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These are the user uploaded subtitles that are being translated: 1 00:00:00,196 --> 00:00:04,200 (dramatic music) (birds squawking) 2 00:00:02,000 --> 00:00:07,000 Downloaded from YTS.MX 3 00:00:04,200 --> 00:00:06,600 The world is full of giants, 4 00:00:06,600 --> 00:00:09,453 huge creatures that fill us with awe and wonder. 5 00:00:08,000 --> 00:00:13,000 Official YIFY movies site: YTS.MX 6 00:00:15,923 --> 00:00:20,923 (buffalo snorts) (dramatic music) 7 00:00:22,835 --> 00:00:25,230 There are different ways of defining big. 8 00:00:25,230 --> 00:00:28,970 Biggest in volume or the biggest of their kind. 9 00:00:28,970 --> 00:00:31,887 (triumphant music) 10 00:00:36,100 --> 00:00:38,160 Some are gentle giants. 11 00:00:38,160 --> 00:00:39,933 Others are deadly hunters. 12 00:00:41,290 --> 00:00:44,163 Sometimes titans clash. 13 00:00:44,163 --> 00:00:46,996 (dramatic music) 14 00:00:48,177 --> 00:00:51,010 (birds squawking) 15 00:00:52,330 --> 00:00:53,630 But one thing is for sure, 16 00:00:54,480 --> 00:00:56,150 the huge animals of this world 17 00:00:56,150 --> 00:01:00,001 are fascinating, diverse, and beautiful. 18 00:01:00,001 --> 00:01:02,584 (gentle music) 19 00:01:04,995 --> 00:01:07,745 (dramatic music) 20 00:01:16,585 --> 00:01:19,335 (hippo snorting) 21 00:01:29,319 --> 00:01:31,150 (dramatic music) (water gurgling) 22 00:01:31,150 --> 00:01:32,913 A giant looms in the dark. 23 00:01:39,557 --> 00:01:43,810 (water gurgling) (dramatic music) 24 00:01:43,810 --> 00:01:45,390 A diver seems unaware, 25 00:01:50,545 --> 00:01:54,242 until a shadow appears from the murk. 26 00:01:54,242 --> 00:01:59,242 (suspenseful music) (water gurgling) 27 00:02:02,078 --> 00:02:03,578 An enormous shark. 28 00:02:05,595 --> 00:02:08,660 (mysterious music) 29 00:02:08,660 --> 00:02:10,710 But there is no need to panic. 30 00:02:10,710 --> 00:02:13,750 Despite being the second biggest fish on the planet, 31 00:02:13,750 --> 00:02:17,164 it eats only the smallest inhabitants of the sea. 32 00:02:17,164 --> 00:02:20,081 (mysterious music) 33 00:02:26,090 --> 00:02:27,803 This is the basking shark. 34 00:02:30,500 --> 00:02:33,980 It might just fall short of the record for the biggest fish, 35 00:02:33,980 --> 00:02:38,980 but it's a true giant up to 12 meters long and over 19 tons. 36 00:02:40,656 --> 00:02:44,390 (gentle music) (water gurgling) 37 00:02:44,390 --> 00:02:47,123 And as fish go, its mouth is the biggest, 38 00:02:50,350 --> 00:02:52,773 a vast sieve, a meter across. 39 00:02:53,754 --> 00:02:56,780 (mysterious music) 40 00:02:56,780 --> 00:02:59,370 Its gills, fanned out to the sides, 41 00:02:59,370 --> 00:03:02,280 not only extract oxygen from the water, 42 00:03:02,280 --> 00:03:03,630 but they are also modified 43 00:03:03,630 --> 00:03:05,563 to trap tiny particles from the sea. 44 00:03:06,903 --> 00:03:09,486 (gentle music) 45 00:03:11,370 --> 00:03:14,860 It locates and swims through areas of dense plankton, 46 00:03:14,860 --> 00:03:18,150 sifting through 2,000 cubic meters of water an hour, 47 00:03:18,150 --> 00:03:19,913 and filtering out the tiny food. 48 00:03:21,319 --> 00:03:26,200 (gentle music) (water gurgling) 49 00:03:26,200 --> 00:03:29,630 Humans seem drawn to the giants that share our world. 50 00:03:29,630 --> 00:03:31,343 They fascinate and inspire, 51 00:03:32,220 --> 00:03:34,000 but what is the attraction 52 00:03:34,000 --> 00:03:35,750 and why are these monsters so huge? 53 00:03:36,618 --> 00:03:39,201 (gentle music) 54 00:03:41,760 --> 00:03:44,333 The world can sometimes seem like a big place, 55 00:03:47,490 --> 00:03:49,313 a land of colossal creatures. 56 00:03:54,050 --> 00:03:56,880 These multi-ton mammals certainly dominate 57 00:03:56,880 --> 00:03:58,763 and even alter the landscapes, 58 00:04:03,990 --> 00:04:05,563 overshadowing their neighbors. 59 00:04:07,102 --> 00:04:09,769 (gentle music) 60 00:04:12,230 --> 00:04:14,070 But size isn't everything 61 00:04:14,070 --> 00:04:16,593 and giants can come in all shapes and sizes. 62 00:04:18,309 --> 00:04:21,476 (gentle upbeat music) 63 00:04:25,450 --> 00:04:28,200 (birds chirping) 64 00:04:30,180 --> 00:04:31,890 Even little things can be giant 65 00:04:33,120 --> 00:04:35,340 when something's the size of a black rat 66 00:04:35,340 --> 00:04:39,947 it doesn't sound very big unless it's a spider. 67 00:04:39,947 --> 00:04:42,697 (dramatic music) 68 00:04:49,410 --> 00:04:53,320 The world's biggest spiders can be 30 centimeters across 69 00:04:53,320 --> 00:04:56,530 and weigh 175 grams. 70 00:04:56,530 --> 00:04:59,767 They can even feed on small birds and mammals. 71 00:04:59,767 --> 00:05:04,070 (dramatic music) (birds chirping) 72 00:05:04,070 --> 00:05:06,480 Despite their fierce reputation, 73 00:05:06,480 --> 00:05:08,323 this tarantula's a diligent mother. 74 00:05:09,370 --> 00:05:12,343 She laid eggs on the ground and tended them for a month. 75 00:05:13,380 --> 00:05:15,350 Now the little ones will continue to live 76 00:05:15,350 --> 00:05:16,710 under her protection 77 00:05:16,710 --> 00:05:19,578 until they are ready to fend for themselves. 78 00:05:19,578 --> 00:05:22,328 (dramatic music) 79 00:05:25,010 --> 00:05:27,753 These creepy crawly colossi can terrify us. 80 00:05:28,790 --> 00:05:31,590 Of course, they have no interest in hunting down humans. 81 00:05:34,160 --> 00:05:35,880 We are the giants to them 82 00:05:35,880 --> 00:05:38,265 and they'd rather stay out of our way. 83 00:05:38,265 --> 00:05:43,265 (suspenseful music) (insects chirping) 84 00:05:44,846 --> 00:05:46,220 Climbing the size ladder, 85 00:05:46,220 --> 00:05:48,823 the biggest rodents can be as big as dogs. 86 00:05:49,692 --> 00:05:52,609 (mysterious music) 87 00:05:54,210 --> 00:05:56,780 We think of rodents as small, scurrying pests 88 00:05:56,780 --> 00:05:59,170 that hide in our skirting boards, 89 00:05:59,170 --> 00:06:02,238 but capybara are like monster mice. 90 00:06:02,238 --> 00:06:05,155 (mysterious music) 91 00:06:07,360 --> 00:06:11,123 Over a meter long and 66 kilos, bigger than a Labrador. 92 00:06:12,602 --> 00:06:15,830 (birds chirping) 93 00:06:15,830 --> 00:06:17,830 Their chunky bodies is a perfectly designed 94 00:06:17,830 --> 00:06:19,660 for a semi-aquatic life 95 00:06:19,660 --> 00:06:22,840 with their eyes, ears and nose high on their heads 96 00:06:22,840 --> 00:06:26,889 so they can stay submerged to escape the fierce midday sun. 97 00:06:26,889 --> 00:06:29,639 (birds chirping) 98 00:06:32,960 --> 00:06:35,250 The social mammals hang out in pods 99 00:06:35,250 --> 00:06:37,430 with numerous adults watching for danger 100 00:06:37,430 --> 00:06:38,830 while their youngsters play. 101 00:06:39,886 --> 00:06:42,636 (birds chirping) 102 00:06:45,350 --> 00:06:47,763 Capybaras are harmless gentle giants, 103 00:06:48,620 --> 00:06:50,743 but not all of the biggest are benign. 104 00:06:52,839 --> 00:06:55,672 (birds chirping) 105 00:06:58,240 --> 00:07:00,930 Crushing the scales at nearly a ton 106 00:07:00,930 --> 00:07:04,410 and able to stand upright to a height of 2 1/2 meters, 107 00:07:04,410 --> 00:07:05,923 as tall as a school bus, 108 00:07:06,830 --> 00:07:10,231 the lord of the Arctic, the polar bear. 109 00:07:10,231 --> 00:07:13,064 (birds chirping) 110 00:07:14,940 --> 00:07:18,160 Most bears are omnivores, but not this one. 111 00:07:18,160 --> 00:07:20,253 This is a carnivore through and through. 112 00:07:21,090 --> 00:07:24,692 One of the few creatures on earth that sees humans as food. 113 00:07:24,692 --> 00:07:27,525 (birds chirping) 114 00:07:29,000 --> 00:07:31,690 With legendary strength, it can kill whales, 115 00:07:31,690 --> 00:07:33,917 pulling them from under the ice. 116 00:07:33,917 --> 00:07:38,917 (birds squawking) (waves crashing) 117 00:07:45,850 --> 00:07:48,000 But in this case, he doesn't need to. 118 00:07:48,000 --> 00:07:49,913 A giant carcass has washed ashore. 119 00:07:52,502 --> 00:07:57,320 (birds squawking) (waves crashing) 120 00:07:57,320 --> 00:08:00,410 Polars can act like bears with sore heads. 121 00:08:00,410 --> 00:08:02,223 They don't usually like company, 122 00:08:04,550 --> 00:08:06,940 but when the sea serves up such a feast, 123 00:08:06,940 --> 00:08:09,655 they congregate in an uneasy truce. 124 00:08:09,655 --> 00:08:12,488 (birds squawking) 125 00:08:14,180 --> 00:08:15,580 Usually females with cubs 126 00:08:15,580 --> 00:08:18,223 avoid the big, dangerous males at all costs. 127 00:08:20,255 --> 00:08:23,040 But with the boys bulging with food, 128 00:08:23,040 --> 00:08:24,793 they feel safe enough to join in. 129 00:08:25,747 --> 00:08:28,664 (birds squawking) 130 00:08:30,680 --> 00:08:33,630 Polar bears can eat two kilos in a sitting, 131 00:08:33,630 --> 00:08:36,630 and it's not long before they are picking ar the bare bones. 132 00:08:40,430 --> 00:08:43,000 The Arctic doesn't always lay on such a feast. 133 00:08:43,000 --> 00:08:46,093 And as the summer draws in bears can go hungry. 134 00:08:48,343 --> 00:08:49,176 (dramatic music) 135 00:08:49,176 --> 00:08:52,702 Both their fat reserves and their tolerance wear thin. 136 00:08:52,702 --> 00:08:55,369 (gentle music) 137 00:08:57,440 --> 00:09:00,083 The first snowfalls are a sign that winter's coming, 138 00:09:00,940 --> 00:09:03,200 but it will take weeks for the seas to freeze 139 00:09:03,200 --> 00:09:05,995 and enable the bears to hunt for seals, 140 00:09:05,995 --> 00:09:08,662 (bright music) 141 00:09:10,170 --> 00:09:13,963 They're landlocked and hungry, and now tempers fray. 142 00:09:17,140 --> 00:09:19,480 This bruiser, missing his ear, is testimony 143 00:09:19,480 --> 00:09:21,593 to the potential severity of the fights. 144 00:09:22,430 --> 00:09:23,350 But for the most part, 145 00:09:23,350 --> 00:09:26,003 it's more like a point-scoring wrestling match. 146 00:09:27,210 --> 00:09:29,082 (wind whistling) 147 00:09:29,082 --> 00:09:31,260 (bears huffing) 148 00:09:31,260 --> 00:09:33,640 It's not to be taken lightly. 149 00:09:33,640 --> 00:09:38,237 30 centimeter paws are tipped with five centimeter claws. 150 00:09:38,237 --> 00:09:43,237 (dramatic music) (bears growling) 151 00:09:44,934 --> 00:09:47,340 And the skull, nearly half a meter long, 152 00:09:47,340 --> 00:09:50,113 can bite with 5,000 kilos of force. 153 00:09:51,217 --> 00:09:56,217 (dramatic music) (bears growling) 154 00:10:01,240 --> 00:10:04,530 The bears use their battles to sort out a pecking order. 155 00:10:04,530 --> 00:10:07,840 The biggest badass bears will dominate the best areas 156 00:10:07,840 --> 00:10:09,753 and will get to eat first at feasts. 157 00:10:11,598 --> 00:10:16,598 (dramatic music) (bears growling) 158 00:10:18,235 --> 00:10:21,652 The bigger the bear, the harder the fall. 159 00:10:24,610 --> 00:10:28,449 Big can be deadly, but also beautiful. 160 00:10:28,449 --> 00:10:31,199 (wind whistling) 161 00:10:32,055 --> 00:10:34,009 (birds chirping) 162 00:10:34,009 --> 00:10:36,210 (tiger roaring) 163 00:10:36,210 --> 00:10:38,360 With looks that can kill, 164 00:10:38,360 --> 00:10:41,253 the Siberian tiger is the biggest of cats. 165 00:10:44,876 --> 00:10:48,210 (birds chirping) 166 00:10:48,210 --> 00:10:52,120 It's so big and scary that it's been hunted by farmers, 167 00:10:52,120 --> 00:10:54,853 wanting to protect their livestock and families. 168 00:10:59,950 --> 00:11:02,850 That, combined with the fashion for beautiful furs, 169 00:11:02,850 --> 00:11:04,750 have pushed these giants to the brink. 170 00:11:06,404 --> 00:11:09,154 (birds chirping) 171 00:11:11,780 --> 00:11:14,130 Now they haunt only lonely remote areas 172 00:11:14,130 --> 00:11:15,433 of the boreal forest. 173 00:11:18,205 --> 00:11:21,038 (moose bellowing) 174 00:11:23,960 --> 00:11:26,563 This one follows in the tracks of some giant prey. 175 00:11:32,950 --> 00:11:35,433 Big cats need big meals. 176 00:11:39,100 --> 00:11:42,490 Moose, standing over two meters at the shoulders, 177 00:11:42,490 --> 00:11:45,353 are the largest members of the deer family. 178 00:11:45,353 --> 00:11:48,186 (birds chirping) 179 00:11:50,770 --> 00:11:52,960 Moose make their living nibbling twigs 180 00:11:52,960 --> 00:11:55,250 when no green growth is available 181 00:11:55,250 --> 00:11:57,770 and their broad hooves can act as snow shovels 182 00:11:57,770 --> 00:11:59,213 to uncover traces of grass. 183 00:12:00,641 --> 00:12:03,391 (dramatic music) 184 00:12:05,200 --> 00:12:09,240 But even when the feeding's hard work, they remain alert. 185 00:12:09,240 --> 00:12:12,240 (suspenseful music) 186 00:12:16,458 --> 00:12:21,458 (birds chirping) (suspenseful music) 187 00:12:23,780 --> 00:12:25,140 Their long legs enable them 188 00:12:25,140 --> 00:12:27,080 to step over the deep snow drifts 189 00:12:30,240 --> 00:12:31,793 that slow the tiger down. 190 00:12:33,207 --> 00:12:35,957 (dramatic music) 191 00:12:37,920 --> 00:12:40,503 Next time, he'll need a stealthier approach. 192 00:12:41,538 --> 00:12:44,371 (birds chirping) 193 00:12:53,300 --> 00:12:56,753 Next in line to the throne, the king of beasts. 194 00:12:56,753 --> 00:12:59,940 (wildebeest bellowing) 195 00:12:59,940 --> 00:13:02,860 There is no doubt that lions are magnificent cats 196 00:13:02,860 --> 00:13:04,900 and not exactly small. 197 00:13:04,900 --> 00:13:07,823 Big males can weigh 270 kilos. 198 00:13:11,090 --> 00:13:13,470 The characteristic manes of the males can vary 199 00:13:13,470 --> 00:13:15,330 in different parts of their range 200 00:13:15,330 --> 00:13:17,803 and can be any shade from black to blonde. 201 00:13:22,770 --> 00:13:26,560 They also have one of the most impressive voices in Africa, 202 00:13:26,560 --> 00:13:28,960 deep rumbling sound waves that can be heard 203 00:13:28,960 --> 00:13:32,193 from eight kilometers away, even by human ears. 204 00:13:36,680 --> 00:13:39,653 They're not quite as huge as their stripey counterparts, 205 00:13:40,750 --> 00:13:43,053 but they make up for size with teamwork. 206 00:13:43,912 --> 00:13:46,662 (dramatic music) 207 00:13:49,570 --> 00:13:53,460 The plains of Africa have some of the biggest inhabitants. 208 00:13:53,460 --> 00:13:55,700 As the plant eaters got bigger, 209 00:13:55,700 --> 00:13:58,950 the predators needed to evolve new strategies to hunt them. 210 00:14:01,960 --> 00:14:04,320 Lions are the only members of the cat family 211 00:14:04,320 --> 00:14:05,993 to function in prides. 212 00:14:08,267 --> 00:14:10,340 (lions growling) 213 00:14:10,340 --> 00:14:13,150 Prides typically consist of related females 214 00:14:13,150 --> 00:14:16,333 and the few unrelated males who have claimed the throne. 215 00:14:20,910 --> 00:14:24,253 Among cubs, only the male's bloodline will be tolerated. 216 00:14:26,826 --> 00:14:29,659 (hooves thudding) 217 00:14:35,340 --> 00:14:38,720 With the extra muscle power, there is no giant of the plains 218 00:14:38,720 --> 00:14:41,450 that's too big for this gang to tackle. 219 00:14:41,450 --> 00:14:44,283 (dramatic music) 220 00:14:51,462 --> 00:14:55,212 (dramatic suspenseful music) 221 00:15:09,866 --> 00:15:11,530 But with their social development, 222 00:15:11,530 --> 00:15:14,080 lions have also evolved a complex hunting behavior. 223 00:15:16,397 --> 00:15:19,397 (suspenseful music) 224 00:15:23,130 --> 00:15:26,670 The pride fans out with flankers moving into position 225 00:15:26,670 --> 00:15:28,713 to cut off their prey's escape routes. 226 00:15:29,628 --> 00:15:32,461 (dramatic music) 227 00:15:33,990 --> 00:15:37,240 While the strikers creep in as close as they can, 228 00:15:37,240 --> 00:15:38,803 ready to spring the trap. 229 00:15:39,681 --> 00:15:43,063 (suspenseful music) 230 00:15:43,063 --> 00:15:46,313 (wildebeest bellowing) 231 00:15:49,328 --> 00:15:52,328 (suspenseful music) 232 00:16:05,007 --> 00:16:10,007 (wildebeest bellowing) (suspenseful music) 233 00:16:25,980 --> 00:16:28,130 One of the strikers fall short of the mark. 234 00:16:30,173 --> 00:16:33,006 (dramatic music) 235 00:16:37,807 --> 00:16:41,307 But the frightened herd's playing into the pride's paws. 236 00:16:42,669 --> 00:16:45,419 (dramatic music) 237 00:16:55,200 --> 00:16:58,620 A wildebeest can weigh 250 kilos, 238 00:16:58,620 --> 00:17:00,420 but it's a push-over for this pussy. 239 00:17:04,770 --> 00:17:06,943 But despite their strength and pack play, 240 00:17:08,054 --> 00:17:11,004 still only one in 10 of the big cat's hunts end in success. 241 00:17:12,246 --> 00:17:13,910 (gentle music) 242 00:17:13,910 --> 00:17:15,900 A successful hunt largely comes down 243 00:17:15,900 --> 00:17:18,310 to assessing the strength of prey. 244 00:17:18,310 --> 00:17:20,190 If they pick the right victim, 245 00:17:20,190 --> 00:17:22,240 there'll be on the fast track to success, 246 00:17:26,450 --> 00:17:28,600 But they're not the only giants to gang up. 247 00:17:29,822 --> 00:17:34,822 (buffalo grunting) (mysterious music) 248 00:17:35,930 --> 00:17:39,020 Cape Buffalo are no easy target. 249 00:17:39,020 --> 00:17:40,970 Giants in their own right, 250 00:17:40,970 --> 00:17:43,540 these bad tempered, wild cattle can weigh 251 00:17:43,540 --> 00:17:48,540 nearly a ton topped off with 130-centimeter sharp horns. 252 00:17:48,758 --> 00:17:52,270 (suspenseful music) 253 00:17:52,270 --> 00:17:53,430 The most dangerous predators 254 00:17:53,430 --> 00:17:55,860 are the ones you don't see coming. 255 00:17:55,860 --> 00:17:58,260 The buffalo prefer to have the upper hand 256 00:17:58,260 --> 00:18:01,523 and when they spot danger, they present a United front. 257 00:18:03,800 --> 00:18:05,550 The lion tries to call their bluff, 258 00:18:07,820 --> 00:18:10,690 but faced with many tons of horned heavyweights, 259 00:18:10,690 --> 00:18:11,903 his nerves crack. 260 00:18:12,973 --> 00:18:15,806 (dramatic music) 261 00:18:27,847 --> 00:18:29,790 Buffalo have been known to disembowel lions 262 00:18:29,790 --> 00:18:31,133 with a flick of the horns. 263 00:18:36,840 --> 00:18:39,260 These gangs routinely clash, 264 00:18:39,260 --> 00:18:41,563 and there can be casualties on both sides. 265 00:18:42,630 --> 00:18:45,630 (suspenseful music) 266 00:18:48,630 --> 00:18:51,240 When caught alone or taken by surprise, 267 00:18:51,240 --> 00:18:52,823 the buffalo can be in trouble. 268 00:18:54,202 --> 00:18:56,952 (dramatic music) 269 00:19:21,522 --> 00:19:26,522 (suspenseful music) (birds chirping) 270 00:19:29,410 --> 00:19:31,730 For lions, it's worth the risk. 271 00:19:31,730 --> 00:19:33,690 A carcass this size can keep a family 272 00:19:33,690 --> 00:19:35,193 in beef dinners for a week. 273 00:19:41,160 --> 00:19:43,490 Buffalo are formidable foe. 274 00:19:43,490 --> 00:19:45,220 Their herds can be so huge, 275 00:19:45,220 --> 00:19:47,100 both in numbers and tonnage 276 00:19:47,100 --> 00:19:49,400 that they must keep constantly on the move 277 00:19:49,400 --> 00:19:52,050 so they don't graze themselves out of house and home. 278 00:19:54,243 --> 00:19:57,263 And when they stand together, they are almost untouchable. 279 00:19:59,140 --> 00:20:01,290 The titanic battles of predator and prey 280 00:20:01,290 --> 00:20:02,943 aren't limited to the plains. 281 00:20:04,372 --> 00:20:06,082 (water whooshing) 282 00:20:06,082 --> 00:20:08,665 (gentle music) 283 00:20:09,730 --> 00:20:11,673 Sperm whales are true giants. 284 00:20:12,600 --> 00:20:16,223 The bulls can be 19 meters long and weigh 50 tons. 285 00:20:18,810 --> 00:20:21,360 They're enormous heads can make up a third of the length 286 00:20:21,360 --> 00:20:23,373 and house fist-sized teeth. 287 00:20:24,890 --> 00:20:28,233 In fact, they're the biggest toothed animals on earth. 288 00:20:29,650 --> 00:20:32,233 (gentle music) 289 00:20:35,243 --> 00:20:37,993 (water gurgling) 290 00:20:43,040 --> 00:20:45,120 They also have the biggest brains. 291 00:20:45,120 --> 00:20:48,674 At eight kilos, they are five times than our own. 292 00:20:48,674 --> 00:20:51,257 (gentle music) 293 00:20:53,560 --> 00:20:56,800 And they use their colossal intellect for social skills, 294 00:20:56,800 --> 00:20:59,637 but also for their abilities to hunt. 295 00:20:59,637 --> 00:21:02,470 (water whooshing) 296 00:21:06,760 --> 00:21:08,830 They are record breaking divers, 297 00:21:08,830 --> 00:21:12,010 descending two kilometers deep and holding their breath 298 00:21:12,010 --> 00:21:13,500 for nearly two hours to hunt 299 00:21:13,500 --> 00:21:15,813 in the cold dark depths of the ocean. 300 00:21:16,882 --> 00:21:19,465 (gentle music) 301 00:21:20,632 --> 00:21:23,465 (water whooshing) 302 00:21:25,740 --> 00:21:28,040 The details of what happens there are lacking, 303 00:21:29,010 --> 00:21:32,410 but it is known that they hunt and eat giant squid, 304 00:21:32,410 --> 00:21:35,173 the biggest and most intelligent invertebrates. 305 00:21:36,454 --> 00:21:39,121 (gentle music) 306 00:21:40,094 --> 00:21:42,844 (water gurgling) 307 00:21:49,350 --> 00:21:51,740 Giant squid are rarely seen, 308 00:21:51,740 --> 00:21:55,430 but they are almost identical to these smaller cousins. 309 00:21:55,430 --> 00:21:58,960 Fierce predators in their own right, fast and brainy, 310 00:21:58,960 --> 00:22:02,750 squid are not easy targets and sperm whales carry scars 311 00:22:02,750 --> 00:22:06,624 that prove giant squid are capable of putting up a fight. 312 00:22:06,624 --> 00:22:09,374 (water gurgling) 313 00:22:11,130 --> 00:22:14,093 Every group of animals seems to have tried supersizing. 314 00:22:15,710 --> 00:22:17,510 The birds have done a pretty good job 315 00:22:17,510 --> 00:22:19,833 and several giants tower over their peers. 316 00:22:20,970 --> 00:22:23,803 (birds chirping) 317 00:22:26,590 --> 00:22:29,050 Male ostriches are bigger than the females. 318 00:22:29,050 --> 00:22:33,163 They can tower two meters into the air and weigh 130 kilos. 319 00:22:38,960 --> 00:22:42,463 To a predator, that could equal one big bucket of chicken. 320 00:22:44,860 --> 00:22:47,103 These giants are too big and heavy to fly. 321 00:22:52,010 --> 00:22:55,323 But sometimes the benefits of being big outweigh the loss. 322 00:22:57,409 --> 00:23:00,409 (suspenseful music) 323 00:23:07,970 --> 00:23:10,300 With the biggest eyes of any land animal, 324 00:23:10,300 --> 00:23:12,293 the male's quick to spot danger. 325 00:23:17,310 --> 00:23:20,250 He fans the contrasting white wing feathers, 326 00:23:20,250 --> 00:23:23,030 showing that while they might not be good for flying, 327 00:23:23,030 --> 00:23:25,333 the wings can still put on quite a show. 328 00:23:26,919 --> 00:23:29,919 (suspenseful music) 329 00:23:32,070 --> 00:23:34,820 (dramatic music) 330 00:23:38,390 --> 00:23:40,650 He weighs twice as much as a cheetah 331 00:23:40,650 --> 00:23:42,443 and the hungry cat backs down. 332 00:23:43,800 --> 00:23:45,470 A wise move. 333 00:23:45,470 --> 00:23:48,743 An ostrich can kick with bone shattering force. 334 00:23:50,017 --> 00:23:52,767 (birds chirping) 335 00:23:54,010 --> 00:23:57,540 Because of their intimidating size and incredible vision, 336 00:23:57,540 --> 00:23:59,740 ostriches are useful neighbors 337 00:23:59,740 --> 00:24:02,170 and many hoofed animals stay close 338 00:24:02,170 --> 00:24:05,143 knowing the ostriches will warn them of approaching danger. 339 00:24:10,210 --> 00:24:13,990 Their ancestors were large, heavy-bodied flying birds. 340 00:24:13,990 --> 00:24:16,560 Thanks to their wings, they were able to spread 341 00:24:16,560 --> 00:24:18,620 and around 70 million years ago, 342 00:24:18,620 --> 00:24:21,007 colonized new areas of the world. 343 00:24:21,007 --> 00:24:22,750 (upbeat music) 344 00:24:22,750 --> 00:24:25,830 But this family of birds had lofty ideas. 345 00:24:25,830 --> 00:24:29,323 Wherever they landed, they seemed to evolve the same traits. 346 00:24:30,660 --> 00:24:31,948 The ostriches of Africa have cousins 347 00:24:31,948 --> 00:24:34,523 in South America, the ria. 348 00:24:40,383 --> 00:24:43,952 And in Australia, the emu and cassowary. 349 00:24:43,952 --> 00:24:47,440 (gentle upbeat music) 350 00:24:47,440 --> 00:24:50,443 Collectively, they are known as the ratites. 351 00:24:52,600 --> 00:24:55,293 All have abandoned flight in favor of size. 352 00:24:58,200 --> 00:25:00,550 They have a few other traits in common as well. 353 00:25:04,130 --> 00:25:06,070 In all species, it's the male 354 00:25:06,070 --> 00:25:07,620 who does most of the parenting. 355 00:25:08,936 --> 00:25:11,686 (birds chirping) 356 00:25:12,520 --> 00:25:15,920 Down under the proud pops go a stage further 357 00:25:15,920 --> 00:25:17,393 and raise their chicks alone. 358 00:25:23,470 --> 00:25:25,773 The emu dad leads his chicks to water. 359 00:25:27,262 --> 00:25:28,990 (birds chirping) 360 00:25:28,990 --> 00:25:30,130 In the desert, 361 00:25:30,130 --> 00:25:33,550 a knowledge of water sources is the key to survival 362 00:25:33,550 --> 00:25:36,495 and the chicks will learn from their parents' guidance. 363 00:25:36,495 --> 00:25:39,328 (water splashing) 364 00:25:54,068 --> 00:25:57,568 All ratites are born with humbug striping, 365 00:25:58,562 --> 00:26:01,360 a useful camouflage against predators. 366 00:26:01,360 --> 00:26:03,320 Although only the bravest of hunters would try 367 00:26:03,320 --> 00:26:05,070 and snatch one of these youngsters. 368 00:26:08,546 --> 00:26:10,750 They're single dad's diligent and blessed 369 00:26:10,750 --> 00:26:15,408 with eagle eyes, fast speeds, and a powerful kick. 370 00:26:15,408 --> 00:26:18,241 (birds chirping) 371 00:26:20,442 --> 00:26:23,275 (water whooshing) 372 00:26:24,780 --> 00:26:27,130 But moving from the desert to the jungle, 373 00:26:27,130 --> 00:26:30,503 the ratites have raised the stakes in the arms race. 374 00:26:34,630 --> 00:26:37,810 The distinctive cassowary, with his bold blue head topped 375 00:26:37,810 --> 00:26:40,360 with a magnificent helmet style crest 376 00:26:40,360 --> 00:26:43,093 is often labeled the world's most dangerous bird. 377 00:26:46,320 --> 00:26:49,110 The first toe on his huge feet is tipped 378 00:26:49,110 --> 00:26:50,913 with a 12 centimeter claw. 379 00:26:52,218 --> 00:26:54,500 (water whooshing) 380 00:26:54,500 --> 00:26:56,270 He won't hesitate to draw this weapon 381 00:26:56,270 --> 00:26:58,310 on any predator that threatens his brood 382 00:27:00,111 --> 00:27:02,861 (water gurgling) 383 00:27:04,725 --> 00:27:08,860 (water whooshing) (birds chirping) 384 00:27:08,860 --> 00:27:12,070 Cassowaries are often likened to the velociraptor 385 00:27:12,070 --> 00:27:13,333 for their lethal claws. 386 00:27:14,170 --> 00:27:15,970 And because the meat-eating dinosaurs 387 00:27:15,970 --> 00:27:18,920 were very closely related to modern birds, 388 00:27:18,920 --> 00:27:21,110 this is probably as close as you can get 389 00:27:21,110 --> 00:27:23,426 to watching a living dinosaur. 390 00:27:23,426 --> 00:27:26,176 (birds chirping) 391 00:27:27,740 --> 00:27:30,350 His chicks are just a few weeks old. 392 00:27:30,350 --> 00:27:32,613 They will follow their father for nine months. 393 00:27:35,916 --> 00:27:38,666 (birds chirping) 394 00:27:40,040 --> 00:27:41,810 They need this extended field school 395 00:27:41,810 --> 00:27:43,800 to learn about the dangers of the forest 396 00:27:43,800 --> 00:27:47,200 and how to identify the 25 different families of plants 397 00:27:47,200 --> 00:27:49,771 that are safe and nutritious to eat. 398 00:27:49,771 --> 00:27:52,960 (gentle music) 399 00:27:52,960 --> 00:27:56,580 The favorite food of these giant birds is fallen fruit 400 00:27:56,580 --> 00:27:58,960 and they are especially attracted to any food 401 00:27:58,960 --> 00:28:01,703 that color coordinates with their spectacular necks. 402 00:28:02,729 --> 00:28:07,729 (gentle music) (birds chirping) 403 00:28:08,270 --> 00:28:11,420 The chicks scrutinize his every move, 404 00:28:11,420 --> 00:28:13,643 mimicking him to get the technique right. 405 00:28:15,286 --> 00:28:17,953 (gentle music) 406 00:28:20,560 --> 00:28:22,579 Sometimes they jump the gun 407 00:28:22,579 --> 00:28:23,783 and bite off more than they can chew. 408 00:28:24,644 --> 00:28:27,394 (dramatic music) 409 00:28:31,410 --> 00:28:34,473 But luckily, before they choke, dad comes to the rescue. 410 00:28:35,827 --> 00:28:40,827 (gentle music) (birds chirping) 411 00:28:44,238 --> 00:28:46,821 (bright music) 412 00:29:02,190 --> 00:29:04,260 They will stay with him for nine months 413 00:29:04,260 --> 00:29:06,560 and eventually they'll get the hang of things. 414 00:29:08,696 --> 00:29:11,279 (gentle music) 415 00:29:14,603 --> 00:29:17,520 Not all giant birds are flightless. 416 00:29:23,039 --> 00:29:25,789 (dramatic music) 417 00:29:29,880 --> 00:29:32,690 Hunting the Aussie Outback, a kookaburra, 418 00:29:32,690 --> 00:29:34,353 the world's biggest kingfisher. 419 00:29:35,213 --> 00:29:38,130 (mysterious music) 420 00:29:44,300 --> 00:29:46,020 He's not exactly huge, 421 00:29:46,020 --> 00:29:49,010 but he's 10 times the size of the European kingfisher 422 00:29:49,010 --> 00:29:50,673 and with a 10 centimeter beak. 423 00:29:52,961 --> 00:29:55,544 (gentle music) 424 00:29:58,498 --> 00:30:01,248 (birds chirping) 425 00:30:02,580 --> 00:30:05,580 (dramatic music) 426 00:30:05,580 --> 00:30:06,930 He's good at using that weapon 427 00:30:06,930 --> 00:30:08,943 against a wide variety of victims. 428 00:30:10,512 --> 00:30:15,512 (dramatic music) (birds chirping) 429 00:30:16,587 --> 00:30:19,420 (water splashing) 430 00:30:21,141 --> 00:30:22,800 Fishing is a family trait, 431 00:30:22,800 --> 00:30:24,180 but he'll also turn his attention 432 00:30:24,180 --> 00:30:27,933 to insects, rodents, lizards, baby birds. 433 00:30:29,106 --> 00:30:31,856 (dramatic music) 434 00:30:36,750 --> 00:30:38,560 This time it's a yabby, 435 00:30:38,560 --> 00:30:41,007 a freshwater crayfish that catches his eye. 436 00:30:42,026 --> 00:30:44,776 (dramatic music) 437 00:30:58,040 --> 00:31:00,790 (birds chirping) 438 00:31:02,620 --> 00:31:05,373 It's a powerful crustacean with vicious claws. 439 00:31:10,460 --> 00:31:13,523 But the kookaburra is an expert at disarmament. 440 00:31:13,523 --> 00:31:16,356 (dramatic music) 441 00:31:19,130 --> 00:31:20,630 The kookaburra shares the bush 442 00:31:20,630 --> 00:31:22,883 with Australia's largest native mammal. 443 00:31:23,806 --> 00:31:26,556 (dramatic music) 444 00:31:28,810 --> 00:31:31,800 The biggest of bouncers, the red kangaroo, 445 00:31:31,800 --> 00:31:33,933 is the largest marsupial in the world. 446 00:31:35,032 --> 00:31:37,650 (dramatic music) 447 00:31:37,650 --> 00:31:39,380 The females are big, 448 00:31:39,380 --> 00:31:42,650 but the big reds can be twice their size, 449 00:31:42,650 --> 00:31:44,583 two meters by 90 kilos. 450 00:31:45,479 --> 00:31:48,396 (triumphant music) 451 00:31:52,380 --> 00:31:54,150 They're incredible legs can carry them 452 00:31:54,150 --> 00:31:57,100 a whopping eight meters in a single bounce, 453 00:31:57,100 --> 00:31:59,430 but thanks to a unique design, 454 00:31:59,430 --> 00:32:02,110 rubbery tendons stretch and store energy 455 00:32:02,110 --> 00:32:04,660 from each bounce to propel the next. 456 00:32:04,660 --> 00:32:07,440 So no matter how fast the kangaroo is traveling, 457 00:32:07,440 --> 00:32:09,183 it hardly expends any energy. 458 00:32:10,240 --> 00:32:13,073 (dramatic music) 459 00:32:14,790 --> 00:32:17,470 Being efficient is vital, both to save energy 460 00:32:17,470 --> 00:32:20,720 in a scorching landscape where food could be in short supply 461 00:32:22,610 --> 00:32:26,020 and to cover vast distance on this huge continent 462 00:32:26,020 --> 00:32:27,640 where it might take days to travel 463 00:32:27,640 --> 00:32:29,533 from one water source to the next. 464 00:32:30,677 --> 00:32:33,510 (dramatic music) 465 00:32:40,190 --> 00:32:42,520 The red giants don't start out that way. 466 00:32:42,520 --> 00:32:44,193 They begin pink and puny. 467 00:32:47,350 --> 00:32:50,440 Being marsupials, the babies called joeys, 468 00:32:50,440 --> 00:32:53,330 are born prematurely and will finish their development 469 00:32:53,330 --> 00:32:55,352 in their mother's pouch. 470 00:32:55,352 --> 00:32:58,640 (heartbeat thudding) 471 00:32:58,640 --> 00:33:01,190 At birth they are barely the size of a kidney bean. 472 00:33:02,980 --> 00:33:05,680 It will take two years for them to jump up the scales. 473 00:33:09,670 --> 00:33:13,222 Size is everything in kangaroo society. 474 00:33:13,222 --> 00:33:15,972 (birds chirping) 475 00:33:17,460 --> 00:33:19,870 These bouncers are boxers. 476 00:33:19,870 --> 00:33:21,200 During the breeding season, 477 00:33:21,200 --> 00:33:23,840 the boys spar to demonstrate their strength, 478 00:33:23,840 --> 00:33:25,343 hoping to impress the ladies. 479 00:33:28,460 --> 00:33:30,013 They lock arms and kick. 480 00:33:31,452 --> 00:33:34,202 (dramatic music) 481 00:33:35,260 --> 00:33:36,800 Their legs are so powerful 482 00:33:36,800 --> 00:33:38,870 and tipped with big sharp claws 483 00:33:38,870 --> 00:33:40,420 that they can disembowel a man. 484 00:33:42,460 --> 00:33:45,010 But luckily the skin on their bellies is thickened. 485 00:33:46,030 --> 00:33:47,523 So serious injuries are rare. 486 00:33:49,095 --> 00:33:52,160 (dramatic music) 487 00:33:52,160 --> 00:33:54,980 But these roos are just youngsters, practicing, 488 00:33:54,980 --> 00:33:56,253 ready for the big fight. 489 00:33:57,160 --> 00:33:59,910 (dramatic music) 490 00:34:00,750 --> 00:34:03,600 It's a bit more serious when the big boys take the stage. 491 00:34:05,794 --> 00:34:08,040 (dramatic music) 492 00:34:08,040 --> 00:34:11,373 Muscles bulge and fur fliers as they battle for supremacy. 493 00:34:14,210 --> 00:34:17,503 Whether mammals or birds, the world is full of giants. 494 00:34:20,453 --> 00:34:23,203 (wind whistling) 495 00:34:26,270 --> 00:34:28,963 Some of the biggest fliers are birds of prey. 496 00:34:34,200 --> 00:34:37,220 One meter 30 from wingtip to wingtip, 497 00:34:37,220 --> 00:34:41,010 the Stella's sea eagle could have inspired dragon myths, 498 00:34:41,010 --> 00:34:43,136 a true monster of the skies. 499 00:34:43,136 --> 00:34:46,053 (triumphant music) 500 00:34:51,390 --> 00:34:53,940 It pays to be big in this toughest of environments. 501 00:35:02,410 --> 00:35:04,140 The ice floes of northeast Asia 502 00:35:04,140 --> 00:35:05,640 will be their home for winter. 503 00:35:07,294 --> 00:35:12,294 (birds squawking) (dramatic music) 504 00:35:14,210 --> 00:35:16,920 The flock together, not to be social, 505 00:35:16,920 --> 00:35:19,193 but to cash in on an abundance of fish, 506 00:35:23,750 --> 00:35:26,013 which they catch with fist-sizes talons. 507 00:35:27,756 --> 00:35:30,980 (dramatic music) 508 00:35:30,980 --> 00:35:34,223 At nearly a kilo in weight, they are the heaviest of eagles. 509 00:35:35,110 --> 00:35:37,510 They can carry fish almost as heavy as they are. 510 00:35:38,635 --> 00:35:41,468 (dramatic music) 511 00:35:44,924 --> 00:35:47,757 (water splashing) 512 00:36:01,457 --> 00:36:04,290 (birds squawking) 513 00:36:06,800 --> 00:36:08,840 But despite the abundance, 514 00:36:08,840 --> 00:36:11,740 there are always some that would rather avoid the hard work 515 00:36:11,740 --> 00:36:13,890 and take advantage of someone else's catch. 516 00:36:15,197 --> 00:36:17,947 (wind whooshing) 517 00:36:21,000 --> 00:36:22,543 Ravens join the buffet. 518 00:36:26,164 --> 00:36:27,949 (birds squawking) 519 00:36:27,949 --> 00:36:30,250 (dramatic music) 520 00:36:30,250 --> 00:36:33,363 But as bird numbers grow, so does the tension. 521 00:36:35,787 --> 00:36:38,537 (dramatic music) 522 00:36:43,640 --> 00:36:46,280 Though they appear to have meat cleaver beaks, 523 00:36:46,280 --> 00:36:48,700 that tool's saved for eating. 524 00:36:48,700 --> 00:36:51,322 Their talons of our primary weapon. 525 00:36:51,322 --> 00:36:56,322 (birds squawking) (dramatic music) 526 00:37:11,334 --> 00:37:13,917 (wind howling) 527 00:37:18,855 --> 00:37:19,688 (gentle music) 528 00:37:19,688 --> 00:37:22,613 The biggest bird of prey has a very different disposition, 529 00:37:24,060 --> 00:37:28,233 soaring over massive mountains, the colossal Andean condor. 530 00:37:33,940 --> 00:37:35,710 Nesting high above the world, 531 00:37:35,710 --> 00:37:38,720 these huge vultures exhibit their tender side, 532 00:37:38,720 --> 00:37:42,171 performing a courtship ritual before heading off to feed. 533 00:37:42,171 --> 00:37:44,838 (birds hooting) 534 00:37:53,920 --> 00:37:55,590 They use the thermals, 535 00:37:55,590 --> 00:37:58,030 drafts of hot air rising from the land, 536 00:37:58,030 --> 00:38:02,123 to lift their 15 kilo bodies on 3.3 meter wings. 537 00:38:06,250 --> 00:38:07,760 So despite their weight, 538 00:38:07,760 --> 00:38:10,973 they barely need to flap and hardly expend any energy. 539 00:38:13,270 --> 00:38:15,590 The giant condors take their time, 540 00:38:15,590 --> 00:38:17,703 scanning the area to make sure it's safe. 541 00:38:19,430 --> 00:38:21,680 It's sometimes hours or even days 542 00:38:21,680 --> 00:38:23,730 before they are confident enough to land. 543 00:38:24,671 --> 00:38:26,800 (birds chirping) 544 00:38:26,800 --> 00:38:30,030 But once they have, all manners go out the window. 545 00:38:30,030 --> 00:38:31,503 They gorge themselves. 546 00:38:37,040 --> 00:38:39,787 They can eat over a kilo of flesh in a sitting. 547 00:38:39,787 --> 00:38:42,360 (birds squawking) 548 00:38:42,360 --> 00:38:44,200 They need to eat quickly. 549 00:38:44,200 --> 00:38:46,450 They never know when they might be disturbed. 550 00:38:50,400 --> 00:38:53,400 (guanaco squawking) 551 00:38:58,280 --> 00:38:59,840 It doesn't take much, 552 00:38:59,840 --> 00:39:01,910 even some squabbling guanaco can be enough 553 00:39:01,910 --> 00:39:03,710 to panic the birds and send them back 554 00:39:03,710 --> 00:39:05,424 to the safety of the skies. 555 00:39:05,424 --> 00:39:08,007 (gentle music) 556 00:39:12,340 --> 00:39:14,750 Bird's truly rule the air. 557 00:39:14,750 --> 00:39:17,000 There's very little competition. 558 00:39:17,000 --> 00:39:20,090 Mammals don't come close to outsizing condos, 559 00:39:20,090 --> 00:39:21,656 but they do try. 560 00:39:21,656 --> 00:39:24,489 (dramatic music) 561 00:39:26,170 --> 00:39:29,543 The biggest bats barely weigh 1.6 kilos. 562 00:39:30,987 --> 00:39:33,580 But with wings spanning nearly two meters, 563 00:39:33,580 --> 00:39:36,040 they are an intimidating sight. 564 00:39:36,040 --> 00:39:39,020 These gray-headed flying foxes are from Down Under, 565 00:39:39,020 --> 00:39:40,283 in more ways than one. 566 00:39:41,270 --> 00:39:44,150 They spend most of the day hanging by their feet, 567 00:39:44,150 --> 00:39:46,393 using their wings as a huge fitted sheet. 568 00:39:48,280 --> 00:39:51,290 Like all bats, they are mostly active by night. 569 00:39:51,290 --> 00:39:54,070 Smaller insect eating bats have poor eyesight 570 00:39:54,070 --> 00:39:58,175 and find that way and their prey with echolocation. 571 00:39:58,175 --> 00:40:00,230 (bats squawking) 572 00:40:00,230 --> 00:40:02,690 But the biggest bats are fruit eaters. 573 00:40:02,690 --> 00:40:04,390 They like to see where they are going 574 00:40:04,390 --> 00:40:07,250 and have big eyes giving them fox-like faces, 575 00:40:07,250 --> 00:40:08,100 hence their name. 576 00:40:09,156 --> 00:40:11,906 (bats squawking) 577 00:40:12,850 --> 00:40:14,720 Baby bats are cling-ons, 578 00:40:14,720 --> 00:40:16,340 they'll ride their mothers for three weeks 579 00:40:16,340 --> 00:40:19,190 until they are old enough for their first flying lessons. 580 00:40:21,480 --> 00:40:23,210 As the sun begins to set, 581 00:40:23,210 --> 00:40:24,220 they stretch their wings 582 00:40:24,220 --> 00:40:26,193 and prepare to take to the night skies. 583 00:40:28,720 --> 00:40:30,040 When they eat fruit bats, 584 00:40:30,040 --> 00:40:32,780 bats disperse and help fertilize seeds. 585 00:40:32,780 --> 00:40:34,360 And when they feed on nectar, 586 00:40:34,360 --> 00:40:36,310 they do the same job as bees, 587 00:40:36,310 --> 00:40:38,873 transporting pollen from one flower to the next. 588 00:40:40,390 --> 00:40:42,123 They are vital to the ecosystem. 589 00:40:43,337 --> 00:40:45,510 (birds chirping) 590 00:40:45,510 --> 00:40:48,950 Most mammals like to keep their feet on firm ground. 591 00:40:48,950 --> 00:40:51,600 Though, there are a few giants that prefer to paddle. 592 00:40:53,830 --> 00:40:56,240 These are the biggest otters on earth, 593 00:40:56,240 --> 00:40:59,533 not surprisingly known as giant otters. 594 00:40:59,533 --> 00:41:02,010 (otters grunting) 595 00:41:02,010 --> 00:41:04,603 The largest males can be the size of a man. 596 00:41:07,600 --> 00:41:09,500 These fishy carnivores build dens 597 00:41:09,500 --> 00:41:11,150 on the banks of the Amazon River. 598 00:41:11,990 --> 00:41:13,770 When the family's coming and going, 599 00:41:13,770 --> 00:41:14,790 they spend a great deal 600 00:41:14,790 --> 00:41:16,880 of time scent marking the neighborhood, 601 00:41:16,880 --> 00:41:18,883 signposting their boundary lines. 602 00:41:20,605 --> 00:41:23,930 (otters chattering) 603 00:41:23,930 --> 00:41:26,430 They live in close-knit family clans, 604 00:41:26,430 --> 00:41:28,313 up to 20 animals in each group. 605 00:41:30,520 --> 00:41:32,820 The gang are at their most happy in the water. 606 00:41:35,861 --> 00:41:38,694 (otters grunting) 607 00:41:41,020 --> 00:41:43,640 The giants are often known as a river horse, 608 00:41:43,640 --> 00:41:46,930 not just because of their large size and fearsome jaws, 609 00:41:46,930 --> 00:41:49,901 but also because they hunt in packs. 610 00:41:49,901 --> 00:41:52,734 (water splashing) 611 00:41:54,720 --> 00:41:56,980 After a bit of playful banter in the water, 612 00:41:56,980 --> 00:41:58,640 they set out to hunt, 613 00:41:58,640 --> 00:42:01,413 working together to flush out fish from the vegetation. 614 00:42:06,050 --> 00:42:07,970 (otters grunting) 615 00:42:07,970 --> 00:42:09,820 Through teamwork, they can tackle pray 616 00:42:09,820 --> 00:42:12,440 as big and dangerous as caiman. 617 00:42:12,440 --> 00:42:14,040 But today it's fish on the menu. 618 00:42:16,128 --> 00:42:18,878 (water gurgling) 619 00:42:21,970 --> 00:42:25,080 By working together, they are efficient hunters 620 00:42:25,080 --> 00:42:26,830 and can quickly fill their bellies. 621 00:42:30,500 --> 00:42:32,960 Birds follow the otter's antics. 622 00:42:32,960 --> 00:42:34,800 They know the otters are messy eaters 623 00:42:34,800 --> 00:42:36,463 and hang around to tidy up. 624 00:42:38,600 --> 00:42:41,370 The hopefuls are also useful to the otter. 625 00:42:41,370 --> 00:42:44,910 Their keen eyes can also spot danger and sound the alarm. 626 00:42:44,910 --> 00:42:47,660 (dramatic music) 627 00:42:52,662 --> 00:42:55,412 (otter grunting) 628 00:42:57,380 --> 00:42:59,533 The big, just keep on getting bigger. 629 00:43:01,870 --> 00:43:03,670 This is just the tip of the iceberg. 630 00:43:04,808 --> 00:43:07,980 (dramatic music) 631 00:43:07,980 --> 00:43:10,577 Every animal's family has its giants, 632 00:43:10,577 --> 00:43:12,380 but there are some outstanding animals 633 00:43:12,380 --> 00:43:15,319 that take size to the extreme. 634 00:43:15,319 --> 00:43:18,152 (dramatic music) 635 00:43:22,248 --> 00:43:25,030 Hippos are the fourth largest land animals, 636 00:43:25,030 --> 00:43:27,270 but though they might not be at the top, 637 00:43:27,270 --> 00:43:29,198 they make up for it in mouth. 638 00:43:29,198 --> 00:43:32,800 (dramatic music) (hippo grunting) 639 00:43:32,800 --> 00:43:36,910 The biggest, widest gape, 150 degrees, 640 00:43:36,910 --> 00:43:39,373 exposes enormous canine teeth, 641 00:43:40,210 --> 00:43:43,836 ivory blades that can reach half a meter. 642 00:43:43,836 --> 00:43:46,669 (dramatic music) 643 00:43:49,860 --> 00:43:52,810 Though the fangs can be used in fierce battles, 644 00:43:52,810 --> 00:43:54,690 they are mostly for show. 645 00:43:54,690 --> 00:43:57,913 The giants gape at one another to enforce personal space. 646 00:43:58,964 --> 00:44:01,714 (dramatic music) 647 00:44:04,035 --> 00:44:05,400 Though when bulls go head-to-head, 648 00:44:05,400 --> 00:44:08,162 those colossal teeth can tear through flesh. 649 00:44:08,162 --> 00:44:10,995 (water splashing) 650 00:44:13,920 --> 00:44:15,690 The victor will rule the roost, 651 00:44:15,690 --> 00:44:17,510 calling the shots in his kingdom, 652 00:44:17,510 --> 00:44:19,003 a stretch of African river. 653 00:44:19,948 --> 00:44:23,090 (water splashing) 654 00:44:23,090 --> 00:44:25,480 Hippos might have weight behind them, 655 00:44:25,480 --> 00:44:27,640 but three would have to stack on top of each other 656 00:44:27,640 --> 00:44:29,113 to look a giraffe in the eye. 657 00:44:30,783 --> 00:44:34,060 (birds chirping) 658 00:44:34,060 --> 00:44:36,410 Though, they are mostly neck and legs, 659 00:44:36,410 --> 00:44:39,610 these lanky herbivores can still weigh close to two tons 660 00:44:40,750 --> 00:44:44,083 and look down on the world from a height of 5.7 meters. 661 00:44:47,290 --> 00:44:48,820 Of course, the number one advantage 662 00:44:48,820 --> 00:44:51,930 of their lofty position is that they can pluck vegetation 663 00:44:51,930 --> 00:44:54,410 from the trees, picking tender growth 664 00:44:54,410 --> 00:44:56,260 that's out of reach of other animals. 665 00:44:57,777 --> 00:45:00,360 (gentle music) 666 00:45:11,290 --> 00:45:14,010 Social by nature, their gathering seem 667 00:45:14,010 --> 00:45:15,603 to attract quite a crowd, 668 00:45:19,240 --> 00:45:21,310 But the zebras and other creatures of the plains 669 00:45:21,310 --> 00:45:24,560 don't gather for the giraffes' bubbling personalities, 670 00:45:24,560 --> 00:45:27,704 but more to use them as mobile lookout towers. 671 00:45:27,704 --> 00:45:30,287 (gentle music) 672 00:45:37,140 --> 00:45:39,893 The African plains are full of danger, 673 00:45:39,893 --> 00:45:42,620 but with their huge eyes positioned so high, 674 00:45:42,620 --> 00:45:44,425 they have a bird's eye view 675 00:45:44,425 --> 00:45:46,503 and are usually the first to spot danger. 676 00:45:47,344 --> 00:45:50,094 (dramatic music) 677 00:45:51,510 --> 00:45:53,103 Lions try to ambush the group. 678 00:45:54,218 --> 00:45:57,010 (suspenseful music) 679 00:45:57,010 --> 00:45:58,260 But their cover is blown. 680 00:46:00,092 --> 00:46:02,842 (dramatic music) 681 00:46:04,251 --> 00:46:07,084 (zebra squealing) 682 00:46:13,040 --> 00:46:14,940 The lioness falls short of her mark, 683 00:46:14,940 --> 00:46:16,654 thanks to the noisy neighbors. 684 00:46:16,654 --> 00:46:19,321 (lion growling) 685 00:46:22,513 --> 00:46:25,263 (birds chirping) 686 00:46:29,110 --> 00:46:30,810 Nobody likes being looked down on. 687 00:46:37,649 --> 00:46:40,810 (hooves thudding) 688 00:46:40,810 --> 00:46:43,120 But on the plains, there is one clear winner 689 00:46:43,120 --> 00:46:45,270 in the size sweepstakes, 690 00:46:45,270 --> 00:46:48,060 the largest land animal on earth, 691 00:46:48,060 --> 00:46:49,493 the African elephant, 692 00:46:50,345 --> 00:46:54,510 (elephant trumpeting) (dramatic music) 693 00:46:54,510 --> 00:46:57,640 The record breaker was nearly four meters at the shoulder 694 00:46:57,640 --> 00:46:59,653 and a colossal 11 tons. 695 00:47:00,860 --> 00:47:03,610 (dramatic music) 696 00:47:05,310 --> 00:47:07,883 The biggest tusks were 3 1/2 meters. 697 00:47:08,889 --> 00:47:11,722 (dramatic music) 698 00:47:15,200 --> 00:47:18,563 He shows off the biggest ears, some two meters across. 699 00:47:24,840 --> 00:47:28,948 And he has a five kilo brain, the biggest on land. 700 00:47:28,948 --> 00:47:31,615 (gentle music) 701 00:47:32,510 --> 00:47:34,310 Elephants are so huge 702 00:47:34,310 --> 00:47:37,410 that their presence shapes the land around them. 703 00:47:37,410 --> 00:47:39,360 They control the growth of vegetation 704 00:47:39,360 --> 00:47:41,963 by tearing down trees and flattening grass. 705 00:47:43,206 --> 00:47:45,956 (dramatic music) 706 00:47:48,110 --> 00:47:51,400 Elephants can bring water to other animals by digging wells 707 00:47:57,258 --> 00:47:59,841 (gentle music) 708 00:48:01,591 --> 00:48:02,840 and can transport soil 709 00:48:02,840 --> 00:48:05,909 by walking off with mud on their bodies. 710 00:48:05,909 --> 00:48:08,492 (gentle music) 711 00:48:09,680 --> 00:48:13,270 In the past, the world was dominated by giants, 712 00:48:13,270 --> 00:48:16,260 but as humans evolved and spread around the globe, 713 00:48:16,260 --> 00:48:18,630 they hunted the biggest animals for food 714 00:48:18,630 --> 00:48:21,260 and to get rid of dangerous competition, 715 00:48:21,260 --> 00:48:25,540 mammoths, giant cats, camels, sloths, 716 00:48:25,540 --> 00:48:30,118 birds, lizards, all were removed by human hunters. 717 00:48:30,118 --> 00:48:33,630 (dramatic music) 718 00:48:33,630 --> 00:48:36,117 Today there is still a huge trade in giant animals 719 00:48:36,117 --> 00:48:39,833 and their body parts like polar bear skins, 720 00:48:41,760 --> 00:48:44,680 hippo's teeth, rhino's horn 721 00:48:47,220 --> 00:48:49,070 and of course the tusks of elephants. 722 00:48:51,407 --> 00:48:54,157 (dramatic music) 723 00:48:57,280 --> 00:48:59,080 But perhaps humans are slowly learning 724 00:48:59,080 --> 00:49:02,030 to recognize the importance of our giant wild neighbors 725 00:49:02,030 --> 00:49:06,667 on the environment and the inspiration they can bring to us. 726 00:49:06,667 --> 00:49:09,250 (gentle music) 727 00:49:16,030 --> 00:49:19,520 Perhaps enlightened, we can look with awe 728 00:49:19,520 --> 00:49:23,320 and set aside space for these most wonderful creatures, 729 00:49:23,320 --> 00:49:26,513 keeping the world big and beautiful. 730 00:49:28,299 --> 00:49:31,216 (triumphant music) 731 00:49:53,908 --> 00:49:56,491 (lion roaring) 51035

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