1 00:00:02,000 --> 00:00:07,000 Downloaded from YTS.MX 2 00:00:08,000 --> 00:00:13,000 Official YIFY movies site: YTS.MX 3 00:00:15,739 --> 00:00:17,672 CHURCH: On the southern border of the United States 4 00:00:17,707 --> 00:00:20,261 lies a remote desert kingdom, 5 00:00:20,296 --> 00:00:22,850 home to staggering landscapes 6 00:00:22,884 --> 00:00:25,922 and a remarkable world of wild creatures. 7 00:00:28,649 --> 00:00:32,170 This is Big Bend... where the legendary Rio Grande river 8 00:00:32,204 --> 00:00:35,932 has cut deep canyons between Texas and Mexico... 9 00:00:35,966 --> 00:00:38,797 but the wildlife knows no borders 10 00:00:38,831 --> 00:00:40,523 in this truly special place... 11 00:00:40,557 --> 00:00:45,873 ♪ 12 00:00:45,907 --> 00:00:49,221 Here, the most talked-about frontier in the world 13 00:00:49,256 --> 00:00:51,706 is a wonderland of serene beauty... 14 00:00:54,502 --> 00:00:57,195 Where mountain lion and black bear roam. 15 00:00:59,300 --> 00:01:03,615 Where bats stalk the desert floor at night. 16 00:01:03,649 --> 00:01:08,516 A land of blazing skies and tortured rock, 17 00:01:08,551 --> 00:01:12,106 and home to one of America's great national parks... 18 00:01:12,141 --> 00:01:14,764 the road ends at Big Bend. 19 00:01:18,112 --> 00:01:22,323 [Theme music playing] 20 00:01:22,358 --> 00:01:29,365 ♪ 21 00:01:29,399 --> 00:01:36,441 ♪ 22 00:01:39,444 --> 00:01:45,035 ♪ 23 00:01:45,070 --> 00:01:50,696 ♪ 24 00:01:50,731 --> 00:01:55,011 CHURCH: The exact details are unknown, 25 00:01:55,045 --> 00:01:58,739 but some 30 years ago, a female black bear set out 26 00:01:58,773 --> 00:02:03,709 on a remarkable journey from northern Mexico. 27 00:02:03,744 --> 00:02:06,367 She was heading for Texas. 28 00:02:06,402 --> 00:02:10,475 ♪ 29 00:02:10,509 --> 00:02:13,823 Human borders meant nothing to this bear; 30 00:02:13,857 --> 00:02:15,445 she was on a mission. 31 00:02:18,517 --> 00:02:23,557 She was looking for a new home, a place free of competition... 32 00:02:23,591 --> 00:02:28,527 where she could bring up her cubs in peace. 33 00:02:28,562 --> 00:02:33,291 Far on the northern horizon, there was such a place. 34 00:02:33,325 --> 00:02:37,847 ♪ 35 00:02:37,881 --> 00:02:41,471 Mountains reaching for the sky with flanks of green 36 00:02:41,506 --> 00:02:43,887 hinting at unseen treasures. 37 00:02:48,168 --> 00:02:51,447 A wonderland for a pioneering bear. 38 00:02:55,485 --> 00:02:59,558 Bears had been wiped out of Texas many years before. 39 00:02:59,593 --> 00:03:02,354 Some had since strayed over the border, 40 00:03:02,389 --> 00:03:05,219 but she was the very first to stay 41 00:03:05,254 --> 00:03:08,843 and raise a family... 42 00:03:08,878 --> 00:03:12,330 and what a place she picked. 43 00:03:12,364 --> 00:03:14,884 Surrounded by blistering desert, 44 00:03:14,918 --> 00:03:18,405 Big Bend hides a mountain kingdom of sparkling streams 45 00:03:18,439 --> 00:03:20,821 and hidden canyons, 46 00:03:20,855 --> 00:03:24,238 bursting with forests and life. 47 00:03:24,273 --> 00:03:32,004 ♪ 48 00:03:32,039 --> 00:03:34,628 Here, she'd be in good company... 49 00:03:34,662 --> 00:03:37,562 for Big Bend is home to a national park 50 00:03:37,596 --> 00:03:39,633 with more kinds of wild creatures 51 00:03:39,667 --> 00:03:44,189 than almost any other park in the United States. 52 00:03:44,224 --> 00:03:47,848 ♪ 53 00:03:47,882 --> 00:03:52,887 In Big Bend, she had found America's wildest frontier. 54 00:03:52,922 --> 00:04:01,862 ♪ 55 00:04:01,896 --> 00:04:05,624 [Birds squawking] 56 00:04:05,659 --> 00:04:07,902 It is fall in Big Bend, 57 00:04:07,937 --> 00:04:13,080 and this acorn woodpecker is busy. 58 00:04:13,114 --> 00:04:14,771 For just a few weeks, 59 00:04:14,806 --> 00:04:18,913 these oak trees will be laden with acorns... 60 00:04:18,948 --> 00:04:22,331 perfect food for the long winter ahead. 61 00:04:24,505 --> 00:04:28,129 If only he can find a safe place to store them. 62 00:04:28,164 --> 00:04:35,447 ♪ 63 00:04:35,482 --> 00:04:37,656 The tallest dead tree in the valley 64 00:04:37,691 --> 00:04:39,555 is as good as he'll get. 65 00:04:42,558 --> 00:04:45,112 High above thieves in the forest below, 66 00:04:45,146 --> 00:04:48,564 he and his family can concentrate on the work in hand. 67 00:04:48,598 --> 00:04:56,951 ♪ 68 00:04:56,986 --> 00:04:58,746 It's a laborious business, 69 00:04:58,781 --> 00:05:02,612 each hole must be drilled just right: 70 00:05:02,647 --> 00:05:05,788 too big, and the acorns fall out; 71 00:05:05,822 --> 00:05:08,515 too small, they just won't fit in. 72 00:05:08,549 --> 00:05:17,731 ♪ 73 00:05:17,765 --> 00:05:26,947 ♪ 74 00:05:26,981 --> 00:05:29,743 As the weeks go by the larder grows, 75 00:05:29,777 --> 00:05:32,297 a bonanza for the long months ahead. 76 00:05:35,749 --> 00:05:39,856 But their stash is just too tempting. 77 00:05:39,891 --> 00:05:43,895 ♪ 78 00:05:43,929 --> 00:05:45,931 While he's off hunting, 79 00:05:45,966 --> 00:05:50,280 a young female moves in with less than noble intentions. 80 00:05:50,315 --> 00:05:56,010 ♪ 81 00:05:56,045 --> 00:05:58,185 Maintaining this winter stash 82 00:05:58,219 --> 00:06:01,671 takes up a huge amount of time and energy, 83 00:06:01,706 --> 00:06:05,951 well worth the effort if they can keep it safe and secure. 84 00:06:05,986 --> 00:06:11,647 ♪ 85 00:06:11,681 --> 00:06:15,892 But life can be very cruel to a Big Bend woodpecker. 86 00:06:15,927 --> 00:06:21,795 ♪ 87 00:06:21,829 --> 00:06:27,732 ♪ 88 00:06:27,766 --> 00:06:31,218 There are many reasons Big Bend is good for bears, 89 00:06:31,252 --> 00:06:32,944 and this is one of them. 90 00:06:34,980 --> 00:06:38,915 Many months have passed, and fall is a distant memory... 91 00:06:38,950 --> 00:06:41,746 but there are still acorns to be found... 92 00:06:41,780 --> 00:06:44,680 and bears love acorns. 93 00:06:48,477 --> 00:06:52,342 This bear is skin and bone... he's had a tough winter. 94 00:06:52,377 --> 00:06:54,966 Nothing is going to stop him. 95 00:06:55,000 --> 00:07:01,490 ♪ 96 00:07:01,524 --> 00:07:07,979 ♪ 97 00:07:08,013 --> 00:07:09,843 For six days in a row, 98 00:07:09,877 --> 00:07:12,846 he keeps returning to this fountain of food... 99 00:07:12,880 --> 00:07:16,746 much to the disgust of the acorn woodpecker. 100 00:07:21,130 --> 00:07:24,133 But there's nothing he can do 101 00:07:24,167 --> 00:07:29,241 except watch months of hard work being dismantled in minutes. 102 00:07:29,276 --> 00:07:31,312 [Woodpecker squawking] 103 00:07:41,944 --> 00:07:44,636 Most adult bears would think twice before climbing 104 00:07:44,671 --> 00:07:48,329 so high in a rotten tree, 105 00:07:48,364 --> 00:07:52,437 but the fear of falling seems to be the lesser of two evils. 106 00:07:55,302 --> 00:07:57,407 If there's more food higher up, 107 00:07:57,442 --> 00:08:00,445 this bear will do whatever it takes. 108 00:08:00,480 --> 00:08:06,106 ♪ 109 00:08:06,140 --> 00:08:11,801 ♪ 110 00:08:11,836 --> 00:08:13,631 [Bear roars] 111 00:08:13,665 --> 00:08:20,672 ♪ 112 00:08:20,707 --> 00:08:27,714 ♪ 113 00:08:27,748 --> 00:08:34,755 ♪ 114 00:08:34,790 --> 00:08:38,103 Acorns are full of protein and fat... 115 00:08:38,138 --> 00:08:40,934 lifesavers for a desperate Big Bend bear. 116 00:08:40,968 --> 00:08:44,731 ♪ 117 00:08:44,765 --> 00:08:47,492 [Exhales, munching] 118 00:08:53,498 --> 00:08:56,639 Now he just has to get down. 119 00:09:05,924 --> 00:09:09,790 [Water lapping softly] 120 00:09:09,825 --> 00:09:13,104 The name Big Bend was born of a river... 121 00:09:13,138 --> 00:09:17,177 the legendary Rio Grande. 122 00:09:17,211 --> 00:09:24,080 ♪ 123 00:09:24,115 --> 00:09:26,151 For over 1,000 miles, 124 00:09:26,186 --> 00:09:28,498 the Rio Grande carves a giant arc 125 00:09:28,533 --> 00:09:31,294 around the wild lands of southern Texas. 126 00:09:31,329 --> 00:09:35,989 ♪ 127 00:09:36,023 --> 00:09:38,439 To the 18th century settlers, 128 00:09:38,474 --> 00:09:42,823 the remote country cradled by this giant curve in the river 129 00:09:42,858 --> 00:09:45,861 became known as the Big Bend. 130 00:09:45,895 --> 00:09:54,041 ♪ 131 00:09:54,076 --> 00:09:58,494 Today the river and its bend marks the border 132 00:09:58,528 --> 00:10:01,359 between Texas and Mexico. 133 00:10:01,393 --> 00:10:05,950 ♪ 134 00:10:05,984 --> 00:10:09,022 The Rio Grande is one of the youngest river systems 135 00:10:09,056 --> 00:10:11,334 in North America, 136 00:10:11,369 --> 00:10:13,440 its story freshly written 137 00:10:13,474 --> 00:10:15,580 in the stone it has carved 138 00:10:15,615 --> 00:10:18,238 along its three million year journey. 139 00:10:20,620 --> 00:10:22,276 To a thirsty desert, 140 00:10:22,311 --> 00:10:25,797 water brings the gift of life. 141 00:10:25,832 --> 00:10:34,357 ♪ 142 00:10:34,392 --> 00:10:37,188 Big Bend is hummingbird heaven. 143 00:10:39,949 --> 00:10:43,056 Some 15 different kinds have been spotted here, 144 00:10:43,090 --> 00:10:46,611 out of barely 30 in all of the United States. 145 00:10:50,063 --> 00:10:52,479 Many are just passing through... 146 00:10:52,513 --> 00:10:55,689 tiny birds on huge journeys. 147 00:10:59,348 --> 00:11:02,834 But some are born of Big Bend. 148 00:11:07,701 --> 00:11:10,670 These are lucifer hummingbirds. 149 00:11:18,022 --> 00:11:20,369 For the lucifers, it's breeding season... 150 00:11:20,403 --> 00:11:22,854 and they must build up their energy reserves 151 00:11:22,889 --> 00:11:24,545 for the challenges ahead. 152 00:11:24,580 --> 00:11:32,933 ♪ 153 00:11:32,968 --> 00:11:36,937 The male lucifers have dazzling purple throat feathers, 154 00:11:36,972 --> 00:11:38,974 which need to be in peak condition 155 00:11:39,008 --> 00:11:41,597 to impress the less-colorful females. 156 00:11:44,634 --> 00:11:48,500 But first the field must be cleared... 157 00:11:48,535 --> 00:11:52,090 even other hummingbird species are not tolerated. 158 00:11:54,230 --> 00:11:58,925 There's only room for one male lucifer in this town. 159 00:11:58,959 --> 00:12:08,313 ♪ 160 00:12:08,348 --> 00:12:17,702 ♪ 161 00:12:17,737 --> 00:12:20,222 After all his territorial battles, 162 00:12:20,256 --> 00:12:23,121 you'd think the female would give in easy. 163 00:12:23,156 --> 00:12:26,815 But she herself now needs to be chased, 164 00:12:26,849 --> 00:12:30,025 for him to prove he's worthy her attention. 165 00:12:32,682 --> 00:12:37,480 Winning over this lady truly is an exhausting business. 166 00:12:41,208 --> 00:12:45,488 However, she still seems unsure. 167 00:12:45,523 --> 00:12:49,492 But he has one final trick up his sleeve... 168 00:12:49,527 --> 00:12:52,392 some hummingbird flamenco. 169 00:12:52,426 --> 00:13:00,883 ♪ 170 00:13:00,918 --> 00:13:09,374 ♪ 171 00:13:09,409 --> 00:13:12,412 Who could resist such perfection and poise? 172 00:13:12,446 --> 00:13:20,765 ♪ 173 00:13:20,800 --> 00:13:23,423 All the hard work is paying off. 174 00:13:25,666 --> 00:13:28,359 It's "take me home, darling." 175 00:13:28,393 --> 00:13:38,265 ♪ 176 00:13:48,344 --> 00:13:53,384 The human story in Big Bend goes back around 10,000 years. 177 00:13:56,559 --> 00:14:00,943 Stone Age pioneers hunted and gathered across the region 178 00:14:00,978 --> 00:14:03,566 but left only the faintest traces. 179 00:14:07,570 --> 00:14:10,021 In the last 1,000 years, 180 00:14:10,056 --> 00:14:13,922 several Native American tribes came and went... 181 00:14:13,956 --> 00:14:17,166 the Chiso and Apache. 182 00:14:17,201 --> 00:14:19,928 The very last were the Comanche, 183 00:14:19,962 --> 00:14:24,346 who journeyed across these lands just 150 years ago. 184 00:14:24,380 --> 00:14:33,458 ♪ 185 00:14:33,493 --> 00:14:36,841 The greatest challenge to Big Bend's wild world 186 00:14:36,876 --> 00:14:39,740 came, of course, from more recent settlers 187 00:14:39,775 --> 00:14:44,366 as they pushed into the remotest corners of wild America. 188 00:14:48,335 --> 00:14:52,684 Until 1848, Big Bend was part of Mexico. 189 00:14:52,719 --> 00:14:57,897 [Music playing, indistinct chatter] 190 00:14:57,931 --> 00:15:02,039 Since then, waves of Mexican and American settlers 191 00:15:02,073 --> 00:15:04,110 have moved all across the region... 192 00:15:04,144 --> 00:15:08,666 to ranch, or mine precious quicksilver. 193 00:15:08,700 --> 00:15:13,119 That mix of cultures and people live here to this day. 194 00:15:13,153 --> 00:15:17,157 MAN: ♪ It never took money to feel like livin' ♪ 195 00:15:17,192 --> 00:15:19,090 ♪ Never can try for me... ♪ 196 00:15:19,125 --> 00:15:22,404 [Fire crackling] 197 00:15:22,438 --> 00:15:25,648 ♪ 198 00:15:25,683 --> 00:15:28,513 CHURCH: For the wild inhabitants of Big Bend, 199 00:15:28,548 --> 00:15:31,482 it mattered little what tribe or creed 200 00:15:31,516 --> 00:15:33,518 were the human settlers of the region. 201 00:15:35,935 --> 00:15:39,524 What mattered to them was how many humans came 202 00:15:39,559 --> 00:15:42,148 and how they treated their wild neighbors. 203 00:15:42,182 --> 00:15:50,397 ♪ 204 00:15:50,432 --> 00:15:58,612 ♪ 205 00:15:58,647 --> 00:16:06,896 ♪ 206 00:16:06,931 --> 00:16:09,382 In the decades after the last Native Americans 207 00:16:09,416 --> 00:16:10,935 were pushed out, 208 00:16:10,970 --> 00:16:13,731 Big Bend was the end of the road... 209 00:16:16,596 --> 00:16:19,012 A place to escape the law. 210 00:16:21,532 --> 00:16:23,361 If in real trouble, 211 00:16:23,396 --> 00:16:27,055 you could head south to Mexico across the Rio Grande. 212 00:16:29,333 --> 00:16:31,162 Once you made it to the river, 213 00:16:31,197 --> 00:16:33,923 it was rarely deep enough to slow you down. 214 00:16:33,958 --> 00:16:41,586 ♪ 215 00:16:41,621 --> 00:16:43,899 Today in Santa Elena Canyon, 216 00:16:43,933 --> 00:16:46,108 a unique resident of Big Bend 217 00:16:46,143 --> 00:16:49,111 crosses from the United States to Mexico 218 00:16:49,146 --> 00:16:51,044 dozens of times a day. 219 00:16:54,461 --> 00:16:56,429 With deserts in every direction, 220 00:16:56,463 --> 00:17:00,916 this is one of the last places you'd expect to find beavers. 221 00:17:00,950 --> 00:17:08,924 ♪ 222 00:17:08,958 --> 00:17:11,409 At sunrise, one of the most talked about 223 00:17:11,444 --> 00:17:13,687 international borders in the world 224 00:17:13,722 --> 00:17:16,794 is also a peaceful place to find breakfast. 225 00:17:23,870 --> 00:17:26,459 The second-largest rodents on Earth, 226 00:17:26,493 --> 00:17:28,944 beavers spend their nights foraging for food 227 00:17:28,978 --> 00:17:32,396 along the Rio Grande. 228 00:17:32,430 --> 00:17:34,846 Early morning means a final snack 229 00:17:34,881 --> 00:17:36,572 before they head for bed. 230 00:17:43,269 --> 00:17:45,409 Young willow trees and cane 231 00:17:45,443 --> 00:17:48,308 make up the majority of their diet. 232 00:17:48,343 --> 00:17:52,347 Each beaver must eat between two and three pounds of vegetation 233 00:17:52,381 --> 00:17:54,625 a day to keep going. 234 00:17:59,561 --> 00:18:04,324 The sound of chewing beavers has echoed through these canyons 235 00:18:04,359 --> 00:18:05,981 for thousands of years. 236 00:18:06,015 --> 00:18:10,296 [Munching] 237 00:18:19,753 --> 00:18:24,689 Another exercise beavers devote their time to is fur control. 238 00:18:24,724 --> 00:18:27,106 To keep their coat in top condition, 239 00:18:27,140 --> 00:18:30,281 beavers spend long hours grooming their fur 240 00:18:30,316 --> 00:18:33,974 and oiling it from special glands under their tail. 241 00:18:34,009 --> 00:18:40,843 ♪ 242 00:18:40,878 --> 00:18:47,678 ♪ 243 00:18:47,712 --> 00:18:54,547 ♪ 244 00:18:54,581 --> 00:18:56,342 After a big feed, 245 00:18:56,376 --> 00:19:00,346 nothing seems to make a beaver feel quite so good. 246 00:19:00,380 --> 00:19:06,766 ♪ 247 00:19:06,800 --> 00:19:13,221 ♪ 248 00:19:13,255 --> 00:19:15,257 From the mid-1600s, 249 00:19:15,292 --> 00:19:17,811 America's beavers were heavily hunted 250 00:19:17,846 --> 00:19:20,228 by the new European settlers. 251 00:19:20,262 --> 00:19:24,093 They were as good as cash in the Wild West. 252 00:19:24,128 --> 00:19:27,131 But hidden in this remote backwater, 253 00:19:27,166 --> 00:19:29,064 Big Bend's beavers managed to survive 254 00:19:29,098 --> 00:19:32,240 these centuries of wildlife extermination. 255 00:19:38,729 --> 00:19:41,214 The Texans behind the national park here 256 00:19:41,249 --> 00:19:42,974 dreamed of connecting Big Bend 257 00:19:43,009 --> 00:19:44,907 with the neighboring protected lands 258 00:19:44,942 --> 00:19:46,944 across the river in Mexico... 259 00:19:49,084 --> 00:19:51,362 Choosing to let these natural treasures 260 00:19:51,397 --> 00:19:53,399 unite the two countries 261 00:19:53,433 --> 00:19:58,162 in a place where the wildlife knows no borders. 262 00:19:58,197 --> 00:20:07,827 ♪ 263 00:20:07,861 --> 00:20:17,561 ♪ 264 00:20:17,595 --> 00:20:20,149 Big Bend sits in the Chihuahuan Desert, 265 00:20:20,184 --> 00:20:24,499 the largest in North America. 266 00:20:24,533 --> 00:20:30,263 Come spring, small corners explode in a blizzard of blue. 267 00:20:32,783 --> 00:20:36,718 These are Big Bend's famous bluebonnets. 268 00:20:39,307 --> 00:20:41,309 Growing up to three feet tall, 269 00:20:41,343 --> 00:20:43,345 the flowers dwarf their famous cousins 270 00:20:43,380 --> 00:20:45,244 across the rest of Texas. 271 00:20:45,278 --> 00:20:51,940 ♪ 272 00:20:51,974 --> 00:20:54,598 Another desert plant that defines Big Bend 273 00:20:54,632 --> 00:20:57,186 is the Ocotillo. 274 00:20:57,221 --> 00:20:58,602 For much of the year, 275 00:20:58,636 --> 00:21:04,332 Ocotillos look like a burnt clump of dead branches. 276 00:21:04,366 --> 00:21:07,404 But come spring... and the right conditions... 277 00:21:07,438 --> 00:21:09,613 these gray stems deliver a bounty 278 00:21:09,647 --> 00:21:12,098 of blood orange flowers. 279 00:21:12,132 --> 00:21:21,521 ♪ 280 00:21:21,556 --> 00:21:30,979 ♪ 281 00:21:31,013 --> 00:21:33,430 Shared by the United States and Mexico, 282 00:21:33,464 --> 00:21:36,536 the Chihuahuan Desert is one of the most biologically diverse 283 00:21:36,571 --> 00:21:37,951 on the planet. 284 00:21:41,990 --> 00:21:45,131 And while the big critters get all the glory, 285 00:21:45,165 --> 00:21:48,893 it's the little creatures that make this region truly special. 286 00:21:52,276 --> 00:21:55,210 Thousands of different kinds are the backbone 287 00:21:55,244 --> 00:21:59,110 on which all of the wildlife of Big Bend depends. 288 00:22:16,265 --> 00:22:20,373 Big Bend is one of the hottest corners of Texas. 289 00:22:20,408 --> 00:22:25,344 Even in spring, temperatures can rise to 100 degrees. 290 00:22:29,140 --> 00:22:32,661 Not that some of Big Bend's residents seem to mind too much. 291 00:22:32,696 --> 00:22:34,594 [Rattling] 292 00:22:40,566 --> 00:22:43,327 Rattlesnakes, like this western diamondback, 293 00:22:43,362 --> 00:22:46,813 and most other reptiles, do need external heat 294 00:22:46,848 --> 00:22:51,231 to warm their muscles and get moving. 295 00:22:51,266 --> 00:22:54,200 But some spring days can be too hot 296 00:22:54,234 --> 00:22:56,478 even for these cold-blooded creatures. 297 00:22:56,513 --> 00:23:03,899 ♪ 298 00:23:03,934 --> 00:23:06,488 But sunbathing is a particular specialty 299 00:23:06,523 --> 00:23:08,801 of this Big Bend resident. 300 00:23:13,012 --> 00:23:15,670 Texas horned lizards need a lot of sunlight 301 00:23:15,704 --> 00:23:18,535 to produce healthy levels of vitamin D. 302 00:23:23,402 --> 00:23:27,164 Hard to spot with their remarkable camouflage, 303 00:23:27,198 --> 00:23:31,651 it takes a lot to get one of these characters moving... 304 00:23:31,686 --> 00:23:35,586 even when dinner delivers itself. 305 00:23:35,621 --> 00:23:43,663 ♪ 306 00:23:49,911 --> 00:23:54,916 ♪ 307 00:23:54,950 --> 00:24:01,819 ♪ 308 00:24:01,854 --> 00:24:05,409 Night brings a whole new world to Big Bend. 309 00:24:05,444 --> 00:24:09,724 ♪ 310 00:24:09,758 --> 00:24:13,831 Temperatures can drop 60 degrees from daytime highs. 311 00:24:17,525 --> 00:24:20,838 The darkness and chill evening breezes 312 00:24:20,873 --> 00:24:23,703 bring out a whole new cast of characters. 313 00:24:27,396 --> 00:24:29,744 This is their time. 314 00:24:29,778 --> 00:24:32,609 ♪ 315 00:24:32,643 --> 00:24:34,334 [High-pitched croak] 316 00:24:36,336 --> 00:24:37,993 [High-pitched croak] 317 00:24:43,965 --> 00:24:53,112 ♪ 318 00:24:53,146 --> 00:25:02,293 ♪ 319 00:25:02,328 --> 00:25:04,537 More than 20 different kinds of bats 320 00:25:04,572 --> 00:25:06,401 roam the night sky here. 321 00:25:06,435 --> 00:25:10,163 ♪ 322 00:25:10,198 --> 00:25:12,959 And this is one of the most remarkable... 323 00:25:12,994 --> 00:25:14,651 the pallid bat... 324 00:25:17,446 --> 00:25:20,139 So called because of their light coloring, 325 00:25:20,173 --> 00:25:23,522 pallids are almost unique among bats... 326 00:25:26,076 --> 00:25:29,010 ...because of their hunting strategy. 327 00:25:29,044 --> 00:25:35,775 ♪ 328 00:25:35,810 --> 00:25:38,709 Unlike almost any other bat, 329 00:25:38,744 --> 00:25:43,196 pallid bats stalk their prey on the ground. 330 00:25:43,231 --> 00:25:49,444 ♪ 331 00:25:49,478 --> 00:25:53,586 But they wouldn't take the risk if it wasn't worth the reward. 332 00:25:53,621 --> 00:25:59,040 ♪ 333 00:25:59,074 --> 00:26:02,526 One theory about their unusual hunting strategy, 334 00:26:02,561 --> 00:26:05,391 is that pallids are much better able to hear their prey 335 00:26:05,425 --> 00:26:07,151 from ground level. 336 00:26:07,186 --> 00:26:13,710 ♪ 337 00:26:13,744 --> 00:26:20,233 ♪ 338 00:26:20,268 --> 00:26:24,065 But as many hunts fail as are successful... 339 00:26:24,099 --> 00:26:28,794 prey can give off toxic chemicals or simply fight back. 340 00:26:28,828 --> 00:26:34,040 ♪ 341 00:26:34,075 --> 00:26:39,356 ♪ 342 00:26:39,390 --> 00:26:42,877 But their unusual survival strategies don't stop there. 343 00:26:47,467 --> 00:26:50,919 Unlike almost any other insect-eating bat, 344 00:26:50,954 --> 00:26:54,233 pallids also drink nectar from cactus 345 00:26:54,267 --> 00:26:56,166 and other desert flowers. 346 00:27:04,795 --> 00:27:08,247 Because they have to burrow so far to get to the nectar, 347 00:27:08,281 --> 00:27:12,044 the pallids get covered in pollen. 348 00:27:12,078 --> 00:27:14,218 And they'll deliver great quantities 349 00:27:14,253 --> 00:27:15,530 of this precious cargo 350 00:27:15,564 --> 00:27:18,222 to the next flower they visit 351 00:27:18,257 --> 00:27:21,640 on their lifelong journeys through the desert night. 352 00:27:38,415 --> 00:27:42,315 Depending on your disposition, Big Bend has been called both 353 00:27:42,350 --> 00:27:46,285 a geologist's paradise and nightmare, 354 00:27:46,319 --> 00:27:50,530 so complicated are its landscapes and their stories. 355 00:27:50,565 --> 00:27:56,605 ♪ 356 00:27:56,640 --> 00:27:59,229 Some 140 million years ago, 357 00:27:59,263 --> 00:28:02,819 this was one vast, shallow, salty sea, 358 00:28:02,853 --> 00:28:06,374 dumping layers of sand across the entire region. 359 00:28:06,408 --> 00:28:10,516 ♪ 360 00:28:10,550 --> 00:28:13,312 Huge pressures within the Earth's crust 361 00:28:13,346 --> 00:28:15,383 then forced up the mountains, 362 00:28:15,417 --> 00:28:18,282 and later, magma burst through, 363 00:28:18,317 --> 00:28:21,354 forming these volcanic islands in the sky. 364 00:28:21,389 --> 00:28:31,054 ♪ 365 00:28:31,088 --> 00:28:33,263 And all of these stories in stone 366 00:28:33,297 --> 00:28:35,506 have been constantly scraped and sculpted 367 00:28:35,541 --> 00:28:38,751 by sun, wind and water. 368 00:28:38,786 --> 00:28:46,759 ♪ 369 00:28:46,794 --> 00:28:49,072 [Insects chirping] 370 00:29:08,263 --> 00:29:12,405 In spring, visitors might just catch a flash of crimson 371 00:29:12,440 --> 00:29:14,476 in Big Bend's skies. 372 00:29:17,686 --> 00:29:20,586 These are vermilion flycatchers... 373 00:29:20,620 --> 00:29:22,830 and while common all over Mexico, 374 00:29:22,864 --> 00:29:26,178 are in the northern limits of their range in Big Bend. 375 00:29:29,008 --> 00:29:32,840 This male's dazzling colors advertise his success 376 00:29:32,874 --> 00:29:34,324 as a hunter. 377 00:29:34,358 --> 00:29:37,706 In peak condition, he's positively radiant 378 00:29:37,741 --> 00:29:39,881 compared to his female partner. 379 00:29:39,916 --> 00:29:49,442 ♪ 380 00:29:49,477 --> 00:29:52,238 The couple have three newly hatched chicks 381 00:29:52,273 --> 00:29:55,207 and for the next few weeks the youngsters will demand 382 00:29:55,241 --> 00:29:57,934 all of their parent's time and energy. 383 00:30:00,833 --> 00:30:04,112 Both mom and dad feed the new arrivals, 384 00:30:04,147 --> 00:30:07,288 but when they need to be kept warm or quiet, 385 00:30:07,322 --> 00:30:10,912 it's usually mom who steps in to protect them. 386 00:30:10,947 --> 00:30:19,576 ♪ 387 00:30:19,610 --> 00:30:21,060 Not far away, 388 00:30:21,095 --> 00:30:24,132 in a nest barely the size of a golf ball, 389 00:30:24,167 --> 00:30:27,204 this Anna's hummingbird has two healthy chicks 390 00:30:27,239 --> 00:30:29,724 almost ready to leave the nest. 391 00:30:29,758 --> 00:30:37,352 ♪ 392 00:30:37,387 --> 00:30:39,561 This is unique footage... 393 00:30:39,596 --> 00:30:43,013 the first time these birds have ever been seen nesting 394 00:30:43,048 --> 00:30:45,947 in Big Bend. 395 00:30:45,982 --> 00:30:50,849 ♪ 396 00:30:50,883 --> 00:30:54,507 Though the chicks hatched barely two weeks ago, 397 00:30:54,542 --> 00:30:57,579 they've already grown most of their adult feathers. 398 00:31:01,376 --> 00:31:03,620 They're keen to leave their tiny home, 399 00:31:03,654 --> 00:31:05,553 but their first attempts at freedom 400 00:31:05,587 --> 00:31:07,382 can be a little clumsy... 401 00:31:07,417 --> 00:31:09,177 and dangerous. 402 00:31:14,976 --> 00:31:16,978 If this chick falls to the ground 403 00:31:17,013 --> 00:31:18,566 its life is over. 404 00:31:21,638 --> 00:31:24,123 There's little the panicked mother can do. 405 00:31:24,158 --> 00:31:33,822 ♪ 406 00:31:33,857 --> 00:31:43,522 ♪ 407 00:31:43,556 --> 00:31:45,627 After five agonizing minutes, 408 00:31:45,662 --> 00:31:48,113 the youngster is back where it should be... 409 00:31:48,147 --> 00:31:50,598 hopefully with a lesson learned. 410 00:31:55,810 --> 00:32:00,125 Not far away, the flycatcher dad is still hard at work 411 00:32:00,159 --> 00:32:02,058 hunting for his offspring. 412 00:32:02,092 --> 00:32:06,476 ♪ 413 00:32:06,510 --> 00:32:08,754 Barely two weeks after hatching, 414 00:32:08,788 --> 00:32:11,930 the chicks leave their nest for good. 415 00:32:15,485 --> 00:32:17,142 But they haven't yet learned 416 00:32:17,176 --> 00:32:19,316 proper flying and hunting skills, 417 00:32:19,351 --> 00:32:21,387 so the two parents are still flat out 418 00:32:21,422 --> 00:32:23,389 keeping up with their demands. 419 00:32:23,424 --> 00:32:32,226 ♪ 420 00:32:32,260 --> 00:32:36,195 And then one day, the parents don't return. 421 00:32:39,750 --> 00:32:42,063 Barely three weeks out of the egg, 422 00:32:42,098 --> 00:32:44,583 they're all on their own 423 00:32:44,617 --> 00:32:47,517 in a hot and hostile desert. 424 00:32:59,701 --> 00:33:03,015 Summer has arrived in Big Bend. 425 00:33:03,050 --> 00:33:05,397 When the sun climbs high in the sky, 426 00:33:05,431 --> 00:33:08,193 almost nothing stirs... 427 00:33:08,227 --> 00:33:13,922 ♪ 428 00:33:13,957 --> 00:33:17,478 Only mad dogs and Englishmen go out in the midday sun... 429 00:33:17,512 --> 00:33:20,481 so an old song goes. 430 00:33:20,515 --> 00:33:23,139 Neither are common in Big Bend. 431 00:33:25,727 --> 00:33:27,488 Their place is taken by 432 00:33:27,522 --> 00:33:30,491 one of the region's most colorful characters. 433 00:33:35,047 --> 00:33:39,189 A heat specialist, this male great earless lizard 434 00:33:39,224 --> 00:33:41,571 seems to relish the midday sun. 435 00:33:44,436 --> 00:33:46,990 Earless lizards don't live very long, 436 00:33:47,025 --> 00:33:50,338 so this mature male must hook up with a mate 437 00:33:50,373 --> 00:33:52,064 as quickly as possible. 438 00:33:55,481 --> 00:33:59,658 Unfortunately, there are plenty of other males about. 439 00:33:59,692 --> 00:34:03,455 Maybe showing off his splendid colors will send them packing. 440 00:34:04,628 --> 00:34:12,084 ♪ 441 00:34:12,119 --> 00:34:14,121 Males are territorial 442 00:34:14,155 --> 00:34:16,985 and try and guard their patch from all comers. 443 00:34:21,507 --> 00:34:23,475 It's an exhausting business. 444 00:34:23,509 --> 00:34:31,241 ♪ 445 00:34:31,276 --> 00:34:33,623 He's spotted a female... 446 00:34:33,657 --> 00:34:35,901 so he tries some moves 447 00:34:35,935 --> 00:34:38,869 that wouldn't be out of place in a city gymnasium. 448 00:34:38,904 --> 00:34:43,219 ♪ 449 00:34:43,253 --> 00:34:47,395 How many push-ups can you do... when its 100 degrees? 450 00:34:47,430 --> 00:34:52,573 ♪ 451 00:34:52,607 --> 00:34:55,334 His masculine maneuvers pay off... 452 00:34:55,369 --> 00:34:58,096 the female is on her way. 453 00:35:05,655 --> 00:35:08,485 Mating is brief. 454 00:35:08,520 --> 00:35:13,007 She'll go off and lay four or five eggs in the sand, 455 00:35:13,041 --> 00:35:15,147 while he gets back to the important business 456 00:35:15,182 --> 00:35:18,702 of looking good for the next lucky lady. 457 00:35:38,895 --> 00:35:41,898 While summer brings extreme heat to Big Bend, 458 00:35:41,932 --> 00:35:43,831 it also brings rain. 459 00:35:43,865 --> 00:35:47,869 [Thunderclaps in distance] 460 00:35:53,875 --> 00:35:57,224 Clouds roll in from the Gulf of Mexico, 461 00:35:57,258 --> 00:35:59,881 laden with water sucked off the surface 462 00:35:59,916 --> 00:36:01,504 of the Caribbean Sea. 463 00:36:01,538 --> 00:36:04,955 [Rain pattering] 464 00:36:09,443 --> 00:36:11,824 In the very hottest months of the year, 465 00:36:11,859 --> 00:36:15,587 Big Bend gets most of its annual ration of rain. 466 00:36:19,936 --> 00:36:22,421 At first it almost seems the desert creatures 467 00:36:22,456 --> 00:36:24,734 are stunned by its arrival. 468 00:36:24,768 --> 00:36:29,842 ♪ 469 00:36:29,877 --> 00:36:33,639 But there's no time to waste, for it won't last long. 470 00:36:33,674 --> 00:36:41,164 ♪ 471 00:36:41,199 --> 00:36:48,689 ♪ 472 00:36:48,723 --> 00:36:50,346 The water holes are magnets 473 00:36:50,380 --> 00:36:53,349 for some of Big Bend's most elusive creatures, 474 00:36:53,383 --> 00:36:55,834 usually almost impossible to find 475 00:36:55,868 --> 00:36:58,354 in its vast desert landscapes. 476 00:36:58,388 --> 00:37:03,600 ♪ 477 00:37:03,635 --> 00:37:08,847 ♪ 478 00:37:08,881 --> 00:37:11,539 [Splashing] 479 00:37:16,786 --> 00:37:19,098 [Bear grunts] 480 00:37:22,757 --> 00:37:25,691 Some 700,000 years ago, 481 00:37:25,726 --> 00:37:28,660 the ancestors of an iconic desert animal 482 00:37:28,694 --> 00:37:29,902 reached North America 483 00:37:29,937 --> 00:37:34,873 across what is today the Bering Straits. 484 00:37:34,907 --> 00:37:38,463 They had evolved in North Africa and their journey into America 485 00:37:38,497 --> 00:37:42,570 took them as far south as Texas and northern Mexico. 486 00:37:42,605 --> 00:37:48,438 ♪ 487 00:37:48,473 --> 00:37:51,510 These are desert bighorn sheep. 488 00:37:54,341 --> 00:37:57,240 Countless numbers of this ram's ancestors 489 00:37:57,275 --> 00:38:00,588 once roamed America until centuries of settlement 490 00:38:00,623 --> 00:38:03,004 and hunting almost wiped them out. 491 00:38:05,559 --> 00:38:08,700 Just a few thousand individuals survived... 492 00:38:08,734 --> 00:38:10,874 and none in Texas. 493 00:38:14,809 --> 00:38:17,502 But then began one of America's 494 00:38:17,536 --> 00:38:21,057 great wildlife reintroduction stories. 495 00:38:21,091 --> 00:38:25,303 It started with just seven animals released in 1973. 496 00:38:28,754 --> 00:38:32,413 Today more than 1,000 run wild 497 00:38:32,448 --> 00:38:36,175 in some of the most spectacular landscapes in Texas. 498 00:38:36,210 --> 00:38:42,458 ♪ 499 00:38:42,492 --> 00:38:45,253 Desert Bighorns are fantastically well adapted 500 00:38:45,288 --> 00:38:48,498 to Big Bend's parched landscapes. 501 00:38:48,533 --> 00:38:50,983 Supreme climbers, they rarely stray 502 00:38:51,018 --> 00:38:55,056 more than a few hundred yards from a cliff or steep slope... 503 00:38:55,091 --> 00:38:59,923 safe zones where no predator can match their speed or agility. 504 00:39:04,652 --> 00:39:07,241 Male bighorns usually keep to themselves 505 00:39:07,275 --> 00:39:11,176 in small bachelor groups... until breeding season. 506 00:39:12,798 --> 00:39:17,527 Then all the rules change. 507 00:39:17,562 --> 00:39:21,255 Hormones are loose on the desert wind. 508 00:39:25,466 --> 00:39:28,193 Before all-out war, the bachelors start 509 00:39:28,227 --> 00:39:30,402 honing their combat skills. 510 00:39:33,750 --> 00:39:37,236 Who will do final battle for the females? 511 00:39:42,241 --> 00:39:44,589 And it's not all noble jousting... 512 00:39:44,623 --> 00:39:48,316 they have plenty in the dirty tricks department... 513 00:39:48,351 --> 00:39:50,733 some of it below the belt. 514 00:39:50,767 --> 00:39:56,117 ♪ 515 00:39:56,152 --> 00:40:01,468 ♪ 516 00:40:01,502 --> 00:40:06,196 This provocative behavior helps to narrow the field: 517 00:40:06,231 --> 00:40:09,786 Who is truly willing to take on who? 518 00:40:13,341 --> 00:40:16,034 Weeks of this minor warfare 519 00:40:16,068 --> 00:40:19,624 finally sort out who is up for the ultimate fight. 520 00:40:19,658 --> 00:40:24,905 ♪ 521 00:40:24,939 --> 00:40:30,220 ♪ 522 00:40:30,255 --> 00:40:34,293 These massive collisions would shatter most animals' skulls, 523 00:40:34,328 --> 00:40:37,987 but everything about the bighorn is built for battle. 524 00:40:38,021 --> 00:40:43,233 ♪ 525 00:40:43,268 --> 00:40:48,480 ♪ 526 00:40:48,515 --> 00:40:53,243 The winner has won the right to mate with the females... 527 00:40:53,278 --> 00:40:56,488 this year's youngsters will carry his genes. 528 00:41:01,493 --> 00:41:06,049 Finally, it's time for some rest and recuperation. 529 00:41:10,260 --> 00:41:14,299 He's played his part in the return of bighorn sheep 530 00:41:14,333 --> 00:41:16,059 to Big Bend country. 531 00:41:28,451 --> 00:41:31,627 Summer is fast becoming a memory. 532 00:41:35,216 --> 00:41:38,254 But the summer rains have left their legacy. 533 00:41:44,087 --> 00:41:49,610 One third of the year's rain fell between July and September. 534 00:41:49,645 --> 00:41:53,718 In the mountains, it's a gift that keeps on giving. 535 00:41:53,752 --> 00:42:03,382 ♪ 536 00:42:03,417 --> 00:42:05,764 This is not New England in the fall, 537 00:42:05,799 --> 00:42:08,836 but a canyon in the middle of the Chihuahuan Desert. 538 00:42:08,871 --> 00:42:15,429 ♪ 539 00:42:15,463 --> 00:42:17,431 Stands of Douglas Fir, 540 00:42:17,465 --> 00:42:20,192 quaking aspen, and bigtooth maple 541 00:42:20,227 --> 00:42:22,609 have survived in the Chisos Mountains 542 00:42:22,643 --> 00:42:24,887 since the last Ice Age. 543 00:42:28,373 --> 00:42:31,963 And outposts of oak... 544 00:42:31,997 --> 00:42:34,828 and oak means acorns. 545 00:42:34,862 --> 00:42:42,456 ♪ 546 00:42:42,490 --> 00:42:50,084 ♪ 547 00:42:50,119 --> 00:42:57,713 ♪ 548 00:42:57,747 --> 00:43:00,267 For Big Bend's pioneering bears, 549 00:43:00,301 --> 00:43:03,132 fall is a time of peace and plenty. 550 00:43:03,891 --> 00:43:06,342 [Growls] 551 00:43:08,862 --> 00:43:11,658 Long afternoon naps in the leaf litter 552 00:43:11,692 --> 00:43:13,591 have some downsides. 553 00:43:17,422 --> 00:43:20,736 But few itches will survive a good stretch 554 00:43:20,770 --> 00:43:22,669 and a favorite tree trunk. 555 00:43:32,195 --> 00:43:33,541 This female's pregnant 556 00:43:33,576 --> 00:43:35,958 and building up precious layers of fat 557 00:43:35,992 --> 00:43:39,168 for the lean months ahead... 558 00:43:39,202 --> 00:43:42,723 and with luck, some new arrivals in spring. 559 00:43:42,758 --> 00:43:49,903 ♪ 560 00:43:49,937 --> 00:43:52,008 Big Bend's bears don't hibernate, 561 00:43:52,043 --> 00:43:55,460 but do go into long periods of low activity, or torpor, 562 00:43:55,494 --> 00:43:57,013 to conserve energy. 563 00:44:00,914 --> 00:44:02,501 For this mother-to-be, 564 00:44:02,536 --> 00:44:05,850 her fat reserves will be her lifeline. 565 00:44:05,884 --> 00:44:11,856 ♪ 566 00:44:24,040 --> 00:44:26,664 [Wind blowing] 567 00:44:34,361 --> 00:44:37,019 Winter in Big bend is a brief affair. 568 00:44:41,402 --> 00:44:46,269 If the north winds blow and the snow queen does visit, 569 00:44:46,304 --> 00:44:50,618 warm southerly breezes soon send her packing. 570 00:44:50,653 --> 00:44:57,487 ♪ 571 00:44:57,522 --> 00:45:04,391 ♪ 572 00:45:04,425 --> 00:45:11,294 ♪ 573 00:45:11,329 --> 00:45:14,159 By late March, temperatures are climbing. 574 00:45:19,544 --> 00:45:21,649 And under the cover of darkness, 575 00:45:21,684 --> 00:45:25,792 a voracious predator is closing in on Big Bend. 576 00:45:25,826 --> 00:45:30,831 ♪ 577 00:45:30,866 --> 00:45:35,008 Flying through the night he has come from the south, 578 00:45:35,042 --> 00:45:38,563 where he spent the winter waiting... 579 00:45:38,597 --> 00:45:41,186 and preparing for his journey north. 580 00:45:41,221 --> 00:45:46,295 ♪ 581 00:45:46,329 --> 00:45:48,262 For the next five months, 582 00:45:48,297 --> 00:45:51,162 he will bring a swift and silent death 583 00:45:51,196 --> 00:45:54,786 to countless creatures of the Big Bend night. 584 00:45:58,341 --> 00:46:01,517 He is an elf owl... 585 00:46:01,551 --> 00:46:05,314 the very smallest owl in the world... 586 00:46:05,348 --> 00:46:07,178 barely five inches high 587 00:46:07,212 --> 00:46:11,147 and weighing less than a tennis ball. 588 00:46:11,182 --> 00:46:15,186 But for elf owls, size truly doesn't matter. 589 00:46:17,671 --> 00:46:22,710 They'll tackle prey almost as big and powerful as themselves. 590 00:46:22,745 --> 00:46:27,681 ♪ 591 00:46:27,715 --> 00:46:32,617 ♪ 592 00:46:32,651 --> 00:46:37,587 ♪ 593 00:46:37,622 --> 00:46:40,867 This male elf owl now has a partner. 594 00:46:40,901 --> 00:46:42,800 She's moved into their nest... 595 00:46:42,834 --> 00:46:47,563 an old woodpecker hole in a giant agave stalk. 596 00:46:47,597 --> 00:46:49,910 Sitting on eggs, for the next few weeks 597 00:46:49,945 --> 00:46:53,362 she'll need him to do most of the hunting. 598 00:46:53,396 --> 00:46:57,435 And when she's hungry she lets him know all about it. 599 00:46:57,469 --> 00:46:59,920 [Twittering] 600 00:46:59,955 --> 00:47:04,925 ♪ 601 00:47:04,960 --> 00:47:09,965 ♪ 602 00:47:09,999 --> 00:47:11,759 From dusk to dawn, 603 00:47:11,794 --> 00:47:16,040 the male scours the surrounding desert for fresh supplies. 604 00:47:16,074 --> 00:47:23,288 ♪ 605 00:47:23,323 --> 00:47:30,502 ♪ 606 00:47:30,537 --> 00:47:31,745 After all his efforts, 607 00:47:31,779 --> 00:47:34,265 he seems tempted to have a quick snack on the job. 608 00:47:43,412 --> 00:47:46,622 But Mom is not impressed. 609 00:47:46,656 --> 00:47:48,900 Sitting on three ravenous chicks, 610 00:47:48,935 --> 00:47:51,316 she's not tolerating that kind of behavior. 611 00:47:55,700 --> 00:47:59,566 Every scrap of food is precious now. 612 00:47:59,600 --> 00:48:01,533 And with another three or four weeks 613 00:48:01,568 --> 00:48:03,604 before the young leave the nest, 614 00:48:03,639 --> 00:48:05,572 this extraordinary little father 615 00:48:05,606 --> 00:48:09,093 is facing many more hunting missions 616 00:48:09,127 --> 00:48:11,129 through the long desert nights. 617 00:48:36,085 --> 00:48:37,742 For the acorn woodpeckers, 618 00:48:37,776 --> 00:48:39,951 spring has been uneventful... 619 00:48:39,986 --> 00:48:43,265 so far. 620 00:48:43,299 --> 00:48:46,302 But trouble is on the horizon. 621 00:48:48,201 --> 00:48:50,582 ♪ 622 00:48:50,617 --> 00:48:53,654 And this time it's a family affair. 623 00:48:53,689 --> 00:49:00,972 ♪ 624 00:49:01,007 --> 00:49:08,221 ♪ 625 00:49:08,255 --> 00:49:15,573 ♪ 626 00:49:15,607 --> 00:49:19,301 The woodpeckers can only look on in anger. 627 00:49:19,335 --> 00:49:25,169 ♪ 628 00:49:25,203 --> 00:49:31,002 ♪ 629 00:49:31,037 --> 00:49:32,900 But there is some consolation: 630 00:49:32,935 --> 00:49:36,180 this mother bear is both healthy and heavy, 631 00:49:36,214 --> 00:49:38,285 and not desperate enough to risk climbing to 632 00:49:38,320 --> 00:49:39,977 the very top of the tree. 633 00:49:40,011 --> 00:49:44,843 ♪ 634 00:49:44,878 --> 00:49:47,639 The woodpecker's stash up there is safe... 635 00:49:47,674 --> 00:49:49,158 for now. 636 00:49:49,193 --> 00:49:55,337 ♪ 637 00:49:55,371 --> 00:49:58,409 But there are two other thieves in training. 638 00:49:58,443 --> 00:50:03,966 ♪ 639 00:50:04,001 --> 00:50:06,210 Still too young for the taller trees, 640 00:50:06,244 --> 00:50:08,833 it won't be long before these student climbers 641 00:50:08,867 --> 00:50:11,111 want to push their limits... 642 00:50:11,146 --> 00:50:13,251 and they'll be light and strong enough 643 00:50:13,286 --> 00:50:15,978 to go wherever they want. 644 00:50:16,013 --> 00:50:23,848 ♪ 645 00:50:23,882 --> 00:50:25,953 ♪ 646 00:50:25,988 --> 00:50:31,752 [Cub squawking] 647 00:50:31,787 --> 00:50:36,033 But that is some months away yet. 648 00:50:36,067 --> 00:50:39,933 For now, there is so much to see on the ground. 649 00:50:44,938 --> 00:50:46,905 Over the next year they'll depend on their mother 650 00:50:46,940 --> 00:50:49,046 to feed and protect them... 651 00:50:51,220 --> 00:50:53,636 ...and show them around the new world 652 00:50:53,671 --> 00:50:55,431 they have been born into. 653 00:50:58,089 --> 00:51:06,166 ♪ 654 00:51:06,201 --> 00:51:09,169 These cubs are truly special. 655 00:51:09,204 --> 00:51:14,450 Bears born in Big Bend, who will call this place home... 656 00:51:14,485 --> 00:51:17,419 ♪ 657 00:51:17,453 --> 00:51:19,904 ...a mountain and desert kingdom 658 00:51:19,938 --> 00:51:22,976 that for so long was missing their kind. 659 00:51:23,010 --> 00:51:29,155 ♪ 660 00:51:29,189 --> 00:51:32,537 They carry on the legacy of that pioneering female 661 00:51:32,572 --> 00:51:36,093 who came across the desert barely 30 years before. 662 00:51:38,681 --> 00:51:43,445 If nothing blocks their way, these cubs may come and go 663 00:51:43,479 --> 00:51:45,688 from their ancestral lands in Mexico. 664 00:51:45,723 --> 00:51:52,212 ♪ 665 00:51:52,247 --> 00:51:56,354 Big Bend's bears were the first to return to Texas... 666 00:51:56,389 --> 00:52:00,117 and with luck, they will not be the last. 667 00:52:00,151 --> 00:52:07,400 ♪ 668 00:52:07,434 --> 00:52:13,785 ♪ 669 00:52:17,651 --> 00:52:27,558 ♪ 670 00:52:27,592 --> 00:52:37,568 ♪ 671 00:52:37,602 --> 00:52:47,578 ♪ 672 00:52:47,612 --> 00:52:49,994 ♪ 673 00:52:50,028 --> 00:52:53,411 ♪ 674 00:52:53,446 --> 00:52:55,724 ♪ 675 00:52:55,758 --> 00:53:04,491 ♪