First, he explains why antelope and pronghorns look very similar.

首先，他解释了为什么羚羊和叉角羚看起来非常相似。

The pronghorn lived alongside other grazers still around today, including bison.

叉角羚曾经与像今日仍旧存活的野牛那样的其他食草动物共伴而生。

So why do pronghorn feel this need for speed?

为什么叉角羚需要这样的速度呢？

The species at risk include bighorn sheep, gray wolves, pronghorn antelope and jaguars.

濒危物种包括大角羊、灰狼、叉角羚和美洲虎。

Pronghorn antelopes are unique to North America and among the toughest creatures on the plains.

叉角羚是北美独一无二的一种羚羊，也是平原上的最顽强的物种。

Ever hear of the pronghorn antelope in the American West?

听说过美国西部的叉角羚吗？

And pronghorn would have needed all their amazing speed.

叉角羚以其令人惊叹的速度著称。

Archaeological evidence indicates that pronghorn have been moving through Trapper's Point for at least 6,000 years.

考古证据表明，至少6000年来，叉角羚一直在穿越“诱捕点”。

This was a perfect setting, because we had been studying these pronghorn, these animals on their long-distance migration, for about a decade.

这是绝佳的观察地点，因为我们研究叉角羚长途迁徙已经有近10年时间了。”

These pronghorn antelopes among the great survivors of the ice age reveal a lot about the distant past.

这些叉角羚也是雄奇的冰河期生还者之一，揭示着许多远古的记忆。