Chestnut, yellowish grey to light grey, lighter below. Stripes on face . Dark stripe down the middle of the back to the tail. Additionally, they eat stems, leaves, fruit, and buds. They can climb, but usually stay close to the ground.
Hibernation occurs in the winter.
Solid golden brown, lighter below. No stripes . Often mistaken for prairie dogs, these squirrels are smaller and more abundant at the Monument. These animals eat green vegetation and sometimes carrion. They have an extensive burrows for shelter and food storage.