這是出土的最慘烈的大屠殺之一,一種頂級掠食者,一次恐慌奔逃,加上一次自然災(zāi)難的聚集。
Step by step, science expands the evidence to unravel the Arctic dinosaur mystery.
科學(xué)抽絲剝繭般地拓展證據(jù)揭開北極恐龍之迷。
They were the Earth's largest animals.
它們曾是地球上最大的動物。
New technology and forensic evidence helps paleontologists bring to life some of their final moments.
新的科技和現(xiàn)場證據(jù)如今幫助古生物學(xué)家們重現(xiàn)了它們生命中的最后時刻。
It happened about 70 million years ago.
故事發(fā)生在大約七千萬年前。
At the top of the world, the first ice caps formed, reaching down to what is now modern day Canada.
在世界的頂端,第一次形成了冰帽,延伸到了今天的加拿大。
South of the Arctic Circle, the land was inhabited by dinosaurs.
在北極圈以南,陸地上居住著恐龍。
Winter cloaked the terrain in total darkness.
寒冬讓大地籠罩在一片漆黑之下。
Snow and ice forced dinosaurs to migrate into modern-day Canada to escape the harsh conditions.
冰雪迫使恐龍遷徙到了如今的加拿大,來躲避如此嚴(yán)酷的條件。
As they headed south, they were chased by two killers.
隨著它們南下,兩個殺手循蹤而來。
One, a predator. The other, the disintegration of the Arctic world.
其一,是個掠食者。另一個,則是北極世界的瓦解。
In the summer of 1986, in Pipestone Creek, in Northwest Alberta, Canada, A team of paleontologists on a routine dig made a startling discovery:
1986年夏天,在加拿大阿爾伯塔西北的派泊斯通溪,一隊古生物學(xué)家在例行挖掘中有了驚人的發(fā)現(xiàn):
The remains of an entire herd of dinosaurs, over three and a half thousand of bones, with up to 100 bones packed in per square meter, including 14 skulls in total.
一整群恐龍的遺骸,三千五百多塊骨頭,平均每平方米有一百多塊骨頭,總共有十四個顱骨。
It's one of the most spectacular dinosaur finds in history.
這是史上最壯觀的恐龍發(fā)現(xiàn)之一。
They quickly identify the dinosaurs as Pachyrhinosaurus - heavily skulled predecessors of Triceratops.
他們很快鑒別出這些恐龍是腫鼻角龍,是三角龍的祖先,其頭骨厚重。
A typical adult measured about 7 meters long, stood about 2 meters tall and weighed as much as 4 tons.
典型的成年腫鼻角龍長約七米,站立時有兩米高,重可達(dá)四噸。
This thing is built like a truck, but a truck with a big spike sticking out of the end of it.
這家伙就像是卡車一樣,不過這輛卡車尾部還支出一個大的尖刺。
So if you were unfortunate enough to be in front of a charging Pachyrhinosaurus, it would be like standing in front of a truck that's coming at you at 25 miles an hour.
要是你運氣不好站在猛沖的腫鼻角龍的前方,那就相當(dāng)于站在一輛以時速25英里沖向你的卡車前面。