Ground squirrels are normally active by day and sleep at night.

地松鼠一般白天活跃晚上睡觉。

《柯林斯英汉双解大词典》

They are large ground squirrels, about the size of an average house cat.

它们是大型的地松鼠，大约是一只普通家猫的大小。

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Alternatively, small mammals such as mice and ground squirrels are important in the diet of many waterfowl-nest predators and can themselves be important predators of songbird nets.

另外，小型哺乳动物，如老鼠和地松鼠是许多水禽捕食者的重要食物，它们自己也可能是鸣禽网的重要捕食者。

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Ground squirrels scampered under the boardwalk part of the path, and our dog, Tigra strained at the leash.

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For most of the daylight hours, the wildlife of the place coyotes, ground squirrels, lizards, road-runners seek rare, small spots of shade.

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Arctic ground squirrels survive body temperatures as low as 27 degrees Fahrenheit without freezing, during their long hibernation in the permafrost.

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