可以想象，如果猎豹还在的话，叉角羚会继续进化，也许会跑得更快。
It is conceivable that the pronghorn antelope would have continued to evolve, get faster maybe, if the cheetahs were still around.
驼鹿、鹿和叉角羚们已在草原上漫步，游客们可以在草原上野营、远足和骑车。
Herds of elk, deer, and pronghorn antelope roam the grasslands, where visitors can camp, hike, and bike.
对叉角羚来说，蒸蒸日上的发展正在导致一场危机，那可能会堵塞它们的通道。
Increasing development is leading toward a crisis for the pronghorn, threatening to choke off their passageway.
叉角羚与羚羊虽无亲缘关系，但却形似羚羊，它是新大陆速度最快的陆地哺乳动物。
The pronghorn, which resembles an antelope, though they are unrelated, is the fastest land mammal of the New World.
国家森林已经确认叉角羚的活动路径是一个受保护的迁徙走廊，许多叉角羚都会经过这里。
The National Forest has recognised the path of the pronghorn, much of which passes across its land, as a protected migration corridor.
当美洲猎豹消失后，它们对叉角羚进化的影响就停止了，对其他猎物的影响应该也停止了。
When the American cheetahs disappeared, their influence on the evolution of pronghorn and presumably on other prey animals stopped.
从理论上讲，把非洲猎豹引进美国西部，可以让叉角羚重新回到生物学家所说的自然进化轨道上。
Importing African cheetahs to the western United States could, in theory, put the pronghorn back onto its natural evolutionary trajectory according to these biologists.
叉角羚依靠远距离视觉和速度来躲避捕食者，它们在开阔的高地上穿行，在那里它们能看见东西并追逐它们。
Pronghorn, dependent on distance vision and speed to keep safe from predators, traverse high, open shoulders of land, where they can see and run.
黄石公园的草地上最常见的叉角羚。
叉角羚不仅跑得快，而且跑得远。
Besides traveling fast, though, the pronghorn also travels far.
美洲羚羊，或称叉角羚，是该大陆典型的草原动物。
Typical of the grassland dwellers of the continent is the American antelope, or pronghorn.
美洲羚羊，或称叉角羚，是该大陆的典型的草原动物。
The american antelope or prong horn is typical of the grassland dwellers of the continent.
美洲羚羊，或称叉角羚，是该大陆典型的草原动物。典型。
Typical of grassland dwells of the continent is the American antelope, or pronghorn.
多分布于非洲，其余（除北美叉角羚外）分布于欧亚大陆。
Most antelope are African; the others, except for the pronghorn , are EurAsian.
猎豹一旦消失，叉角羚在今日环境就显得英雄无用武之地了。
In the absence of the cheetah, the pronghorn appears "overbuilt" for its environment today.
猎豹一旦消失，叉角羚在今日环境就显得英雄无用武之地了。
In the absence of cheetah, the pronghorn appears "overbuilt" for its environment today.
在这片陆地上生存的的典型的草原动物是美国羚羊，又称叉角羚。
Typical of the grassland dwellers of the continent is the American antelope, or pronghorn.
在南达科他州广阔的草原上，紫花金光菊是野牛与叉角羚额外的食物。
Purple coneflowers add to the diet of bison and pronghorns that graze South Dakota's sprawling grasslands.
现在，驼鹿、鹿和叉角羚们已在草原上漫步，游客们可以在草原上野营、远足和骑车。
Already, herds of elk, deer, and pronghorn antelope roam the grasslands, where visitors can camp, hike, and bike.
叉角羚跑的快——每小时60英里（约97公里）以上——但是它们很少跳栅栏。
Pronghorn run fast—upwards of 60 miles an hour—but they rarely jump fences.
塞德勒解释说，叉角羚依赖远距视力和躲避捕食者的速度，不喜欢柳树成荫的洼地。
Pronghorn, dependent on distance vision and speed to keep safe from predators, do not like willowy bottomlands, Seidler explained.
乔纳气田这样的天然气钻探项目妨碍了叉角羚的迁徙，一些地方的新住房把叉角羚走廊缩小到不足几百米宽。
Gas drilling projects, such as Jonah Field, impede pronghorn migration, and new homes restrict corridors to no more than a few hundred yards wide in places.
“漏斗”这里像在“捕捉器点”一样，人类活动的增加正在积累大提顿叉角羚的危机——将要切断它们的通道。
As at Trappers Point so here at the Funnel; incremental human activities are accumulating toward a crisis for Grand Teton's pronghorn-threatening to choke off their passageway.
一些牧场主计划提高最低栅栏索，以便在冬季迁徙期间，如亚伯达梅蒂逊哈市附近的这些叉角羚能更容易从下面溜过去。
Some ranchers plan to raise the lowest fence strands so pronghorn, like these near Medicine Hat, Alberta, can more easily slip under during their winter migration.
大提顿公园的叉角羚更值得注意，是因为它们的迁徙路线一成不变，并受到三个关键地点(“捕捉器地点”、“红山”和“漏斗”)的严重威胁。
The Grand Teton pronghorn are notable for the invariance of their migration path and the severity of its constriction at three critical spots, known as Trappers Point, the Red Hills, and the Funnel.
大提顿公园的叉角羚更值得注意，是因为它们的迁徙路线一成不变，并受到三个关键地点(“捕捉器地点”、“红山”和“漏斗”)的严重威胁。
The Grand Teton pronghorn are notable for the invariance of their migration path and the severity of its constriction at three critical spots, known as Trappers Point, the Red Hills, and the Funnel.
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