NARRATOR: On the grasslands of Southern Africa lives a remarkable family, 旁白：在南部非洲的草原上，住着一个非同寻常的家庭，
a hyena clan, ruled by their queen. 一个鬣狗家族，由他们的女王统治。
(SQUEALING) （尖叫声）
But their home is suffering an intense drought. 但是他们的家正遭受着严重的干旱。
Prey is hard to find, 猎物很难找到，
and the clan must travel vast distances in search of food. 氏族必须长途跋涉寻找食物。
In the harsh conditions, with young to feed, they face a tough decision, 在恶劣的环境下，由于幼崽需要喂养，它们面临着一个艰难的决定，
do they leave their cubs and head north to hunt? 它们会离开幼崽北上打猎吗？
Or do they wait for the rains, and the herds, to come to them? 还是等着雨和牛群来找他们？
The clan must be bold 家族一定要大胆
Cunning 狡猾的
And strong 而且强壮
If they are to make it through the drought, 如果他们能挺过干旱，
the toughest time of all. 最艰难的时刻。
(THEME MUSIC PLAYING) （主题音乐播放）
Meet the north clan. 去见北方部落。
An extended family of 12 spotted hyenas. 12只斑点鬣狗的大家族。
This is the first meal they've had in almost a week. 这是他们近一周来吃的第一顿饭。
They're hungry and it's only a tiny antelope. 他们饿了，它只是一只小羚羊。
They need a decent meal at least every three days. 他们至少每三天需要一顿像样的饭菜。
There isn't enough to go around, and tensions rise. 没有足够的资金去解决问题，紧张局势加剧。
(GROWLING) （咆哮）
(GROWLING, SQUEALING) （咆哮，尖叫）
The clan is struggling. 家族正在挣扎。
Their queen has two cubs to feed. 它们的蜂王有两只幼崽要喂养。
A prince and princess 王子和公主
six weeks old, 六周大了，
and they'll rely almost entirely on her milk 他们几乎完全依赖她的牛奶
for up to a year and a half. 长达一年半。
Keeping them alive is her top priority. 让他们活着是她的首要任务。
Their home is an underground den 他们的家是一个地下洞穴
in the north of an area of wilderness 在一片荒野的北部
known as the Liuwa Plains. 被称为柳瓦平原。
The queen and her clan rule over a huge patch of the plains 女王和她的氏族统治着一大片平原
extending 20 miles in every direction from their den. 从巢穴向四面八方延伸20英里。
Located in the far west of Zambia, 位于赞比亚最西部，
Liuwa Plains National Park is 1400 square miles 流洼平原国家公园占地1400平方英里
of open grassland. 开阔的草原。
There are only a handful of lions here, 这里只有少数狮子，
and the queen and her clan have risen to the top of the food chain. 女王和她的家族已经上升到食物链的顶端。
Here they are hunters, not scavengers. 他们是猎人，不是拾荒者。
In good years, there's plenty for the clan to eat. 年景好的时候，家里有很多吃的。
Herds of zebra. 成群的斑马。
Small antelopes, called oribi. 小羚羊，叫奥利比。
And the clan's favorite prey, wildebeest 家族最喜欢的猎物，牛羚
and their calves. 还有他们的小牛。
(GRUNTING) （咕哝着）
(THUNDER ROLLING) （雷声滚滚）
In the rainy season, 在雨季，
thousands of wildebeest normally converge on the plains, 成千上万的牛羚通常聚集在平原上，
in the center of the hyena's territory. 在鬣狗领地的中心。
(MOOING, GRUNTING) （咕噜咕噜）
But this year the rains are more than a month late. 但是今年的雨晚了一个多月。
Not a single drop has fallen for more than six months 六个多月来没有一个下跌
and Liuwa Plains is suffering a severe drought. 流洼平原正遭受着严重的干旱。
Without fresh green grass to attract them, 没有新鲜的绿草来吸引它们，
there are no wildebeest herds anywhere near the north clan's territory. 北部族的领地附近没有牛羚群。
The herds are now scattered far to the north, 牛群现在分散在遥远的北方，
and the clan has to travel vast distances to find them. 而氏族要找到他们就得走很远的路。
Several weeks ago, a hunting party from the clan went north 几周前，一支来自部落的狩猎队北上
and never returned, 再也没有回来，
leaving this small yearling an orphan. 把一岁的孩子变成孤儿。
(SQUEALING) （尖叫声）
The clan has a strict hierarchy and the yearling's been pushed 这个家族有严格的等级制度，一岁的孩子被推了
to the bottom of the social pile. 到了社会底层。
(CHIRPING AND GROWLING) （叽叽喳喳）
Even the two young cubs take turns to boss her around. 就连这两只幼崽也轮流来指挥她。
(SQUEALING) （尖叫声）
(GROWLING) （咆哮）
Born to a queen, they have high ranking in the clan. 他们出生于王后，在家族中地位很高。
For the orphan, without a mother to protect her and give her status, 对于孤儿来说，没有母亲保护她并给予她地位，
life is a daily struggle. 生活就是每天的奋斗。
(SQUEALING) （尖叫声）
She needs to grow up fast and gain respect. 她需要快速成长并赢得尊重。
She is barely old enough to eat solid food and has no mother to provide milk. 她还没到吃固体食物的年龄，也没有母亲来提供牛奶。
Now she has little choice. 现在她别无选择。
She must fight, even for a tiny scrap of the kill, 她必须战斗，哪怕是一点点杀戮，
to keep herself alive. 为了保住自己的性命。
And when the clan goes out hunting, she must follow, 当家族外出打猎时，她必须跟着，
otherwise she won't survive. 否则她就活不下去了。
Like all hyenas, this clan is matriarchal. 像所有鬣狗一样，这个家族是母系氏族。
Females are in charge. 女性负责。
They're as big and strong as male hyenas. 它们和雄鬣狗一样高大强壮。
(GROWLING) （咆哮）
All of the adult females can potentially have cubs, 所有成年雌性都有可能生下幼崽，
but they will usually only tolerate one adult male at the den. 但它们通常只会容忍一只成年雄性。
And they use him for one purpose only 他们利用他只是为了一个目的
Mating. 交配。
The clan females have unusually high levels of testosterone 氏族女性的睾丸激素水平异常高
and this results in the growth of external genitalia, 这会导致外生殖器的生长，
a pseudopenis, that looks almost identical to a male phallus. 一个假阴茎，看起来和男性阳具几乎一样。
It's very hard to tell them apart. 很难把它们分开。
In a few years when the prince and princess grow up, 几年后王子和公主长大了，
she'll stay with the clan but he'll be pushed out of the den 她会留在家族里，但他会被赶出巢穴
to fend for himself. 自食其力。
He might become a satellite male, 他可能会变成一个卫星男性，
guarding the den from a distance. 从远处守卫洞穴。
Or he will leave his home and travel far to find a new clan. 否则他会离开自己的家，远道而去寻找一个新的氏族。
For now though he's indulged, 现在他纵情纵容，
and all the clan helps out with the cubs. 所有的家族都在帮助幼崽。
There's even a babysitter to watch over them 甚至有保姆照看他们
when the queen goes out hunting. 当女王出去打猎的时候。
Or when she just needs to take a break. 或者当她需要休息的时候。
(SQUEALING) （尖叫声）
When the cubs are around 18 months old they will start to eat solid food. 当幼崽在18个月大的时候，它们会开始吃固体食物。
But for now, their mother's milk gives them everything they need. 但现在，他们的母乳给了他们所需要的一切。
Hyena milk is some of the richest in the animal kingdom, 鬣狗奶是动物王国中最丰富的，
with the highest level of protein and fat of any African carnivore. 是非洲食肉动物中蛋白质和脂肪含量最高的动物。
It's so rich, one feed can keep the cubs going for days at a time. 它太丰富了，一次喂食可以让幼崽一次坚持几天。
But when their mother goes hunting she can't be gone too long. 但当他们的母亲去打猎时，她不会走太久。
If left for more than a week, the cubs would die. 如果离开超过一个星期，小熊就会死。
For the queen, producing such nutritious milk requires a lot of energy. 对女王来说，生产这种营养丰富的牛奶需要大量的能量。
And she hasn't had a decent meal in over a week. 她已经一个多星期没吃过像样的饭了。
The clan begins to stir in anticipation of the cool of the night. 家族开始骚动，期待着夜晚的凉爽。
(SQUEALING) （尖叫声）
They have conserved their energy for night-time, when they typically hunt. 它们保存了夜间的能量，以备夜间狩猎之用。
Hyenas can hear sounds up to seven miles away and have excellent night vision. 鬣狗可以听到七英里外的声音，并且有极好的夜视能力。
They scour their home territory for food. 他们在家乡寻找食物。
They can cover their entire range, walking 20 miles in one night. 它们可以覆盖整个范围，一晚步行20英里。
The queen stays at the den to feed the cubs, 女王呆在洞穴里喂幼崽，
but listens out for any sound of the clan making a kill. 但要留心任何家族杀人的声音。
But even highly adapted senses are no help when there's so little to be found. 但是，即使是高度适应的感觉也无济于事。
A lone African wildcat is the only creature they see. 他们看到的只有一只非洲野猫。
They will continue the search until sunrise. 他们将继续搜寻直到日出。
Despite their nocturnal efforts, the clan's hunters return 尽管他们夜以继日，部落的猎人们还是回来了
to the den empty-handed. 空手而归。
But the cubs are still pleased to see their family safe and well. 但幼崽们仍然很高兴看到他们的家人安然无恙。
(BIRDS CHIRPING) （鸟儿啁啾）
It's one of the worst droughts in decades. 这是几十年来最严重的干旱之一。
By now, the rains should have come 现在，雨应该已经来了
and the clan would have thousands of wildebeest to hunt all around them. 这个家族会有成千上万的牛羚围着他们打猎。
But with no sign of rain or large wildebeest herds 但没有下雨的迹象，也没有大群牛羚
on the horizon, the queen faces a tough decision. 在地平线上，女王面临一个艰难的决定。
Does she take a risk and lead another hunting party north 她会冒险带领另一支狩猎队北上吗
or does she wait and hope the herds come to her? 还是她等待着，希望牛群来找她？
She makes a brave call and gathers the best hunters in the clan. 她勇敢地打了个电话，召集了家族中最好的猎人。
They could be gone for days, 他们可能会离开几天，
so a babysitter stays behind to guard the cubs. 所以一个保姆留下来照看幼崽。
The lowly orphan has no option. She must join the hunters. 这个卑微的孤儿别无选择。她必须加入猎人。
The cubs must wait patiently, without food, for their mother to return. 幼崽必须耐心等待，没有食物，等待他们的母亲回来。
After a few hours, the hunting party is already 15 miles from the den. 几个小时后，狩猎队已经离巢穴15英里了。
They find a single wildebeest. 他们找到了一只牛羚。
But no sign of the large herds with calves they're looking for. 但是没有迹象表明他们正在寻找的有小牛的大牛群。
Lone male wildebeest hold territories in this part of the plains year round. 独居的雄性角马常年在平原的这一部分占据领地。
When the rains return, bringing the big herds with females, 当雨又来了，带来了一大群母羊，
they'll be in prime position to breed. 它们将处于繁殖的最佳位置。
They spend their days fighting with their 他们每天都在和
neighbors in a display of strength. 邻居们在展示力量。
For the clan, attempting to bring down one of these aggressive beasts 为了部落，试图打倒其中一个好斗的野兽
is not worth the risk. 不值得冒这个险。
(GRUNTS) （咕噜声）
They push on further to the north. 他们继续向北推进。
Another hour on and the temperature climbs to 100 degrees. 再过一个小时，气温就上升到100度。
(GROANING) （呻吟）
Most of the hunters stop and rest. 大多数猎人停下来休息。
So far, the orphan has managed to keep up. 到目前为止，这个孤儿已经设法跟上了。
It's been a tough trial and she's exhausted. 这是一个艰难的考验，她已经筋疲力尽了。
But the hungry queen pushes on further. Alone. 但是饥饿的女王继续前进。独自一人。
She eventually finds what she's looking for, 她最终找到了她想要的东西，
a small herd of wildebeest. 一小群牛羚。
This time with more vulnerable mothers and calves. 这一次是更脆弱的母牛。
Tired, thirsty, hungry and alone, 又累又渴，又饿又孤独，
her odds of making a kill are next to none. 她杀人的几率几乎为零。
To hunt, hyenas usually rely on teamwork. 鬣狗通常依靠团队合作来打猎。
But the hyena queen has no option. She takes them on singlehanded. 但是鬣狗皇后没有选择。她一个人拿着。
To have any chance, she needs to find a vulnerable target, 为了有机会，她需要找到一个脆弱的目标，
the old, the young, the weak or the injured. 年老的，年轻的，虚弱的或受伤的。
She sets the herd running and looks for any sign of weakness. 她让牛群奔跑，寻找任何软弱的迹象。
But a lone hunter presents no danger to these massive beasts. 但是一个孤独的猎人不会给这些巨大的野兽带来危险。
Now the queen faces another challenge, 现在女王面临另一个挑战，
she must cool down. 她必须冷静下来。
There's not a single tree in sight. 一棵树都看不见了。
With no shade, in the middle of the afternoon 午后没有树荫
the temperature is a baking 110 degrees. 温度是华氏110度。
Salivating and wetting her forelegs helps reduce her body temperature. 流口水和弄湿前腿有助于降低体温。
As the liquid evaporates, blood in the veins just below the skin cools down. 当液体蒸发时，皮肤下方静脉中的血液冷却。
It's an ingenious system of thermoregulation, but a sign of desperation. 这是一个很有创意的系统，但这是一个绝望的信号。
The queen has run all day in the heat without food or water. 女王在炎热的天气里跑了一整天，没有食物和水。
Lowering her temperature could mean the difference between life and death. 降低体温可能意味着生死存亡。
Separated from the rest of the hunting party, 与其他狩猎队分开，
her day has gone from bad to worse. 她的日子每况愈下。
(BIRD CHIRPING) （鸟鸣）
(CHIRPING) （叽叽喳喳）
The hunting party is five miles back. 狩猎队在五英里后。
They've slept through the worst of the heat. 他们在最热的时候睡着了。
Now rested, they turn their attention to finding water. 现在休息了，他们把注意力转向寻找水。
Dotted across the dry plains are tiny circles of green, 干涸的平原上点缀着一圈小小的绿色，
remnants of the last rains. 最后一场雨的残留物。
Waterholes. 水坑。
The orphan is the first to find water and leads the hunters to drink. 孤儿第一个找到水，带领猎人喝水。
It's a precious oasis in an otherwise parched land. 它是干旱土地上珍贵的绿洲。
This is the only water source for miles around, 这是方圆数英里的唯一水源，
and is a magnet for all life. 是一块吸引所有生命的磁石。
The orphan and the hunters may not have found anything to eat, 孤儿和猎人可能找不到吃的东西，
but they've at least found somewhere to drink and keep cool. 但他们至少找到了一个喝的地方，保持凉爽。
It's welcome relief. 这是可喜的解脱。
Even the elusive wildebeest come here to drink. 即使是难以捉摸的牛羚也来这里喝酒。
Drawing the attention of the hunting party. 引起狩猎队的注意。
A brave and thirsty wildebeest tests the waters. 一只勇敢而口渴的角马在试水。
It's understandably nervous. 这是可以理解的紧张。
(YELPS) （尖叫）
But the hyenas seem to barely acknowledge it's presence. 但鬣狗似乎几乎不承认它的存在。
It's still too hot to hunt. 还是太热了。
They'll take their chances after dark. 天黑后他们会冒险的。
In the cool of the night, the queen has regained her strength 在凉爽的夜晚，女王恢复了体力
and travelled back to rejoin the hunting party. 然后回到狩猎队。
More and more wildebeest are gathering at the waterhole. 越来越多的牛羚聚集在水坑里。
But they aren't easy prey. 但它们并不容易被捕食。
The wildebeest have strength in numbers 牛羚在数量上有优势
and a well organized defensive strategy. 以及组织严密的防御策略。
They spread out in a line to avoid becoming surrounded. 他们排成一行以免被包围。
But any stragglers are vulnerable. 但任何掉队的人都是脆弱的。
And the hyenas keep watching, looking for a weak link. 鬣狗一直在观察，寻找薄弱环节。
The clan makes a successful kill. 这个家族杀戮成功。
The queen asserts her dominance 女王宣称自己的统治地位
and has her choice of the meat. 有她自己选择的肉。
She can eat one third of her bodyweight in just one sitting. 她一次就可以吃下体重的三分之一。
Shared between the hunting party, 在狩猎队之间分享，
the entire kill is gone in a matter of minutes. 整个杀戮在几分钟内就消失了。
(SQUEALING) （尖叫声）
Finally, their bellies are full. 最后，他们的肚子饱了。
(HOWLING) （嚎叫）
(CRICKETS CHIRPING) （蟋蟀啁啾）
Fifteen miles to the south, back at the den, 往南15英里，在洞穴后面，
the prince and princess are getting hungrier. 王子和公主越来越饿了。
But there'll be no relief until their mother returns to feed them. 但在他们的母亲回来喂他们之前不会有任何缓解。
In their mother's absence, 在他们母亲不在的时候，
and blissfully unaware of any danger, 幸好没有任何危险，
the cubs are starting to venture further afield. 幼崽们开始冒险到更远的地方。
Exploring their world is a vital part of growing up, 探索他们的世界是成长的重要组成部分，
so there's no rest for the babysitter. 所以保姆没有休息。
Every day left alone, they are becoming bolder. 每一天，他们都变得越来越大胆。
She keeps a watchful eye and makes sure the cubs don't stray too far. 她保持警惕，确保幼崽不会走得太远。
Far to the north, clouds build on the horizon. 在遥远的北方，云层在地平线上堆积。
The hunting party begins its long journey home. 狩猎队开始了漫长的回家之旅。
The queen needs to get back to her cubs. 女王需要回到她的幼崽身边。
But progress is slow. 但进展缓慢。
One of the clan was injured in last night's hunt and will have a tough time 一个部族在昨晚的狩猎中受伤了，将会很艰难
making it back to the den. 回到书房。
These storm clouds hold false promise. 这些乌云是虚假的承诺。
They bring only thunder and lightning. 他们只带来雷电。
But none of the rains that are so desperately needed. 但没有一场雨是如此迫切需要。
With the plains tinder dry, 平原的火光已经干涸，
it's the perfect conditions for a deadly force of nature. 这是一种致命的自然力的完美条件。
(THUNDER ROLLING) （雷声滚滚）
Bushfires. 森林大火。
In a strong wind, flames can sweep across the plains at 50 miles per hour, 在强风中，火焰以每小时50英里的速度横扫平原，
and reach temperatures of nearly 2000 degrees, 温度接近2000度，
consuming everything in their path. 消耗他们路上的一切。
The fires are between the hunters and the den. 火在猎人和洞穴之间。
Cut off, the queen leads her hunting party around the flames. 切断，女王带领她的狩猎队围着火焰。
They'll have to take the long route home, 他们得走很长的路回家，
adding a day to their journey. 为他们的旅程增加了一天。
Bad news for them, but a bonanza for others. 对他们来说是坏消息，但对其他人来说却是个大财源。
Swarms of insects flee the flames, 成群的昆虫逃离火焰，
providing a feast for birdlife. 为鸟类提供盛宴。
Pratincoles have flown 5000 miles, 普拉丁科尔斯已经飞了5000英里，
all the way from Russia, to feed on these plains. 从俄罗斯远道而来，在这些平原上觅食。
They are quick to take advantage of any food they can get. 他们很快就能利用他们能得到的任何食物。
The fires look destructive, 大火看起来很有破坏性，
but they cleanse the grasslands, 但是他们净化了草原，
converting dry vegetation to fertile ash. 把干燥的植被变成肥沃的灰烬。
All the land needs now is rain. 现在土地需要的只是雨水。
Three days after it set off, the hunting party finally returns to the den. 出发三天后，狩猎队终于回到了巢穴。
The pups greet their mother and the hunters. 小狗们向它们的妈妈和猎人们问好。
Each time clan members reunite, they perform rituals, 每次部族成员团聚，他们都会举行仪式，
nuzzling each other's genitals and scent marking. 用鼻子摩擦对方的生殖器和气味。
This strengthens family bonds and reenforces hierarchies. 这加强了家庭纽带，并重新强化了等级制度。
As a low status member of the clan, the babysitter initiates a greeting. 作为家族中地位较低的成员，保姆会主动打招呼。
The orphan has grown up a lot on the hunting trip, 这个孤儿在狩猎旅行中长大了很多，
and is slowly starting to gain the respect of the clan. 慢慢地开始得到家族的尊重。
For the cubs, who survive totally on their mother's milk, 对于完全靠母乳生存的幼崽来说，
the queen has arrived just in time. 女王来得正是时候。
And there is another welcome arrival for the clan. 还有另一个值得欢迎的部族到来。
(THUNDER ROLLING) （雷声滚滚）
After months of drought and struggle, the rains finally arrive. 经过几个月的干旱和挣扎，雨终于来了。
(THUNDER ROLLING) （雷声滚滚）
In just a few hours, over a billion gallons of water flood the land. 在短短几个小时内，超过十亿加仑的水淹没了土地。
In a matter of days, Liuwa transforms from 短短几天，刘娃就从
dry, dusty plains to green grassland. 干燥，多尘的平原到绿色的草原。
Dry waterholes begin to fill, and some areas become a wetland paradise. 干涸的水坑开始填满，一些地区变成了湿地天堂。
All creatures here have been waiting for this moment. 这里所有的生物都在等待这一刻。
From the biggest, 从最大的，
to the smallest. 最小的。
The first drops of rain trigger a remarkable event. 最初的几滴雨引发了一场引人注目的事件。
As the earth softens in the rain, 当大地在雨中软化，
termites emerge in their thousands. 白蚁成千地出现。
Filling the sky in a beautiful but brief breeding display. 天空中充满了美丽但短暂的繁殖展示。
It's the termites' once in a year chance to reproduce. 这是白蚁每年繁殖一次的机会。
Winged queens and males fly out to establish new colonies. 有翅膀的蜂王和雄鸟飞出去建立新的殖民地。
In the air, females release pheromones 在空气中，雌性释放信息素
to attract males from neighboring mounds. 从邻近的土墩吸引雄性。
Pairs mate on the wing, then land to burrow 配对在翅膀上交配，然后降落到地洞里
underground and begin a new colony, 在地下开始新的殖民地，
only a few feet from where they started. 离他们开始的地方只有几英尺远。
It's the first sign on the Liuwa Plains that a new cycle of life has begun. 这是流洼平原上新生命周期开始的第一个迹象。
And the new green grass prompts the long awaited return 绿草等待着新的归来
of the great herds of wildebeest. 一大群牛羚。
The herds know exactly where to go. 牛群知道该去哪里。
Walking for days to arrive just in time 走了好几天才及时赶到
for fresh green shoots to spring from the ground. 让新鲜的嫩芽从地上长出来。
And traveling with them, are their young calves. 和它们一起旅行的是它们的幼崽。
Their arrival in the clan's territory is a turning point for the family. 他们来到氏族的领地对这个家庭来说是一个转折点。
The hyenas are rested, 鬣狗休息了，
and with thousands of wildebeest now on their doorstep, 成千上万的牛羚在他们家门口，
they should have more chance of success. 他们应该有更多的成功机会。
One by one, they test the herd by charging at them. 一个接一个，他们用冲锋的方式测试牛群。
Hyenas are slower than wildebeest over short distances, 鬣狗在短距离内比牛羚慢，
but they are patient, cunning hunters. 但他们是有耐心，狡猾的猎人。
They appear to give up the chase, 他们似乎放弃了追逐，
but this is a deliberate ploy. 但这是一个深思熟虑的策略。
They watch the fleeing animals closely, 他们密切注视着逃跑的动物，
looking for any sign of weakness. 寻找任何软弱的迹象。
The commotion of the hunt draws the attention of other opportunists, 打猎的骚动引起了其他机会主义者的注意，
lappet faced vultures. 小秃鹫。
They can zero in on a potential meal from 20 miles away. 他们可以从20英里以外的地方集中精力吃一顿饭。
The clan sets the wildebeest and zebra running again and again. 氏族让牛羚和斑马一次又一次地奔跑。
It's a strategy of observation and persistence. 这是一种观察和坚持的策略。
Success at last. 终于成功了。
The vultures know exactly when a kill takes place 秃鹫知道什么时候杀人
and gather on the sidelines, waiting for an opportunity 聚集在一旁，等待机会
to steal a share of the spoils. 偷一份战利品。
It's a welcome meal for the queen and her hunters. 这是女王和她的猎人们的欢迎餐。
There's plenty to go round, 有很多事情要做，
but they still have to fend off the vultures. 但他们还是要抵挡秃鹫。
When it comes to eating, 说到吃饭，
the clan, like all hyenas, are perfectly adapted carnivores. 与所有鬣狗一样，这个氏族是完全适应的食肉动物。
They have an extraordinary anatomy and physiology. 它们有着非凡的解剖学和生理学。
With thick jawbones and powerfully developed muscles, 有着厚厚的颌骨和发达的肌肉，
their bite force is immense, 它们的咬合力是巨大的，
one of the strongest in the animal kingdom. 动物界最强大的动物之一。
Their teeth are specially designed to grind down even the toughest bone. 它们的牙齿是特别设计用来磨碎最坚硬的骨头的。
And they eat the entire carcass, 它们吃掉整个尸体，
only hair and horns remain. 只剩下头发和角了。
Their digestive system has strong acids to dissolve bone, 它们的消化系统有很强的酸溶解骨头，
using up every part of the kill. 用尽了杀戮的每一部分。
Stomachs finally full, 肚子终于饱了，
they lie down, allowing their gut to get to work. 他们躺下，让他们的肠子开始工作。
This efficient eating is what's enabled them to survive on little food 这种高效的饮食使他们能够靠很少的食物生存
during one of the toughest droughts on record. 在有史以来最严重的旱灾中。
It's the key to their success, and what's made 这是他们成功的关键
hyenas one of Africa's most abundant carnivores. 鬣狗是非洲最丰富的食肉动物之一。
The orphan has had her fill. 那个孤儿吃饱了。
Against the odds, without a mother to feed her, 在没有母亲喂养的情况下，
she has established herself. 她已经站稳了脚跟。
A huge achievement for a hyena just over a year old. 对一只一岁多的鬣狗来说，这是一个巨大的成就。
She's now proven herself to be a valuable member of the clan 她现在已经证明了自己是家族中有价值的一员
and is growing in confidence. 信心也在增长。
She's no longer at the bottom of the pile. 她不再是最底层了。
The prince and princess are growing up fast. 王子和公主成长得很快。
They're digging themselves a new burrow at the back of the den. 他们在书房后面给自己挖了个新洞。
An expansion is needed 需要扩大规模
to make space for the newest member of the family. 为新成员腾出空间。
One of the other females has given birth 另外一个女人生了孩子
and is introducing her two-week-old cub to the clan. 把她两周大的幼崽介绍给家族。
Together, the hyenas have got through the toughest of droughts. 鬣狗一起度过了最艰难的干旱。
And the family is growing. 家庭也在成长。
With wildebeest streaming down from the north, 牛羚从北方流下来，
there are good times ahead for these survivors of the plains. 对于这些平原上的幸存者来说，前方是美好的时光。