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Living as a hunter was not easy.
作為一個獵手并不容易。
The irony for many predators is they're very concerned about injuring themselves.
對許多捕食者來說最諷刺的是怕在捕獵時傷到自己。
Even the toughest, most well-armed meat eaters regularly come face-to-face with prey that can kill them.
即使最兇狠的，裝備最精良的肉食者也會經(jīng)常碰到能于它們抗衡的獵物。
Whether you have the jaws of Tyrannosaurus Rex or are armed to the teeth like a raptor,
無論你有雷克斯霸王龍一般強悍的雙顎，還是有猛禽一樣鋒利的牙齒，
every hunt might just be your last.
每次捕獵都可能是最后一次。
The thing about predation is it's very dangerous, both for the prey and for the predator.
捕獵的過程非常危險，對于獵物和捕獵者都如此。
There are many specimens that had puncture wounds and open sores when they died.
許多標(biāo)本上都有臨死時被刺穿的或撕裂的傷口。
An injury, even a minor one, can stop a predator from hunting,
哪怕受到極小的一個傷都會影響捕獵，
a virtual guarantee of death by starvation.
隨之而來的必然是饑餓致死。
The life of the carnivore was so hard.
食肉動物的一生如此艱辛。
They were beat up. They were all beat to hell before they became a fossil.
它們搏斗得很慘。在成為化石之前它們往往死得非常慘。
It's not like Africa or Asia today, where you have lots of smaller animals
不像現(xiàn)在的亞洲或非洲，有很多小型動物，
and there's one or two big things like elephants or rhinos.
只有一兩種像大象或犀牛這樣的大型動物。
We're talking about an entire landscape that's filled with herds of multi-ton herbivores.
我們所說的是整個地球都遍布身重數(shù)噸的食肉動物的時期。
For carnivores today, just as during the Cretaceous, staying alive is no mean feat.
對于今天的食肉動物來說，與白堊紀(jì)時期一樣，生存是一大考驗。
If we look at lives of living predators today, they're pretty short lives.
如果我們來看，現(xiàn)在的食肉動物它們壽命都非常短。
Each individual life does not span its potential.
每一個生命都逃不出命運的掌控。
Whenever they become older and weaker, they're more susceptible to injury,
一旦它們年老體弱就非常易受傷害，
and every time you hunt, you're putting your life on the line.
每次獵食都是對生命的考驗。
In the world of dinosaurs, predators stop at nothing to survive.
在恐龍的世界里，捕食者要使盡渾身解數(shù)求得生存。
They use every tool in their arsenal, brains, eagle eyes, stealth flight, superhearing,
它們利用自身的所有優(yōu)勢，智慧的大腦，敏銳的雙眼，詭秘的飛行，超強的聽力
and an advanced sense of smell.
以及靈敏的嗅覺。
But in the end, those who live by the claw sometimes die by the claw.
但到最后，這些靠利爪生存的動物有時也會死在利爪之下。
