The prairie vole is one such animal.
草原田鼠就是这样一种动物。
There was less food for birds and also for the prairie dog.
供鸟类以及草原土拨鼠吃的食物也少了。
But winters on the prairie can still get pretty harsh today.
而草原上的冬天现在依旧是很严寒。
To assemble a prairie takes time—even if you have all the pieces.
组装一个大草原需要时间——即使你拥有所有的部件。
Some exhibits have glass viewing areas, like for the prairie dog.
一些展品有玻璃展示区域，例如草原土拨鼠。
For those of you who don't know, prairie dogs are not actually dogs.
你们当中可能有人不知道，草原犬鼠其实不是狗。
A black-tailed prairie dog perks up outside his burrow in South Dakota.
在南达科他州，一只黑尾巴的草原土拨鼠昂首站在他的洞穴外面。
Our own cabins are like little houses on the prairie but with nicer baths.
我们自己的小木屋就像草原上的小房子，但有更好的浴室。
For example, our prairie dog spots a predator, a big coyote approaching rapidly.
比如说，我们的草原犬鼠发现了一个捕食者，一只大土狼正在迅速靠近。
Their study was conducted in the prairie vole, a small rodent that mates for life.
他们的研究对象是草原田鼠，一种终生交配的小型啮齿动物。
"The lesser prairie chicken is in a desperate situation," said USFWS Director Daniel Ashe.
美国鱼类和野生动物管理局局长丹尼尔·阿什说：“小草原松鸡正处在绝境中。”
The grizzly bear was also a creature of the prairie, feeding on buffalo carcasses and calves.
活跃在草原上的还有灰熊，它们以捕食野牛尸体和小牛犊为生。
In an experiment, male prairie voles were given a drug that suppresses the effect of vasopressin.
在一项实验中，雄性草原田鼠服用了一种抑制抗利尿激素作用的药物。
For those unfamiliar with the delightful prairie vole, it is a small rodent found in the grasslands of central North America.
对于那些不熟悉可爱的草原田鼠的人来说，这是一种在北美中部草原上发现的小型啮齿动物。
A hungry prairie dog carried on nibbling his nut as a flock of starlings tried to get his lunch, and he completely ignored them.
当一群椋鸟试图抢走一只饥饿的草原土拨鼠的午餐的时候，这只土拨鼠继续啃咬他的坚果，完全无视它们的存在。
The prairie vole has the needed receptors in its brain for these hormones in the regions responsible for reward and reinforcement.
在草原田鼠的大脑中，负责奖励和强化的区域有这些荷尔蒙的受体。
USFWS also set an interim goal of restoring prairie chicken populations to an annual average of 67,000 birds over the next 10 years.
美国鱼类及野生动物管理局还设定了一个临时目标，即在未来10年内将草原榛鸡的数量恢复到年均6.7万只的水平。
A single spark can start a prairie fire.
星星之火，可以燎原。
The biggest obstacle is the ranchers themselves, whose cattle compete with prairie dogs and bison for grass and space.
最大的障碍是牧场主自己，他们的牛与土拨鼠和野牛争夺草地和空间。
In this study, the researchers looked at the high-pitched barks a prairie dog makes when it spots predator.
在这项研究中，研究人员观察了土拨鼠发现捕食者时发出的高音吠叫声。
As Mr. Flanagan leaves the glaring sun of the prairie and enters the shady grove, his eyes search for specific tree.
当弗拉纳根先生从牧场上耀眼的阳光处走进绿树成荫的小树林时，他的眼睛搜寻着特定的一棵树。
A cowboy fell off his horse and broke his leg on the prairie.
一个牛仔在大草原上从马背上摔了下来，摔断了腿。
Humans are not prairie voles. We are not guinea pigs or mice.
我们不是田鼠，不是豚鼠，也不是家鼠。
To assemble a prairie takes time — even if you have all the pieces.
整合一个大草原需要时间——哪怕你手中已掌握了所有分块。
The single spark that started the prairie fire suggests the answer.
引发燎原之火的火花暗示了答案。
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