- Size up to 4 oz, a small squirrel.
- Seed-eater, dental formula 1-0-2-3/1-0-1-3.
- Diet includes nuts, seeds, insects, fruit, and mushrooms.
- Large cheek pouches used for gathering and carrying food that is stored in underground den.
- Chipmunks run with tail straight in the air and usually are on the ground but can climb easily.
- In or near wooded areas, as at Pt. Defiance.