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Name: Robert
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When chipmunks move into a new area do they crowd out the native population of ground squirrels ?

The habitat requirements of chipmunks and ground squirrels in Illinois, and I believe all of the eastern U.S., are quite different, so normally they would not be in competition. Chipmunks live in deciduous forests and woodlands or other areas with dense underbrush. Ground squirrels live in grassy areas, the common 13 lined ground squirrel likes short grass and weedy areas like lawns and roadsides; the much rarer Franklin's ground squirrel's habitat is natural prairie.

J. Elliott

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