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HI, I’M BILL PULLMAN.
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THE FILM YOU’RE ABOUT TO SEE
3
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REVEALS A SIDE OF YELLOWSTONE
\h\h\h\h\hTHAT FEW APPRECIATE,\n
4
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\hSOARING OVER THE PARK\NWITH A BIRD’S-EYE VIEW.\n
5
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\h\h\hIN THE SHADOW\NOF BISON AND BEARS,\n
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BIRDS LIVE A COMPLEX
AND FASCINATING LIFE
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IN ALL OF YELLOWSTONE’S
\h\h\h\h\h\h\hHABITATS.\n
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THERE’S A FAMILY OF OSPREYS
NESTING HUNDREDS OF FEET UP
9
00:00:23,398 --> 00:00:25,859
ON A TINY COLUMN OF ROCK
10
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\h\h\h\h\hOVERLOOKING\NTHE YELLOWSTONE FALLS.\n
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THERE’S A MOMENT WHEN THE CHICKS
ARE READY TO TAKE OFF
12
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FOR THEIR FIRST FLIGHT.
13
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\h\h\h\hIT’S A RARE GLIMPSE\NOF THE DRAMA THAT PLAYS OUT\n
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\hIN NESTS HIDDEN\NALL OVER THE PARK.\n
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THIS IS THE STORY OF
YELLOWSTONE’S BIRDS,
16
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LIFE ON THE WING.
17
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♪
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\hIT’S HOME TO BIRDS\NOF EVERY FEATHER...\n
19
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[THRUMMING]
20
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[CHIRPING]
21
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DRAWN TO ITS WILDEST REACHES.
22
00:01:00,602 --> 00:01:03,480
HUNTERS PATROL THE CANYONS.
23
00:01:08,235 --> 00:01:11,655
PROTECTORS STAND GUARD
\h\h\hIN THE WETLANDS.\n
24
00:01:12,823 --> 00:01:14,575
[CROAKING AND CHIRPING]
25
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PROVIDERS TOIL IN THE FORESTS.
26
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\h\h\h\h\hTHESE ARE THE WINGS\NTHAT SOAR OVER YELLOWSTONE...\n
27
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GATHERING FROM DISTANT HORIZONS
28
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TO MAKE THE MOST OF SUMMER’S
\h\h\h\h\h\hBRIEF ABUNDANCE.\n
29
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♪
30
00:01:44,354 --> 00:01:46,565
[CHIRPING]
31
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THEY MUST SURVIVE
\hAMONG GIANTS...\n
32
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IN A PLACE WHERE WINTER
\h\h\hIS NEVER FAR AWAY.\n
33
00:01:59,119 --> 00:02:03,248
♪
34
00:02:03,290 --> 00:02:06,919
A SINGLE PURPOSE
DRIVES THEM ON--
35
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\h\hAN URGENT NEED\NTHEY MUST FULFILL.\n
36
00:02:10,047 --> 00:02:12,466
[SCREECHING]
37
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\h\hTO SEIZE OPPORTUNITY\NIN THE SEASON OF PLENTY\n
38
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\h\h\h\hAND GIVE FLIGHT\NTO THE NEXT GENERATION.\n
39
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♪
40
00:02:34,237 --> 00:02:37,699
[CHIRPING]
41
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[SQUAWKING]
42
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A WINTER MORNING IN YELLOWSTONE.
43
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WARMTH AND COLOR ARE GONE.
44
00:03:00,347 --> 00:03:04,059
BUT A SINGLE SONG FILLS THE AIR.
45
00:03:04,101 --> 00:03:08,606
[TWITTERING]
46
00:03:12,359 --> 00:03:14,987
WEARING TINY SLIPPERS OF ICE,
47
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THE DIPPER IS UNDETERRED
BY SUBZERO TEMPERATURES.
48
00:03:22,536 --> 00:03:24,329
RAPIDS ON THE YELLOWSTONE RIVER
49
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\h\h\hHAVE FROZEN INTO\NA SLIPPERY STAIRCASE.\n
50
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PERFECT HUNTING GROUNDS
\h\h\h\hFOR THE DIPPER.\n
51
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♪
52
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\h\h\h\h\h\hNORTH AMERICA’S\NONLY TRULY AQUATIC SONGBIRD\n
53
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DIVES BENEATH THE ICE
54
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\h\hIN SEARCH OF INSECT LARVAE\NHIDING ON THE ROCKY RIVER BED.\n
55
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ITS WATERPROOF FEATHERS
\h\hPROTECT A DOWNY COAT\n
56
00:03:59,364 --> 00:04:02,826
AS IT PROBES UNDER PEBBLES
\h\hIN THE SWIFT CURRENT.\n
57
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♪
58
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FEW BIRDS REMAIN IN YELLOWSTONE
THROUGH THE BITTER WINTER.
59
00:04:17,549 --> 00:04:21,678
\h\h\h\hRESIDENT BALD EAGLES\NARE RESOURCEFUL SCAVENGERS,\n
60
00:04:21,720 --> 00:04:24,848
FLYING VAST DISTANCES
\hIN SEARCH OF MEALS.\n
61
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RAVENS TRACK WOLVES,
62
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LOOTING THEIR KILLS.
63
00:04:35,734 --> 00:04:40,072
\h\h\h\h\hAND ALONE ON THIS\NTINY STRETCH OF OPEN WATER,\n
64
00:04:40,113 --> 00:04:42,991
THE DIPPER THRIVES
\h\hAMONG THE ICE.\n
65
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BUT SOON ITS SOLITARY WINTER
\h\h\h\h\h\h\h\hON THE RIVER\n
66
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WILL COME TO AN END.
67
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♪
68
00:05:01,927 --> 00:05:03,762
[HONK HONK]
69
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[CHIRPING]
70
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AS THE DAYS GROW LONGER,
71
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A CHORUS GRADUALLY RETURNS
\h\h\h\h\hTO YELLOWSTONE.\n
72
00:05:17,400 --> 00:05:31,372
[BIRDS CALLING]
73
00:05:31,540 --> 00:05:34,209
SPRING IS THE SEASON
\h\h\hOF ARRIVAL...\n
74
00:05:37,087 --> 00:05:40,048
[HONKING]
75
00:05:40,090 --> 00:05:41,967
OF EMERGENCE...
76
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[CHIRPING]
77
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[HONKING]
78
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A CONCERT OF NEW LIFE.
79
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[TRILLING]
80
00:05:57,440 --> 00:06:00,193
[SQUAWKING]
81
00:06:00,235 --> 00:06:05,407
\h\h\hRISING ABOVE IT ALL\NIS AN UNMISTAKABLE SOUND.\n
82
00:06:05,448 --> 00:06:12,246
[WARBLING]
83
00:06:12,289 --> 00:06:14,625
A PAIR OF SANDHILL CRANES,
84
00:06:14,666 --> 00:06:16,126
EARLY MIGRANTS
85
00:06:16,167 --> 00:06:19,003
FROM THEIR WINTER RANGE
\h\h\hIN THE SOUTHWEST.\n
86
00:06:19,045 --> 00:06:20,463
[WARBLING]
87
00:06:20,505 --> 00:06:24,426
\h\h\hTHEY’VE LANDED\NIN GRIZZLY TERRITORY\n
88
00:06:24,509 --> 00:06:26,428
IN A HIGH ALPINE MEADOW.
89
00:06:27,554 --> 00:06:29,890
THEY MUST BE CAUTIOUS,
90
00:06:29,931 --> 00:06:32,267
\h\h\hBUT THEY DON’T\NHAVE TIME TO WASTE.\n
91
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THEY’RE HERE TO TAKE ADVANTAGE
92
00:06:35,770 --> 00:06:40,441
\h\h\h\h\h\hOF YELLOWSTONE’S\NBRIEF SEASON OF ABUNDANCE--\n
93
00:06:40,483 --> 00:06:42,360
A RACE...
94
00:06:42,402 --> 00:06:46,323
TO BREED AND REAR THEIR YOUNG
\h\h\hBEFORE THE COLD RETURNS.\n
95
00:06:53,997 --> 00:06:59,127
EACH SPRING, THE SANDHILL CRANES
REVIVE THEIR COURTSHIP.
96
00:06:59,169 --> 00:07:02,798
[WARBLING]
97
00:07:02,839 --> 00:07:04,466
A DANCE.
98
00:07:04,591 --> 00:07:06,676
[BEAR GROANS]
99
00:07:09,804 --> 00:07:12,432
\hTHEY COORDINATE\NTHEIR MOVEMENTS...\n
100
00:07:14,517 --> 00:07:15,476
[WARBLING]
101
00:07:15,560 --> 00:07:17,479
AND CALL IN UNISON.
102
00:07:17,520 --> 00:07:19,689
[WARBLING]
103
00:07:23,610 --> 00:07:28,281
SHE TILTS HER BILL SKYWARD
IN SIGNAL OF READINESS...
104
00:07:29,616 --> 00:07:30,867
[WARBLES]
105
00:07:30,909 --> 00:07:34,037
\h\hAND THE CRANES\NRENEW THEIR UNION.\n
106
00:07:34,079 --> 00:07:39,793
[WARBLING]
107
00:07:42,087 --> 00:07:45,215
\h\h\hNOW THEY CAN BEGIN\NTHEIR SEARCH FOR A HOME.\n
108
00:07:45,256 --> 00:07:49,260
\h\h\h\h\h\hTHE GROUND NESTERS\NWILL SEEK A SECLUDED WETLAND,\n
109
00:07:49,302 --> 00:07:52,430
\h\h\hOUT OF THE WAY\NOF CURIOUS ONLOOKERS\n
110
00:07:52,472 --> 00:07:53,890
AND POTENTIAL PREDATORS.
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♪
112
00:08:07,362 --> 00:08:11,241
\h\h\h\h\h\h\h\hFOR SANDHILLS,\NA MATE IS A PARTNER FOR LIFE.\n
113
00:08:13,493 --> 00:08:14,786
BUT FOR OTHERS,
114
00:08:14,828 --> 00:08:17,998
COUPLING CAN BE A QUICK
\h\hAND DRAMATIC AFFAIR.\n
115
00:08:20,583 --> 00:08:24,212
JUST OUTSIDE OF YELLOWSTONE’S
\h\h\h\h\h\hWESTERN BOUNDARY,\n
116
00:08:24,254 --> 00:08:28,967
\h\hA REMOTE VALLEY OPENS UP TO\NA VAST EXPANSE OF SAGE MEADOWS.\n
117
00:08:29,009 --> 00:08:40,187
♪
118
00:08:40,228 --> 00:08:49,195
♪
119
00:08:49,237 --> 00:08:55,910
[THRUMMING]
120
00:08:55,952 --> 00:08:58,496
AN INTRIGUING SOUND
121
00:08:58,538 --> 00:09:01,666
DRAWS A FEMALE SAGE GROUSE
\h\hTO A SPRING GATHERING.\n
122
00:09:06,796 --> 00:09:10,383
AND SHE’S NOT THE ONLY ONE
\h\h\h\h\h\hWHO HEARS IT.\n
123
00:09:10,425 --> 00:09:14,804
\h\h\h\hALL ACROSS THE MEADOW,\NHENS ARE CONVERGING ON A LEK,\n
124
00:09:14,846 --> 00:09:17,974
A STAGE WHERE MALES
DISPLAY THEIR WARES.
125
00:09:19,059 --> 00:09:22,020
THE HEN PERUSES THE OFFERINGS,
126
00:09:22,062 --> 00:09:24,606
JUDGING EVERY DETAIL.
127
00:09:24,647 --> 00:09:28,609
A FANCY FAN OF TAIL FEATHERS...
128
00:09:28,693 --> 00:09:31,613
BRIGHT YELLOW EYE-COMBS...
129
00:09:31,696 --> 00:09:33,489
ERECT PLUMAGE...
130
00:09:35,617 --> 00:09:38,620
A LARGE BREAST POUCH.
131
00:09:38,661 --> 00:09:43,291
BUT MOST IMPORTANT TO THE HEN
\h\h\h\h\h\h\h\hIS THE SOUND.\n
132
00:09:43,333 --> 00:09:47,629
\h\h\h\h\hA COURTING CALL\NPRODUCED FROM HIS AIR SAC,\n
133
00:09:47,670 --> 00:09:49,505
WHICH HE FILLS
134
00:09:49,547 --> 00:09:51,049
AND FLAUNTS.
135
00:09:51,091 --> 00:09:55,637
HIS ELABORATE DISPLAY
ATTRACTS HER INTEREST.
136
00:09:55,678 --> 00:09:58,472
BUT THE MORNING IS YOUNG.
137
00:09:58,515 --> 00:10:01,893
\h\h\h\hAND THE FIELD\NIS FULL OF PROSPECTS.\n
138
00:10:03,019 --> 00:10:05,480
SHE CONTINUES HER REVIEW.
139
00:10:07,524 --> 00:10:10,610
IN CHOOSING THE SHOWIEST MALES,
140
00:10:10,652 --> 00:10:12,237
FEMALE SAGE GROUSE SELECT TRAITS
141
00:10:12,278 --> 00:10:14,822
\hTHAT ARE USEFUL\NONLY IN COURTSHIP.\n
142
00:10:17,534 --> 00:10:21,329
\hBRIGHT DECORATIONS\NAND UNGAINLY POUCHES\n
143
00:10:21,371 --> 00:10:24,332
\h\h\hARE A DISADVANTAGE\NIN A WORLD OF PREDATORS.\n
144
00:10:29,712 --> 00:10:33,216
\h\h\h\h\h\h\hBY SURVIVING\NIN SPITE OF THESE BURDENS,\n
145
00:10:33,258 --> 00:10:37,220
A MALE PROVES THAT HE HAS
\hSTRONG GENES TO PASS ON.\n
146
00:10:38,972 --> 00:10:41,183
AND THE HEN TAKES NOTE.
147
00:10:41,224 --> 00:10:48,732
♪
148
00:10:48,773 --> 00:10:52,652
[THRUMMING]
149
00:10:57,031 --> 00:10:59,075
SHE MAKES HER SELECTION.
150
00:11:07,417 --> 00:11:10,962
BUT THE MALE IS WRAPPED UP
\h\h\hIN HIS PERFORMANCE.\n
151
00:11:12,672 --> 00:11:14,799
HE KEEPS ON STRUTTING.
152
00:11:17,719 --> 00:11:20,680
AND SOMEONE ELSE
CATCHES HER EYE.
153
00:11:23,474 --> 00:11:25,476
A RIVAL,
154
00:11:25,518 --> 00:11:27,186
READY TO COMPETE.
155
00:11:30,940 --> 00:11:33,484
THE STANDOFF BEGINS
\h\hWITH POSTURING.\n
156
00:11:33,526 --> 00:11:36,612
[CLUCKING]
157
00:11:36,654 --> 00:11:38,948
THE MALES SIZE EACH OTHER UP.
158
00:11:40,575 --> 00:11:42,827
IT’S AN EVEN MATCH.
159
00:11:44,579 --> 00:11:49,459
AND BACKING DOWN NOW WOULD MEAN
LOSING THE CHANCE TO BREED.
160
00:11:49,500 --> 00:12:04,098
♪
161
00:12:04,140 --> 00:12:09,312
♪
162
00:12:09,354 --> 00:12:11,398
[CLUCKING]
163
00:12:11,439 --> 00:12:19,489
♪
164
00:12:19,530 --> 00:12:22,783
\h\h\h\hTHE RIVAL CLAIMS\NA BEAK FULL OF FEATHERS,\n
165
00:12:22,825 --> 00:12:26,078
AND WITH IT, VICTORY.
166
00:12:26,120 --> 00:12:28,831
HIS OPPONENT LOSES HIS CHANCE.
167
00:12:31,542 --> 00:12:35,588
THE WINNER BRIEFLY SERVES
\h\h\h\hHIS ONLY PURPOSE,\n
168
00:12:35,630 --> 00:12:39,092
PASSING HIS SUPERIOR STRENGTHS
\h\h\h\h\hTO THEIR OFFSPRING.\n
169
00:12:39,133 --> 00:12:42,928
BUT THE FEMALE SAGE GROUSE
\h\hWILL RAISE THEM ALONE.\n
170
00:12:47,141 --> 00:12:51,395
\h\h\h\h\hLATE SPRING WARMS\NYELLOWSTONE’S HIGH COUNTRY,\n
171
00:12:51,437 --> 00:12:55,232
\h\h\h\h\hMELTING THE SNOWPACK\NAND REVEALING FIELDS OF GREEN.\n
172
00:12:55,275 --> 00:13:05,869
♪
173
00:13:05,910 --> 00:13:11,124
BILLIONS OF GALLONS OF WATER
DRAIN INTO YELLOWSTONE LAKE
174
00:13:11,165 --> 00:13:13,084
AND POUR OVER THE FALLS.
175
00:13:16,713 --> 00:13:18,840
IN A MATTER OF WEEKS,
176
00:13:18,881 --> 00:13:23,803
THE YELLOWSTONE RIVER SURGES
TO 25 TIMES ITS WINTER FLOW.
177
00:13:25,346 --> 00:13:28,808
THE ANNUAL SPRING FLOOD
\h\h\h\h\h\hIS UNDERWAY.\n
178
00:13:30,310 --> 00:13:33,897
THE DIPPER’S HUNTING GROUNDS
\h\h\h\h\h\hARE TRANSFORMED.\n
179
00:13:35,356 --> 00:13:38,234
[CHIRPING]
180
00:13:38,276 --> 00:13:41,988
AND NEW NEIGHBORS HAVE MOVED IN.
181
00:13:42,030 --> 00:13:44,199
HARLEQUIN DUCKS.
182
00:13:52,373 --> 00:13:54,876
[QUACKING]
183
00:13:54,959 --> 00:13:56,169
LIKE THE DIPPERS,
184
00:13:56,210 --> 00:13:58,254
\hHARLEQUIN DUCKS\NAVOID COMPETITION\n
185
00:13:58,296 --> 00:14:03,593
BY EXPLOITING A PLACE
\h\h\hFEW OTHERS CAN--\n
186
00:14:03,634 --> 00:14:05,594
THE WHITEWATER.
187
00:14:10,808 --> 00:14:12,893
BENEATH THE RAGING RAPIDS,
188
00:14:12,977 --> 00:14:16,856
AQUATIC INSECTS GROW LARGE
IN THE OXYGENATED WATERS.
189
00:14:16,898 --> 00:14:28,910
♪
190
00:14:28,951 --> 00:14:30,411
THE DUCKS HAVE ARRIVED
191
00:14:30,453 --> 00:14:33,164
FROM WINTERING GROUNDS
ON THE PACIFIC COAST.
192
00:14:35,041 --> 00:14:38,503
\h\h\hLIFELONG PARTNERS\NARE PREPARING TO BREED.\n
193
00:14:43,466 --> 00:14:45,843
BUT SOME DUCKS HAVE NO MATES.
194
00:14:47,345 --> 00:14:50,682
THE PAIRED HARLEQUINS
\h\hMUST BE WATCHFUL.\n
195
00:14:53,643 --> 00:14:55,812
[CALLING]
196
00:14:57,897 --> 00:14:59,941
IN THE CHAOS OF THE RAPIDS,
197
00:15:00,024 --> 00:15:03,528
BACHELOR MALES TEST THE STRENGTH
OF THE ESTABLISHED COUPLE.
198
00:15:10,284 --> 00:15:12,203
THEY RUSH THE FEMALE,
199
00:15:12,245 --> 00:15:14,748
WORKING TO SEPARATE HER
\h\h\h\h\hFROM HER MATE.\n
200
00:15:16,416 --> 00:15:19,252
\h\h\hTHE MALE MUST\NDRIVE AWAY INTRUDERS\n
201
00:15:19,293 --> 00:15:20,961
WHILE GUARDING HIS PARTNER.
202
00:15:21,087 --> 00:15:30,972
♪
203
00:15:31,013 --> 00:15:32,973
[CHIRPING]
204
00:15:33,015 --> 00:15:41,148
♪
205
00:15:41,190 --> 00:15:45,152
TOGETHER, THEY WARD OFF
\h\h\h\hCONSTANT ATTACKS\n
206
00:15:45,194 --> 00:15:47,571
UNTIL THEY SUCCESSFULLY BREED.
207
00:15:47,613 --> 00:15:49,782
[CALLING]
208
00:15:58,624 --> 00:16:03,170
[TWITTERING]
209
00:16:05,214 --> 00:16:08,092
THE RITUALS OF SPRING
\h\h\h\hIN YELLOWSTONE\n
210
00:16:08,134 --> 00:16:10,011
UNFOLD IN A STEADY RHYTHM.
211
00:16:10,178 --> 00:16:16,184
[THUNDER]
212
00:16:16,225 --> 00:16:20,479
\h\h\h\hBUT THE SEASON HERE\NIS ANYTHING BUT PREDICTABLE.\n
213
00:16:25,776 --> 00:16:29,029
EVERYTHING CAN CHANGE
\h\h\h\h\hIN A MOMENT.\n
214
00:16:33,034 --> 00:16:34,536
[CALLING]
215
00:16:34,577 --> 00:16:37,038
\h\h\h\h\h\hMORE THAN HALF\NOF YELLOWSTONE’S WETLANDS\n
216
00:16:37,205 --> 00:16:38,623
ARE SEASONAL.
217
00:16:39,916 --> 00:16:41,209
[GEESE HONKING]
218
00:16:41,250 --> 00:16:43,043
THEY FILL WITH SPRING MELT,
219
00:16:43,169 --> 00:16:44,962
THEN VANISH IN THE SUMMER HEAT.
220
00:16:47,632 --> 00:16:51,052
AS THESE EPHEMERAL MARSHES
\h\h\h\h\h\hCOME TO LIFE,\n
221
00:16:51,135 --> 00:16:54,889
THEY PROVIDE POCKETS OF HABITAT
FOR THE RETURNING BIRDS.
222
00:17:00,811 --> 00:17:03,856
USING LAST YEAR’S REEDS
\h\h\h\h\h\hAND SEDGES,\n
223
00:17:03,898 --> 00:17:06,275
THE SANDHILL CRANES
\hHAVE BUILT A NEST.\n
224
00:17:07,818 --> 00:17:11,530
\h\hA MOAT OF WATER\NPROTECTS THEIR SITE.\n
225
00:17:11,572 --> 00:17:16,202
BUT THE MARSH OFFERS NO SHELTER
FROM THE SUDDEN SPRING SNOW.
226
00:17:18,412 --> 00:17:21,624
THE PARENTS-TO-BE TAKE SHIFTS,
227
00:17:21,666 --> 00:17:24,502
\h\h\h\h\h\h\h\hGUARDING TWO\NTEMPERATURE-SENSITIVE EGGS.\n
228
00:17:26,712 --> 00:17:29,465
THEY MUST TRADE POSTS QUICKLY.
229
00:17:29,507 --> 00:17:32,510
THE WARMTH OF THEIR BODIES
\h\h\h\hWILL GIVE THE EGGS\n
230
00:17:32,552 --> 00:17:36,097
\h\h\h\hTHEIR ONLY CHANCE\NOF SURVIVING THE BLIZZARD.\n
231
00:17:36,138 --> 00:17:44,480
♪
232
00:17:44,522 --> 00:17:48,693
BIRDS THAT LAY THEIR EGGS EARLY
GIVE THEIR CHICKS A HEAD START.
233
00:17:50,194 --> 00:17:53,447
BUT THEY MUST COMMIT TO ENDURING
THE LATE SPRING STORMS,
234
00:17:53,489 --> 00:17:55,116
OR LOSE EVERYTHING.
235
00:17:55,324 --> 00:17:57,535
[WARBLING]
236
00:17:57,577 --> 00:18:07,921
♪
237
00:18:07,962 --> 00:18:18,973
♪
238
00:18:19,015 --> 00:18:22,018
AS THE SNOWFALL ACCUMULATES,
239
00:18:22,059 --> 00:18:23,852
MAMMALS CONTINUE TO MOVE.
240
00:18:25,187 --> 00:18:27,898
BISON PUSH TOWARD
\hSUMMER PASTURE.\n
241
00:18:31,861 --> 00:18:33,529
GRIZZLIES FORAGE,
242
00:18:33,571 --> 00:18:36,657
MAKING UP FOR CALORIES LOST
\h\h\h\hDURING HIBERNATION.\n
243
00:18:39,160 --> 00:18:42,830
\h\hBUT THE BIRDS ARE BOUND\NTO THE NEST AS GUARDIANS...\n
244
00:18:45,207 --> 00:18:47,793
BURIED BY RESPONSIBILITY.
245
00:18:52,506 --> 00:18:54,425
EXPOSED IN THE STORM,
246
00:18:54,467 --> 00:18:58,471
AN EMPTY NEST BALANCES
ON A PILLAR OF STONE.
247
00:19:03,601 --> 00:19:06,771
PERCHED HUNDREDS OF FEET
\h\h\h\hABOVE THE RIVER,\n
248
00:19:06,812 --> 00:19:10,190
\h\hIT’S BUFFETED BY THE WIND\NTHAT HOWLS THROUGH THE CANYON\n
249
00:19:10,274 --> 00:19:14,236
AT THE BASE OF YELLOWSTONE’S
\h\h\h\hICONIC LOWER FALLS.\n
250
00:19:19,283 --> 00:19:21,202
IN THESE CONDITIONS,
251
00:19:21,243 --> 00:19:24,204
IT’S NO PLACE FOR AN OSPREY
\h\h\h\h\hTO KEEP EGGS WARM.\n
252
00:19:31,796 --> 00:19:34,215
[CALLING]
253
00:19:34,423 --> 00:19:37,509
BUT SHE MUST TAKE A GAMBLE.
254
00:19:37,551 --> 00:19:39,636
IF SHE WAITS ANY LONGER
\h\h\h\h\h\h\hTO BREED,\n
255
00:19:39,679 --> 00:19:42,348
HER CHICKS WON’T HAVE TIME
\h\h\h\hTO GROW AND FLEDGE\n
256
00:19:42,390 --> 00:19:44,309
BEFORE THEIR FALL MIGRATION.
257
00:19:44,350 --> 00:19:47,436
[CALLING]
258
00:19:47,478 --> 00:19:50,314
SO, IN SPITE OF THE BLIZZARD,
259
00:19:50,356 --> 00:19:53,568
SHE CALLS IN HER MATE.
260
00:19:53,609 --> 00:19:56,028
♪
261
00:19:56,070 --> 00:19:57,238
[CHIRP]
262
00:19:57,279 --> 00:20:06,038
♪
263
00:20:06,080 --> 00:20:12,086
[CHIRPING]
264
00:20:12,128 --> 00:20:13,880
♪
265
00:20:13,921 --> 00:20:15,297
THIS PAIR’S LEGACY
266
00:20:15,339 --> 00:20:17,424
IS NOW AT THE MERCY
\h\hOF THE ELEMENTS.\n
267
00:20:17,466 --> 00:20:20,552
[CHIRPING]
268
00:20:20,594 --> 00:20:24,348
\h\h\hFOR THEIR EGGS TO SURVIVE,\NTHE WEATHER MUST CHANGE QUICKLY.\n
269
00:20:24,390 --> 00:20:25,933
[CHIRPING]
270
00:20:27,476 --> 00:20:30,229
AND IN YELLOWSTONE,
\h\h\hIT OFTEN DOES.\n
271
00:20:34,900 --> 00:20:45,619
[THUNDER]
272
00:20:45,661 --> 00:20:47,580
THE MOUNTAIN BLUEBIRD
273
00:20:47,621 --> 00:20:50,290
\h\h\h\h\hCAN TAKE NO CHANCES\NIN THE FICKLE SPRING WEATHER.\n
274
00:20:50,416 --> 00:20:54,295
[THUNDER]
275
00:20:54,378 --> 00:21:00,134
\hAT THE EDGE OF A FOREST\NSTANDS A GNARLED FIR TREE.\n
276
00:21:00,176 --> 00:21:02,387
ITS DAYS ARE NUMBERED.
277
00:21:02,428 --> 00:21:05,806
BUT STILL, IT NURTURES LIFE.
278
00:21:08,642 --> 00:21:10,644
ITS HOLLOWED REFUGE
279
00:21:10,686 --> 00:21:13,981
HOLDS THE BLUEBIRD’S MATE
\h\h\h\h\hAND THEIR EGGS,\n
280
00:21:14,023 --> 00:21:18,486
\hSHELTERING THEM\NFROM THE EXTREMES.\n
281
00:21:18,527 --> 00:21:20,070
[CHIRPING]
282
00:21:22,031 --> 00:21:25,660
\h\h\h\h\h\hAFTER 10 DAYS\NOF INCUBATING HER CLUTCH,\n
283
00:21:25,701 --> 00:21:27,620
THE BLUEBIRD IS RESTLESS,
284
00:21:27,661 --> 00:21:31,248
\h\hAND BENEATH HER,\NSHE FEELS STIRRINGS.\n
285
00:21:32,291 --> 00:21:36,086
♪
286
00:21:36,128 --> 00:21:39,798
A TREE IS A WONDERFUL PLACE
TO HIDE FROM THE BIG WORLD.
287
00:21:42,468 --> 00:21:45,972
\h\h\hBUT CLIMBING BACK DOWN\NTO THE GROUND CAN BE TRICKY.\n
288
00:21:50,309 --> 00:21:52,061
WHILE THEIR MOTHER WAS FORAGING,
289
00:21:52,102 --> 00:21:58,609
\hTWO TINY BLACK BEAR CUBS\NHID STASHED IN THE CANOPY,\n
290
00:21:58,651 --> 00:22:00,403
\h\h\h\hOUT OF THE PATH\NOF AGGRESSIVE GRIZZLIES\n
291
00:22:00,444 --> 00:22:02,655
THAT ROAM THE MEADOWS.
292
00:22:05,407 --> 00:22:08,744
\h\h\hSHE RETRIEVES THEM\NWHEN IT’S TIME TO NURSE.\n
293
00:22:08,786 --> 00:22:20,381
♪
294
00:22:20,422 --> 00:22:22,549
THE BLUEBIRD SUMMONS HIS MATE.
295
00:22:22,591 --> 00:22:25,719
[CHIRPING]
296
00:22:25,761 --> 00:22:27,388
HE DELIVERS HIS GIFT--
297
00:22:27,555 --> 00:22:29,265
A FAT CATERPILLAR,
298
00:22:29,306 --> 00:22:31,183
THE BLUEBIRD’S FAVORITE MEAL.
299
00:22:34,562 --> 00:22:35,396
[CHIRPING]
300
00:22:35,563 --> 00:22:37,648
HIS SONG, SUNG FOR HER,
301
00:22:37,690 --> 00:22:41,360
REASSURES HER THAT ALL IS WELL
\h\h\h\h\h\hOUTSIDE THE NEST.\n
302
00:22:41,402 --> 00:22:44,238
♪
303
00:22:44,280 --> 00:22:47,033
[CHIRPING]
304
00:22:49,201 --> 00:22:52,788
\h\h80% OF YELLOWSTONE\NIS COVERED IN FOREST.\n
305
00:22:52,830 --> 00:22:57,877
\h\h\hITS EDGES PROVIDE BOTH\NPROTECTION AND OPPORTUNITY.\n
306
00:22:57,918 --> 00:23:03,215
♪
307
00:23:03,257 --> 00:23:04,467
[CUB SCREECHING]
308
00:23:05,968 --> 00:23:09,430
AS THE CUBS BEGIN TO EXPLORE
\h\h\h\h\hTHE RICH HABITAT,\n
309
00:23:09,513 --> 00:23:11,015
THEIR MOTHER WILL TEACH THEM
310
00:23:11,056 --> 00:23:14,977
THE RESOURCEFULNESS
\hOF THE OMNIVORE...\n
311
00:23:15,019 --> 00:23:17,438
[SCREECHING]
312
00:23:17,479 --> 00:23:21,441
\h\h\h\h\hSEEKING OUT MEALS\NWHEREVER THEY CAN BE FOUND.\n
313
00:23:21,483 --> 00:23:25,988
[CHIRPING]
314
00:23:26,030 --> 00:23:31,452
\h\h\h\h\hALL ALONG THEIR ROUTE,\NTHE NEIGHBORS KEEP CLOSE WATCH.\n
315
00:23:31,577 --> 00:23:32,953
[SQUAWK]
316
00:23:36,206 --> 00:23:38,417
\h\hTHERE’S A REASON\NTHE NORTHERN FLICKER\n
317
00:23:38,459 --> 00:23:43,422
CHOOSES A HOME WITH STURDY WALLS
AND A VERY SMALL DOOR.
318
00:23:43,464 --> 00:23:54,433
♪
319
00:23:54,475 --> 00:23:57,478
[CHIRPING]
320
00:23:57,561 --> 00:24:02,024
THE BLACK BEAR’S SHORT CLAWS
\hMAKE HER AN AGILE CLIMBER.\n
321
00:24:05,444 --> 00:24:09,657
[GROANING]
322
00:24:09,698 --> 00:24:11,283
SHE CAN HEAR THE FLICKER
323
00:24:11,325 --> 00:24:13,577
\h\h\hAND ITS CHICKS\NMOVING IN THE NEST.\n
324
00:24:13,619 --> 00:24:17,248
[BIRD CHIRPING]
325
00:24:18,457 --> 00:24:25,172
[CHIRPING]
326
00:24:25,214 --> 00:24:29,301
BUT TRY AS SHE MIGHT,
SHE CAN’T GET TO THEM.
327
00:24:29,343 --> 00:24:32,096
\h\h\hTHE PROTECTION\NOF THE CAVITY HOLDS.\n
328
00:24:41,021 --> 00:24:42,356
[CHIRPING]
329
00:24:43,732 --> 00:24:45,525
AND EVERYONE CAN RELAX.
330
00:24:45,567 --> 00:24:47,444
[CALLS]
331
00:24:47,486 --> 00:24:50,322
[GROANING]
332
00:24:50,364 --> 00:24:55,452
[CHIRPING]
333
00:24:55,494 --> 00:24:57,538
AFTER TWO WEEKS OF INCUBATION,
334
00:24:57,663 --> 00:25:00,541
THE BABY BLUEBIRDS BEGIN TO PUSH
AGAINST THEIR SHELLS.
335
00:25:00,624 --> 00:25:01,834
[CHIRPING]
336
00:25:01,875 --> 00:25:04,544
\hTHEIR MOTHER CALLS\NWITH ENCOURAGEMENT.\n
337
00:25:04,753 --> 00:25:07,881
\h\h\h\h\hMAYBE TONIGHT\NSHE’LL MEET HER CHICKS.\n
338
00:25:19,935 --> 00:25:24,857
MELTING SNOW AND FALLING RAIN
\h\h\hHAVE REVIVED THE MARSH.\n
339
00:25:29,695 --> 00:25:32,198
[CROAKING]
340
00:25:32,239 --> 00:25:35,576
ALL AROUND THE CRANE,
\hTHE WETLAND WAKES...\n
341
00:25:35,743 --> 00:25:42,583
[CROAKING]
342
00:25:42,624 --> 00:25:44,626
FILLS WITH SOUND.
343
00:25:44,668 --> 00:25:47,588
[CROAKING]
344
00:25:47,671 --> 00:25:51,550
[SCREECHING]
345
00:25:51,592 --> 00:25:53,594
[SQUAWKING]
346
00:25:53,677 --> 00:25:55,762
SHE’S SAT THROUGH THE NIGHT
347
00:25:55,804 --> 00:25:58,598
AND WAITS TO BE RELIEVED
\h\h\h\h\h\hBY HER MATE.\n
348
00:25:58,766 --> 00:26:03,437
[SCREECHING]
349
00:26:03,479 --> 00:26:05,231
BUT HE’S LATE.
350
00:26:06,732 --> 00:26:10,486
IN HIS APPROACH,
HE’S TRESPASSED.
351
00:26:15,407 --> 00:26:18,911
\hTHE RED-WING BLACKBIRD\NIS FIERCELY TERRITORIAL.\n
352
00:26:18,952 --> 00:26:24,374
[CHIRPING AND WARBLING]
353
00:26:24,416 --> 00:26:25,626
AND IT HAS BACKUP.
354
00:26:25,834 --> 00:26:30,213
[CHIRPING]
355
00:26:30,255 --> 00:26:39,139
♪
356
00:26:39,181 --> 00:26:43,394
\h\hWHEN HE FINALLY ARRIVES,\NHE’S MET WITH HIS NEW TASK.\n
357
00:26:43,435 --> 00:26:54,446
♪
358
00:26:54,488 --> 00:26:56,490
PARENTING.
359
00:26:56,532 --> 00:27:05,458
♪
360
00:27:05,499 --> 00:27:07,501
ONLY HOURS OLD,
361
00:27:07,543 --> 00:27:09,670
THE COLT STANDS,
362
00:27:09,753 --> 00:27:11,964
READY TO MEET ITS PROTECTOR.
363
00:27:13,715 --> 00:27:16,885
[WARBLING]
364
00:27:16,927 --> 00:27:19,179
THE CRANES REAFFIRM THEIR BOND
365
00:27:19,221 --> 00:27:22,683
AS THEY EMBARK ON THIS NEW PHASE
OF THEIR UNION...
366
00:27:22,724 --> 00:27:25,435
[WARBLING]
367
00:27:25,477 --> 00:27:27,896
THE CARE OF A TINY COLT.
368
00:27:35,487 --> 00:27:39,116
IN THE NEST, A SECOND EGG
\h\h\hHASN’T YET HATCHED.\n
369
00:27:42,327 --> 00:27:46,581
BUT CONCERN FOR THE EGG
IS QUICKLY PUSHED ASIDE
370
00:27:46,623 --> 00:27:48,750
BY MORE PRESSING DANGER.
371
00:27:48,792 --> 00:27:59,428
♪
372
00:27:59,469 --> 00:28:01,304
[WARBLING]
373
00:28:01,346 --> 00:28:05,934
\h\h\h\h\hA LIFE ON THE GROUND\NMEANS A LIFE AMONG PREDATORS.\n
374
00:28:08,020 --> 00:28:11,148
THE SANDHILL CRANES
MEET DANGER HEAD ON,
375
00:28:11,190 --> 00:28:14,735
PUTTING THEMSELVES BETWEEN
THE COYOTE AND THEIR NEST.
376
00:28:14,776 --> 00:28:18,280
[WARBLING]
377
00:28:18,322 --> 00:28:21,450
\hBUT IN THEIR EFFORT\NTO DEFEND THEIR CHICK,\n
378
00:28:21,491 --> 00:28:24,744
\h\hTHE PARENTS HAVE EXPOSED\NTHE COLT TO ANOTHER THREAT.\n
379
00:28:24,912 --> 00:28:29,041
♪
380
00:28:29,082 --> 00:28:33,587
\h\h\h\h\hTHE NORTHERN HARRIER\NCOURSES YELLOWSTONE’S MARSHES,\n
381
00:28:33,629 --> 00:28:35,756
GLIDING LOW.
382
00:28:35,881 --> 00:28:39,093
FLIGHTLESS, WITHOUT SHELTER,
383
00:28:39,134 --> 00:28:41,386
THE COLT IS AN EASY TARGET.
384
00:28:41,428 --> 00:28:45,474
♪
385
00:28:45,515 --> 00:28:47,267
[CHIRPING]
386
00:28:52,564 --> 00:28:53,899
[SQUEAK]
387
00:28:55,484 --> 00:29:00,155
♪
388
00:29:00,197 --> 00:29:03,784
TODAY’S CATCH IS A MOUSE.
389
00:29:03,909 --> 00:29:05,577
THE COLT IS SPARED.
390
00:29:07,871 --> 00:29:11,249
\h\hBUT THE CLOSE CALL\NSERVES AS A REMINDER.\n
391
00:29:12,668 --> 00:29:15,588
THE SUCCESS OF THIS FAMILY
\h\h\h\hOF GROUND NESTERS\n
392
00:29:15,629 --> 00:29:20,008
WILL REQUIRE THE CONSTANT
VIGILANCE OF BOTH PARENTS,
393
00:29:20,050 --> 00:29:23,178
UNTIL THEY’RE READY TO LEAVE
\h\hTHEIR SUMMER RESIDENCE.\n
394
00:29:23,220 --> 00:29:33,021
♪
395
00:29:33,063 --> 00:29:37,067
YELLOWSTONE NATIONAL PARK
\h\h\hIS NO ORDINARY HOME.\n
396
00:29:39,319 --> 00:29:44,282
\h\hHERE, AN ACTIVE VOLCANO\NRUMBLES BENEATH THE SURFACE.\n
397
00:29:49,037 --> 00:29:50,205
[HISSING]
398
00:29:50,247 --> 00:29:53,292
\h\hIT RELEASES GASES\NAND HEATS GROUNDWATER,\n
399
00:29:53,333 --> 00:29:55,585
TRANSFORMING THE TERRAIN.
400
00:29:58,422 --> 00:30:02,051
\h\h\h\h\hYELLOWSTONE\NIS CONSTANTLY IN FLUX,\n
401
00:30:02,092 --> 00:30:05,596
A LAND REFORGED.
402
00:30:05,637 --> 00:30:10,308
THE FLOW OF MINERAL-RICH WATERS
BUILDS DRAMATIC FEATURES.
403
00:30:12,477 --> 00:30:15,855
AND WHEN GEOTHERMAL FORMATIONS
\h\h\h\h\h\h\hBECOME DORMANT,\n
404
00:30:16,064 --> 00:30:18,358
NEW HABITATS RISE.
405
00:30:25,032 --> 00:30:28,619
\hON THE VERTICAL FACE\NOF AN OLD HOT SPRING,\n
406
00:30:28,660 --> 00:30:31,872
DAWN ERUPTS IN A FRENZY.
407
00:30:32,039 --> 00:30:42,883
[CHIRPING]
408
00:30:42,924 --> 00:30:49,889
[CHIRPING]
409
00:30:50,057 --> 00:30:52,685
[CHIRPING]
410
00:30:52,726 --> 00:30:55,354
\h\h\h\h\h\hCLIFF SWALLOWS\NMIGRATE THOUSANDS OF MILES\n
411
00:30:55,395 --> 00:30:58,106
FROM WINTERING GROUNDS
\h\hIN SOUTH AMERICA.\n
412
00:31:00,275 --> 00:31:04,446
THEY LIVE LIFE ON THE WING,
413
00:31:04,488 --> 00:31:07,866
VISITING THE GROUND
ONLY WHEN THEY MUST,
414
00:31:07,908 --> 00:31:13,914
TO COLLECT SOMETHING SIMPLE
\h\h\h\h\h\h\hBUT CRUCIAL--\n
415
00:31:13,997 --> 00:31:15,707
MUD.
416
00:31:17,376 --> 00:31:20,671
THEY FERRY TINY DROPLETS
\h\h\hBACK TO THE CLIFF,\n
417
00:31:20,712 --> 00:31:23,840
\h\hGRADUALLY CONSTRUCTING\NTHEIR HOME FOR THE SEASON.\n
418
00:31:23,882 --> 00:31:31,139
[CHIRPING]
419
00:31:31,181 --> 00:31:38,230
\h\h\hEACH NEST IS BUILT FROM\NA THOUSAND INDIVIDUAL PELLETS,\n
420
00:31:38,271 --> 00:31:41,065
WHICH MEANS A THOUSAND TRIPS
\h\h\h\h\h\h\hTO THE RIVER.\n
421
00:31:43,110 --> 00:31:44,570
HARD WORK.
422
00:31:45,987 --> 00:31:48,781
\hBUT NOT EVERYONE\NIS SO INDUSTRIOUS.\n
423
00:31:51,159 --> 00:31:54,079
SOME WILL TRY TO STEAL
\h\h\hFROM A NEIGHBOR.\n
424
00:31:55,872 --> 00:31:59,959
LEAVING A NEST UNATTENDED
\h\h\h\h\h\h\h\hIS RISKY.\n
425
00:32:00,001 --> 00:32:02,962
PARTNERS EXCHANGE GUARD DUTY.
426
00:32:03,171 --> 00:32:06,966
AND SHORT TRIPS OUT ARE BEST.
427
00:32:07,008 --> 00:32:11,971
\hAT THIS COLONY OF SWALLOWS,\NVISITORS LEND A HELPING HAND.\n
428
00:32:12,013 --> 00:32:22,774
♪
429
00:32:22,816 --> 00:32:25,444
AS HERDS OF BISON MOVE,
430
00:32:25,485 --> 00:32:27,529
THEY TRANSFORM THE LANDSCAPE.
431
00:32:28,655 --> 00:32:32,659
[CHIRPING]
432
00:32:32,701 --> 00:32:35,913
\hALL AROUND THE CONE\NOF THE DORMANT SPRING,\n
433
00:32:35,954 --> 00:32:37,873
THE BISON CHURN THE EARTH.
434
00:32:40,542 --> 00:32:42,919
[CHIRPING]
435
00:32:42,961 --> 00:32:47,674
♪
436
00:32:47,716 --> 00:32:50,469
EVEN THE PLAYFUL CALVES
\h\h\h\h\hDO THEIR PART.\n
437
00:32:55,265 --> 00:32:56,767
STIRRING THE MUD...
438
00:32:56,808 --> 00:33:03,023
[CHIRPING]
439
00:33:03,064 --> 00:33:05,191
MAKING A PERFECT MIX.
440
00:33:10,071 --> 00:33:11,364
WITH THE BISON’S HELP,
441
00:33:11,406 --> 00:33:14,034
\h\h\h\hTHE CLIFF SWALLOWS\NHAVE A SHORTER COMMUTE...\n
442
00:33:14,075 --> 00:33:17,078
[CHIRPING]
443
00:33:17,120 --> 00:33:19,664
WHICH MEANS MORE TIME FOR WORK.
444
00:33:19,706 --> 00:33:31,051
[CHIRPING]
445
00:33:31,218 --> 00:33:34,054
THE RESULT IS RAPID EXPANSION.
446
00:33:38,475 --> 00:33:40,060
THROUGHOUT THE SPRING,
447
00:33:40,101 --> 00:33:43,980
THE POPULATION OF YELLOWSTONE
\h\h\h\h\h\hCONTINUES TO RISE.\n
448
00:33:44,022 --> 00:33:52,989
♪
449
00:33:53,031 --> 00:33:57,661
JUST MINUTES AFTER IT’S BORN,
\h\h\h\h\hA BISON CALF STANDS.\n
450
00:33:59,287 --> 00:34:03,792
IN LESS THAN AN HOUR,
\hIT JOINS THE HERD--\n
451
00:34:03,833 --> 00:34:06,544
\hITS ONLY DEFENSE\NAGAINST PREDATORS.\n
452
00:34:09,589 --> 00:34:17,639
♪
453
00:34:17,681 --> 00:34:22,102
\h\hFOR CALVES, EVERY MOMENT\NSPENT FRISKING AND SPARRING\n
454
00:34:22,227 --> 00:34:23,979
BUILDS STRENGTH AND SPEED...
455
00:34:28,066 --> 00:34:30,110
AND MAKES MORE MUD.
456
00:34:30,193 --> 00:34:41,121
♪
457
00:34:41,329 --> 00:34:44,541
♪
458
00:34:44,583 --> 00:34:47,211
\h\h\hTHE SWALLOWS’\NCONSTRUCTION PROJECT\n
459
00:34:47,252 --> 00:34:48,962
LASTS FOR ABOUT A WEEK.
460
00:34:49,004 --> 00:34:52,633
\h\h\h\hTHEY’LL LAY THEIR EGGS\NEVEN BEFORE THE MUD HAS DRIED.\n
461
00:34:56,595 --> 00:35:00,015
THE WORK OF NURTURING
\hTHE NEXT GENERATION\n
462
00:35:00,056 --> 00:35:01,683
FILLS THE MEADOW...
463
00:35:04,019 --> 00:35:06,188
[GROANING]
464
00:35:06,229 --> 00:35:08,398
AND THE SKIES.
465
00:35:10,025 --> 00:35:13,153
\h\h\h\hMAMMALS CARRY\NNOURISHMENT WITH THEM,\n
466
00:35:13,278 --> 00:35:15,280
NURSING THEIR YOUNG WITH MILK.
467
00:35:19,242 --> 00:35:23,705
\hBUT BIRDS MUST LEAVE THE NEST\NTO GATHER FOOD FOR THEIR CHICKS.\n
468
00:35:23,747 --> 00:35:27,584
♪
469
00:35:27,626 --> 00:35:30,379
\h\hTHE EAGLE TRACES\NTHE RIVER CORRIDOR,\n
470
00:35:30,420 --> 00:35:33,089
\h\h\h\hTHE LIFEBLOOD\NOF ITS SUMMER HABITAT.\n
471
00:35:35,216 --> 00:35:38,261
IT SCANS THE CHANNEL FOR FISH,
472
00:35:38,303 --> 00:35:40,889
THE BANKS FOR WATERFOWL.
473
00:35:40,930 --> 00:35:46,185
♪
474
00:35:46,227 --> 00:35:51,149
[CHIRPING]
475
00:35:54,861 --> 00:35:59,074
[CHIRPING]
476
00:36:01,326 --> 00:36:07,165
ITS MATE FEEDS HUNGRY MOUTHS
THE LAST REMAINS OF A DUCK.
477
00:36:07,207 --> 00:36:11,211
BUT THEIR APPETITES GROW FASTER
THAN THEIR WINGS.
478
00:36:11,294 --> 00:36:15,757
AND HUNGER CAN TURN SIBLINGS
\h\h\h\hINTO SAVAGE RIVALS.\n
479
00:36:15,799 --> 00:36:24,891
♪
480
00:36:24,933 --> 00:36:27,644
HUNTING HAS BECOME
\hA CONSTANT CHORE\n
481
00:36:27,686 --> 00:36:29,855
FOR BOTH OF THE BLUEBIRDS.
482
00:36:33,525 --> 00:36:37,404
\h\h\hLIBERATED FROM THE NEST,\NTHE FEMALE JOINS THE PURSUIT.\n
483
00:36:39,072 --> 00:36:44,160
\h\h\h\h\h\hSIX CHICKS REQUIRE\NA PERPETUAL SUPPLY OF INSECTS.\n
484
00:36:48,206 --> 00:36:52,210
\h\h\hAND EACH DELIVERY\NCOMPELS A SEPARATE HUNT.\n
485
00:36:52,252 --> 00:37:04,639
♪
486
00:37:04,681 --> 00:37:07,893
♪
487
00:37:07,934 --> 00:37:15,024
[CHIRPING]
488
00:37:15,066 --> 00:37:17,902
♪
489
00:37:17,944 --> 00:37:22,740
\h\hTOGETHER, THE PARENTS MAKE\NOVER A DOZEN TRIPS EACH HOUR.\n
490
00:37:22,782 --> 00:37:25,201
[CHIRPING]
491
00:37:25,243 --> 00:37:35,754
♪
492
00:37:35,795 --> 00:37:39,674
\hAND THE CHICKS GROW\NWITH REMARKABLE SPEED.\n
493
00:37:45,346 --> 00:37:49,725
THEIR DEMAND IS TIMED PERFECTLY
WITH YELLOWSTONE’S SUPPLY.
494
00:37:51,352 --> 00:37:54,021
[CHIRPING]
495
00:37:54,063 --> 00:37:55,773
[TWEETING]
496
00:37:58,318 --> 00:38:00,153
AT THE HEIGHT OF SUMMER,
497
00:38:00,195 --> 00:38:02,823
INSECTS ARE PLENTIFUL
\h\h\h\hIN THE MEADOW.\n
498
00:38:06,242 --> 00:38:08,828
[CHIRPING]
499
00:38:08,870 --> 00:38:11,498
\h\h\h\hBLUEBIRDS AREN’T\NTHE ONLY WINGED HUNTERS\n
500
00:38:11,539 --> 00:38:13,624
REAPING THE BOUNTY.
501
00:38:18,296 --> 00:38:22,342
\hDRAGONFLIES EVOLVED\N300 MILLION YEARS AGO\n
502
00:38:22,383 --> 00:38:25,344
\h\h\hAND TOOK TO THE AIR\NBEFORE ANY OTHER CREATURE.\n
503
00:38:25,470 --> 00:38:38,066
♪
504
00:38:38,107 --> 00:38:42,069
FOUR WINGS POWER THE MOST
PRIMITIVE FORM OF FLIGHT.
505
00:38:45,532 --> 00:38:47,617
OVER THE MILLENNIA,
506
00:38:47,659 --> 00:38:51,413
THE DRAGONFLY HAS PERFECTED
\h\h\hTHE ART OF THE ATTACK.\n
507
00:38:54,541 --> 00:38:57,586
IT HAS 360-DEGREE VISION
508
00:38:57,627 --> 00:39:01,381
\h\h\h\h\h\hAND PROCESSES IMAGES\NFIVE TIMES FASTER THAN A HUMAN.\n
509
00:39:03,550 --> 00:39:05,969
NOTHING ESCAPES ITS ATTENTIONS.
510
00:39:08,680 --> 00:39:11,183
FEW CAN AVOID ITS GRASP.
511
00:39:12,308 --> 00:39:13,351
♪
512
00:39:13,393 --> 00:39:25,405
♪
513
00:39:25,446 --> 00:39:36,415
♪
514
00:39:36,541 --> 00:39:44,424
[FLUTTERING]
515
00:39:44,549 --> 00:39:50,013
♪
516
00:39:50,054 --> 00:39:50,888
[CHIRP]
517
00:39:50,930 --> 00:39:53,433
FED BY THIS SUMMER’S ABUNDANCE,
518
00:39:53,558 --> 00:39:55,685
THE BLUEBIRD CHICKS HAVE GROWN.
519
00:39:57,478 --> 00:39:59,438
AFTER LESS THAN THREE WEEKS,
520
00:39:59,480 --> 00:40:01,816
THEY’RE NEARLY READY TO FLEDGE,
521
00:40:01,858 --> 00:40:04,903
TO HUNT ON THEIR OWN.
522
00:40:04,944 --> 00:40:08,448
THEIR PARENTS ENCOURAGE THEM
\h\h\h\h\hTO LEAVE QUICKLY.\n
523
00:40:08,489 --> 00:40:10,449
SUMMER WON’T LAST FOREVER,
524
00:40:10,533 --> 00:40:14,537
\hAND THE BLUEBIRDS ARE READY TO\NGET STARTED ON BATCH NUMBER TWO.\n
525
00:40:16,456 --> 00:40:27,509
♪
526
00:40:27,550 --> 00:40:37,560
♪
527
00:40:37,602 --> 00:40:41,022
DEEP IN THE GRAND CANYON
\h\hOF THE YELLOWSTONE,\n
528
00:40:41,064 --> 00:40:44,901
\hTHE MALE OSPREY RETURNS\NTO ITS NEST EMPTY-HANDED.\n
529
00:40:44,943 --> 00:40:47,487
♪
530
00:40:47,570 --> 00:40:52,241
[FALLS ROARING]
531
00:40:52,283 --> 00:41:02,335
♪
532
00:41:02,335 --> 00:41:08,174
♪
533
00:41:08,216 --> 00:41:09,509
[CHIRPING]
534
00:41:09,717 --> 00:41:11,761
PERCHED HIGH ABOVE THE FALLS,
535
00:41:11,803 --> 00:41:14,389
HIS FAMILY WAITS EXPECTANTLY.
536
00:41:19,102 --> 00:41:22,564
BUT HE HAS NOTHING TO OFFER
\h\h\h\h\hTHE THREE CHICKS,\n
537
00:41:22,605 --> 00:41:24,941
WHO ARE STILL FAR FROM FLEDGING.
538
00:41:26,651 --> 00:41:30,738
[CHIRPING]
539
00:41:30,780 --> 00:41:33,992
\h\h\h\hHIS MATE HEADS OFF\NIN SEARCH OF BETTER LUCK.\n
540
00:41:35,034 --> 00:41:38,162
THERE ARE SIGNS OF TROUBLE HERE.
541
00:41:38,204 --> 00:41:41,457
THE YOUNGEST CHICK
HUDDLES MOTIONLESS
542
00:41:41,499 --> 00:41:43,543
BETWEEN ITS LARGER SIBLINGS.
543
00:41:45,586 --> 00:41:47,129
[CHIRPING]
544
00:41:47,171 --> 00:41:52,551
\h\hWHEN FOOD IS LIMITED,\NTHE YOUNGEST SUFFERS MOST.\n
545
00:41:52,760 --> 00:41:57,431
ITS SURVIVAL MAY DEPEND
\h\h\h\hON TODAY’S HUNT.\n
546
00:41:57,473 --> 00:42:00,393
[CHIRPING]
547
00:42:03,563 --> 00:42:05,815
THE OSPREY IS A SPECIALIST.
548
00:42:07,775 --> 00:42:09,986
EVOLVED FOR LIFE ON THE WATER,
549
00:42:10,028 --> 00:42:13,698
SHE PREYS EXCLUSIVELY
\h\h\h\hON LIVE FISH.\n
550
00:42:22,498 --> 00:42:24,917
SHE SPOTS HER TARGET FROM ABOVE
551
00:42:24,959 --> 00:42:26,752
\h\h\h\h\h\h\h\hWITH VISION\NTHAT CUTS THROUGH THE GLARE\n
552
00:42:26,794 --> 00:42:28,879
ON THE RIVER’S SURFACE.
553
00:42:33,593 --> 00:42:34,969
[CHIRPING]
554
00:42:43,311 --> 00:42:44,729
[SPLASH]
555
00:42:49,192 --> 00:42:50,652
A MISS.
556
00:42:50,693 --> 00:42:53,446
BUT HER HUNT IS JUST BEGINNING.
557
00:42:53,488 --> 00:43:05,667
♪
558
00:43:05,708 --> 00:43:10,379
♪
559
00:43:26,854 --> 00:43:30,066
STILL, SHE HAS NOTHING
\h\h\hFOR THE CHICKS.\n
560
00:43:30,108 --> 00:43:43,830
♪
561
00:43:43,871 --> 00:43:46,540
[CHIRPING]
562
00:43:46,582 --> 00:43:48,501
BUT IN A QUIET LAKE,
563
00:43:48,543 --> 00:43:51,755
\h\hHER MATE HAS FOUND\NA BETTER OPPORTUNITY.\n
564
00:43:53,589 --> 00:43:58,052
\h\hHERE, EACH SUMMER,\NTROUT GATHER TO SPAWN.\n
565
00:44:06,102 --> 00:44:08,980
\h\h\hTHEY’RE OCCUPIED\NWITH THE TASK AT HAND,\n
566
00:44:09,021 --> 00:44:12,066
LAYING THEIR EGGS,
567
00:44:12,108 --> 00:44:15,236
\h\h\h\h\h\hAND OBLIVIOUS\NTO THE OSPREY’S APPROACH.\n
568
00:44:15,278 --> 00:44:17,113
[CHIRPING]
569
00:44:19,365 --> 00:44:20,449
[SPLASH]
570
00:44:21,409 --> 00:44:26,122
[CHIRPING]
571
00:44:26,164 --> 00:44:32,671
♪
572
00:44:32,712 --> 00:44:34,464
HE HEADS FOR HOME.
573
00:44:37,758 --> 00:44:40,427
BUT HIS CATCH IS NOT SAFE YET.
574
00:44:41,804 --> 00:44:48,477
[SQUAWKING]
575
00:44:48,519 --> 00:44:49,854
A PEREGRINE FALCON,
576
00:44:49,896 --> 00:44:51,856
THE WORLD’S FASTEST BIRD,
577
00:44:51,898 --> 00:44:55,193
IS AFTER HIS PRIZE.
578
00:44:55,234 --> 00:44:58,154
TODAY’S ATTACK IS UNUSUAL.
579
00:44:59,530 --> 00:45:02,992
PEREGRINES ARE SUPERB HUNTERS
\h\h\h\h\h\h\h\h\hON THE WING,\n
580
00:45:03,034 --> 00:45:05,537
BUT THEY’RE NOT KNOWN
\h\h\h\h\hAS THIEVES.\n
581
00:45:05,578 --> 00:45:11,751
♪
582
00:45:11,792 --> 00:45:16,297
[CHIRPING]
583
00:45:16,339 --> 00:45:19,592
[SQUAWKING]
584
00:45:19,634 --> 00:45:21,761
AGAINST THE SUPERIOR FLIER,
585
00:45:21,802 --> 00:45:28,017
THE OSPREY HAS ONLY ONE TACTIC
\h\h\h\h\h\hTHAT MIGHT WORK--\n
586
00:45:28,059 --> 00:45:30,228
DITCHING INTO THE WATER,
587
00:45:30,269 --> 00:45:32,480
WHERE THE PEREGRINE
\h\h\hCAN’T FOLLOW.\n
588
00:45:32,521 --> 00:45:41,488
♪
589
00:45:41,530 --> 00:45:44,700
[SQUAWKING]
590
00:45:46,869 --> 00:45:49,121
THANKS TO HIS EVASIVE MANEUVER,
591
00:45:49,163 --> 00:45:51,791
HE HAS SOMETHING TO BRING
\h\h\hHIS WAITING CHICKS.\n
592
00:45:51,958 --> 00:46:02,260
♪
593
00:46:02,301 --> 00:46:05,012
[CHIRPING]
594
00:46:07,348 --> 00:46:08,683
[CHIRP]
595
00:46:09,767 --> 00:46:19,986
[CHIRPING]
596
00:46:20,027 --> 00:46:23,697
\h\h\h\h\hHIS MATE FEEDS\NTHE TWO LARGER SIBLINGS.\n
597
00:46:23,739 --> 00:46:25,824
BUT THE SMALLEST,
598
00:46:25,866 --> 00:46:27,826
\h\h\h\h\h\h\h\hCROUCHED\NAT THE EDGE OF THE NEST,\n
599
00:46:27,994 --> 00:46:29,954
IS TOO WEAK TO JOIN THE FEAST.
600
00:46:33,499 --> 00:46:34,917
[CHIRPING]
601
00:46:37,503 --> 00:46:40,381
AT THE EAGLE NEST
ON THE RIVER BEND,
602
00:46:40,423 --> 00:46:43,593
\h\h\h\h\hCOMPETITION\NIS ALSO TAKING A TOLL.\n
603
00:46:45,094 --> 00:46:47,847
DRIVEN BY SELF-PRESERVATION,
604
00:46:47,888 --> 00:46:51,767
\h\h\h\h\h\hTHE LARGER SIBLING\NWORKS TO ELIMINATE ITS RIVAL.\n
605
00:46:54,645 --> 00:46:57,731
ITS PARENT WATCHES ON,
606
00:46:57,773 --> 00:46:59,566
UNMOVED TO ACT.
607
00:46:59,608 --> 00:47:03,403
ONE HEALTHY CHICK IS BETTER
\h\h\hTHAN TWO GOING HUNGRY.\n
608
00:47:05,448 --> 00:47:06,950
[CHIRP]
609
00:47:08,826 --> 00:47:12,580
NOW THE CHICK CAN TAKE
EVERY MEAL FOR ITSELF.
610
00:47:19,670 --> 00:47:20,921
[CHIRP]
611
00:47:25,926 --> 00:47:29,430
THE VICTOR DONS NEW PLUMAGE:
612
00:47:29,472 --> 00:47:31,975
THE BLACK FEATHERS
\hOF A FLEDGLING.\n
613
00:47:33,184 --> 00:47:35,019
IN THE COMING WEEKS,
614
00:47:35,061 --> 00:47:37,897
HE’LL BEGIN TESTING
\h\h\hHIS STRENGTHS,\n
615
00:47:38,022 --> 00:47:40,024
PREPARING TO LEAVE THE NEST.
616
00:47:42,068 --> 00:47:46,030
\h\h\hAS SUMMER ENDS,\NNEW JOURNEYS APPROACH.\n
617
00:47:46,072 --> 00:47:50,535
THE SANDHILL CHICK NOW STANDS
NEARLY AS TALL AS ITS PARENTS.
618
00:47:52,661 --> 00:47:56,582
\h\hTHE URGE TO FLY\NWILL SOON TAKE HOLD.\n
619
00:47:56,624 --> 00:48:01,921
♪
620
00:48:02,004 --> 00:48:06,008
\h\h\h\hBUT FOR THE DIPPER,\NLIFE WILL ALWAYS BE AQUATIC.\n
621
00:48:07,093 --> 00:48:15,268
[CHIRPING]
622
00:48:18,396 --> 00:48:21,566
AND FLEDGING IS NOT A MATTER
\h\h\hOF TAKING TO THE AIR.\n
623
00:48:28,739 --> 00:48:29,990
THE JUVENILE DIPPER,
624
00:48:30,032 --> 00:48:32,159
DISTINGUISHED BY A YELLOW BEAK,
625
00:48:32,201 --> 00:48:34,286
HAS JUST LEFT THE NEST.
626
00:48:35,788 --> 00:48:38,958
IT WATCHES CLOSELY
627
00:48:38,999 --> 00:48:41,168
AND TRIES OUT ALL THE MOVES.
628
00:48:43,671 --> 00:48:45,339
FORAGING...
629
00:48:48,050 --> 00:48:49,593
[CHIRP]
630
00:48:49,635 --> 00:48:50,970
DIPPING...
631
00:48:51,762 --> 00:48:53,013
[CHIRP]
632
00:48:53,055 --> 00:48:54,598
[CHIRP]
633
00:48:57,435 --> 00:48:59,896
AND, OF COURSE, SWIMMING.
634
00:48:59,937 --> 00:49:12,533
♪
635
00:49:12,575 --> 00:49:16,996
♪
636
00:49:17,121 --> 00:49:19,749
SOME SKILLS YOU’RE BORN WITH.
637
00:49:21,792 --> 00:49:26,171
THE JUVENILE DIPPER WILL BE
COMPLETELY INDEPENDENT SOON.
638
00:49:30,676 --> 00:49:31,510
[SQUAWKING]
639
00:49:31,552 --> 00:49:34,221
BUT A MEAL IS ALWAYS WELCOME.
640
00:49:35,931 --> 00:49:37,850
WHEN THE YOUNG DIPPER IS READY,
641
00:49:37,892 --> 00:49:41,562
\h\h\h\h\hIT WILL MOVE\NINTO ITS OWN TERRITORY\n
642
00:49:41,604 --> 00:49:43,564
NOT FAR AWAY.
643
00:49:43,606 --> 00:49:45,942
PERHAPS JUST AROUND
\h\h\hTHE RIVERBEND.\n
644
00:49:47,693 --> 00:49:51,322
\hBUT NOT EVERY NEST\NIS SO EASY TO LEAVE.\n
645
00:49:58,120 --> 00:50:00,581
A FIRST OSPREY HAS FLEDGED.
646
00:50:03,250 --> 00:50:06,628
ITS ONLY SURVIVING SIBLING
\h\h\h\h\h\h\h\hHESITATES.\n
647
00:50:13,636 --> 00:50:15,888
THERE’S NO ROOM FOR ERROR HERE.
648
00:50:21,894 --> 00:50:26,065
\h\h\h\h\h\h\h\h\h\hCAUTIOUSLY,\NIT TESTS ITS WINGS IN THE WIND.\n
649
00:50:26,148 --> 00:50:30,069
[CHIRPING]
650
00:50:30,110 --> 00:50:43,749
♪
651
00:50:43,791 --> 00:50:52,258
♪
652
00:50:52,299 --> 00:50:54,301
A MAIDEN VOYAGE
653
00:50:54,343 --> 00:50:58,681
OVER ONE OF THE GREATEST
\h\hLANDSCAPES ON EARTH.\n
654
00:50:58,722 --> 00:51:07,105
♪
655
00:51:07,147 --> 00:51:09,274
NEW CHALLENGES LIE AHEAD.
656
00:51:12,194 --> 00:51:14,947
FOR MOST OF YELLOWSTONE’S BIRDS,
657
00:51:14,989 --> 00:51:16,741
A LONG MIGRATION.
658
00:51:17,866 --> 00:51:20,118
FOR THE FEW WHO STAY,
659
00:51:20,244 --> 00:51:21,787
WINTER’S HARDSHIP.
660
00:51:23,455 --> 00:51:25,624
AS THE SUMMER DRAWS TO A CLOSE,
661
00:51:25,666 --> 00:51:28,085
SEASONAL VISITORS PART WAYS.
662
00:51:30,879 --> 00:51:34,216
BUT THEY WILL RETURN
\h\hTO YELLOWSTONE,\n
663
00:51:34,258 --> 00:51:39,096
\hAND FILL ITS SKIES\NWITH LIFE ON WINGS.\n
664
00:51:39,138 --> 00:51:44,310
[WARBLING]
665
00:51:45,936 --> 00:51:48,605
\h\h\h\h\h\hIT’S AN IMAGE\NI’LL HOLD FOR A LIFETIME--\n
666
00:51:48,647 --> 00:51:51,024
\h\h\h\hTHE POSITION\NOF THAT OSPREY NEST,\n
667
00:51:51,066 --> 00:51:52,276
PERCHED ON A PINNACLE
668
00:51:52,318 --> 00:51:55,029
\h\h\h\h\hOVERLOOKING\NTHE YELLOWSTONE FALLS.\n
669
00:51:55,070 --> 00:51:57,739
\h\h\hAND WHEN YOU CONTINUE\NTHE JOURNEY DOWN THE RIVER,\n
670
00:51:57,781 --> 00:52:00,158
\h\h\h\hYOU REALIZE THAT\NTHE STORY OF YELLOWSTONE\n
671
00:52:00,200 --> 00:52:02,160
\h\h\h\h\hDOESN’T END\NAT THE PARK BOUNDARY.\n
672
00:52:02,202 --> 00:52:04,162
IN THE NEXT "EPIC YELLOWSTONE,"
673
00:52:04,204 --> 00:52:06,873
\hWE DISCOVER HOW A RIVER\NTHAT’S ALLOWED TO RUN FREE\n
674
00:52:06,915 --> 00:52:10,168
\h\h\hCARRIES WITH IT\NTHAT SAME WILD SPIRIT.\n
675
00:52:10,294 --> 00:52:12,171
IT’S AN EPIC JOURNEY,
676
00:52:12,379 --> 00:52:15,090
DOWN THE RIVER WILD.
47476
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