Chimpunk or Ground Squirrel?

This a 13-lined Ground Squirrel. We have gotten several calls lately for chipmunks. How do we know they aren't chipmunks - take a look at his stripes!  Ground Squirrels are smaller than chipmunks and their stripes are different.
Also, in Nebraska we don't have many chipmunks except in a couple areas like along the eastern edge of Nebraska and the western edge of the Panhandle.
Just for fun, if you have seen a wild chipmunk in NE, let us know!
This Ground Squirrel was probably washed out of his den during the latest rains. He's doing well in rehab and will be released later this summer.

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