与恐龙同行（2025）

仅颌部就超过一米长
with jaws over a metre long.
这颗牙齿很不错 还在原位
This tooth is very nice, still here.
它们确实非常结实
Yeah, they're pretty er, robust.
不仅河流危机四伏
If the rivers were dangerous.
这是鲨齿龙的牙齿
Carcharodontosaurus tooth.
陆地上还生活着更为致命的猎手
The land was home to an even more deadly predator.
保存状态非常好
Yes, it's very well preserved,
能看到所有的锯齿状结构
I can see all of the serrations here.
就像一把牛排刀 对吧
Like a steak knife, right?
鲨齿龙堪称非洲版的霸王龙
Carcharodontosaurus was the T Rex of Africa,
站立高度可达3米
three metres tall
长着50多颗善于撕咬肉的锋利牙齿
and armed with more than 50 flesh cutting teeth.
这里曾有好几种肉食性恐龙的体型
Got several T Rex size predatory dinosaurs
可与霸王龙媲美 甚至更加庞大
or even bigger than T Rex,
还有巨鳄 巨型鱼类
big crocs, giant fish.
实在不安全
Not very safe.
是啊
Yeah.
面临的死亡威胁太多了
You know there are really many different ways to die.
这片土地
These lands
曾是地球上大型掠食者
were once home to more large predators
分布最密集的栖息地
than anywhere else in Earth's history.
这群凶残的掠食者伺机而动
A fierce some collection of carnivores
索贝克必须与它们巧妙周♥旋♥
that Sobec must navigate
才能养活家人
if he's to feed his family.
每个角落都暗藏杀机
And there's danger lurking at every turn.
浑浊的水域中
Hidden from view,
潜藏着至少8种凶残的鳄鱼
the murky waters are patrolled by at least eight species
它们行踪难测
of ferocious crocodile.
更令索贝克一家担忧的是
But that's the least of their worries,
它们刚刚闯入了
because the family has just entered the territory
鲨齿龙的领地
of Carcharodontosaurus.
这只可怕的杀戮机器重达6吨♥
This fierce some six tonne killing machine
此刻也在觅食
is also on the hunt for food.
索贝克必须立即把幼崽们带到安全的地方
Time to get the babies to safety.
面对如此多的致命猎手
With so many deadly predators around,
索贝克必须竭尽全力才能安全抵达目的地
it will take everything Sobec's got to reach his destination
避免全家沦为别人的猎物
without his family becoming someone else's meal.
在离发掘现场不远的地方
And not far from the dig site,
有一片高原
on a remote plateau...
团队在那里发现了另一只巨兽留下的痕迹
the team has discovered signs of another monster.
准备好了吗
You good?
好了
Okay.
好 随时可以开始
Good, I'm ready to go whenever you are.
这些证据只有从空中俯瞰才能清晰辨识
Evidence that's best seen from the air.
总共要拍多少张照片
So how many pictures are we taking in total?
大概五 六百张吧
About 500 600.
那我们从那边的山脊开始 然后逐步推进
So if we start down that ridge and then work our way over
把整个区域都拍下来
and do that whole site.
航拍照片揭露了隐藏在地表的秘密
The photographic survey reveals what's hidden here.
这些排列成行的并非普通岩石
Arranged in rows, these aren't just boulders,
而是脚印
they're footprints.
它们是珍贵的恐龙足迹化石
This is the dinosaur trackway.
为了鉴定是哪种恐龙留下的足迹
And to identify which dinosaur made it.
这个太大了
Really big one.
尼扎尔与罗伊·史密斯博士
Nizar and colleague Doctor Roy Smith
展开了详细勘察
take a closer look.
边缘痕迹清晰
You got this edge here and then
另一侧的轮廓也很完整
quite a nice shape around that side as well.
是啊 好极了
Yeah, very nice.
每个足迹都是足部结构的立体铸模
Each footprint is a cast of the foot that made it.
那边是爪子 对吧
So the claw over there right.
没错 我觉得这里还有两处
Yep yep, I think there's two more there.
对
Yeah.
这里是足跟部位
The back of the foot.
对
Yeah.
它们的宽度超过一米
And at over a metre across,
是迄今为止发现的最大脚印之一
they're some of the biggest ever found.
不
No.
真是不可多得
This is really impressive.
这里缺失了一部分 否则会更大
There's a bit missing or it would have been even bigger.
确实是这样
It would have been even bigger.
这种恐龙巨大无比
We've got a giant here.
没错 是啊
Yeah, yeah.
留下这些足迹的
These footprints
乃是地球历史上
were made by one of the largest dinosaurs
体形最庞大的恐龙之一
that's ever lived.
巨龙类
Titanosaur.
这种长颈巨兽站立高度可达14米
Huge long necked dinosaurs, 14 metres high.
体重超过60吨♥
At more than 60 tonnes
相当于一个象群的重量总和
each one weighs as much as a herd of elephants.
对这群恐龙中的一只年迈成员而言
But for one elderly member of the group,
这里成了它的长眠之地
this has become its final resting place.
而这具尸体
And it could provide Sobec
或许能为索贝克饥肠辘辘的幼崽们
with the food he needs
提供急需的食物
for his hungry babies.
伺机夺取这顿免费午餐的不止索贝克一家
But they're not the only ones on the look out for a free lunch.
一只成年鲨齿龙
An adult Carcharodontosaurus
已经抢先一步
has already laid claim to the carcass.
考虑到幼崽的安危
With his babies to look after,
索贝克绝不能负伤
Sobec can't risk injury.
现在它必须权衡
So he must now decide
这具尸体是否值得冒险一战
if it's a prize worth fighting for.
索贝克的体形占据上风
Sobec is bigger,
可鲨齿龙的咬合力极强 能够一击毙命
but one bite from these jaws could be fatal.
索贝克锋利的爪子固然威猛
Sobec's fierce some claws could give him the advantage.
然而鲨齿龙已经演化成
But crucially the Carcharodontosaurus
一台陆上终极猎杀机器
is built for hunting on land.
最终索贝克选择了退让
So Sobec backs down.
索贝克全家今天要挨饿了
His family won't eat today.
不过只要能挺过这段旅程
But if they can survive their journey,
它们会获得丰厚的回报
a much bigger prize awaits.
夜幕降临
As night falls,
尼扎尔团队正在检验一块特殊的化石
Nizar and the team examine an astonishing fossil.
发现这块化石的地方非常狭小
The place where this was found,
我们很难行走
it was so narrow,
只能匍匐前进
you could only just crawl on your belly essentially.
在发掘点附近出土的
Discovered close to the dig site
是一种已灭绝鱼类的遗骸
it's the remains of an extinct species of fish.
这是帆锯鳐的头部化石
This is the head of Onchopristis.
它的颅骨 锯齿状的吻部都保存完好
The brain case, the blade shaped snout, it's all there.
帆锯鳐因其吻部酷似一把锯子
Onchopristis is commonly known as a saw skate,
又被称为"锯鳐"
because of the long snout
吻部长满了能够击晕猎物的倒刺
lined with barbs it used to stun it's prey.
它应该是一种行动迟缓的底栖动物
This would have been a fairly slow bottom dwelling skate like animal.
好
Okay.
真是不可思议
But that's insane.
鉴于棘龙的水栖特性
And with Spinosaurus so at home in water,
尼扎尔提出了一种理论
Nizar has a theory.
帆锯鳐很可能是棘龙的主要食物来源之一
So this would have been one of the primary food sources for Spinosaurus.
难以置信
Incredible.
真的太棒了 哇
God, it's amazing, wow.
帆锯鳐的体长可达4米
Sawskate could grow up to four metres in length.
仅仅一条就够棘龙全家美餐一顿
So a single fish would make a sizeable meal.
科学家认为它们就像现存的鱼一样
But once a year like rays do today,
每年都会聚集在一起繁殖后代
it's thought they gathered to breed,
且数量多达几千只
in their thousands.
这样一场盛宴
Providing an incredible feast
正是索贝克一家期待已久的
that awaits Sobec and his family.
在这片掠食者横行的土地上
But in this predator invested land,
危机随时可能降临
danger can strike at any time.