1 00:00:06,132 --> 00:00:07,550 [thrum of insects] 2 00:00:08,509 --> 00:00:10,178 [bird squawking] 3 00:00:12,513 --> 00:00:14,182 [somber music playing] 4 00:00:17,727 --> 00:00:19,187 A chimp has been killed 5 00:00:20,521 --> 00:00:22,857 in the heart of the Ngogo territory. 6 00:00:26,861 --> 00:00:27,862 It's Pork Pie. 7 00:00:42,210 --> 00:00:43,377 For this to happen, 8 00:00:44,879 --> 00:00:47,465 the killers had to enter the territory unnoticed. 9 00:00:52,887 --> 00:00:55,098 Only one other group could have done this. 10 00:00:58,726 --> 00:01:01,729 A group the Ngogo chimps know only too well. 11 00:01:09,403 --> 00:01:10,696 [music intensifies] 12 00:01:11,823 --> 00:01:12,824 The westerners. 13 00:01:19,247 --> 00:01:21,666 War is coming to Ngogo. 14 00:01:23,334 --> 00:01:24,544 [music intensifies] 15 00:01:24,544 --> 00:01:26,671 [music fades out] 16 00:01:26,671 --> 00:01:28,756 [animals calling] 17 00:01:30,424 --> 00:01:32,426 [music reprises, fades out] 18 00:01:39,100 --> 00:01:41,269 [chorus of birds and insects] 19 00:01:48,776 --> 00:01:50,778 [foreboding music playing] 20 00:01:52,113 --> 00:01:54,115 [vines creaking ominously] 21 00:01:57,743 --> 00:01:59,078 [music intensifies] 22 00:02:00,037 --> 00:02:01,038 [music abates] 23 00:02:12,258 --> 00:02:13,593 [music intensifies] 24 00:02:17,013 --> 00:02:20,725 The chimps of western Ngogo are a separate group 25 00:02:22,226 --> 00:02:23,728 with their own territory. 26 00:02:28,316 --> 00:02:30,026 The westerners are different. 27 00:02:35,489 --> 00:02:38,826 Their group is much smaller than Jackson's central group. 28 00:02:41,621 --> 00:02:43,247 But they stick together. 29 00:02:44,415 --> 00:02:46,125 And that gives them strength. 30 00:02:54,884 --> 00:02:56,093 [music fades out] 31 00:02:57,011 --> 00:02:59,388 There are just eight adult males 32 00:03:00,014 --> 00:03:02,516 compared to 24 in the central group. 33 00:03:04,727 --> 00:03:06,020 So the females 34 00:03:07,021 --> 00:03:08,731 stand together with the males 35 00:03:09,941 --> 00:03:11,734 and help defend the territory. 36 00:03:20,451 --> 00:03:22,703 {\an8}There's a strong alpha, Hutcherson, 37 00:03:24,205 --> 00:03:26,040 but he's different to Jackson. 38 00:03:26,874 --> 00:03:29,043 He doesn't dominate in the same way. 39 00:03:30,711 --> 00:03:33,422 Here, power is shared more equally. 40 00:03:34,298 --> 00:03:36,300 [gentle music fading in] 41 00:03:37,176 --> 00:03:40,513 And all the adult males have important roles. 42 00:03:41,681 --> 00:03:42,807 [animal calls] 43 00:03:44,892 --> 00:03:46,769 {\an8}[animal shrieks] 44 00:03:47,645 --> 00:03:50,898 {\an8}Garrison is one of those males. 45 00:03:51,941 --> 00:03:53,985 He's getting old for a male chimp, 46 00:03:53,985 --> 00:03:56,737 but with age comes knowledge. 47 00:03:57,822 --> 00:04:00,032 - [Garrison hooting] - [music becomes tense] 48 00:04:07,248 --> 00:04:09,583 He knows every tree at Ngogo. 49 00:04:10,501 --> 00:04:13,462 He has a map of the entire forest in his head. 50 00:04:17,258 --> 00:04:18,926 If there's food to be found, 51 00:04:20,386 --> 00:04:21,345 he'll find it. 52 00:04:23,306 --> 00:04:25,683 [shrieking] 53 00:04:42,074 --> 00:04:43,284 [music intensity abates] 54 00:04:49,582 --> 00:04:51,125 Foraging is hard work. 55 00:04:52,668 --> 00:04:54,170 [music intensifies] 56 00:04:55,588 --> 00:04:57,548 Often for small rewards. 57 00:05:13,981 --> 00:05:15,191 [music abates] 58 00:05:21,238 --> 00:05:22,615 [chimp panting] 59 00:05:23,908 --> 00:05:27,661 This time, Garrison has led the westerners to a rare treat. 60 00:05:31,207 --> 00:05:33,167 [hooting] 61 00:05:41,092 --> 00:05:43,469 [grunting rhythmically] 62 00:05:43,469 --> 00:05:44,970 [bees thrumming loudly] 63 00:05:46,555 --> 00:05:48,557 [chimp hooting excitedly] 64 00:05:51,227 --> 00:05:52,728 Chimps love wild honey. 65 00:05:53,562 --> 00:05:55,564 [gentle music playing] 66 00:05:59,819 --> 00:06:01,570 But it doesn't last long, 67 00:06:02,405 --> 00:06:04,448 and it won't feed the whole group. 68 00:06:08,494 --> 00:06:09,328 For that, 69 00:06:09,328 --> 00:06:11,539 the westerners need fruit. 70 00:06:11,539 --> 00:06:13,707 [music intensifies, abates] 71 00:06:34,937 --> 00:06:36,272 Ripe fruit 72 00:06:36,897 --> 00:06:39,024 is the most important food at Ngogo. 73 00:06:40,276 --> 00:06:41,277 And right now, 74 00:06:42,194 --> 00:06:45,948 the most prized fruit trees are at the edge of the western territory. 75 00:06:47,324 --> 00:06:49,160 [lively music playing] 76 00:06:51,120 --> 00:06:52,121 On the border 77 00:06:53,080 --> 00:06:54,707 of Jackson's central group. 78 00:07:00,671 --> 00:07:02,006 {\an8}[music becomes somber] 79 00:07:03,215 --> 00:07:06,302 {\an8}Rollins is the west's patrol leader. 80 00:07:10,139 --> 00:07:13,350 He's been guarding the borders of Ngogo for many years. 81 00:07:23,903 --> 00:07:26,530 Damien is his younger brother. 82 00:07:27,615 --> 00:07:28,574 [hoots softly] 83 00:07:29,241 --> 00:07:30,868 He's still just a teenager. 84 00:07:32,161 --> 00:07:33,621 But he's already strong... 85 00:07:35,915 --> 00:07:36,957 confident... 86 00:07:36,957 --> 00:07:39,043 [hooting softly] 87 00:07:39,043 --> 00:07:40,252 ...and very smart. 88 00:07:42,296 --> 00:07:44,048 [foreboding music playing] 89 00:07:44,048 --> 00:07:46,008 On visits to the borderlands, 90 00:07:46,509 --> 00:07:48,302 it's these formidable brothers 91 00:07:49,428 --> 00:07:50,429 who lead the way. 92 00:07:57,520 --> 00:07:58,729 {\an8}[music intensifies] 93 00:08:03,651 --> 00:08:05,069 [music intensifies] 94 00:08:14,787 --> 00:08:15,829 [music abates] 95 00:08:15,829 --> 00:08:17,873 As they get closer to the border, 96 00:08:17,873 --> 00:08:21,418 Garrison keeps a watchful eye on everyone. 97 00:08:34,098 --> 00:08:35,432 [music becomes tense] 98 00:09:00,874 --> 00:09:02,918 [music fades out] 99 00:09:02,918 --> 00:09:04,920 They've entered the borderlands. 100 00:09:06,213 --> 00:09:09,300 Jackson's central group also feed here, 101 00:09:10,175 --> 00:09:12,177 so it's a dangerous part of the forest. 102 00:09:13,178 --> 00:09:15,222 [chimp grunting rhythmically] 103 00:09:25,232 --> 00:09:26,859 {\an8}[solemn music playing] 104 00:09:26,859 --> 00:09:28,485 {\an8}But it's worth the risk. 105 00:09:29,737 --> 00:09:32,448 There's a huge fig tree in full fruit. 106 00:09:34,033 --> 00:09:36,076 Exactly what the group needs. 107 00:09:38,495 --> 00:09:40,080 [music becomes tense] 108 00:09:57,973 --> 00:09:59,975 [music becomes rousing] 109 00:10:38,847 --> 00:10:40,766 Most of the group are happily feeding. 110 00:10:41,600 --> 00:10:43,227 [music fades out] 111 00:10:43,227 --> 00:10:44,478 Rollins and Damien 112 00:10:45,312 --> 00:10:46,146 are not. 113 00:10:47,064 --> 00:10:49,108 [canopy rustling] 114 00:10:53,946 --> 00:10:57,324 Patrolling is partly about guarding resources. 115 00:10:57,825 --> 00:10:59,243 [tense string music playing] 116 00:10:59,243 --> 00:11:00,369 But that's not all. 117 00:11:03,539 --> 00:11:07,501 Chimps will always try to expand their territory if they can. 118 00:11:09,628 --> 00:11:10,587 And they do it 119 00:11:10,587 --> 00:11:14,133 by finding and attacking rivals. 120 00:11:16,051 --> 00:11:17,761 [music intensifies] 121 00:11:18,637 --> 00:11:20,264 If they can outnumber them. 122 00:11:23,976 --> 00:11:27,896 So Rollins and Damien can't go alone. 123 00:11:28,939 --> 00:11:33,110 The other males will need to follow close behind. 124 00:11:50,836 --> 00:11:53,213 [music climaxes, fades out] 125 00:11:58,051 --> 00:12:00,053 [tense string music playing] 126 00:12:01,430 --> 00:12:04,016 They are moving deep into central territory. 127 00:12:09,646 --> 00:12:11,565 Their group is small, 128 00:12:11,565 --> 00:12:14,777 and they don't know how many enemy chimps they might encounter. 129 00:12:16,111 --> 00:12:17,362 They must be careful 130 00:12:18,906 --> 00:12:19,907 and quiet. 131 00:12:25,329 --> 00:12:28,499 Damien has been with Rollins his whole life. 132 00:12:29,625 --> 00:12:32,044 The connection between them is strong. 133 00:12:44,515 --> 00:12:46,099 On a stealth mission, 134 00:12:46,099 --> 00:12:49,603 that can be the difference between life and death. 135 00:12:51,980 --> 00:12:54,316 [distant shrieking] 136 00:12:59,446 --> 00:13:01,406 The patrol has heard something. 137 00:13:01,406 --> 00:13:03,492 [music abates] 138 00:13:13,001 --> 00:13:15,003 [music becomes tense] 139 00:13:18,590 --> 00:13:20,592 [music intensifies] 140 00:13:22,261 --> 00:13:24,263 [music abates] 141 00:13:28,642 --> 00:13:29,643 It's Pork Pie. 142 00:13:33,105 --> 00:13:34,106 And he's alone. 143 00:13:35,065 --> 00:13:37,067 [foreboding music playing] 144 00:13:43,073 --> 00:13:44,324 [music abates] 145 00:13:55,502 --> 00:13:57,004 [music building] 146 00:14:09,558 --> 00:14:10,976 [music abates] 147 00:14:19,026 --> 00:14:21,904 {\an8}[menacing music playing] 148 00:14:26,867 --> 00:14:28,535 [hooting softly] 149 00:14:34,124 --> 00:14:36,627 [music intensifies] 150 00:14:36,627 --> 00:14:38,712 [chimps calling] 151 00:14:45,052 --> 00:14:46,303 [music intensifies] 152 00:14:52,976 --> 00:14:54,811 [music intensifies] 153 00:14:56,271 --> 00:14:57,606 [music fades out] 154 00:14:58,690 --> 00:15:00,692 [distant screeching] 155 00:15:03,779 --> 00:15:06,907 - [screeching fades out] - [poignant choral music fades in] 156 00:15:09,326 --> 00:15:10,327 Like humans, 157 00:15:11,411 --> 00:15:13,622 chimpanzees are social creatures. 158 00:15:15,707 --> 00:15:17,084 But unlike us, 159 00:15:18,251 --> 00:15:20,545 their ability to form relationships 160 00:15:20,545 --> 00:15:23,215 is limited to members of their own group. 161 00:15:26,843 --> 00:15:28,845 They are inescapably territorial 162 00:15:30,013 --> 00:15:31,014 and tribal. 163 00:15:32,307 --> 00:15:34,351 [grunting] 164 00:15:37,646 --> 00:15:40,774 It's in their nature to compete for resources. 165 00:15:42,776 --> 00:15:46,113 And to see chimps from rival groups as others, 166 00:15:48,198 --> 00:15:50,784 to be attacked and destroyed. 167 00:16:00,043 --> 00:16:03,547 Chimpanzee life is a never-ending conflict. 168 00:16:06,842 --> 00:16:09,094 [music soars] 169 00:16:13,390 --> 00:16:14,516 To the westerners, 170 00:16:15,142 --> 00:16:16,643 Pork Pie was an outsider. 171 00:16:19,104 --> 00:16:20,939 And once they found him alone, 172 00:16:22,858 --> 00:16:24,067 his fate was sealed. 173 00:16:24,651 --> 00:16:25,986 [music intensifies] 174 00:16:44,796 --> 00:16:45,881 [music fades out] 175 00:16:48,884 --> 00:16:50,886 [thrum of insects] 176 00:17:08,570 --> 00:17:10,572 [whooping] 177 00:17:10,572 --> 00:17:12,657 [shrieking] 178 00:17:18,121 --> 00:17:19,915 All chimps have two sides. 179 00:17:30,717 --> 00:17:32,469 Adult males like Rollins 180 00:17:33,428 --> 00:17:35,097 can be gentle and playful. 181 00:17:35,097 --> 00:17:37,182 [baby squeaks, grunts rhythmically] 182 00:17:44,940 --> 00:17:46,900 And they can be brutally violent. 183 00:17:52,531 --> 00:17:55,617 But that violent side is essential to this society. 184 00:17:58,912 --> 00:18:02,999 Territorial conflicts between groups are not a battle for wealth. 185 00:18:04,042 --> 00:18:06,211 They are a battle for survival. 186 00:18:16,012 --> 00:18:18,390 The westerners have many mouths to feed. 187 00:18:24,146 --> 00:18:25,647 And the group is growing. 188 00:18:26,231 --> 00:18:28,233 [baby yawning] 189 00:18:31,403 --> 00:18:33,405 [baby grunting rhythmically] 190 00:18:37,325 --> 00:18:39,161 They need more territory. 191 00:18:42,539 --> 00:18:43,498 And more food. 192 00:18:49,546 --> 00:18:51,548 [whimsical music playing] 193 00:18:56,011 --> 00:18:58,013 [music becomes somber] 194 00:18:58,763 --> 00:19:02,767 They are in conflict with a bigger, more powerful group. 195 00:19:05,854 --> 00:19:07,814 So the odds are stacked against them. 196 00:19:09,691 --> 00:19:10,567 For now. 197 00:19:14,237 --> 00:19:15,655 [music fades out] 198 00:19:41,014 --> 00:19:43,516 [playful squealing, grunting] 199 00:19:45,310 --> 00:19:47,437 The western group might be smaller... 200 00:19:50,982 --> 00:19:51,983 but it's united. 201 00:19:51,983 --> 00:19:53,568 [whimsical music playing] 202 00:19:58,949 --> 00:20:00,909 There's a strong sense of togetherness. 203 00:20:07,916 --> 00:20:09,167 And support. 204 00:20:17,300 --> 00:20:20,637 Garbo is the oldest chimp at Ngogo. 205 00:20:23,765 --> 00:20:27,435 Sixty-five is an incredible age for a chimpanzee. 206 00:20:31,523 --> 00:20:33,858 And she still plays her part in the community. 207 00:20:47,831 --> 00:20:49,916 It helps that her son is the alpha. 208 00:20:51,835 --> 00:20:55,755 With him to look out for her, Garbo has a good life... 209 00:20:55,755 --> 00:20:57,716 [music fades out] 210 00:20:57,716 --> 00:20:59,634 ...and is treated with respect. 211 00:21:12,689 --> 00:21:14,065 Garbo has another son... 212 00:21:20,947 --> 00:21:21,781 Richmond. 213 00:21:22,741 --> 00:21:24,826 Who also takes care of his mother, 214 00:21:25,744 --> 00:21:27,245 despite his own problems. 215 00:21:30,540 --> 00:21:31,750 As a young chimp, 216 00:21:32,542 --> 00:21:35,503 Richmond lost his hand to a poacher's snare. 217 00:21:36,713 --> 00:21:38,715 [whimsical music playing] 218 00:21:45,513 --> 00:21:48,308 Even though everything in the forest is more difficult... 219 00:21:58,234 --> 00:21:59,736 he hasn't just survived, 220 00:22:00,236 --> 00:22:01,237 he's prospered. 221 00:22:02,489 --> 00:22:04,491 [somber music playing] 222 00:22:10,413 --> 00:22:13,166 Richmond was once the western alpha, 223 00:22:15,085 --> 00:22:17,587 until his younger brother replaced him at the top. 224 00:22:23,343 --> 00:22:25,095 But he still has power 225 00:22:26,429 --> 00:22:27,430 and influence. 226 00:22:37,315 --> 00:22:38,608 [music fades out] 227 00:22:42,320 --> 00:22:44,989 The small number of adult males in the west 228 00:22:45,824 --> 00:22:49,411 puts them at risk if their rivalry with the central group escalates. 229 00:22:51,371 --> 00:22:52,372 [hoots] 230 00:22:56,501 --> 00:22:58,420 There are younger males on the way up. 231 00:23:03,049 --> 00:23:05,510 {\an8}But the journey can be difficult. 232 00:23:11,724 --> 00:23:13,351 Bergl is an orphan, 233 00:23:14,144 --> 00:23:15,979 so he's had to grow up quickly... 234 00:23:17,105 --> 00:23:19,190 - [hooting softly] - [playful music playing] 235 00:23:19,190 --> 00:23:20,733 ...and find ways to get by. 236 00:23:24,028 --> 00:23:25,613 But as an adolescent male, 237 00:23:26,448 --> 00:23:29,826 he's changing and wants to start asserting himself. 238 00:23:35,748 --> 00:23:37,750 [music becomes solemn] 239 00:23:40,003 --> 00:23:42,505 He's trying to perform dominance displays. 240 00:23:44,174 --> 00:23:45,925 [music becomes dramatic] 241 00:23:45,925 --> 00:23:48,094 [Bergl whooping] 242 00:23:48,094 --> 00:23:49,429 [screeching] 243 00:23:56,144 --> 00:23:57,312 He needs to be careful. 244 00:23:58,104 --> 00:23:59,230 [Bergl screeching] 245 00:23:59,230 --> 00:24:01,524 He's beginning to attract attention. 246 00:24:05,862 --> 00:24:07,739 [distant shrieking] 247 00:24:07,739 --> 00:24:09,782 [music fades out] 248 00:24:12,619 --> 00:24:14,829 At this stage of a male chimp's life... 249 00:24:15,663 --> 00:24:16,706 [dark music plays] 250 00:24:16,706 --> 00:24:20,084 ...the established males start to see them as a rival. 251 00:24:22,545 --> 00:24:24,047 [jarring string music playing] 252 00:24:30,428 --> 00:24:32,138 [shrieking, hooting] 253 00:24:32,138 --> 00:24:35,892 Bergl's little displays are enough to get him in trouble. 254 00:24:36,392 --> 00:24:38,478 [music becomes foreboding] 255 00:24:42,857 --> 00:24:44,108 [whimpers] 256 00:24:46,486 --> 00:24:47,904 [running chimp shrieking] 257 00:24:49,989 --> 00:24:51,991 [chimp shrieking] 258 00:24:54,536 --> 00:24:55,828 [rhythmic screeching] 259 00:24:59,541 --> 00:25:01,125 [music intensifies] 260 00:25:03,503 --> 00:25:04,504 [music fades out] 261 00:25:15,807 --> 00:25:19,602 One day, Bergl's aggression might help the west against their enemies. 262 00:25:22,814 --> 00:25:25,483 For now, he's been put in his place 263 00:25:26,484 --> 00:25:28,736 and has picked up a nasty hand injury. 264 00:25:39,247 --> 00:25:41,833 [chorus of birds and insects] 265 00:25:48,798 --> 00:25:50,800 [undergrowth rustling] 266 00:25:54,429 --> 00:25:56,472 [both hooting softly] 267 00:25:58,516 --> 00:26:00,810 {\an8}Joya is also an orphan. 268 00:26:03,187 --> 00:26:04,856 {\an8}She's the same age as Bergl. 269 00:26:05,773 --> 00:26:07,942 [gentle playful music playing] 270 00:26:07,942 --> 00:26:09,152 [baby grunting softly] 271 00:26:10,612 --> 00:26:12,405 And she's also beginning to change. 272 00:26:19,245 --> 00:26:21,247 [yawning] 273 00:26:42,644 --> 00:26:44,979 Her maternal instincts are starting to develop, 274 00:26:46,272 --> 00:26:48,524 and she wants to help out with the infants. 275 00:26:57,408 --> 00:26:58,743 [baby grunting] 276 00:26:59,619 --> 00:27:01,371 With no mother to learn from... 277 00:27:01,996 --> 00:27:03,289 [baby shrieking] 278 00:27:04,040 --> 00:27:07,126 ...her parenting skills are a work in progress. 279 00:27:12,382 --> 00:27:13,341 [baby screeches] 280 00:27:13,966 --> 00:27:15,968 [baby shrieking rhythmically] 281 00:27:21,474 --> 00:27:24,435 Unlike Bergl, when it comes to Joya... 282 00:27:26,437 --> 00:27:27,980 everyone is very tolerant. 283 00:27:36,030 --> 00:27:39,325 And there are experienced mothers she can use as a role model. 284 00:27:46,916 --> 00:27:49,085 Carson already has two children. 285 00:27:50,795 --> 00:27:52,296 And she's pregnant again. 286 00:27:56,926 --> 00:27:58,136 She's a good mother, 287 00:27:59,178 --> 00:28:01,848 but here in the west, she has to be more. 288 00:28:03,266 --> 00:28:05,268 [dramatic music playing] 289 00:28:09,355 --> 00:28:11,607 She joins the males on patrol. 290 00:28:12,942 --> 00:28:14,235 And she hunts. 291 00:28:17,029 --> 00:28:18,573 [music intensifies] 292 00:28:19,824 --> 00:28:21,826 The westerners hunt as a group. 293 00:28:21,826 --> 00:28:24,203 Males and females, 294 00:28:24,829 --> 00:28:25,913 side by side. 295 00:28:39,302 --> 00:28:41,304 [distant trilling] 296 00:28:47,935 --> 00:28:49,562 [trilling continues] 297 00:28:52,523 --> 00:28:54,525 [music becomes more dramatic] 298 00:28:54,525 --> 00:28:56,611 [trilling continues] 299 00:28:59,530 --> 00:29:02,742 Black-and-white colobus monkeys are not an easy target. 300 00:29:03,993 --> 00:29:05,995 [hooting] 301 00:29:10,041 --> 00:29:11,876 They're fast and agile. 302 00:29:15,630 --> 00:29:16,964 And to catch them, 303 00:29:16,964 --> 00:29:18,925 the chimps must work together. 304 00:29:25,348 --> 00:29:26,516 [music intensifies] 305 00:29:29,727 --> 00:29:31,312 Hunting is tough for Richmond. 306 00:29:36,234 --> 00:29:38,194 But he knows it's worth keeping up. 307 00:29:42,740 --> 00:29:44,033 [music intensifies] 308 00:29:48,412 --> 00:29:49,580 [music fades out] 309 00:29:55,628 --> 00:29:57,630 [whooping] 310 00:29:59,841 --> 00:30:01,217 It's a successful hunt. 311 00:30:02,802 --> 00:30:04,095 [flesh squelching] 312 00:30:06,514 --> 00:30:08,224 And there's meat to be shared 313 00:30:09,100 --> 00:30:10,393 in the treetops. 314 00:30:19,193 --> 00:30:20,736 If Richmond wants his cut, 315 00:30:21,696 --> 00:30:23,656 he'll need to go up and claim it. 316 00:30:25,366 --> 00:30:26,701 [dramatic music playing] 317 00:30:45,469 --> 00:30:46,846 [chimp hooting] 318 00:30:49,307 --> 00:30:50,933 [chimps hooting] 319 00:31:00,151 --> 00:31:01,360 [music fades out] 320 00:31:11,913 --> 00:31:13,915 [whimsical music playing] 321 00:31:14,415 --> 00:31:16,375 Garbo was too old for the hunt, 322 00:31:17,251 --> 00:31:19,837 but that doesn't mean she can't get a share. 323 00:31:36,896 --> 00:31:39,815 Garbo provided for Richmond as he was growing up. 324 00:31:42,026 --> 00:31:44,028 And now he provides for her. 325 00:31:48,950 --> 00:31:50,576 Life can be tough at Ngogo. 326 00:31:51,744 --> 00:31:53,621 And having a family to rely on 327 00:31:54,872 --> 00:31:56,499 can make things a little easier. 328 00:32:07,176 --> 00:32:09,178 [somber drum beat plays] 329 00:32:24,819 --> 00:32:27,738 Most chimps have a strong bond with their mother. 330 00:32:37,289 --> 00:32:39,750 But Bergl has no family. 331 00:32:47,341 --> 00:32:49,635 All male chimps go through this stage. 332 00:32:53,264 --> 00:32:55,933 And they all get a few beatings along the way. 333 00:33:13,242 --> 00:33:15,411 But things are harder for an orphan. 334 00:33:15,411 --> 00:33:17,580 [poignant music playing] 335 00:33:19,123 --> 00:33:20,916 With no mother to comfort him... 336 00:33:22,960 --> 00:33:25,421 Bergl is spending time alone. 337 00:33:34,638 --> 00:33:36,724 It's not just bonding he's missing. 338 00:33:42,063 --> 00:33:44,982 Grooming is essential for staying healthy. 339 00:33:44,982 --> 00:33:47,318 [music becomes solemn] 340 00:33:50,071 --> 00:33:51,072 Without it, 341 00:33:51,655 --> 00:33:53,240 Bergl could be vulnerable. 342 00:33:55,034 --> 00:33:56,702 [thunder rumbling] 343 00:34:02,792 --> 00:34:04,794 [music becomes dramatic] 344 00:34:14,011 --> 00:34:16,847 Chimps don't normally do much in the rain, 345 00:34:17,723 --> 00:34:20,643 but the westerners aren't taking shelter. 346 00:34:25,189 --> 00:34:27,358 [hooting] 347 00:34:30,236 --> 00:34:32,488 They all seem energized by the storm. 348 00:34:33,823 --> 00:34:35,074 [grunting rhythmically] 349 00:34:38,536 --> 00:34:39,495 [barks] 350 00:34:39,995 --> 00:34:41,997 [chimps squeaking] 351 00:34:53,175 --> 00:34:55,302 [shrieking rhythmically] 352 00:34:57,012 --> 00:34:58,097 [screeching] 353 00:35:00,432 --> 00:35:02,017 [all shrieking] 354 00:35:02,643 --> 00:35:03,519 As a group... 355 00:35:03,519 --> 00:35:04,895 [screeches] 356 00:35:04,895 --> 00:35:06,605 ...they're growing stronger. 357 00:35:13,195 --> 00:35:14,363 [music fades out] 358 00:35:29,461 --> 00:35:30,796 Bergl is still alone. 359 00:35:32,882 --> 00:35:34,133 And he's become sick. 360 00:35:36,844 --> 00:35:39,513 His face is infected by a parasite. 361 00:35:56,322 --> 00:35:57,323 He needs help. 362 00:36:04,705 --> 00:36:05,998 [flies buzzing] 363 00:36:18,052 --> 00:36:21,096 A duiker would normally be afraid of a chimp. 364 00:36:23,515 --> 00:36:24,642 But in this state, 365 00:36:26,101 --> 00:36:27,311 Bergl is no threat. 366 00:36:40,532 --> 00:36:42,701 [ambient music playing] 367 00:36:48,624 --> 00:36:51,627 Most of the group haven't noticed Bergl is missing. 368 00:37:03,931 --> 00:37:05,099 Someone has though. 369 00:37:15,234 --> 00:37:16,568 [music continues] 370 00:37:29,915 --> 00:37:31,166 As they get older, 371 00:37:31,166 --> 00:37:33,335 male chimps become less aggressive 372 00:37:34,628 --> 00:37:35,629 and more caring. 373 00:37:40,134 --> 00:37:41,093 And sometimes, 374 00:37:42,261 --> 00:37:45,014 they'll step in to take care of an orphan. 375 00:37:50,477 --> 00:37:52,646 The western group needs Bergl. 376 00:37:53,939 --> 00:37:55,899 But if he's going to find his place, 377 00:37:55,899 --> 00:37:58,402 he'll need to learn to control his aggression. 378 00:38:03,741 --> 00:38:06,910 And with a chimp as experienced as Garrison to support him, 379 00:38:07,911 --> 00:38:08,746 there's hope. 380 00:38:09,496 --> 00:38:11,540 [gently uplifting music playing] 381 00:38:18,839 --> 00:38:21,925 Joya is spending more and more time with the infants. 382 00:38:22,551 --> 00:38:25,387 - [rhythmic hooting] - [baby squeaking] 383 00:38:27,222 --> 00:38:28,432 She's learning. 384 00:38:28,432 --> 00:38:31,518 And when the time comes to start her own family, 385 00:38:31,518 --> 00:38:32,811 she'll be ready. 386 00:38:38,942 --> 00:38:41,153 Bergl and Joya are finding their way. 387 00:38:43,614 --> 00:38:47,117 Slowly learning to play their roles in chimp society. 388 00:38:48,827 --> 00:38:50,829 [music becomes stirring] 389 00:39:01,632 --> 00:39:03,884 That society needs to be sustained. 390 00:39:06,595 --> 00:39:08,931 So, like every day of their lives, 391 00:39:09,431 --> 00:39:12,893 the westerners must set out to search for food. 392 00:39:32,830 --> 00:39:34,832 [music fades out] 393 00:39:37,042 --> 00:39:39,545 Damien has discovered something. 394 00:39:41,797 --> 00:39:43,799 And it's not an everyday piece of fruit. 395 00:39:48,720 --> 00:39:49,888 It's Chrysophyllum. 396 00:39:52,641 --> 00:39:55,519 The rarest, richest bounty of Ngogo. 397 00:39:58,814 --> 00:40:01,817 It appears in a massive crop once every few years. 398 00:40:01,817 --> 00:40:03,652 [music reprises] 399 00:40:07,030 --> 00:40:08,198 It's unpredictable, 400 00:40:09,158 --> 00:40:10,534 and when it happens, 401 00:40:13,454 --> 00:40:16,331 it provides more food than the chimps can eat. 402 00:40:25,174 --> 00:40:26,550 [music fades out] 403 00:40:31,263 --> 00:40:33,307 Most of the Chrysophyllum trees 404 00:40:34,016 --> 00:40:35,350 lie over the border 405 00:40:36,727 --> 00:40:38,228 in the central territory. 406 00:40:39,438 --> 00:40:41,356 [somber music playing] 407 00:40:41,356 --> 00:40:43,025 [shrieking] 408 00:40:47,821 --> 00:40:51,325 But the western males know exactly where to find them. 409 00:40:51,325 --> 00:40:53,410 {\an8}[tremulous string music playing] 410 00:41:01,126 --> 00:41:02,711 Because for many years, 411 00:41:03,670 --> 00:41:04,963 those trees 412 00:41:05,881 --> 00:41:07,174 and that territory 413 00:41:08,342 --> 00:41:09,843 belonged to them. 414 00:41:19,228 --> 00:41:20,729 {\an8}[music intensifies] 415 00:41:22,314 --> 00:41:23,941 And now the time has come 416 00:41:25,484 --> 00:41:26,610 to take it back. 417 00:41:27,277 --> 00:41:28,278 [hooting softly] 418 00:41:28,278 --> 00:41:31,281 [hooting loudly] 419 00:41:31,281 --> 00:41:33,700 - [hooting] - [shrieking] 420 00:41:37,579 --> 00:41:38,789 [music fades out] 421 00:41:41,583 --> 00:41:43,085 [solemn music playing] 422 00:42:05,357 --> 00:42:07,442 [music intensifies] 423 00:42:10,904 --> 00:42:12,906 [music fades out]