prairie dog 
noun
A gregarious ground squirrel that lives in interconnected burrows which may cover many hectares, native to the grasslands of North America.
- Genus Cynomys, family Sciuridae: several species.
- The ferret's survival has forever been entwined with that of the prairie dog, a foot-tall rodent that makes up about 90 percent of the predator's diet.
- Many species depend on the prairie dog for food or habitat, such as the swift fox, burrowing owl, and ferruginous hawk.
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- physionotrace
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