The Least Chipmunk, Tamias minimus, is a small squirrel-like rodent. It is smallest North American member of the chipmunk genus, Tamias.
They have three dark lines with white in between along their face and five black stripes with brown edges. They have white in between along their back. They are grey and reddish-brown on the upperparts and grayish white on their under parts. Their tail is orange-brown.
They are found in a variety of habitats, especially mixed deciduous and coniferous forests. They are found in the north central and western United States and from British Columbia. The chipmunk is also found in southern Yukon to western Quebec in Canada.
These animals are active during the day and eat seeds, berries, nuts, fruits and insects. Predators include hawks, owls and mustelids.
They breed in early spring. Females produce one litter usually of 5 or 6 young.
They store food in an underground burrow, where they spend the winter. These animals go into a state of lethargy for extended periods of time, but do not hibernate.