Spotted Ground Squirrel
Mammals Active during the day

Spotted Ground Squirrel

Xerospermophilus spilosoma

Discover the 'phantom' of the grasslands—the Spotted Ground Squirrel. One of North America's smallest and most elusive rodents, these desert-dwellers are masters of camouflage and underground engineering.

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Quick Identification

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Size

Length: 18–25 cm (7–10 in); Weight: 100–200 g (3.5–7 oz)

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Colors

Sandy brown to cinnamon-gray upperparts covered in distinct white or buff-colored spots; creamy white belly and throat

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Key Features

  • Distinctive white spots scattered across a brownish back
  • Small, slender build with a short, hairy tail
  • Short, rounded ears that barely protrude from the head
  • Lacks the long stripes found on chipmunks or thirteen-lined ground squirrels
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When You’ll See Them

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Activity pattern Active during the day
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Peak hours 8 AM - 11 AM and 3 PM - 6 PM
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Season April-September
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Diet Primarily herbivorous, focusing on seeds, grains, and green vegetation, but they frequently supplement their diet with insects like grasshoppers, beetles, and caterpillars.
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Habitat Open grasslands, arid shrublands, and desert plains with sandy or well-drained soils suitable for burrowing.

public Geographic range

Where Does the Spotted Ground Squirrel Live?

Native to the North American continent, the Spotted Ground Squirrel occupies a vast swath of the central and western United States and much of central Mexico. Its core range extends from the high plains of South Dakota and Nebraska southward through the Chihuahuan and Sonoran Deserts. These hardy rodents are most frequently encountered in the arid landscapes of Texas, New Mexico, and Arizona, reaching as far south as the Mexican states of Zacatecas and Puebla.

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2 Countries
2.5M km² Range
Least Concern Conservation
US United States MX Mexico
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iNaturalist / Verified observation data
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Behavior

Spotted Ground Squirrels are elusive, shy rodents that spend a significant portion of their lives underground. Unlike many of their more social relatives, they tend to be somewhat solitary, though several individuals may establish burrows in the same general area if the soil and food sources are ideal. They are strictly diurnal, meaning they are active during the day, typically emerging from their burrows shortly after sunrise to forage and bask in the sun.

These squirrels are expert excavators, creating complex burrow systems with multiple entrances, often cleverly hidden under the shade of a desert shrub or near rocky outcrops. When they sense danger, they emit a high-pitched, whistled alarm call to warn others before quickly vanishing into the safety of their tunnels. Because they inhabit arid regions, they have adapted to survive long periods without standing water, obtaining most of their hydration from the plants they eat.

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Camera Tips

To capture these shy squirrels on camera, placement is everything. Position your camera very low to the ground—no more than 6 to 10 inches high. Aim the lens toward the edge of a shrub or a patch of bare, sandy soil where you have spotted burrow openings or small tracks. Because they are small and move with sudden, darting motions, use a fast trigger speed (under 0.5 seconds) and set your camera to 'Burst Mode' or short 10-second video clips to ensure you catch them before they move out of frame.

While they don't typically visit traditional bird feeders, you can entice them into your camera's field of view by scattering a small amount of native grass seeds, cracked corn, or unsalted sunflower seeds near a known burrow entrance. Avoid placing the bait in the middle of a wide-open space; these squirrels feel vulnerable to hawks and other predators and prefer to stay near the safety of vegetation or their holes. A little bit of cover like a flat rock or a log near the bait can make them feel secure enough to linger for a photo.

Since Spotted Ground Squirrels are most active during the warmest parts of the day in spring and summer, ensure your camera isn't facing directly into the sun to prevent washed-out images or 'false triggers' caused by moving heat waves. Early morning and late afternoon provide the best natural lighting to highlight their unique spotted patterns. Keep in mind that they hibernate from late autumn through early spring, so focus your monitoring efforts during the warmer months when they are actively gathering food for the winter.

Frequently Asked Questions

Spotted Ground Squirrels are diurnal, meaning they are active during daylight hours. They usually emerge shortly after sunrise and are most active in the mid-morning and late afternoon, often retreating to their burrows during the hottest part of the midday sun.
If you live in their native range, you can attract them by maintaining natural, sandy soil patches and planting native grasses. Providing a small amount of scattered seeds or grains near shrubbery can also encourage them to visit, though they are generally more elusive than tree squirrels.
Their diet is diverse, consisting mostly of seeds, green leaves, and grasses. However, they are also opportunistic predators of insects, particularly grasshoppers and beetles, which provide essential protein.
They are less common in dense suburban areas than other squirrels. They prefer open, arid spaces with soft soil for burrowing. However, they can be found in larger desert gardens, golf courses, or properties on the edge of wild grasslands.
The easiest way is to look at the pattern on their back. The Spotted Ground Squirrel has distinct, somewhat square-shaped white spots scattered across its back, whereas the Thirteen-lined Ground Squirrel has very clear, alternating longitudinal stripes and rows of spots.

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