Mountain pocket gophers, as others in the genus Thomomys, have small ears, eyes, and fur-lined cheek pouches.

Mountain gophers tend to spend a majority of their time underground and are mostly active at night.

[5] When there are thick sheets of snow, mountain gophers will push cylinders of dirt from their burrows outward, leaving several above ground.

[7] Mountain pocket gophers will consume the roots and bulbs of these plants underground and store them in their tunnels.

[5] Typically the mountain pocket gopher mates during late spring and summer from May to July.