1 00:00:13,966 --> 00:00:16,942 帝企鹅是企鹅家族中体型最大 The emperor penguin is the biggest 2 00:00:16,966 --> 00:00:20,733 最具标志性的成员 and the most iconic of a remarkable family. 3 00:00:23,466 --> 00:00:26,742 一个家族... One family... 4 00:00:26,766 --> 00:00:29,076 十八张不同的面孔 18 different faces. 5 00:00:33,700 --> 00:00:37,876 凭借非凡的适应能力 Making use of extraordinary adaptations 6 00:00:37,900 --> 00:00:40,200 与创新本领... and innovative abilities... 7 00:00:43,200 --> 00:00:46,442 它们征服了地球上 they've conquered some of the most extreme places 8 00:00:46,466 --> 00:00:48,242 诸多极端环境 on Earth. 9 00:00:52,700 --> 00:00:55,909 而这一次... And, for the first time... 10 00:00:55,933 --> 00:00:58,309 你我将... you and I... 11 00:00:58,333 --> 00:01:01,776 逐一结识 are going to meet every member 12 00:01:01,800 --> 00:01:04,876 这个神奇企鹅家族的全体成员 of this incredible penguin family. 13 00:01:53,233 --> 00:01:57,142 新西兰的森林 The forests of New Zealand. 14 00:01:57,166 --> 00:02:00,942 这绝非你预期能见到企鹅的地方 Not the first place you'd expect to see a penguin. 15 00:02:10,266 --> 00:02:13,200 但在林海深处... But here, amongst the trees... 16 00:02:16,633 --> 00:02:19,409 ...栖息着斯岛黄眉企鹅 ...lives the Snares penguin. 17 00:02:25,800 --> 00:02:30,542 它们看似与环境格格不入 实则六千万年前 They almost seem out of place, but in fact, it was here 18 00:02:30,566 --> 00:02:35,566 企鹅正是从此地起源演化 that penguins first evolved more than 60 million years ago. 19 00:02:40,400 --> 00:02:43,842 如今新西兰拥有的企鹅种类 And there are now more species of penguins in New Zealand 20 00:02:43,866 --> 00:02:46,366 比地球上任何国家都多 than in any other country on Earth. 21 00:02:48,566 --> 00:02:50,942 六万只斯岛黄眉企鹅 60,000 of these penguins 22 00:02:50,966 --> 00:02:53,633 在此安家落户 have made the Snares Islands their home. 23 00:02:56,966 --> 00:03:00,976 林间小径错综复杂 It's a maze of twists and turns. 24 00:03:21,433 --> 00:03:26,776 但这些踩踏出的兽径通向隐秘栖息地 But this well-trodden path leads them to a secret hideaway. 25 00:03:35,233 --> 00:03:38,376 这只是众多林间空地中的一处 This is just one of the many forest clearings 26 00:03:38,400 --> 00:03:41,400 企鹅们在此筑巢 where the penguins come to nest. 27 00:03:43,866 --> 00:03:48,176 由于没有本土陆生天敌 新西兰始终为这些 With no native land predators, New Zealand has always offered 28 00:03:48,200 --> 00:03:52,476 不会飞的海鸟提供庇护 these flightless seabirds a sanctuary, 29 00:03:52,500 --> 00:03:56,142 成为抚育后代的避风港 a safe haven for rearing their young. 30 00:04:06,000 --> 00:04:09,633 但森林生活有个重大弊端 But there is one big disadvantage to forest living. 31 00:04:12,000 --> 00:04:15,542 泥泞！ Mud! 32 00:04:15,566 --> 00:04:19,342 成千上万带蹼的小脚掌将潮湿地面 Thousands of tiny, webbed feet turn the damp ground 33 00:04:19,366 --> 00:04:22,133 变成名副其实的沼泽 into a veritable quagmire. 34 00:04:24,966 --> 00:04:28,209 这不仅让它们外表脏污 This doesn't just result in a grubby appearance. 35 00:04:28,233 --> 00:04:30,633 更可能危及生命 It could threaten their lives. 36 00:04:33,300 --> 00:04:35,409 企鹅的羽毛对于 A penguin's feathers are crucial 37 00:04:35,433 --> 00:04:40,442 海上防水和保温至关重要 for waterproofing and insulation out at sea. 38 00:04:40,466 --> 00:04:42,376 若被淤泥堵塞 If they're clogged with mud, 39 00:04:42,400 --> 00:04:45,276 企鹅无法调节体温 penguins can't regulate their body temperature 40 00:04:45,300 --> 00:04:47,400 可能因失温死亡 and could die from the cold. 41 00:04:50,600 --> 00:04:53,666 但斯岛黄眉企鹅找到了对策 But the Snares have found a solution. 42 00:05:01,066 --> 00:05:05,109 该去企鹅浴场报到了 It's time for a trip to the penguin baths. 43 00:05:14,033 --> 00:05:17,109 彻底冲洗后 企鹅会将 After a thorough rinse, the penguins spread 44 00:05:17,133 --> 00:05:20,766 一种特殊油脂涂抹全身羽毛 a very special wax through their feathers. 45 00:05:24,433 --> 00:05:27,009 这种尾脂腺分泌的油脂 Produced in a gland at the base of the tail, 46 00:05:27,033 --> 00:05:32,433 能形成防水层 兼具保温和流线型功能 it creates a waterproof barrier that insulates and streamlines. 47 00:05:35,800 --> 00:05:41,100 油脂还具有抗菌特性 能抵御有害病菌 The wax is also antimicrobial, deterring unwanted germs. 48 00:05:44,166 --> 00:05:49,042 有些企鹅每天要花三小时进行这项护理 For some penguins, this process can take up to 3 hours a day. 49 00:05:56,966 --> 00:06:01,100 但为了森林庇护所 这点代价值得付出 But it's a price worth paying for their forest sanctuary. 50 00:06:14,766 --> 00:06:20,076 企鹅的栖息地常出人意料 Penguins can be found in unexpected places. 51 00:06:20,100 --> 00:06:23,500 而最令人惊奇的莫过于此处 And perhaps nowhere is more surprising than this one. 52 00:06:26,266 --> 00:06:28,176 这里的企鹅成功适应了 Here, penguins have found a way 53 00:06:28,200 --> 00:06:32,200 赤道地区的酷热环境 to survive the usual sweltering heat of the equator. 54 00:06:36,300 --> 00:06:39,842 它们是家族中最小的成员之一 They're one of the smallest members of the family. 55 00:06:39,866 --> 00:06:43,509 站立身高仅48厘米... Standing at just 19 inches... 56 00:06:43,533 --> 00:06:46,176 加拉帕戈斯企鹅 the Galapagos penguins. 57 00:06:52,633 --> 00:06:58,176 这些偏远的火山岛看似环境严酷 These remote volcanic islands may seem harsh and unforgiving 58 00:06:58,200 --> 00:07:01,309 但海湾与小峡湾提供了庇护 but the inlets and coves offer a haven, 59 00:07:01,333 --> 00:07:03,642 不仅是对企鹅而言 and not just for penguins. 60 00:07:10,333 --> 00:07:12,009 由于少有陆地天敌... With few land predators... 61 00:07:13,600 --> 00:07:15,376 岩岸提供了充足 the rocky shores provide ample 62 00:07:15,400 --> 00:07:18,876 筑巢点和遮阳场所 nesting sites and shelter from the sun. 63 00:07:23,700 --> 00:07:27,033 熔岩管在岛屿间纵横交错 Lava tubes crisscross the islands. 64 00:07:29,300 --> 00:07:32,409 是躲避正午烈日的完美去处... It's the perfect place to escape the midday heat... 65 00:07:34,333 --> 00:07:36,400 也是育雏佳所 and raise young. 66 00:07:40,700 --> 00:07:42,700 还有其他优势 There are other advantages, too. 67 00:07:45,100 --> 00:07:49,842 尽管这些岛屿位于赤道 Even though these islands are located on the equator, 68 00:07:49,866 --> 00:07:53,066 海水却比预期寒冷得多 the water is much colder than you'd expect. 69 00:07:56,466 --> 00:08:00,142 这要归功于洪堡寒流 And it's all because of the Humboldt Current. 70 00:08:08,400 --> 00:08:12,876 这股寒流从八千公里外的南极洲而来 Traveling from over 5,000 miles away in Antarctica, 71 00:08:12,900 --> 00:08:15,909 为火山群岛输送适宜企鹅的冷水 it delivers cold penguin-friendly water 72 00:08:15,933 --> 00:08:18,100 ... to these volcanic islands... 73 00:08:21,633 --> 00:08:24,709 ...以及丰富的食物 ...as well as food in abundance. 74 00:08:30,233 --> 00:08:32,376 据信洪堡寒流在四百万年前 It's thought that the Humboldt Current 75 00:08:32,400 --> 00:08:36,509 将企鹅带到了此地 carried the penguins here around 4 million years ago. 76 00:08:41,400 --> 00:08:43,976 它们绝非飞行而来 They certainly didn't fly here. 77 00:08:44,000 --> 00:08:45,709 科学界认为企鹅在 Penguins are believed to have lost 78 00:08:45,733 --> 00:08:49,176 六千万年前就丧失了飞行能力 that ability 60 million years ago. 79 00:08:49,200 --> 00:08:53,176 游泳才是它们的看家本领 Swimming is what penguins do best. 80 00:09:02,033 --> 00:09:06,342 隐蔽的岛屿 寒冷的水域 丰富的食物流 Sheltered islands, cool waters, and a rich stream of food 81 00:09:06,366 --> 00:09:08,309 使加拉帕戈斯企鹅 allows the Galapagos penguin 82 00:09:08,333 --> 00:09:10,876 成为分布最北的企鹅物种 to live farther north than any other. 83 00:09:22,533 --> 00:09:26,109 这里看似不适合它们栖息 It might seem like an unusual home for them, 84 00:09:26,133 --> 00:09:29,800 但企鹅最擅突破生存边界 but penguins are excellent at pushing boundaries. 85 00:09:34,566 --> 00:09:39,709 南非开普敦居住着460万人类 Cape Town, South Africa, is home to 4.6 million people. 86 00:09:44,500 --> 00:09:47,300 以及3000只企鹅 And 3,000 penguins. 87 00:09:50,400 --> 00:09:53,400 这是非洲企鹅 This is the African penguin. 88 00:09:56,566 --> 00:09:59,342 当它们厌倦了在镜头前摆拍... When they've had enough of posing for the cameras... 89 00:09:59,366 --> 00:10:01,200 啊！ Aah! 90 00:10:03,166 --> 00:10:06,509 就会前往出人意料的休憩处 They head for an unexpected retreat. 91 00:10:15,533 --> 00:10:19,209 这只雌企鹅在居民花园里 This female has secured herself a perfect nesting spot 92 00:10:19,233 --> 00:10:21,066 找到了理想巢穴 in a residential garden. 93 00:10:28,300 --> 00:10:34,509 门外街道嘈杂 但它似乎并不介意 The road outside can get noisy, but she doesn't seem to mind. 94 00:10:34,533 --> 00:10:37,200 车流反而能驱赶天敌 The traffic keeps predators at bay. 95 00:10:40,200 --> 00:10:44,576 它饥肠辘辘 但必须等待伴侣归来 She's hungry, but she must wait for her mate to return 96 00:10:44,600 --> 00:10:47,866 否则巢穴可能被其他企鹊占据 or risk losing the nest to another penguin. 97 00:10:51,966 --> 00:10:55,233 而它的伴侣刚启程返家 And he's just started his journey home. 98 00:11:01,066 --> 00:11:04,900 我们更常见企鹅在岩石上跳跃... We might be more used to seeing penguins hopping up rocks... 99 00:11:06,866 --> 00:11:10,166 但台阶显然更方便 but steps can be much more convenient. 100 00:11:17,166 --> 00:11:20,942 都市晚高峰时段 为返回巢穴 It's rush hour in the city, and to get back to the nest, 101 00:11:20,966 --> 00:11:24,176 它加入了开普敦通勤大军 he joins the rest of Cape Town's commuters. 102 00:11:29,100 --> 00:11:32,576 结伴而行能让它在繁忙道路上 Traveling with a group keeps him safer on the busy roads 103 00:11:32,600 --> 00:11:34,342 更安全 and pathways. 104 00:11:48,766 --> 00:11:52,609 汹涌人潮冲散了队伍 The hectic traffic separates the pack. 105 00:12:01,000 --> 00:12:04,442 最新研究显示非洲企鹅 A recent study has revealed that African penguins 106 00:12:04,466 --> 00:12:09,909 拥有类似人类的复杂发声系统 have a complex vocal repertoire similar to that of humans, 107 00:12:09,933 --> 00:12:13,366 群体能识别个体叫声 and the group can recognize individual calls. 108 00:12:16,300 --> 00:12:20,042 但晚高峰的噪音淹没了叫声 But it's hard to be heard over the noise of rush hour traffic. 109 00:12:23,466 --> 00:12:25,500 它只能等待 He needs to wait it out. 110 00:12:29,866 --> 00:12:32,576 伴侣必须继续忍耐 His mate will have to be patient. 111 00:12:32,600 --> 00:12:35,176 它又要迟到了 He's going to be late again. 112 00:12:42,000 --> 00:12:44,042 该动身了 Time to make a move. 113 00:12:54,300 --> 00:12:58,366 必须警惕分心的司机 He needs to keep his eyes open for distracted drivers. 114 00:13:04,733 --> 00:13:07,876 但家已近在咫尺 But he's almost home. 115 00:13:27,200 --> 00:13:31,342 非洲企鹅已改变行为模式 African penguins have changed their behaviors to adapt 116 00:13:31,366 --> 00:13:34,909 以适应现代都市 to the modern world. 117 00:13:34,933 --> 00:13:38,076 这对伴侣选择后街花园 This pair have chosen a backstreet garden 118 00:13:38,100 --> 00:13:40,942 作为理想筑巢点 as a suitable nesting site. 119 00:13:49,133 --> 00:13:52,742 寻找安全的育雏场所 And finding a safe place to raise young 120 00:13:52,766 --> 00:13:56,066 是所有企鹅的首要任务 is a top priority for all penguins. 121 00:13:58,900 --> 00:14:03,076 但有一个物种付出更多努力 But one species has gone to even greater lengths. 122 00:14:26,033 --> 00:14:28,766 这是阿德利企鹅 These are Adélies. 123 00:14:31,133 --> 00:14:35,033 它们正在进行地球最长的企鹅迁徙 And this is the longest penguin migration on Earth. 124 00:14:38,333 --> 00:14:41,242 阿德利企鹅从不在冰面产卵 Adélies don't lay their eggs on ice. 125 00:14:41,266 --> 00:14:44,209 它们必须持续追踪 They must continually monitor the expanding 126 00:14:44,233 --> 00:14:46,476 冰缘线的伸缩变化 and contracting ice edge, 127 00:14:46,500 --> 00:14:49,109 每年迁徙一万三千公里 traveling 8,000 miles a year 128 00:14:49,133 --> 00:14:54,909 只为靠近南极洲的裸露岩地 to stay close to an area of Antarctica with bare rock. 129 00:14:54,933 --> 00:15:01,076 99%的个体会年复一年回到同一巢穴 99% of them return to the same nests each year. 130 00:15:01,100 --> 00:15:04,776 但严冬过后 整个繁殖地 But after a harsh winter, the entire breeding ground 131 00:15:04,800 --> 00:15:07,909 都需要翻新修葺 is in need of renovation. 132 00:15:07,933 --> 00:15:10,809 时间紧迫 And time is of the essence. 133 00:15:10,833 --> 00:15:14,766 雄企鹅仅有数日准备迎接伴侣归来 The males have just days before their partners return. 134 00:15:19,066 --> 00:15:21,076 企鹅家族中没有其他成员 No other penguin in the family 135 00:15:21,100 --> 00:15:24,100 会如此倾力筑巢 puts as much effort into building its nest. 136 00:15:26,400 --> 00:15:28,509 这只认真的雄企鹅 And this conscientious male 137 00:15:28,533 --> 00:15:32,433 精心挑选着完美卵石 takes his time selecting the perfect pebbles. 138 00:15:40,033 --> 00:15:44,000 寻找合宜的石块并非易事 Finding stones that are just right isn't easy. 139 00:15:50,800 --> 00:15:55,342 于是某些狡猾分子找到了捷径 So some sneaky individuals have found a shortcut. 140 00:16:32,233 --> 00:16:34,842 这只可怜的雄企鹅尚未察觉 This poor male seems unaware that his hard work 141 00:16:34,866 --> 00:16:36,942 劳动成果正被窃取 is being undermined. 142 00:16:47,233 --> 00:16:51,500 而窃贼的巢穴倒是进展喜人 The thief's nest, however, is coming along very nicely. 143 00:16:55,533 --> 00:16:59,042 它显然深谙防范劫掠之道 He clearly knows to keep a sharp lookout for raiders. 144 00:17:11,866 --> 00:17:16,376 数日后 企鹅们完成巢穴翻新 A few days later, the penguins have finished their renovations. 145 00:17:22,266 --> 00:17:26,933 雌企鹅适时抵达 可谓分秒不差 And with the females arriving, it's just in the nick of time. 146 00:17:30,566 --> 00:17:34,342 这些伴侣已阔别九月有余 These couples haven't seen each other for nine months. 147 00:17:48,033 --> 00:17:51,376 无论靠辛勤劳作还是偷窃手段 And whether through hard work or thievery, 148 00:17:51,400 --> 00:17:55,309 翻新的巢穴显然赢得了青睐 the newly renovated nests seem to have impressed. 149 00:18:16,300 --> 00:18:20,709 企鹅无疑是极具创意的筑巢大师 Penguins are certainly imaginative nest builders. 150 00:18:20,733 --> 00:18:23,633 它们更是尽责的父母 They're also devoted parents. 151 00:18:26,333 --> 00:18:31,209 冠企鹅对此作出了最佳诠释 And no penguins demonstrate this better than the rockhoppers. 152 00:18:47,500 --> 00:18:52,766 这只雄企鹅守护着刚破壳的饥饿雏鸟 This male stands guard over his newly hatched and hungry chick. 153 00:18:56,966 --> 00:18:59,233 它已无存粮可喂 He has nothing left to feed him. 154 00:19:01,466 --> 00:19:06,276 若雌企鹅不及时归来 幼雏将面临饿死 And if mom doesn't get back soon, the chick will starve. 155 00:19:17,366 --> 00:19:20,009 它已出海捕猎数日 She's been out fishing for several days 156 00:19:20,033 --> 00:19:22,376 正在返程途中 and is on her way back, 157 00:19:22,400 --> 00:19:26,009 但前路危机四伏 but there's a huge challenge ahead. 158 00:19:26,033 --> 00:19:31,500 锯齿状海岸线旁汹涌的海浪暗藏杀机 The rough sea crashing on this jagged coastline is treacherous. 159 00:19:35,900 --> 00:19:38,042 一头巨型雄海狮 And a huge male sea lion, 160 00:19:38,066 --> 00:19:42,333 体型百倍于它 正在猎食 100 times her size, is on the hunt for food. 161 00:19:52,933 --> 00:19:56,076 在惊涛骇浪中 强健的胸肌 In such immense waves, strong chest 162 00:19:56,100 --> 00:19:59,966 与背部肌肉助它抵御冲击 and back muscles help her to withstand the impact. 163 00:20:07,833 --> 00:20:10,900 每一步都来之不易 Each step is hard won. 164 00:20:13,800 --> 00:20:16,809 更严峻的考验还在后头 And worse is to come. 165 00:20:23,533 --> 00:20:28,209 任何闪失都将给家庭带来灾难性后果 Any loss will have dire consequences for a family. 166 00:20:41,066 --> 00:20:44,376 雌企鹅与同伴继续奋战 Mom and the others battle on. 167 00:21:10,466 --> 00:21:12,909 它即将抵达 She's almost there. 168 00:21:49,600 --> 00:21:53,066 终于安全回归陆地 Safely back on solid ground. 169 00:21:56,200 --> 00:22:01,142 现在它要展现冠企鹅的看家本领 And now she does what all rockhoppers do best. 170 00:22:01,166 --> 00:22:04,033 一路跳跃回家 She hops all the way back home. 171 00:22:13,566 --> 00:22:15,466 看似轻松自如 She makes it look easy. 172 00:22:18,033 --> 00:22:20,176 幼鸟们... The youngsters... 173 00:22:20,200 --> 00:22:22,042 终将掌握诀窍 will get there eventually. 174 00:22:38,433 --> 00:22:42,176 跋涉一英里多的艰险路程后 After an arduous climb for over a mile, 175 00:22:42,200 --> 00:22:46,142 即便最顽强的海狮也难企及 and out of reach of even the most tenacious sea lion, 176 00:22:46,166 --> 00:22:48,142 它平安抵家 she makes it home. 177 00:22:57,133 --> 00:23:01,466 雏鸟终于获得哺育 And at last, her chick gets a meal. 178 00:23:09,733 --> 00:23:13,342 接下来的两个月 这对尽责的父母 Over the next two months, these devoted parents pull out 179 00:23:13,366 --> 00:23:17,200 将竭尽所能确保幼雏存活 all the stops to ensure their youngster's survival. 180 00:23:19,400 --> 00:23:22,200 雄企鹅忍饥守护幼雏... With dad starving himself to protect the chick... 181 00:23:25,466 --> 00:23:28,433...雌企鹅屡次冒险穿越怒涛与海狮... ...and mom risking the waves and the sea lions... 182 00:23:30,600 --> 00:23:33,833 周而复始 again and again. 183 00:23:46,700 --> 00:23:50,109 企鹅是无比尽责的父母 Penguins are incredibly dedicated parents, 184 00:23:50,133 --> 00:23:53,566 为保护幼雏倾尽全力 going to extraordinary lengths to protect their chicks. 185 00:23:57,933 --> 00:24:02,766 但企鹅幼崽并非总是弱不禁风 But penguin chicks aren't always as helpless as they seem. 186 00:24:04,900 --> 00:24:10,709 南极洲是地球最寒冷多风的大陆 Antarctica is the coldest and windiest continent on Earth. 187 00:24:15,600 --> 00:24:18,376 企鹅家族中最大的成员 The largest member of the penguin family 188 00:24:18,400 --> 00:24:21,509 仍选择在此繁育后代 chooses to breed here regardless. 189 00:24:31,533 --> 00:24:34,542 帝企鹅幼崽是唯一 Emperor chicks are the only offspring 190 00:24:34,566 --> 00:24:39,342 在南极寒冬诞生的后代 to be born in the Antarctic winter. 191 00:24:39,366 --> 00:24:43,042 要在此生存 必须足够强悍 To survive here, they have to be tough. 192 00:24:52,233 --> 00:24:55,476 特殊的育雏袋为它们提供数月庇护 Special brooding pouches have provided months 193 00:24:55,500 --> 00:24:58,576 抵御刺骨寒风 of shelter from the bitter winds. 194 00:25:04,300 --> 00:25:06,809 雏鸟看似脆弱 The chicks may look vulnerable, 195 00:25:06,833 --> 00:25:09,809 却拥有独特的适应机制 but they have special adaptations of their own 196 00:25:09,833 --> 00:25:11,466 保持体温 to stay warm. 197 00:25:14,300 --> 00:25:17,909 绒毛脚踝隔绝严寒 Feathery ankles keep out the biting cold 198 00:25:17,933 --> 00:25:22,076 高脂食物帮助它们 and the fat-rich food they're fed allows them 199 00:25:22,100 --> 00:25:26,509 积累厚实脂肪层 to build up a thick layer of blubber. 200 00:25:26,533 --> 00:25:28,842 有些雏鸟... Some chicks... 201 00:25:28,866 --> 00:25:30,733 格外圆润 are fatter than others. 202 00:25:34,833 --> 00:25:38,476 脂肪层对保暖至关重要 Blubber is vital for keeping warm, 203 00:25:38,500 --> 00:25:41,842 但瘦弱雏鸟拥有惊人适应力 but thinner chicks have an incredible adaptation 204 00:25:41,866 --> 00:25:45,709 维系生命 that helps to keep them alive. 205 00:25:45,733 --> 00:25:48,442 科学家发现 进食较少的雏鸟 Scientists have discovered that the cells of the chicks 206 00:25:48,466 --> 00:25:51,942 细胞工作效率反而更高 who eat less actually work more efficiently, 207 00:25:51,966 --> 00:25:56,333 即便在最寒冷的日子也能保存更多热量 helping them to conserve more heat even on the coldest days. 208 00:25:58,800 --> 00:26:02,309 因此无论胖瘦 这些非凡的雏鸟 So chubby or not, these remarkable chicks 209 00:26:02,333 --> 00:26:04,576 生来就能在此生存 are built to survive here. 210 00:26:12,433 --> 00:26:16,309 帝企鹅与王企鹅是地球上唯二 Emperor and king penguins are the only birds on Earth 211 00:26:16,333 --> 00:26:19,033 用脚掌孵卵的鸟类 to incubate the egg on their feet. 212 00:26:21,266 --> 00:26:24,976 但破壳后不能永远停留 But once hatched, they can't stay there forever, 213 00:26:25,000 --> 00:26:27,542 今日这只雏鸟 and today, this chick 214 00:26:27,566 --> 00:26:31,209 必须独自踏上冰原 must venture out onto the freezing ice alone. 215 00:26:37,866 --> 00:26:40,133 在父亲的鼓励下... With a little encouragement from dad... 216 00:26:42,366 --> 00:26:45,909...它迈出了雪地上的第一步 ...he takes his first steps onto the snow. 217 00:26:52,066 --> 00:26:55,409 它的脚掌完美适应极地环境 His feet are perfectly adapted to the terrain, 218 00:26:55,433 --> 00:26:58,242 特殊脂肪防冻 with special fats to keep them from freezing 219 00:26:58,266 --> 00:27:00,900 锋利脚爪抓冰 and strong claws to grip the ice. 220 00:27:02,900 --> 00:27:05,776 父亲密切注视 Dad keeps a close eye, 221 00:27:05,800 --> 00:27:07,709 但这些初次独立探索 but these first solo explorations 222 00:27:07,733 --> 00:27:12,209 对雏鸟未来自立至关重要 are so important for this chick's eventual independence. 223 00:27:35,200 --> 00:27:38,276 结交伙伴的能力 Being able to make new friends will be crucial 224 00:27:38,300 --> 00:27:41,276 关乎群体生活的成败 to a successful life in the colony. 225 00:27:55,200 --> 00:27:59,409 但离父亲太远可能遭遇危险 But it can be dangerous to stray too far from dad. 226 00:28:23,033 --> 00:28:26,276 养育后代的执念如此强烈 So strong is the parental urge to raise a chick 227 00:28:26,300 --> 00:28:28,942 这些在暴风雪中痛失幼雏的成鸟 that these adults, who have lost their chicks 228 00:28:28,966 --> 00:28:32,533 竟试图抢夺他雏 in the bitter storms, try to kidnap others. 229 00:28:35,433 --> 00:28:38,876 绝望会引发暴力 Desperation can turn to violence. 230 00:28:49,433 --> 00:28:52,609 这只雏鸟侥幸脱险 This chick has had a lucky escape. 231 00:29:08,333 --> 00:29:13,309 南极天气瞬息万变 The volatile Antarctic weather can change in an instant. 232 00:29:19,000 --> 00:29:21,742 尽管具备抗寒适应力 Despite its cold weather adaptations, 233 00:29:21,766 --> 00:29:25,709 这只雏鸟尚未做好完全独立准备 this chick isn't quite ready for complete independence. 234 00:29:25,733 --> 00:29:28,276 没有成鸟的保温羽毛 Without its insulating adult feathers 235 00:29:28,300 --> 00:29:32,242 和父母体温庇护 它将难以存活 and the warmth of its parents, it will perish. 236 00:29:40,866 --> 00:29:45,076 雏鸟的叫声如指纹般独特 The chick's call is as unique as a fingerprint. 237 00:29:54,000 --> 00:29:59,109 即使相隔遥远 穿过呼啸寒风 Even from a distance, through howling winds, 238 00:29:59,133 --> 00:30:01,376 父亲仍能辨识 dad recognizes it. 239 00:30:27,666 --> 00:30:31,309 今日的冒险已足够 That's enough excitement for one day. 240 00:30:40,300 --> 00:30:42,876 企鹅的成功秘诀在于 Penguins are especially successful 241 00:30:42,900 --> 00:30:45,866 群体生活的能力... because of their ability to live in a colony... 242 00:30:49,133 --> 00:30:53,542...形成地球上最壮观的鸟类聚集现象 ...creating some of the largest bird gatherings on Earth. 243 00:31:05,400 --> 00:31:07,742 超过百万只皇家企鹅 Over a million royal penguins 244 00:31:07,766 --> 00:31:11,466 聚集在太平洋的麦夸里岛 gather on the Pacific Ocean's Macquarie Island. 245 00:31:13,666 --> 00:31:16,576 在远洋漂泊数月后 Having spent months out in the open ocean, 246 00:31:16,600 --> 00:31:20,609 拥挤的环境起初颇具挑战 the cramped conditions can be challenging at first. 247 00:31:23,566 --> 00:31:28,076 但群体意味着安全 But there is safety in numbers. 248 00:31:28,100 --> 00:31:32,109 秘鲁的洪堡企鹅与其他海鸟结盟 In Peru, the Humboldt penguin teams up with other sea birds, 249 00:31:32,133 --> 00:31:36,076 如鸬鹚 形成大型混居群落 like cormorants, to form huge mixed colonies. 250 00:31:41,766 --> 00:31:46,676 南极地区分布着2400万只马可罗尼企鹅 And across the Antarctic region, 24 million macaronis 251 00:31:46,700 --> 00:31:49,033 它们过着紧密的群居生活 live in close-knit colonies. 252 00:31:51,033 --> 00:31:55,842 马可罗尼企鹅是数量最庞大的企鹅物种 Macaronis are the most numerous of any penguin species. 253 00:31:55,866 --> 00:32:00,200 它们将雏鸟集中照看以保障安全 They gather chicks together into crèches to keep them safe. 254 00:32:04,900 --> 00:32:06,876 正是这种尽责的养育方式 Such dedicated parenting 255 00:32:06,900 --> 00:32:12,176 使企鹅得以繁衍生息 has enabled penguins to thrive in large numbers. 256 00:32:12,200 --> 00:32:15,009 独特的生理构造让它们征服了 And their unique biology has seen them conquer 257 00:32:15,033 --> 00:32:17,800 南大洋乃至更远海域 the Southern Ocean and beyond. 258 00:32:28,533 --> 00:32:32,633 这是地球上速度最快的企鹅... This is the fastest penguin on the planet... 259 00:32:36,500 --> 00:32:38,442 巴布亚企鹅 the gentoo. 260 00:32:42,933 --> 00:32:47,633 福克兰群岛海域盛产磷虾 Here in the Falkland Islands, lobster krill occur in swarms. 261 00:32:50,633 --> 00:32:54,800 对巴布亚企鹅而言这是饕餮盛宴 For the gentoo, it's a favorite feast. 262 00:32:58,733 --> 00:33:02,776 时速可达35公里 Reaching speeds of 22 miles an hour, 263 00:33:02,800 --> 00:33:06,209 下潜深度200米 diving as deep as 650 feet, 264 00:33:06,233 --> 00:33:09,842 屏息时长七分钟 and holding their breath for up to seven minutes, 265 00:33:09,866 --> 00:33:13,542 进化使它们成为顶尖水生健将 they've evolved to become supreme aquatic athletes. 266 00:33:20,400 --> 00:33:23,266 饱餐后它们返回岸上 Bellies full, they head for shore. 267 00:33:32,100 --> 00:33:36,066 此刻才是真正的考验 And now their skills are really put to the test. 268 00:33:39,466 --> 00:33:41,676 南美海狮出没 A southern sea lion. 269 00:33:52,333 --> 00:33:55,009 流线型身躯让企鹅能够 The penguins' streamlined bodies allow them 270 00:33:55,033 --> 00:33:58,776 破水而出 to shoot out of the water, 271 00:33:58,800 --> 00:34:03,533 这种"豚跃"技巧可迷惑捕食者 a trick known as porpoising, thought to confuse predators. 272 00:34:07,466 --> 00:34:12,733 短脚如舵 能将身体弹射至空中 Short feet act like rudders, catapulting them into the air. 273 00:34:15,866 --> 00:34:21,009 肌肉发达的鳍肢实现急转弯 And fused muscular flippers allow them to make sharp turns. 274 00:34:27,033 --> 00:34:30,442 海狮虽精通水性 Sea lions are extremely adept in the water, 275 00:34:30,466 --> 00:34:34,509 却难敌巴布亚企鹅的敏捷 but they can't quite compete with the gentoo's agility. 276 00:34:40,800 --> 00:34:45,709 但在陆地上 企鹅的优势荡然无存 On land, however, the penguins' advantage is lost. 277 00:35:01,700 --> 00:35:05,976 巴布亚企鹅唯有重返大海才有生机 The gentoo's only chance is to get back to the sea. 278 00:36:00,233 --> 00:36:01,933 它成功了 He's made it. 279 00:36:11,966 --> 00:36:15,076 峡湾企鹅将流线型身躯 The Fjordland penguin uses its streamlined body 280 00:36:15,100 --> 00:36:17,542 另作他用... for another purpose... 281 00:36:17,566 --> 00:36:22,242 穿梭于新西兰狭窄的溪流河道 to zip up the narrow streams and rivers of New Zealand, 282 00:36:22,266 --> 00:36:25,276 这条捷径直通森林深处 a perfect shortcut to safe nesting grounds 283 00:36:25,300 --> 00:36:26,933 的安全巢区 deep in the forest. 284 00:36:33,766 --> 00:36:37,442 企鹅完美适应水生生活 Penguins are supremely adapted to an aquatic life, 285 00:36:37,466 --> 00:36:42,009 生命中75%时间在水中度过 spending 75% of their lives in the water. 286 00:36:42,033 --> 00:36:47,342 但所有企鹅终须登陆 But all penguins have to walk on land at some point. 287 00:36:47,366 --> 00:36:48,776 为适应陆地行动 And to get around, 288 00:36:48,800 --> 00:36:51,800 它们进化出独特步态 they've developed a remarkable technique. 289 00:36:59,033 --> 00:37:04,509 这是纹颊企鹅 This is the chinstrap penguin. 290 00:37:04,533 --> 00:37:07,576 它们栖息在南大洋 It makes its home on some of the most hostile islands 291 00:37:07,600 --> 00:37:09,233 最荒凉的岛屿上 of the Southern Ocean. 292 00:37:12,133 --> 00:37:15,909 活跃的火山温暖地面 Active volcanos here warm the ground, 293 00:37:15,933 --> 00:37:18,333 每年早早融雪 melting the snow early in the year. 294 00:37:20,633 --> 00:37:25,166 问题是最佳栖息地远离海洋 Trouble is, the best spots are far from the sea. 295 00:37:27,600 --> 00:37:31,276 前往那里意味着长途跋涉 To get there means a very long walk. 296 00:37:42,266 --> 00:37:47,066 著名的企鹅摇摆步态让艰难旅程变得轻松 The tough hike is made easier by the infamous penguin waddle. 297 00:37:50,566 --> 00:37:55,076 这种奇特步态看似低效 This unusual style of locomotion may look inefficient, 298 00:37:55,100 --> 00:37:58,400 却意外地大有裨益 but surprisingly, it works in their favor. 299 00:38:01,766 --> 00:38:03,209 如同钟摆 Like a pendulum, 300 00:38:03,233 --> 00:38:05,976 左右摇摆能在每次动作末端 the side-to-side motion stores energy 301 00:38:06,000 --> 00:38:08,209 储存能量 at the end of each movement, 302 00:38:08,233 --> 00:38:11,100 供下一步使用 energy that can be used in the next step. 303 00:38:14,000 --> 00:38:18,609 人类每步可回收65%的能量 We humans get 65% of the energy back with each step, 304 00:38:18,633 --> 00:38:21,166 企鹅却高达80% but penguins can get up to 80%. 305 00:38:23,900 --> 00:38:28,342 因此摇摆步态比人类行走更高效 So the waddle is more efficient than our own walk. 306 00:38:28,366 --> 00:38:31,400 这意味着它们能走得更远更久 Which means they can walk farther, for longer. 307 00:38:36,966 --> 00:38:39,109 当面对覆盖着 And when it comes to a cliff face covered 308 00:38:39,133 --> 00:38:41,666 火山灰的陡峭崖壁... in slippery volcanic ash... 309 00:38:46,266 --> 00:38:49,842...企鹅凭借强健脚掌与钩状喙部 ...the penguin's strong feet and hooked beak pull 310 00:38:49,866 --> 00:38:51,733 攀爬而上 and push it upwards. 311 00:38:55,933 --> 00:39:00,200 海洋生物成功征服了陆地 A bird built for life at sea has mastered the land. 312 00:39:05,900 --> 00:39:10,542 现在这位父亲只需在百万同类中 Now all this dad has to do is find his family... 313 00:39:10,566 --> 00:39:13,300 找到自己的家人 amongst a million others. 314 00:39:25,000 --> 00:39:29,400 企鹅成功的另一秘诀在于羽毛 Another secret to the penguins' success is its feathers. 315 00:39:32,366 --> 00:39:35,576 但必须保持完美状态 But only if they're kept in perfect condition. 316 00:39:43,800 --> 00:39:48,142 每年一次的换羽过程至关重要 A yearly process of regeneration is crucial, 317 00:39:48,166 --> 00:39:52,676 王企鹅对此极为重视 and king penguins take this very seriously indeed. 318 00:39:59,366 --> 00:40:01,942 南大洋数月的风浪侵蚀 Months of battering by the Southern Ocean 319 00:40:01,966 --> 00:40:04,733 使王企鹅羽毛受损严重 have taken their toll on the kings' feathers. 320 00:40:07,400 --> 00:40:09,509 此刻在南乔治亚岛 And now, in South Georgia, 321 00:40:09,533 --> 00:40:14,376 数千只企鹅上岸进行必要焕新 thousands are coming ashore for an essential makeover. 322 00:40:17,000 --> 00:40:21,276 但首先得越过这堆脂肪山 But first they have to get past this pile of blubber. 323 00:41:03,266 --> 00:41:06,400 终于抵达栖息地 The colony at last. 324 00:41:10,633 --> 00:41:13,400 盛大蜕变即将开始 The great transformation can begin. 325 00:41:17,466 --> 00:41:22,376 从痛快挠痒开始 Starting with a really good scratch. 326 00:41:26,533 --> 00:41:30,509 紧密排列的硬质小羽毛覆盖柔软绒毛 Small, stiff feathers tightly packed over soft down 327 00:41:30,533 --> 00:41:35,442 形成保温层 have given this penguin a blanket of insulation. 328 00:41:35,466 --> 00:41:38,609 但现在必须褪去全部四层羽毛 But he must now shed all four layers, 329 00:41:38,633 --> 00:41:42,576 这个过程称为"灾难性换羽" a process known as the catastrophic molt. 330 00:41:49,466 --> 00:41:53,776 褪去数千根羽毛是个漫长过程 Shedding thousands of feathers is a tedious process, 331 00:41:53,800 --> 00:41:56,609 但每只企鹅每年都必须经历 but every penguin must do it once a year. 332 00:42:03,733 --> 00:42:08,609 耗时越久 禁食期就越长 The longer it takes, the longer he'll have to go without food, 333 00:42:08,633 --> 00:42:10,909 堪称耐力考验 a true trial of endurance. 334 00:42:22,500 --> 00:42:26,509 经过漫长的一个月 But after a long month, 335 00:42:26,533 --> 00:42:29,600 它已焕然一新 he is the image of perfection. 336 00:42:31,800 --> 00:42:36,209 如同新换的冬装 羽毛重获新生 Like a new winter coat, his feathers are restored. 337 00:42:43,100 --> 00:42:46,576 它迫不及待开始试航 And he doesn't waste any time testing it out. 338 00:42:56,000 --> 00:42:59,476 期待已久的大餐在等着它 A long awaited meal is in store. 339 00:43:16,633 --> 00:43:18,442 数百万年来 Over millions of years, 340 00:43:18,466 --> 00:43:23,309 企鹅进化出陆海两栖的生存本领 penguins have evolved to master life on land and at sea, 341 00:43:23,333 --> 00:43:28,242 成为卓越父母 征服森林 to become superb parents and to conquer forests, 342 00:43:28,266 --> 00:43:31,766 沙漠甚至城市 deserts, and even cities. 343 00:43:35,000 --> 00:43:40,476 但人类正以前所未有的速度改变地球 But we humans are changing the planet faster than ever before, 344 00:43:40,500 --> 00:43:43,576 部分企鹅难以适应 and some penguins are struggling to keep up. 345 00:43:48,233 --> 00:43:50,909 世界上最小的企鹅 The smallest penguin in the world, 346 00:43:50,933 --> 00:43:53,342 aptly named little penguin, 347 00:43:53,366 --> 00:43:55,709 小蓝企鹅在澳大利亚海岸 has lived on Australia's beaches 348 00:43:55,733 --> 00:43:59,509 已栖息240万年 for 2.4 million years. 349 00:43:59,533 --> 00:44:01,676 但最近200年间 But in the last 200 years, 350 00:44:01,700 --> 00:44:04,576 随着猫和狐狸的引入 with the introduction of cats and foxes, 351 00:44:04,600 --> 00:44:07,100 它们正面临灭绝危机 they're now at risk of extinction. 352 00:44:11,233 --> 00:44:13,376 在新西兰南岛 On New Zealand's South Island, 353 00:44:13,400 --> 00:44:17,133 黄眼企鹅曾遭人类捕食 yellow-eyed penguins used to be hunted for food. 354 00:44:19,966 --> 00:44:23,576 近年来 栖息地丧失与外来捕食者 More recently, habitat loss and alien predators 355 00:44:23,600 --> 00:44:26,809 导致数量锐减 have decimated their numbers, 356 00:44:26,833 --> 00:44:29,666 仅剩2000对 leaving just 2,000 pairs. 357 00:44:33,866 --> 00:44:38,142 巴塔哥尼亚东海岸还栖息着 On the east coast of Patagonia lives another colony 358 00:44:38,166 --> 00:44:41,609 另一濒危企鹅种群 of penguins in serious decline. 359 00:44:48,800 --> 00:44:54,142 麦哲伦企鹅在酷热荒漠安家 The Magellanic penguin makes its home in the scorching desert. 360 00:45:03,400 --> 00:45:04,809 每隔数年 Every few years, 361 00:45:04,833 --> 00:45:09,209 这个群落就会遭遇雏鸟大量死亡 this colony suffers a dramatic loss of chicks. 362 00:45:09,233 --> 00:45:15,542 单季死亡率高达60% 原因至今成谜 As many as 60% will die in one season, and no one knows why. 363 00:45:20,500 --> 00:45:23,976 斯旺西大学的科学家团队 Now a group of scientists from Swansea University 364 00:45:24,000 --> 00:45:26,509 正展开专项调查 are on a mission to find out. 365 00:45:30,600 --> 00:45:33,042 他们认为问题可能源于 They believe the problem may lie 366 00:45:33,066 --> 00:45:36,776 它们在海洋中的食物 in what they're eating out at sea. 367 00:45:36,800 --> 00:45:39,076 但要如何追踪这些 But how do you keep up with fast-swimming 368 00:45:39,100 --> 00:45:41,733 擅长深潜的迅捷泳者？ deep-diving penguins out there? 369 00:45:45,800 --> 00:45:48,109 答案是摄像机 The answer is cameras. 370 00:45:56,366 --> 00:46:00,342 经过精心安装的超轻流线型设备 Streamlined and super light, they're carefully attached, 371 00:46:00,366 --> 00:46:02,042 仅需几分钟 and in a matter of minutes, 372 00:46:02,066 --> 00:46:04,309 佩戴迷你背包的亲鸟 the parents are returned to their chicks, 373 00:46:04,333 --> 00:46:07,909 就能安然回到雏鸟身边 entirely unfazed by their mini backpacks. 374 00:46:18,400 --> 00:46:21,642 企鹅大部分时间在海洋活动 Penguins spend the majority of their time at sea, 375 00:46:21,666 --> 00:46:25,200 但这恰是我们了解最少的环节 but it's the part of their lives we know the least about. 376 00:46:28,300 --> 00:46:31,609 这项技术具有开创性意义 So this technology is groundbreaking. 377 00:46:39,833 --> 00:46:44,876 摄像机显示麦哲伦企鹅每次捕食要跋涉320公里 The cameras show the Magellanics traveling as far as 200 miles 378 00:46:44,900 --> 00:46:48,766 潜水多达400次 and diving up to 400 times on each fishing trip. 379 00:46:50,200 --> 00:46:52,976 当企鹅终于发现食物时 And when the penguin finally finds food, 380 00:46:53,000 --> 00:46:55,100 却做出惊人举动 it does something astonishing. 381 00:46:57,166 --> 00:47:00,009 它选择视而不见 It chooses to ignore it. 382 00:47:00,033 --> 00:47:05,809 它屡次绕过磷虾、乌贼和龙虾幼体 Time and time again, it swims past shrimp, squid, 383 00:47:05,833 --> 00:47:09,600 这些本都是企鹅的理想食物 and lobster krill, all viable penguin food. 384 00:47:13,633 --> 00:47:16,766 它似乎在搜寻其他目标 It seems to be searching for something else. 385 00:47:21,400 --> 00:47:27,209 富含油脂的凤尾鱼——企鹅的超级食物 Anchovies, rich in oil, a penguin superfood. 386 00:47:36,866 --> 00:47:39,642 这是麦哲伦企鹅能提供给雏鸟 They are the most nutritious prey Magellanics 387 00:47:39,666 --> 00:47:42,776 最具营养的猎物 影像证明 can feed their chicks, and this footage proves 388 00:47:42,800 --> 00:47:45,442 企鹅会主动搜寻它们 that the penguins actively seek them out. 389 00:47:51,233 --> 00:47:56,109 但凤尾鱼正被人类大量捕捞 But anchovies are heavily fished for human consumption. 390 00:48:01,733 --> 00:48:04,709 科学家认为过度捕捞 And now scientists believe that overfishing 391 00:48:04,733 --> 00:48:07,800 是雏鸟死亡的主因 is the main cause of chick mortality. 392 00:48:12,200 --> 00:48:15,376 无法获取高营养食物 Without access to the most nutritious food, 393 00:48:15,400 --> 00:48:18,276 雏鸟难以存活 the chicks are just not surviving. 394 00:48:22,133 --> 00:48:23,976 凭借这些关键数据 With this vital information, 395 00:48:24,000 --> 00:48:27,409 科学家得以推动政策制定者 scientists can now influence policymakers 396 00:48:27,433 --> 00:48:30,009 设定可持续捕捞配额 to set sustainable fishing quotas 397 00:48:30,033 --> 00:48:33,509 保障麦哲伦企鹅的未来 and help to secure the Magellanics' future. 398 00:48:39,233 --> 00:48:41,376 在所有企鹅物种中 Of all the penguin species, 399 00:48:41,400 --> 00:48:45,709 竖冠企鹅最为神秘 the least known is the erect-crested penguin. 400 00:48:45,733 --> 00:48:48,476 它们栖息在南太平洋偏远地带 It lives so remotely in the South Pacific 401 00:48:48,500 --> 00:48:51,709 见过的人屈指可数 that few people have ever seen it, 402 00:48:51,733 --> 00:48:53,633 更遑论研究 let alone studied it. 403 00:48:55,500 --> 00:48:58,042 若该物种数量锐减 So, if the species is in decline, 404 00:48:58,066 --> 00:49:01,842 我们可能后知后觉 we might not know until it's too late. 405 00:49:01,866 --> 00:49:06,176 这个企鹅家族第18位成员可能在人类施救前 And the 18th and final penguin in the family could disappear 406 00:49:06,200 --> 00:49:09,000 就已灭绝 before anyone has had a chance to save it. 407 00:49:12,400 --> 00:49:16,609 连标志性的帝企鹅也处境堪忧 Even the iconic emperor penguin is in trouble. 408 00:49:16,633 --> 00:49:20,209 由于海冰消退 下个世纪 Up to 20% of them could disappear in the next century 409 00:49:20,233 --> 00:49:24,776 其数量可能减少20% as a result of receding sea ice. 410 00:49:24,800 --> 00:49:27,842 但并非全是坏消息 But it's not all bad news. 411 00:49:27,866 --> 00:49:32,209 科技带来新发现 Technology is giving us new insights. 412 00:49:32,233 --> 00:49:36,476 帝企鹅栖居地极度偏远 历来 The very fact that emperors live so remotely has historically 413 00:49:36,500 --> 00:49:39,233 难以监测 made them incredibly hard to monitor. 414 00:49:41,900 --> 00:49:45,042 直到现在 Until now. 415 00:49:45,066 --> 00:49:47,842 距地面640公里的太空 Over 400 miles above us, 416 00:49:47,866 --> 00:49:52,142 卫星持续拍摄地球影像... satellites continually capture images of the Earth... 417 00:49:56,533 --> 00:49:58,509 高精度图像令科学家 images so detailed 418 00:49:58,533 --> 00:50:02,700 获得惊人发现 that scientists are making some startling discoveries. 419 00:50:05,666 --> 00:50:12,442 从太空俯瞰 南极洲是广袤的白色 From space, Antarctica is a great expanse of white. 420 00:50:12,466 --> 00:50:17,500 唯有些许褐色斑点点缀冰原 Except for these strange brown patches dotted across the ice. 421 00:50:20,900 --> 00:50:24,342 这些褐色斑点是... Brown patches... 422 00:50:24,366 --> 00:50:26,466 企鹅的排泄物 of penguin droppings. 423 00:50:30,400 --> 00:50:34,442 规模上万的帝企鹅群落 Emperor colonies, 10,000 birds strong, 424 00:50:34,466 --> 00:50:36,509 会留下明显痕迹 leave a mess behind them. 425 00:50:41,533 --> 00:50:44,076 当栖息地逐渐污浊 As the ground beneath them gets dirtier, 426 00:50:44,100 --> 00:50:48,500 它们便向洁净雪域迁徙 they migrate across the ice to fresh, clean snow. 427 00:50:52,333 --> 00:50:56,376 迁徙途中留下活动轨迹 And as they, do they leave a trail behind them. 428 00:51:01,100 --> 00:51:05,400 从太空很难直接发现企鹅群落... From space, a penguin colony would be difficult to spot... 429 00:51:08,833 --> 00:51:12,800...但它们的活动痕迹清晰可辨 ...but the marks they leave behind stand out. 430 00:51:15,400 --> 00:51:18,376 科学家无需亲赴南极 So without even stepping foot on Antarctica, 431 00:51:18,400 --> 00:51:24,509 就能发现新帝企鹅种群 scientists are discovering new populations of emperor penguins, 432 00:51:24,533 --> 00:51:27,376 甚至能根据痕迹规模 and they can even determine the size of the colony 433 00:51:27,400 --> 00:51:30,033 推算群落大小 from the dimensions of these trails. 434 00:51:33,733 --> 00:51:38,242 通过此法已发现37个新群落 37 new colonies have been found in this way, 435 00:51:38,266 --> 00:51:40,976 使全球已知帝企鹅数量 more than doubling the known global population 436 00:51:41,000 --> 00:51:44,209 翻倍有余 of the species. 437 00:51:44,233 --> 00:51:48,676 每个新群落的发现都孕育希望 With each new colony discovered, there is hope. 438 00:51:53,866 --> 00:51:58,009 从新西兰森林的古老家园 From the forests of their ancestral home in New Zealand 439 00:51:58,033 --> 00:52:01,809 到赤道再返回 to the equator and back, 440 00:52:01,833 --> 00:52:04,942 企鹅家族的传奇 the penguin family story 441 00:52:04,966 --> 00:52:08,366 是部适应与坚韧的史诗 is one of resilience and adaptation. 442 00:52:12,400 --> 00:52:15,909 它们当之无愧是地球上 It's easy to see why they're one of the most beloved 443 00:52:15,933 --> 00:52:18,542 最受喜爱的动物家族 animal families on Earth. 444 00:53:03,200 --> 00:53:05,109 欲了解本期《自然》节目 To learn more about what you've seen 445 00:53:05,133 --> 00:53:06,809 更多精彩内容 on this "Nature" program, 446 00:53:06,833 --> 00:53:09,009 请访问pbs.org visit pbs.org.