你们当中可能有人不知道，草原犬鼠其实不是狗。
For those of you who don't know, prairie dogs are not actually dogs.
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。
For example, our prairie dog spots a predator, a big coyote approaching rapidly.
一只草原犬鼠会发出表示“草原狼”和“大只”的信号，而还有另一个信号表示其靠近速度有多快。
The prairie dog makes a call that means "coyote", then one that means "large", and then another one to indicate its speed.
金花鼠和草原犬鼠都属于松鼠类动物。
草原犬鼠和许多地松鼠不一样，群居在西部大草原的大地洞中。
Prairie dogs, unlike many ground squirrels, live together in big burrows on the western prairies.
草原犬鼠和许多地松鼠不一样，群居在西部大草原的大地洞中。
Prairie dogs, unlike many ground squirrels, live together in big burrows on the western prairies.
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