A chipmunk, a ground squirrel belonging to the genus Tamias.

Chipmunk

A chipmunk, a ground squirrel belonging to the genus Tamias.

<i>Spermophilus tridecemlineatus</i>. Illustration of the most common of the <i>Spermophilinae</i>. "...having a number (six or eight) of longitudinal stripes, with five or seven rows of spots between them, likened by that patriot to the 'stars and stripes'. It inhabits the prairies of the United States at large, and extends northward into British America." &mdash;Whitney, 1889

Thirteen-Lined Spermophile, Also Called a Federation Squirrel

Spermophilus tridecemlineatus. Illustration of the most common of the Spermophilinae. "...having a number…