Types of Chipmunks in North Dakota

North Dakota is home to only one chipmunk species: the eastern chipmunk (Tamias striatus). It’s the striped, bushy-tailed rodent you’ll see scurrying across forest edges and rocky outcrops across the eastern half of the state. If you’re looking to identify one, start with its five dark back stripes and cheek pouches.

More Pages

More chipmunk pages for North Dakota

Start with the main page, then browse a few nearby follow-up pages in the same route cluster.

North Dakota is home to only one chipmunk species: the eastern chipmunk (Tamias striatus). It’s the striped, bushy-tailed rodent you’ll see scurrying across forest edges and rocky outcrops across the eastern half of the state. If you’re looking to identify one, start with its five dark back stripes and cheek pouches.

1. What Is the Most Common Chipmunk in North Dakota?

The **eastern chipmunk** is the sole chipmunk species confirmed in North Dakota. Unlike western states with multiple species, North Dakota’s chipmunks are all the same type. They are most often seen in the eastern counties, especially around the Turtle Mountains and Pembina Gorge. Their range extends west roughly to the Missouri River, but sightings become rare beyond that.

2. How Can You Tell a Chipmunk from Other Small Rodents in North Dakota?

Eastern chipmunks are easy to separate from ground squirrels and thirteen-lined ground squirrels. Look for **five dark stripes** running down the back (the center stripe extends to the tail base) with **two white stripes** between them. Chipmunks also have a **s lighter, more upright posture** and carry their tails straight up when running. Their cheek pouches are huge and often stuffed with seeds.

3. Where Are Chipmunks Most Likely to Be Seen in North Dakota?

Your best odds are in **deciduous woodlands with plenty of downed logs and rock piles**. Try the **Turtle Mountain State Forest**, **Pembina Gorge State Recreation Area**, and wooded coulees along the Souris River. They avoid open prairie. Also check brushy edges near farmsteads and rural cemeteries. For more on North Dakota’s chipmunk habitat, see our guide to/wildlife/north-dakota/chipmunk/types.

4. When Is the Best Time of Year to Spot Chipmunks?

Chipmunks are active from **mid-March through October** in North Dakota. They hibernate in winter, so your window is spring through fall. **Early morning (6:00–9:00 AM)** and **late afternoon (4:00–7:00 PM)** are peak activity times, especially on warm, sunny days. During hot afternoons they retreat to burrows. For a broader look at wildlife timing, visit the/wildlife/north-dakotahub.

See ourstate animal guidefor the next step.

5. What Field Marks Should You Look For?

Focus on the **head stripes**: a light stripe above and below each eye. The back has **five dark stripes** (three narrow, two wider) separated by **four light stripes**. The face is tawny with a white belly. They measure about 8–10 inches total length, with a 3–4 inch tail. Their **distinctive chipping call** is a high-pitched *chip-chip-chip* repeated rapidly. To see more chipmunk photos and compare with related species, check out our/animals/chipmunkpage.

6. How Do Chipmunks Behave in North Dakota’s Climate?

Eastern chipmunks are **solitary hoarders**. They gather acorns, seeds, and berries into underground larders to survive the long winter. You’ll see them stuffing cheek pouches with sunflower seeds at bird feeders. They are quick and nervous, rarely straying far from cover. Unlike ground squirrels, chipmunks don’t form colonies; each one defends its own burrow entrance, often hidden under a log or rock.