The eastern chipmunk is really a rodent by definition, which resembles a squirrel that inhabits eastern North America.  The chipmunk is classed as a mammal - Order:  Rodent  Family:  Sciurid   Genus:  Tamias  Species:  T. striatus. 
The eastern chipmunk is a beautifully marked animal with reddish tinged brown fur highlighted by a series of dark brown stripes [...]