Both common species of chipmunks have short legs with nimble hands used to grasp and climb, short tails, and expandable cheek pouches used to store food while scavenging. Eastern chipmunks have reddish-brown fur with dark and light stripes on their faces, backs, and tails. Least chipmunks display grayish coats with dark, tawny stripes.
More information about what chipmunks look like.