54
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\hTHE WORLD’S LARGEST WATERFOWL\NHAVE ATTRACTED A HUNGRY COYOTE.\n
55
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[TRUMPETING]
56
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HUNTING ON THE FROZEN RIVER
\h\h\h\h\h\hIS A CHALLENGE.\n
57
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THERE’S NO COVER,
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NOTHING FOR THE COYOTE
\h\h\hTO HIDE BEHIND.\n
59
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IT MUST BE PATIENT
60
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AND WAIT FOR A MISSTEP.
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♪
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00:04:54,836 --> 00:05:08,933
♪
63
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IT’S NOT EASY TO CATCH
\hTHE SWANS OFF GUARD.\n
64
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\hTHEIR CROWDED SAFE HAVEN\NIS SMALL, BUT IT’S ENOUGH.\n
65
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♪
66
00:05:26,660 --> 00:05:28,954
THOSE LINGERING FARTHER
\h\h\h\h\hFROM THE WATER\n
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WON’T BE ABLE TO MAKE
\hSUCH A QUICK ESCAPE.\n
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00:05:34,668 --> 00:05:36,086
GATHERING MOMENTUM TO LIFT
69
00:05:36,127 --> 00:05:40,506
A 20-POUND BODY INTO THE AIR
\h\h\h\h\h\h\h\hTAKES TIME,\n
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TIME THAT’S RUNNING OUT.
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♪
72
00:05:58,525 --> 00:06:01,528
[TRUMPETING]
73
00:06:01,570 --> 00:06:05,157
\hTHE COYOTE WATCHES\NITS CHANCE FLY AWAY.\n
74
00:06:05,198 --> 00:06:14,290
♪
75
00:06:14,332 --> 00:06:18,086
\h\h\hTHIS GOLDENEYE DUCK\NCAN’T ESCAPE TO THE AIR...\n
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OR RETREAT TO THE WATER.
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IT’S INJURED,
78
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JUST THE ADVANTAGE
THE COYOTE NEEDS.
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00:06:31,016 --> 00:06:35,437
♪
80
00:06:35,645 --> 00:06:37,981
[QUACKING]
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00:06:40,650 --> 00:06:43,194
[TRUMPETING]
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\h\h\h\h\h\hNOT A SWAN,\NBUT BETTER THAN NOTHING.\n
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♪
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00:07:15,435 --> 00:07:21,733
♪
85
00:07:21,775 --> 00:07:25,362
A FEW WARM FEBRUARY DAYS
\h\h\hOPEN THE CHANNEL.\n
86
00:07:25,403 --> 00:07:28,865
[TRUMPETING]
87
00:07:28,907 --> 00:07:33,537
THE SWANS HAVE ROOM TO MOVE,
88
00:07:33,578 --> 00:07:36,039
TO STRETCH THEIR WINGS.
89
00:07:36,081 --> 00:07:40,502
[TRUMPETING]
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00:07:40,543 --> 00:07:41,502
AND THE RIVER THAT GAVE
91
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YELLOWSTONE NATIONAL PARK
\h\h\h\h\h\h\h\h\hITS NAME\n
92
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FLOWS FREE.
93
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IT LEAVES THE LAKE,
\h\h\hHEADING NORTH,\n
94
00:07:56,518 --> 00:07:59,896
THE START OF A JOURNEY
TO THE MISSOURI RIVER,
95
00:07:59,938 --> 00:08:02,399
NEARLY 700 MILES AWAY.
96
00:08:06,611 --> 00:08:09,531
THIS IS NO ORDINARY VOYAGE.
97
00:08:09,656 --> 00:08:14,161
♪
98
00:08:14,202 --> 00:08:16,913
\h\h\h\h\h\h\hTHE YELLOWSTONE\NIS THE LONGEST UNDAMMED RIVER\n
99
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IN THE LOWER 48 STATES.
100
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IT FLOWS WITH A WILDNESS THAT’S
DISAPPEARING FROM AMERICA.
101
00:08:30,719 --> 00:08:34,181
\h\hIT STILL HARBORS\NEXTRAORDINARY LIFE.\n
102
00:08:34,222 --> 00:08:40,562
♪
103
00:08:40,645 --> 00:08:42,564
EVEN IN THE DEPTHS OF WINTER,
104
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\h\h\h\h\hIT’S AN ARTERY,\NDRAWING MANY TO ITS BANKS.\n
105
00:08:46,568 --> 00:08:51,490
♪
106
00:08:51,531 --> 00:08:53,950
\h\hTHE COYOTE MUST BE\NENDLESSLY ON THE HUNT\n
107
00:08:53,992 --> 00:08:59,915
FOR CALORIES THAT WILL CARRY IT
THROUGH THE WINTER.
108
00:08:59,956 --> 00:09:02,125
IT FOLLOWS THE OPEN RIVER.
109
00:09:05,670 --> 00:09:08,798
\h\h\hTHE COYOTE SPENDS\NMUCH OF ITS YEAR ALONE.\n
110
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SOMETIMES A HUNTER,
\hOFTEN A SCAVENGER,\n
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00:09:17,766 --> 00:09:20,602
ITS STRENGTH IS ADAPTABILITY.
112
00:09:20,643 --> 00:09:28,359
♪
113
00:09:28,401 --> 00:09:34,282
BUT THE COYOTE ISN’T AT EASE
\h\h\h\h\hIN THE ICY WATER,\n
114
00:09:34,324 --> 00:09:36,952
\h\h\hAND ITS QUEST\NTO FIND ENOUGH FOOD\n
115
00:09:36,993 --> 00:09:40,413
WILL BE AS LONG AND GRUELING
\h\h\h\h\h\h\hAS THE SEASON.\n
116
00:09:40,455 --> 00:09:48,588
♪
117
00:09:48,630 --> 00:09:53,927
[SQUEALING]
118
00:09:57,138 --> 00:10:02,685
RIVER OTTERS ARE AT HOME
\h\h\h\h\hIN THE WATER.\n
119
00:10:02,727 --> 00:10:04,646
\h\h\h\h\h\h\hTHEY RELY\NON THE YELLOWSTONE RIVER\n
120
00:10:04,813 --> 00:10:05,897
WHEN THEIR SUMMER HABITAT
121
00:10:05,939 --> 00:10:09,317
IN LAKES AND TRIBUTARIES
\h\h\h\h\hFREEZES OVER.\n
122
00:10:09,359 --> 00:10:17,659
♪
123
00:10:17,784 --> 00:10:19,286
LESS THAN A YEAR OLD,
124
00:10:19,327 --> 00:10:23,206
TWO PUPS HAVE ALREADY GROWN
\h\h\h\hAS BIG AS THEIR MOM,\n
125
00:10:23,248 --> 00:10:27,961
BUT THEY STILL HAVE
\h\hA LOT TO LEARN.\n
126
00:10:28,002 --> 00:10:30,713
THEY’LL STAY WITH HER
\h\h\hTHROUGH WINTER,\n
127
00:10:30,755 --> 00:10:34,717
FOLLOWING HER EVERY MOVE.
128
00:10:34,759 --> 00:10:37,512
\h\hTHE MOTHER LEADS\NTHE PUPS DOWNSTREAM,\n
129
00:10:37,554 --> 00:10:40,682
\h\h\hTOWARD A PLACE\NTHEY’VE NEVER BEEN--\n
130
00:10:40,849 --> 00:10:44,394
A PERFECT FISHING HOLE.
131
00:10:44,435 --> 00:10:47,271
BUT AS THEY GET CLOSER
TO THEIR DESTINATION,
132
00:10:47,313 --> 00:10:50,733
SHE CAN’T LET THEM
STAY IN THE WATER.
133
00:10:50,775 --> 00:10:54,320
UP AHEAD, THE RIVER IS CHANGING.
134
00:10:54,362 --> 00:10:59,409
THE PULL OF THE CURRENT
\h\h\hIS SUDDENLY SWIFT,\n
135
00:10:59,450 --> 00:11:02,536
\h\h\h\h\h\hAND THE SOUND\NOF A DISTANT ROAR SWELLS.\n
136
00:11:02,579 --> 00:11:07,584
[ROARING]
137
00:11:07,625 --> 00:11:08,751
[SQUEALING]
138
00:11:08,793 --> 00:11:13,506
THE MOTHER CALLS THE PUPS
\h\h\h\h\hOUT OF THE WATER\n
139
00:11:13,548 --> 00:11:16,092
AND INTO THE DEEP SNOW.
140
00:11:19,304 --> 00:11:24,100
THERE’S ONLY ONE WAY TO ESCAPE
\hTHE DANGER AROUND THE BEND.\n
141
00:11:29,564 --> 00:11:32,108
\h\h\h\hTHE UPPER FALLS\NOF THE YELLOWSTONE RIVER\n
142
00:11:32,150 --> 00:11:33,735
PLUMMET MORE THAN 100 FEET
143
00:11:33,818 --> 00:11:36,612
\h\h\h\h\h\hOVER A LIP\NOF HARD VOLCANIC ROCK.\n
144
00:11:40,783 --> 00:11:44,495
THE OTTERS CAN’T RISK A SWIM.
145
00:11:44,537 --> 00:11:48,750
\h\h\hA RIDE OVER THIS GIANT\NWOULD LIKELY BE THEIR LAST.\n
146
00:11:51,669 --> 00:11:53,171
FORCED OUT OF THE RIVER,
147
00:11:53,213 --> 00:11:55,549
THE OTTERS MUST FIND
\h\h\hANOTHER ROUTE.\n
148
00:11:58,801 --> 00:12:02,638
WHEN YOU CAN’T SWIM,
149
00:12:02,680 --> 00:12:04,140
YOU CAN SLIDE.
150
00:12:08,645 --> 00:12:22,742
♪
151
00:12:22,784 --> 00:12:27,372
FOLLOWING THEIR MOTHER’S LEAD,
\hTHE PUPS GET THE HANG OF IT.\n
152
00:12:27,413 --> 00:12:35,713
♪
153
00:12:35,755 --> 00:12:39,592
\h\hTHE DAUNTING DESCENT\NBECOMES A NEW ADVENTURE.\n
154
00:12:39,634 --> 00:12:44,347
♪
155
00:12:44,389 --> 00:12:48,518
\h\h\h\h\hBY THE TIME THEY REACH\NTHE BOTTOM, THE PUPS ARE FLYING.\n
156
00:12:50,436 --> 00:12:52,813
[SQUEALING]
157
00:12:52,981 --> 00:12:54,357
THEY ARRIVE FOR THE FIRST TIME
158
00:12:54,399 --> 00:12:57,652
\h\h\hIN A PLACE THAT’S UNLIKE\NANY OTHER ON THE YELLOWSTONE.\n
159
00:12:57,694 --> 00:13:02,616
♪
160
00:13:02,657 --> 00:13:04,200
IN THIS GROTTO OF ICE,
161
00:13:04,242 --> 00:13:06,661
THE CONSTANT IMPACT
\h\h\hOF THE CASCADE\n
162
00:13:06,703 --> 00:13:09,414
\h\h\hKEEPS THE POOL\NFROM FREEZING OVER.\n
163
00:13:14,711 --> 00:13:18,340
\hTHE FORCE OF FALLING WATER\NCREATES A DEEP PLUNGE BASIN\n
164
00:13:18,381 --> 00:13:22,176
FULL OF OXYGEN,
165
00:13:22,218 --> 00:13:25,680
IDEAL HABITAT FOR LARGE FISH.
166
00:13:28,516 --> 00:13:32,854
\h\h\hFINDING CONFIDENCE\NIN THIS SHELTERED COVE,\n
167
00:13:32,979 --> 00:13:34,898
THE PUPS EXPLORE
THEIR NEW HOME.
168
00:13:39,819 --> 00:13:42,947
THEY FISH FROM RAFTS
\hOF FLOATING ICE...\n
169
00:13:50,955 --> 00:13:55,626
AND DINE IN SCULPTED CAVES,
170
00:13:55,668 --> 00:13:58,713
\h\h\h\hMAKING THE MOST\NOF A WINTER WONDERLAND.\n
171
00:14:07,305 --> 00:14:11,309
IN MARCH, SUNLIGHT SLOWLY
\hRETURNS TO YELLOWSTONE.\n
172
00:14:11,351 --> 00:14:16,064
♪
173
00:14:16,105 --> 00:14:19,984
CLIMBING TEMPERATURES
\hUNLOCK SNOW AND ICE.\n
174
00:14:22,528 --> 00:14:26,866
\h\h\h\hSLABS BREAK FREE,\NUNLEASHING POWERFUL FLOES.\n
175
00:14:26,908 --> 00:14:31,746
♪
176
00:14:31,788 --> 00:14:35,750
THEY BUILD VOLUME AND MOMENTUM
\h\h\h\h\h\h\hIN THE CHANNEL.\n
177
00:14:35,792 --> 00:14:45,552
♪
178
00:14:45,593 --> 00:14:48,554
\h\h\h\h\h\h\hMELTWATER\NFROM 70,000 SQUARE MILES\n
179
00:14:48,596 --> 00:14:52,266
\h\h\h\h\hDRAINS INTO\NTHE YELLOWSTONE RIVER.\n
180
00:14:52,308 --> 00:14:55,937
BY MAY, STREAMS BEGIN TO SWELL.
181
00:15:01,192 --> 00:15:03,903
TRIBUTARIES BECOME TORRENTS.
182
00:15:07,240 --> 00:15:10,952
MILLIONS OF GALLONS OF WATER
\h\h\h\h\hRACE TO THE RIVER.\n
183
00:15:11,035 --> 00:15:24,715
♪
184
00:15:24,757 --> 00:15:27,843
HALF A MILE DOWNSTREAM
FROM THE UPPER FALLS,
185
00:15:27,885 --> 00:15:29,512
SPRING’S RAGING FLOOD
186
00:15:29,554 --> 00:15:35,518
\h\h\hPOURS OVER THE LARGEST\NVERTICAL DROP IN THE RIVER--\n
187
00:15:35,560 --> 00:15:36,728
THE LOWER FALLS.
188
00:15:43,860 --> 00:15:46,571
THE RIVER PLUMMETS 308 FEET,
189
00:15:46,612 --> 00:15:49,740
NEARLY TWICE THE HEIGHT
\h\h\hOF NIAGARA FALLS.\n
190
00:16:01,502 --> 00:16:04,672
THE THUNDERING WHITEWATER
\h\h\hSLICES THROUGH ROCK,\n
191
00:16:04,714 --> 00:16:08,343
CARVING THE GRAND CANYON
\h\hOF THE YELLOWSTONE.\n
192
00:16:11,179 --> 00:16:15,016
\h\h\hIRON IN THE ROCKS PAINTS\NTHE WALLS OF THE FAMOUS GORGE\n
193
00:16:15,099 --> 00:16:16,726
A BOLD YELLOW.
194
00:16:18,144 --> 00:16:21,648
[CHIRPING]
195
00:16:24,233 --> 00:16:26,152
HOT SPRINGS AND STEAM VENTS
196
00:16:26,194 --> 00:16:30,573
LEAVE STRIPES OF PASTEL PINK
\h\h\h\h\h\h\h\hAND ORANGE.\n
197
00:16:30,615 --> 00:16:34,786
\h\h\h\h\h\h\h24 MILES LONG,\NAS MUCH AS 1,200 FEET DEEP,\n
198
00:16:34,827 --> 00:16:37,204
\hTHE GRAND CANYON\NOF THE YELLOWSTONE\n
199
00:16:37,246 --> 00:16:40,875
\h\h\h\h\h\h\h\hIS A MONUMENT\NTO THE FORCE OF RAGING WATER.\n
200
00:16:40,917 --> 00:16:42,043
♪
201
00:16:42,084 --> 00:16:52,052
♪
202
00:16:53,804 --> 00:16:57,558
[GRUNTING]
203
00:16:57,600 --> 00:17:03,481
WITH THE BIG MELT, BISON BEGIN
A MIGRATION TO HIGHER GROUND.
204
00:17:03,523 --> 00:17:07,068
THEY MUST CROSS SWOLLEN RIVERS
\h\h\hTO REACH SUMMER PASTURE.\n
205
00:17:10,696 --> 00:17:14,491
THEY’RE NOT THE ONLY SPRING
TRAVELERS DRIVEN BY HUNGER.
206
00:17:20,414 --> 00:17:23,542
\h\h\h\hA GRIZZLY BEAR,\NJUST OUT OF HIBERNATION,\n
207
00:17:23,584 --> 00:17:29,340
APPROACHES A RUSHING TRIBUTARY,
208
00:17:29,382 --> 00:17:31,843
AND SHE’S NOT ALONE.
209
00:17:34,220 --> 00:17:37,098
\h\hAFTER A LONG WINTER\NIN THE DEN WITHOUT FOOD\n
210
00:17:37,223 --> 00:17:40,101
AND MONTHS OF NURSING
\h\h\hTHREE NEW CUBS,\n
211
00:17:40,309 --> 00:17:43,103
HER RESERVES ARE GONE.
212
00:17:43,145 --> 00:17:45,022
SHE NEEDS TO REACH
\hHUNTING GROUNDS\n
213
00:17:45,064 --> 00:17:47,108
ON THE OTHER SIDE OF THE RIVER.
214
00:17:49,986 --> 00:17:52,989
\h\hBUT GETTING THERE\NWILL BE NO EASY FEAT.\n
215
00:17:58,411 --> 00:18:01,706
IN THESE EARLY DAYS
\h\hOUT OF THE DEN,\n
216
00:18:01,747 --> 00:18:04,333
THE CUBS ARE STILL CLUMSY
\h\h\h\h\h\h\h\h\hON FOOT.\n
217
00:18:17,305 --> 00:18:21,976
THIS RIVER IS A TURBULENT PLACE
FOR A FIRST SWIM.
218
00:18:24,353 --> 00:18:26,730
BISON MOVE AS A HERD,
219
00:18:26,772 --> 00:18:29,900
\h\h\hPROTECTING YOUNG CALVES\NWITH THE STRENGTH OF NUMBERS.\n
220
00:18:33,237 --> 00:18:34,947
THE CALVES STAY CLOSE,
221
00:18:34,989 --> 00:18:38,784
EVEN WHEN THEIR MOTHERS LEAD
THEM INTO DANGEROUS WATERS.
222
00:18:46,250 --> 00:18:48,377
A CALF TAKES THE PLUNGE,
223
00:18:48,419 --> 00:18:51,464
\h\h\hAND INSTANTLY,\NIT’S IN DEEP WATER.\n
224
00:18:57,803 --> 00:19:01,974
♪
225
00:19:02,016 --> 00:19:05,394
\hIT TAKES ALL OF ITS EFFORT\NTO KEEP UP WITH ITS MOTHER.\n
226
00:19:08,773 --> 00:19:13,111
AS THE REST OF THE HERD
PILES IN, CHAOS ENSUES.
227
00:19:14,695 --> 00:19:17,198
[GRUNTING]
228
00:19:17,365 --> 00:19:22,120
♪
229
00:19:22,161 --> 00:19:26,332
THE GRIZZLY HASN’T FOUND AN EASY
PLACE FOR THE CUBS TO CROSS.
230
00:19:30,294 --> 00:19:34,215
\h\hBUT HER EMPTY STOMACH PULLS\NHER INTO THE WATER NONETHELESS.\n
231
00:19:34,256 --> 00:19:39,470
♪
232
00:19:39,512 --> 00:19:41,848
FEAR GRIPS HER ENTOURAGE.
233
00:19:43,349 --> 00:19:44,892
[GROWLING]
234
00:19:44,934 --> 00:19:50,523
\h\h\h\h\hTHE SOW STAYS PUT,\NCOACHING THE CUBS TO FOLLOW,\n
235
00:19:50,564 --> 00:19:53,901
BUT IT’S A BIG RIVER
\hFOR LITTLE BEARS.\n
236
00:19:57,947 --> 00:20:00,616
THE BISON HERD STRUGGLES
\h\h\h\hTO STAY UPRIVER\n
237
00:20:00,658 --> 00:20:03,452
FROM THE MOST VIOLENT RAPIDS.
238
00:20:04,787 --> 00:20:07,248
\h\h\hLOSE YOUR FOOTING,\NAND THE RIVER TAKES YOU.\n
239
00:20:07,456 --> 00:20:12,002
♪
240
00:20:12,044 --> 00:20:14,630
[GROANING]
241
00:20:18,426 --> 00:20:20,929
EVEN THE STRONGEST ARE LOST.
242
00:20:24,348 --> 00:20:27,768
\h\hTHE SAME CURRENT\NDRAGS THE CALF DOWN.\n
243
00:20:31,689 --> 00:20:35,735
THE GRIZZLY MAY HAVE MADE
\h\h\h\h\hTHE WRONG MOVE.\n
244
00:20:35,776 --> 00:20:40,281
ALL THREE CUBS FOLLOWED HER
\h\h\h\h\h\hINTO THE RIVER.\n
245
00:20:40,448 --> 00:20:44,285
NOW THEY’RE SWIMMING
\h\hFOR THEIR LIVES,\n
246
00:20:44,410 --> 00:20:49,707
AND SHE CAN’T HELP THEM
\h\h\h\h\h\hALL AT ONCE.\n
247
00:20:49,749 --> 00:20:53,169
MATERNAL INSTINCT IS FIERCE,
248
00:20:53,210 --> 00:20:54,878
BUT SO IS THE RIVER.
249
00:20:54,920 --> 00:21:06,181
♪
250
00:21:06,223 --> 00:21:10,936
\h\h\h\hTHE COW USES HER BODY AS\NA SHIELD, BREAKING THE CURRENT.\n
251
00:21:13,022 --> 00:21:18,110
\h\h\h\h\h\hIN HER LEE,\NTHE CALF MAKES HEADWAY,\n
252
00:21:18,152 --> 00:21:20,237
WHILE OTHERS FALTER.
253
00:21:20,279 --> 00:21:24,200
♪
254
00:21:25,701 --> 00:21:27,161
[GRUNTS]
255
00:21:28,788 --> 00:21:31,416
\h\h\h\hTHEY’VE ESCAPED\NTHE WATER’S DEADLY GRIP.\n
256
00:21:32,833 --> 00:21:33,751
[GRUNTS]
257
00:21:36,378 --> 00:21:37,713
FOR THE BEAR CUBS,
258
00:21:37,755 --> 00:21:41,175
THE OTHER SIDE OF THE RIVER
\h\h\h\hIS FINALLY IN REACH.\n
259
00:21:44,553 --> 00:21:46,138
ONE DOWN...
260
00:21:46,180 --> 00:21:51,977
♪
261
00:21:52,019 --> 00:21:53,020
TWO TO GO.
262
00:21:53,062 --> 00:22:03,906
♪
263
00:22:16,043 --> 00:22:19,380
\h\h\h\h\hAGAINST THE ODDS,\NALL THREE CUBS HAVE SURVIVED\n
264
00:22:19,421 --> 00:22:23,383
THEIR FIRST ENCOUNTER
\h\h\hWITH THE RIVER,\n
265
00:22:23,425 --> 00:22:25,344
BUT THE BATTLE HAS DRAINED THEM.
266
00:22:32,017 --> 00:22:37,397
BEFORE THEY CAN SET OUT
\h\h\h\h\hTO FIND FOOD,\n
267
00:22:37,523 --> 00:22:39,275
IT’S NAPTIME.
268
00:22:39,316 --> 00:22:49,368
♪
269
00:22:49,368 --> 00:22:54,999
♪
270
00:22:55,040 --> 00:22:58,502
\hTHE BISON HERD WILL CONTINUE\NTHE JOURNEY TO HIGHER PASTURES\n
271
00:22:58,544 --> 00:23:00,629
IN THE HEART OF YELLOWSTONE.
272
00:23:05,092 --> 00:23:08,971
\h\hBUT THE RIVER TRAVELS\NIN THE OPPOSITE DIRECTION,\n
273
00:23:09,013 --> 00:23:10,598
LEAVING THE PARK
274
00:23:10,639 --> 00:23:13,350
AND MEETING CIVILIZATION.
275
00:23:16,186 --> 00:23:19,731
IT RUNS THROUGH THE GATEWAY TOWN
OF GARDINER, MONTANA,
276
00:23:19,773 --> 00:23:24,569
THE NORTHERN ENTRANCE
\h\h\hTO YELLOWSTONE.\n
277
00:23:24,612 --> 00:23:26,614
\hBUT THE STREETS\NARE SOON REPLACED\n
278
00:23:26,655 --> 00:23:31,243
BY A MAN-MADE TAPESTRY
OF RANCHES AND HOMES.
279
00:23:31,285 --> 00:23:44,465
♪
280
00:23:44,548 --> 00:23:45,549
IN PARADISE VALLEY,
281
00:23:45,591 --> 00:23:47,843
\hTHE SHARP RIDGES\NOF YOUNG MOUNTAINS\n
282
00:23:47,885 --> 00:23:50,304
RISE ABOVE THE RIVER,
283
00:23:50,346 --> 00:23:54,767
\h\h\h\hAND SPRING TURBULENCE\NMELLOWS INTO EASIER CURRENTS.\n
284
00:23:57,353 --> 00:24:02,483
\hBENEATH THE SURFACE, WARMING\NTEMPERATURES SEND AN UGLY BUG\n
285
00:24:02,650 --> 00:24:05,361
ON A QUEST TO FIND A PARTNER.
286
00:24:09,531 --> 00:24:14,453
FOR THREE YEARS, THE SALMONFLY
\hLIVES IN THE FORM OF A NYMPH\n
287
00:24:14,495 --> 00:24:16,080
ON THE RIVER BOTTOM.
288
00:24:18,791 --> 00:24:20,584
NOT A PRETTY PHASE,
289
00:24:20,626 --> 00:24:24,505
BUT A DRAMATIC MAKEOVER
\h\h\h\h\h\hIS IN REACH,\n
290
00:24:24,546 --> 00:24:26,089
\h\h\h\hIF THE NYMPH\NCAN MAKE THE JOURNEY\n
291
00:24:26,131 --> 00:24:30,427
FROM ITS WATERY HOME
\h\h\h\hTO DRY LAND.\n
292
00:24:33,973 --> 00:24:36,934
\h\h\hIN THIS CLEAN,\NFAST-FLOWING WATER,\n
293
00:24:36,976 --> 00:24:38,728
THE SALMONFLY NYMPH
\h\hHAS GROWN TO BE\n
294
00:24:38,769 --> 00:24:41,480
MORE THAN TWO INCHES LONG.
295
00:24:41,522 --> 00:24:48,571
IT’S THE LARGEST OF MORE THAN
\h\h3,000 SPECIES OF STONEFLY.\n
296
00:24:48,612 --> 00:24:50,614
FOR THE FIRST TIME IN ITS LIFE,
297
00:24:50,656 --> 00:24:55,327
THE GIANT LEAVES THE WATER
\h\h\h\hAND MEETS THE AIR.\n
298
00:24:57,746 --> 00:25:01,166
BUT BEFORE IT CAN TAKE
\h\h\hA SINGLE BREATH,\n
299
00:25:01,208 --> 00:25:03,460
IT MUST TRANSFORM.
300
00:25:05,754 --> 00:25:07,506
AS THE SUN SETS,
301
00:25:07,548 --> 00:25:11,552
THOUSANDS OF NYMPHS EMERGE
\h\h\hFROM THE YELLOWSTONE\n
302
00:25:11,593 --> 00:25:16,681
\h\h\h\h\h\h\hAND BEGIN\NTHE SAME METAMORPHOSIS.\n
303
00:25:16,724 --> 00:25:18,559
WRITHING FROM WITHIN,
304
00:25:18,600 --> 00:25:24,856
THE SALMONFLY STRUGGLES TO BREAK
OUT OF ITS HARD EXOSKELETON.
305
00:25:24,898 --> 00:25:28,652
UNTIL IT TEARS ITS LUNGS
\h\hFROM ITS OLD SHELL,\n
306
00:25:28,694 --> 00:25:30,571
IT CAN’T BREATHE.
307
00:25:30,612 --> 00:25:41,581
♪
308
00:25:41,707 --> 00:25:50,507
♪
309
00:25:50,549 --> 00:25:56,388
WITH TREMENDOUS EFFORT,
THE NYMPH BECOMES A FLY.
310
00:25:56,430 --> 00:26:07,483
♪
311
00:26:07,524 --> 00:26:15,073
♪
312
00:26:15,115 --> 00:26:17,909
\h\hIN ORDER TO MINGLE\NIN THE GROWING CROWD,\n
313
00:26:17,951 --> 00:26:22,080
\h\h\hTHE SALMONFLY\NWILL NEED ITS WINGS.\n
314
00:26:22,122 --> 00:26:26,627
\hCRINKLED MEMBRANES\NMUST UNCURL AND DRY.\n
315
00:26:26,668 --> 00:26:40,056
♪
316
00:26:40,099 --> 00:26:43,644
BY DAWN, THE SALMONFLY SHIMMERS.
317
00:26:43,685 --> 00:26:46,396
ITS TRANSFORMATION IS COMPLETE.
318
00:26:54,321 --> 00:26:57,741
BUT REACHING NEW COMPANY
\h\hWILL TAKE A CLIMB...\n
319
00:27:08,043 --> 00:27:10,671
AND A LEAP INTO THE UNKNOWN.
320
00:27:10,712 --> 00:27:20,305
♪
321
00:27:20,347 --> 00:27:27,855
♪
322
00:27:27,896 --> 00:27:30,690
URGENCY FILLS THE AIR.
323
00:27:30,816 --> 00:27:32,693
\h\hTHE SALMONFLIES\NHAVE JUST A FEW DAYS\n
324
00:27:32,734 --> 00:27:35,278
TO FIND A MATE AND LAY EGGS.
325
00:27:35,320 --> 00:27:46,373
♪
326
00:27:46,415 --> 00:27:55,090
♪
327
00:27:55,132 --> 00:27:58,927
NOT ALL MAIDEN FLIGHTS
\h\hMEET WITH SUCCESS.\n
328
00:28:01,763 --> 00:28:04,474
HEAVY BODIES AND DELICATE WINGS
329
00:28:04,516 --> 00:28:07,728
MAKE THE SALMONFLY CLUMSY
\h\h\h\h\h\h\hIN THE AIR.\n
330
00:28:07,769 --> 00:28:12,774
THE SLIGHTEST GUST CAN SEND THEM
PLUMMETING BACK INTO THE RIVER.
331
00:28:14,818 --> 00:28:19,448
WET, THEIR NEW WINGS
\h\h\h\hARE USELESS,\n
332
00:28:19,489 --> 00:28:21,908
AND HUNGRY MOUTHS WAIT.
333
00:28:27,164 --> 00:28:29,750
TROUT RISE TO THE SURFACE,
334
00:28:29,833 --> 00:28:31,752
\h\h\h\h\h\hCOLLECTING\NTHE WEALTH OF PROTEIN\n
335
00:28:31,919 --> 00:28:33,879
DELIVERED BY CRASH LANDINGS.
336
00:28:38,967 --> 00:28:50,770
♪
337
00:28:50,938 --> 00:28:55,109
\h\hOTHER HUNTERS JOIN THE FISH\NIN MAKING THE MOST OF THE EVENT.\n
338
00:29:04,868 --> 00:29:06,953
BUT SO MANY SALMONFLIES EMERGE
339
00:29:06,995 --> 00:29:10,790
\h\h\h\h\h\hTHAT PREDATORS\NHARDLY DENT THEIR NUMBERS.\n
340
00:29:10,916 --> 00:29:12,376
AS SUMMER’S WARMER TEMPERATURES
341
00:29:12,417 --> 00:29:15,086
\h\h\h\hMAKE THEIR WAY\NTO HIGHER ELEVATIONS,\n
342
00:29:15,128 --> 00:29:19,049
THE HATCH CONTINUES IN WAVES.
343
00:29:19,091 --> 00:29:23,095
DENSE CLOUDS OF SALMONFLIES
\h\h\h\h\h\h\hMOVE UPRIVER,\n
344
00:29:23,136 --> 00:29:26,848
BACK TO THE LOWER FALLS.
345
00:29:26,890 --> 00:29:28,600
ALONG THE RIVER’S BANKS,
346
00:29:28,642 --> 00:29:33,522
INSTINCT DRIVES THEM TO FULFILL
THEIR ONE AND ONLY PURPOSE.
347
00:29:36,358 --> 00:29:41,780
\h\h\h\h\h\hA MALE SEARCHES\NFOR HIS LARGER COUNTERPART.\n
348
00:29:41,822 --> 00:29:43,699
OVER THE COURSE OF A WEEK,
349
00:29:43,740 --> 00:29:47,535
\h\h\h\h\hHE PAIRS OFF WITH\NAS MANY FEMALES AS POSSIBLE.\n
350
00:29:49,037 --> 00:29:58,880
♪
351
00:29:58,922 --> 00:30:01,383
SHE HAS JUST ONE PARTNER.
352
00:30:01,425 --> 00:30:12,478
♪
353
00:30:12,519 --> 00:30:18,859
♪
354
00:30:18,984 --> 00:30:20,611
WHEN THE COUPLING IS OVER,
355
00:30:20,652 --> 00:30:25,532
SHE PUMPS A ROUND EGG SAC
\h\h\hOUT OF HER ABDOMEN.\n
356
00:30:25,574 --> 00:30:29,578
SHE’LL DROP THIS EGG BOMB
\h\h\h\h\hINTO THE RIVER,\n
357
00:30:29,619 --> 00:30:31,996
LEAVING HER LEGACY
\hIN THE CURRENT.\n
358
00:30:39,921 --> 00:30:43,716
THE ADULT SALMONFLIES WILL LIVE
FOR JUST A FEW WEEKS.
359
00:30:46,553 --> 00:30:50,891
IN THAT TIME, THEIR PRESENCE
\h\h\hBECOMES A SIREN CALL,\n
360
00:30:51,099 --> 00:30:53,810
PULLING DRIFTERS TO THE RIVER.
361
00:30:53,852 --> 00:31:03,862
♪
362
00:31:03,862 --> 00:31:09,701
♪
363
00:31:09,743 --> 00:31:19,795
♪
364
00:31:19,795 --> 00:31:24,758
♪
365
00:31:24,800 --> 00:31:33,267
♪
366
00:31:33,308 --> 00:31:37,521
IT’S THE FINE ART OF IMITATION--
367
00:31:37,562 --> 00:31:41,149
\h\h\h\h\hA HANDMADE FLY\NCRAFTED IN EVERY DETAIL\n
368
00:31:41,191 --> 00:31:43,276
TO MATCH THE GIANT INSECT.
369
00:31:50,659 --> 00:31:54,246
\h\h\h\hATTENTIONS TO THE LURE\NHAVE BEEN PIQUED BY THE HATCH.\n
370
00:31:57,916 --> 00:32:01,878
\hTHE CAST REQUIRES\NGRACE AND PRECISION.\n
371
00:32:01,920 --> 00:32:16,935
♪
372
00:32:16,977 --> 00:32:17,978
♪
373
00:32:18,019 --> 00:32:27,946
♪
374
00:32:27,946 --> 00:32:33,368
♪
375
00:32:33,410 --> 00:32:36,330
A PERFECT LANDING
MIMICS THE SPLASH
376
00:32:36,371 --> 00:32:38,373
OF A FALLEN SALMONFLY.
377
00:32:38,415 --> 00:32:39,458
♪
378
00:32:39,499 --> 00:32:49,551
♪
379
00:32:49,551 --> 00:32:54,556
♪
380
00:32:54,598 --> 00:32:58,894
\h\h\hIT TAKES YEARS\NTO MASTER THIS HOAX.\n
381
00:32:58,935 --> 00:33:03,481
THE BEND OF THE ROD,
THE ARC OF THE LINE,
382
00:33:03,523 --> 00:33:06,067
MAKE ALL THE DIFFERENCE
\hIN SELLING THE STUNT.\n
383
00:33:06,109 --> 00:33:16,661
♪
384
00:33:16,703 --> 00:33:19,789
IT’S NOT THE MOUTHFUL
\hTHE TROUT EXPECTED.\n
385
00:33:19,831 --> 00:33:27,047
♪
386
00:33:27,214 --> 00:33:29,633
BUT IT WILL HAVE ANOTHER CHANCE.
387
00:33:29,674 --> 00:33:36,556
♪
388
00:33:36,598 --> 00:33:39,559
\h\h\h\h\h\h\h\h\hFOR AS LONG\NAS THE SALMONFLY HATCH LASTS,\n
389
00:33:39,601 --> 00:33:43,980
OPPORTUNITIES WILL BE PLENTY.
390
00:33:44,022 --> 00:33:45,357
AND EVERY LINK IN THE FOOD CHAIN
391
00:33:45,398 --> 00:33:48,401
\h\h\h\h\h\h\h\hBENEFITS\NFROM THE RIVER’S BOUNTY.\n
392
00:33:52,572 --> 00:33:55,158
THE MEETING OF HUMAN AND RIVER
\h\h\h\h\h\h\hIS NOT CONFINED\n
393
00:33:55,200 --> 00:33:58,203
TO THE NARROW CHANNEL
\h\h\hOF THE WATERWAY.\n
394
00:34:01,873 --> 00:34:03,166
FOR THOUSANDS OF YEARS,
395
00:34:03,291 --> 00:34:06,169
\h\hFLOODS HAVE DEPOSITED\NRICH SEDIMENT ON THE LAND\n
396
00:34:06,211 --> 00:34:09,047
STRETCHING TO THE BASE
\h\hOF THE MOUNTAINS.\n
397
00:34:11,216 --> 00:34:15,011
WATER PULLED FROM THE RIVER
\h\h\h\h\h\hIRRIGATES FIELDS\n
398
00:34:15,053 --> 00:34:17,055
AND SUSTAINS A WAY OF LIFE.
399
00:34:17,097 --> 00:34:23,395
♪
400
00:34:23,436 --> 00:34:25,897
AS SETTLERS MOVED WEST
\h\hTO WORK THE LAND,\n
401
00:34:25,939 --> 00:34:30,527
SMALL TOWNS SPRANG UP
\hON THE YELLOWSTONE.\n
402
00:34:30,569 --> 00:34:35,199
\h\h\h\hA BEND IN THE RIVER\NFRAMES LIVINGSTON, MONTANA.\n
403
00:34:35,240 --> 00:34:36,950
ON THE FOURTH OF JULY,
404
00:34:36,992 --> 00:34:40,954
\h\hTHE RODEO DRAWS THOUSANDS\NTO AN ARENA ON THE RIVERBANK.\n
405
00:34:43,665 --> 00:34:47,127
COMPETITORS WAIT BEHIND GATES.
406
00:34:47,335 --> 00:35:00,139
♪
407
00:35:00,181 --> 00:35:07,939
♪
408
00:35:10,775 --> 00:35:15,530
\hWHILE THE RIVER\NCRUISES CALMLY BY,\n
409
00:35:15,572 --> 00:35:17,741
SPECTATORS SETTLE IN.
410
00:35:22,245 --> 00:35:25,165
A TORRENT IS UNLEASHED.
411
00:35:25,206 --> 00:35:33,715
♪
412
00:35:33,757 --> 00:35:38,428
\h\h\hTHE CHALLENGE--TO HOLD ON\NFOR EIGHT EXCRUCIATING SECONDS.\n
413
00:35:41,264 --> 00:35:44,601
THE TRICK IS LETTING MOTION
\h\h\h\h\hFLOW LIKE WATER...\n
414
00:35:44,643 --> 00:35:51,191
♪
415
00:35:51,316 --> 00:35:53,068
DIVERTING THE IMPACT...
416
00:35:53,109 --> 00:35:58,197
♪
417
00:35:58,406 --> 00:36:01,200
\h\hFINDING FLUIDITY\NAND A KIND OF GRACE.\n
418
00:36:01,368 --> 00:36:11,295
♪
419
00:36:11,295 --> 00:36:17,217
♪
420
00:36:17,258 --> 00:36:18,718
♪
421
00:36:24,349 --> 00:36:36,236
[CHEERING AND APPLAUSE]
422
00:36:36,319 --> 00:36:39,531
\h\h\h\hEVERY RODEO EVENT TESTS\NA SKILL USED TO WORK THE CATTLE\n
423
00:36:39,572 --> 00:36:42,241
\h\h\h\hON THE RANCHES\NUP AND DOWN THE RIVER.\n
424
00:36:42,325 --> 00:36:48,331
♪
425
00:36:48,373 --> 00:36:50,333
ROPING RUNAWAY CALVES...
426
00:36:54,337 --> 00:36:56,798
WRANGLING STEERS
FOR BRANDING...
427
00:37:00,719 --> 00:37:06,266
\h\hMAKING TIGHT TURNS\NWHILE MOVING THE HERD.\n
428
00:37:06,307 --> 00:37:08,976
\hTHE NIGHT BUILDS\NTO A GRAND FINALE.\n
429
00:37:09,018 --> 00:37:11,270
[EXPLOSIONS]
430
00:37:11,354 --> 00:37:22,282
♪
431
00:37:22,449 --> 00:37:29,289
♪
432
00:37:29,330 --> 00:37:33,501
THE CELEBRATION OF INDEPENDENCE
REFLECTS ON THE YELLOWSTONE,
433
00:37:33,543 --> 00:37:35,628
A RIVER THAT RUNS FREE.
434
00:37:45,680 --> 00:37:51,060
♪
435
00:37:51,102 --> 00:37:53,730
JUST BEYOND THE TOWN
\h\h\hOF LIVINGSTON,\n
436
00:37:53,772 --> 00:37:56,358
THE YELLOWSTONE TURNS EASTWARD.
437
00:38:00,612 --> 00:38:03,323
\h\h\h\h\h\h\h\h\h\h\hIT MEETS\NTHE NORTHERN PACIFIC RAILROAD,\n
438
00:38:03,364 --> 00:38:06,534
\h\h\hA LINE WHICH CONNECTED\NTHE EAST COAST TO THE WEST.\n
439
00:38:11,164 --> 00:38:17,003
\h\hAS AMERICA EXPANDED, MANY OF\NITS GREAT RIVERS WERE HARNESSED.\n
440
00:38:17,045 --> 00:38:20,632
\h\h\h\h\h\hDAMS POWERED\NTHE GROWTH OF A NATION.\n
441
00:38:20,673 --> 00:38:24,510
BUT THE YELLOWSTONE MOVES
\h\h\hWITHOUT OBSTRUCTION.\n
442
00:38:24,552 --> 00:38:27,221
\hIT’S THE LONGEST\NFREE-FLOWING RIVER\n
443
00:38:27,263 --> 00:38:30,725
IN THE CONTIGUOUS UNITED STATES.
444
00:38:30,767 --> 00:38:33,103
IN THE ABSENCE OF DAMS,
445
00:38:33,144 --> 00:38:36,522
WATER LEVELS RISE AND FALL
\h\h\h\hWITH THE SEASONS,\n
446
00:38:36,564 --> 00:38:40,109
KEEPING A RARE FOREST ALIVE.
447
00:38:42,654 --> 00:38:46,908
\h\h\hCOTTONWOOD TREES DEPEND\NON FLOODING FOR REGENERATION.\n
448
00:38:46,950 --> 00:38:55,542
♪
449
00:38:55,583 --> 00:38:59,462
IN THE SPRING, HIGH WATER
\hCOVERS THE GRAVEL BARS.\n
450
00:39:03,216 --> 00:39:06,720
WATER LEVELS DROP AGAIN
JUST AS CLOUDS OF WHITE
451
00:39:06,761 --> 00:39:09,347
\h\h\h\hBEGIN TO DRIFT\NFROM THE COTTONWOODS.\n
452
00:39:09,389 --> 00:39:15,061
♪
453
00:39:15,103 --> 00:39:19,482
\hA SINGLE TREE CAN DISPERSE\NMORE THAN 25 MILLION SEEDS.\n
454
00:39:21,150 --> 00:39:26,322
EACH IS WRAPPED IN DOWNY FIBER
\h\h\hAND FLOATS ON THE WIND.\n
455
00:39:28,616 --> 00:39:32,411
IT NEEDS THE PERFECT CONDITIONS
TO GERMINATE--
456
00:39:32,620 --> 00:39:36,374
MOISTURE, BARE DIRT,
\h\h\hAND SUNLIGHT.\n
457
00:39:36,416 --> 00:39:39,794
THE RECEDING FLOODWATERS
REVEAL SILTY GRAVEL BARS
458
00:39:39,836 --> 00:39:43,423
\h\h\h\h\h\h\hAT EXACTLY\NTHE RIGHT TIME OF YEAR.\n
459
00:39:43,590 --> 00:39:47,677
THE SEEDLINGS HAVE A NARROW
\hWINDOW, JUST A FEW WEEKS,\n
460
00:39:47,719 --> 00:39:51,765
TO TAKE ROOT BEFORE THEIR
LANDING SITES GET TOO DRY.
461
00:39:54,601 --> 00:39:59,439
\h\h\h\hCOTTONWOODS THRIVE\NALL ALONG THE YELLOWSTONE.\n
462
00:39:59,522 --> 00:40:00,773
THEY PROVIDE HABITAT
463
00:40:00,815 --> 00:40:04,319
\h\h\h\hFOR MORE THAN HALF\NOF MONTANA’S BIRD SPECIES.\n
464
00:40:07,947 --> 00:40:11,951
\hTHE GREAT BLUE HERON\NSTANDS FOUR FEET TALL.\n
465
00:40:11,993 --> 00:40:13,620
[SQUAWKING]
466
00:40:17,540 --> 00:40:20,460
IT SPENDS MUCH OF ITS LIFE
\h\h\h\h\h\h\hIN SOLITUDE.\n
467
00:40:20,668 --> 00:40:25,381
♪
468
00:40:25,423 --> 00:40:27,050
BUT TO RAISE YOUNG,
469
00:40:27,091 --> 00:40:31,554
NORTH AMERICA’S LARGEST HERONS
\h\h\h\h\hGATHER IN A ROOKERY.\n
470
00:40:35,183 --> 00:40:38,395
HIGH IN THE COTTONWOODS
\hABOVE THE YELLOWSTONE,\n
471
00:40:38,436 --> 00:40:42,357
\h\h\hTHEY BUILD PLATFORM NESTS\NAND TAKE TURNS DEFENDING CHICKS\n
472
00:40:42,398 --> 00:40:46,694
FROM EAGLES, RACCOONS,
\hAND OTHER PREDATORS.\n
473
00:40:48,655 --> 00:40:51,616
BUT THE RELATIVE SAFETY
OF THE ELEVATED ROOKERY
474
00:40:51,658 --> 00:40:54,536
ALSO POSES A PROBLEM.
475
00:40:54,577 --> 00:40:56,704
STRANDED IN THE AIR,
476
00:40:56,746 --> 00:40:59,999
THE CHICKS CAN’T GATHER FOOD
\h\h\h\h\h\hFOR THEMSELVES,\n
477
00:41:00,041 --> 00:41:04,128
EVEN WHEN THEY GET QUITE LARGE.
478
00:41:04,170 --> 00:41:08,716
\h\h\h\hTHEIR PARENTS HAVE AN\NINCREASINGLY DIFFICULT CHORE--\n
479
00:41:08,758 --> 00:41:11,177
\h\h\h\h\h\h\h\h\hFEEDING\NTHEIR ENORMOUS OFFSPRING.\n
480
00:41:11,219 --> 00:41:19,769
♪
481
00:41:19,811 --> 00:41:23,523
\hTHE HERON HUNTS\NIN SHALLOW WATER,\n
482
00:41:23,564 --> 00:41:26,233
LOCATING ITS PREY BY SIGHT.
483
00:41:26,275 --> 00:41:39,163
♪
484
00:41:39,205 --> 00:41:42,542
SMALL FISH COMPOSE
MUCH OF ITS DIET.
485
00:41:46,212 --> 00:41:49,340
IT ALWAYS SWALLOWS FISH
\h\h\h\h\h\h\hHEADFIRST,\n
486
00:41:49,382 --> 00:41:53,177
\h\h\h\hORIENTING THE SCALES\NSO THEY SLIDE DOWN SMOOTHLY.\n
487
00:41:53,219 --> 00:42:08,151
♪
488
00:42:08,192 --> 00:42:12,780
\hTHE HERON SHAKES ITS CATCH,\NATTEMPTING TO BREAK ITS SPINE,\n
489
00:42:12,822 --> 00:42:16,284
\h\hMAKING IT EASIER\NTO GULP DOWN WHOLE.\n
490
00:42:16,325 --> 00:42:22,122
♪
491
00:42:22,165 --> 00:42:25,502
\hCONVENIENTLY STASHED\NIN THE BIRD’S STOMACH,\n
492
00:42:25,543 --> 00:42:30,214
THE FISH IS READY FOR TRANSPORT
BACK TO THE ROOKERY.
493
00:42:30,256 --> 00:42:37,597
♪
494
00:42:37,638 --> 00:42:41,475
THE HERON WILL REGURGITATE
\hTHE FISH FOR ITS CHICKS.\n
495
00:42:41,517 --> 00:42:52,570
♪
496
00:42:52,612 --> 00:42:58,368
\h\h\h\h\h\h\hAS SUMMER PEAKS,\NWATER LEVELS CONTINUE TO DROP\n
497
00:42:58,409 --> 00:43:00,494
AND NEW FEATURES EMERGE.
498
00:43:04,832 --> 00:43:06,334
A WAVE.
499
00:43:08,795 --> 00:43:11,881
\h\h\h\h\h\h\h700 MILES\NFROM THE NEAREST OCEAN,\n
500
00:43:11,923 --> 00:43:14,968
THE YELLOWSTONE HAS SURF.
501
00:43:25,228 --> 00:43:31,276
\h\h\h\hA RIVER WAVE ONLY FORMS\NUNDER VERY SPECIFIC CONDITIONS.\n
502
00:43:31,317 --> 00:43:34,403
\h\h\hON THIS AUGUST DAY,\NTHE YELLOWSTONE SPEEDS BY\n
503
00:43:34,445 --> 00:43:37,782
AT MORE THAN 4,000 CUBIC FEET
\h\h\h\h\h\h\h\h\hPER SECOND.\n
504
00:43:40,660 --> 00:43:43,079
HIDDEN JUST BENEATH THE SURFACE,
505
00:43:43,121 --> 00:43:47,167
A ROCKY SHELF ABRUPTLY SLOWS
\h\h\h\h\h\hTHE RIVER’S FLOW\n
506
00:43:47,208 --> 00:43:50,545
AND CREATES A STANDING WAVE
\h\h\h\h\h\h\h\hIN ITS WAKE.\n
507
00:43:50,586 --> 00:44:00,638
♪
508
00:44:00,638 --> 00:44:05,685
♪
509
00:44:05,768 --> 00:44:16,696
♪
510
00:44:16,863 --> 00:44:22,702
♪
511
00:44:25,538 --> 00:44:29,792
\h\hTHE RIVER BRUSHES OFF MANY\NWHO ATTEMPT TO TAME ITS SWELL.\n
512
00:44:36,716 --> 00:44:40,386
BUT THE FORCE OF THE WATER
\h\h\h\hCAN BE HARNESSED.\n
513
00:44:47,393 --> 00:44:51,731
♪
514
00:44:51,772 --> 00:44:55,150
THIS WAVE WILL ONLY LAST
\h\h\h\hFOR A FEW WEEKS.\n
515
00:44:57,778 --> 00:45:01,156
IT’S ONE OF ROUGHLY A DOZEN
\h\h\h\h\h\h\hSTANDING WAVES\n
516
00:45:01,199 --> 00:45:03,785
EVER SURFED ON THE YELLOWSTONE.
517
00:45:08,372 --> 00:45:09,957
THE PHENOMENON IS RARE ENOUGH
518
00:45:09,999 --> 00:45:13,669
THAT SOMETIMES THE HIDDEN GEMS
\h\h\h\h\h\h\hARE KEPT SECRET.\n
519
00:45:13,711 --> 00:45:21,761
♪
520
00:45:21,969 --> 00:45:28,767
EACH YEAR, AS THE WATER LEVELS
VARY, SURF SPOTS COME AND GO.
521
00:45:28,809 --> 00:45:34,398
\h\hBUT UNLIKE AN OCEAN BREAK,\NTHIS IS A NEVER-ENDING RIDE...\n
522
00:45:36,984 --> 00:45:39,778
FOR AS LONG AS THE WAVE LASTS.
523
00:45:39,946 --> 00:45:45,785
♪
524
00:45:45,826 --> 00:45:57,796
♪
525
00:45:57,838 --> 00:46:01,342
[THUNDER]
526
00:46:01,384 --> 00:46:04,804
AUGUST STORMS FILL THE AIR
\h\h\h\hWITH ELECTRICITY.\n
527
00:46:04,971 --> 00:46:06,806
[THUNDER]
528
00:46:06,847 --> 00:46:11,268
♪
529
00:46:11,310 --> 00:46:13,979
AND THE RIVER FLOWS
\hWITH A NEW ENERGY\n
530
00:46:14,021 --> 00:46:18,817
\h\h\h\h\h\hAS IT MOVES\NINTO A DRIER LANDSCAPE.\n
531
00:46:18,985 --> 00:46:20,570
IN EASTERN MONTANA,
532
00:46:20,611 --> 00:46:25,616
\h\h\h\h\hTHE SNOW-CAPPED PEAKS\NOF THE HEADWATERS ARE LONG GONE.\n
533
00:46:25,658 --> 00:46:31,497
\hHERE, THE YELLOWSTONE\NREVEALS ANCIENT STORIES.\n
534
00:46:31,539 --> 00:46:35,001
EACH BAND OF STONE MARKS
\h\hA CHANGING GEOGRAPHY\n
535
00:46:35,042 --> 00:46:38,796
\hSTRETCHING BACK\N65 MILLION YEARS,\n
536
00:46:38,838 --> 00:46:43,885
\h\h\hTO A TIME WHEN THIS WAS A\NTROPICAL SWAMP ON AN INLAND SEA.\n
537
00:46:43,926 --> 00:46:50,141
♪
538
00:46:50,182 --> 00:46:52,059
LIGHT REFLECTED ON THE RIVER
539
00:46:52,101 --> 00:46:55,771
\hLEFT DISTANT GALAXIES\NTHOUSANDS OF YEARS AGO.\n
540
00:46:55,813 --> 00:47:00,568
♪
541
00:47:00,609 --> 00:47:04,905
THE GLOW OF THE AURORA BOREALIS
PAINTS A RIBBON OF COLOR
542
00:47:04,947 --> 00:47:07,366
THAT WINDS THROUGH THE BADLANDS.
543
00:47:07,408 --> 00:47:16,834
♪
544
00:47:19,420 --> 00:47:24,842
ON THE RIVER BOTTOM, A DIFFERENT
GROUP OF SPECIES APPEARS,
545
00:47:24,884 --> 00:47:28,221
CREATURES THAT COEXISTED
\h\hWITH THE DINOSAURS.\n
546
00:47:31,057 --> 00:47:34,727
\h\h\h\h\hTHE SNAPPING TURTLE\NHAS REMAINED NEARLY UNCHANGED\n
547
00:47:34,769 --> 00:47:38,564
FOR MORE THAN 90 MILLION YEARS.
548
00:47:38,606 --> 00:47:43,486
IT EVOLVED FROM TURTLES THAT HAD
NO HARD PROTECTIVE EXTERIOR.
549
00:47:45,738 --> 00:47:49,283
\h\h\h\h\h\hLIKE TODAY’S\NSPINY SOFTSHELL TURTLE,\n
550
00:47:49,325 --> 00:47:51,744
THEY WERE DEFENSELESS.
551
00:47:58,834 --> 00:48:00,627
THE SHOVELNOSE STURGEON
552
00:48:00,669 --> 00:48:05,090
BELONGS TO ONE OF THE EARLIEST
\h\h\hKNOWN FAMILIES OF FISH.\n
553
00:48:05,132 --> 00:48:07,509
ALL OF THESE ANCIENT SPECIES
554
00:48:07,551 --> 00:48:12,598
ARE AT THE FAR WESTERN EDGE
\h\h\h\h\h\hOF THEIR RANGE,\n
555
00:48:12,640 --> 00:48:16,811
\h\hAND THEIR PRESENCE HERE IS\NA HARBINGER OF WHAT’S TO COME.\n
556
00:48:16,852 --> 00:48:21,273
♪
557
00:48:21,315 --> 00:48:23,192
\h\h\h\hTHE YELLOWSTONE\NIS BEGINNING TO RESEMBLE\n
558
00:48:23,234 --> 00:48:27,905
THE WIDE AND MURKY RIVERS
\h\h\hOF THE GREAT PLAINS.\n
559
00:48:27,947 --> 00:48:33,744
♪
560
00:48:33,786 --> 00:48:39,750
SOON AFTER IT CROSSES THE BORDER
FROM MONTANA TO NORTH DAKOTA,
561
00:48:39,792 --> 00:48:42,712
\h\hTHE YELLOWSTONE\NMEETS THE MISSOURI.\n
562
00:48:46,173 --> 00:48:48,967
THEIR STREAMS CONVERGE,
563
00:48:49,009 --> 00:48:51,637
AND THE YELLOWSTONE RIVER ENDS.
564
00:48:51,679 --> 00:48:55,975
♪
565
00:48:56,100 --> 00:48:59,979
\h\h\h\hTOGETHER, THESE WATERS\NWILL TRAVEL NEARLY 3,000 MILES\n
566
00:49:00,020 --> 00:49:04,525
TO THE ATLANTIC OCEAN,
567
00:49:04,567 --> 00:49:08,863
BUT THEIR PATH WILL BE TAME.
568
00:49:08,904 --> 00:49:14,701
THE MISSOURI IS CAREFULLY
\h\h\hCONTROLLED BY DAMS.\n
569
00:49:14,743 --> 00:49:18,997
RESERVOIRS HOLD BACK WATER
\h\hWHERE IT ONCE FLOWED,\n
570
00:49:19,039 --> 00:49:20,707
AND MUCH OF THE WILDLIFE
571
00:49:20,749 --> 00:49:25,796
\h\h\h\h\h\hTHAT THRIVED ACROSS\NAMERICA’S GREAT PLAINS IS GONE.\n
572
00:49:27,423 --> 00:49:29,967
BUT THERE IS A PLACE
\h\hON THIS PRAIRIE\n
573
00:49:30,009 --> 00:49:32,261
WHERE THE PAST IS RETURNING,
574
00:49:32,303 --> 00:49:36,891
IN SMALL HERDS REINTRODUCED
\h\h\h\h\hTO THE GRASSLANDS.\n
575
00:49:36,932 --> 00:49:39,643
[GRUNTING]
576
00:49:43,022 --> 00:49:46,651
BISON GATHER IN LATE SUMMER
\h\h\h\h\h\h\h\hFOR THE RUT.\n
577
00:49:46,692 --> 00:49:52,531
♪
578
00:49:52,573 --> 00:49:57,787
\hBULLS FIGHT FOR DOMINANCE AND\NA CHANCE TO PASS ON THEIR GENES.\n
579
00:49:57,828 --> 00:50:03,334
♪
580
00:50:03,375 --> 00:50:05,752
THE SOUND OF THEIR BATTLES
581
00:50:05,794 --> 00:50:08,672
\h\h\h\h\h\hWAS ONCE HEARD\NACROSS THESE GREAT PLAINS\n
582
00:50:08,714 --> 00:50:11,926
\h\hAND ON EVERY BANK\NOF THE YELLOWSTONE...\n
583
00:50:16,180 --> 00:50:21,519
\h\h\h\hTO ITS VERY BEGINNINGS\NIN YELLOWSTONE NATIONAL PARK.\n
584
00:50:21,560 --> 00:50:31,612
♪
585
00:50:31,612 --> 00:50:37,076
♪
586
00:50:37,243 --> 00:50:39,787
AT THE RIVER’S HEADWATERS,
587
00:50:39,828 --> 00:50:42,080
GIANTS EXCHANGE BLOWS...
588
00:50:42,164 --> 00:50:47,503
♪
589
00:50:47,545 --> 00:50:50,548
\hA RITUAL MARKING\NTHE END OF SUMMER.\n
590
00:50:50,589 --> 00:51:03,685
♪
591
00:51:03,727 --> 00:51:07,814
\h\h\h\h\hBUT LIKE THE RIVER,\NTHE SEASONAL CYCLE CONTINUES.\n
592
00:51:07,856 --> 00:51:12,319
♪
593
00:51:12,361 --> 00:51:16,699
FOR THOSE THAT ENDURED THE RIVER
AT ITS LEAST FORGIVING,
594
00:51:16,740 --> 00:51:20,786
THE TRANQUILITY OF SUMMER
\hIS A WELCOME RESPITE...\n
595
00:51:23,872 --> 00:51:26,041
A TIME OF ABUNDANCE.
596
00:51:28,794 --> 00:51:34,133
\hAS THE SEASONS CHANGE,\NSO, TOO, WILL THE RIVER,\n
597
00:51:34,300 --> 00:51:37,053
A STORY CONSTANTLY IN MOTION
598
00:51:37,094 --> 00:51:40,389
ALONG THE WILD BANKS
OF THE YELLOWSTONE.
599
00:51:45,603 --> 00:51:48,314
IT’S BEEN WELL OVER A CENTURY
\h\h\hSINCE YELLOWSTONE BECAME\n
600
00:51:48,355 --> 00:51:51,108
THE FIRST NATIONAL PARK
\h\h\h\h\hIN THE WORLD.\n
601
00:51:51,150 --> 00:51:55,529
\h\hIT’S TO ALL OUR BENEFIT\NTHAT IT’S PROTECTED FOREVER.\n
602
00:51:55,571 --> 00:51:57,573
\h\h\h\hBUT THIS PLACE\NISN’T FROZEN IN TIME.\n
603
00:51:57,615 --> 00:52:00,868
\hIT’S ALWAYS CHANGING,\NREVEALING NEW MYSTERIES.\n
604
00:52:00,909 --> 00:52:04,746
\h\h\hYELLOWSTONE IS A REMINDER\NTHAT PRESERVING OUR WILD SPACES\n
605
00:52:04,788 --> 00:52:08,500
ISN’T JUST FOR WILD ANIMALS,
\h\h\hBUT IT’S ALSO FOR US,\n
606
00:52:08,542 --> 00:52:10,919
IF WE KEEP LOOKING AFTER IT.
607
00:52:10,961 --> 00:52:15,146
THANKS FOR WATCHING
"EPIC YELLOWSTONE."
45190
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