Mammals diurnal

Common Golden-mantled Ground Squirrel

Callospermophilus lateralis

Often mistaken for an oversized chipmunk, this golden-headed mountain resident is a favorite of hikers and backyard observers alike. Watch for its signature 'sentinel' pose as it guards its territory and prepares its winter stores.

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Quick Identification

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Size

Total length: 9–12 inches (23–30 cm); Weight: 6–14 oz (170–400 g)

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Colors

Coppery-red or golden-brown head and shoulders; body features a prominent white stripe bordered by two black stripes on each side; grayish-white underbelly; no stripes on the face.

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Key Features

Golden-red head and shoulders without markings
Single white stripe on each side bordered by two black bands
Lack of facial stripes (distinguishes from chipmunks)
Stocky, ground-dwelling build with a bushy tail

When You’ll See Them

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Activity pattern diurnal

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Peak hours 8:00 AM – 11:00 AM and 3:00 PM – 6:00 PM

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Season April–September (Hibernates in winter)

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Diet Omnivorous with a focus on seeds, nuts, and acorns. They also consume fungi (truffles), green vegetation, berries, insects, and occasionally bird eggs or small lizards.

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Habitat Coniferous forests, subalpine meadows, and rocky slopes; frequently found in suburban edges near mountain ranges.

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Behavior

Common Golden-mantled Ground Squirrels are energetic, diurnal mammals often seen scurrying across rocky terrain or forest floors. Unlike many of their social ground squirrel cousins, they are somewhat more solitary, though they frequently live in high densities where food is plentiful. They are exceptionally bold around humans, particularly in parks and campgrounds, where they have earned a reputation for being curious and opportunistic foragers.

A significant portion of their life is spent underground. These squirrels are true hibernators, retreating to complex burrow systems as early as late summer or early autumn to sleep through the winter. During their active months, they are highly industrious, spending most of their time foraging and using their expansive cheek pouches to carry seeds back to their 'larder'—an underground storage chamber that helps them survive periodic wake-ups during the winter months.

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Camera Tips

To capture the best footage of a Common Golden-mantled Ground Squirrel, camera placement is everything. These animals are low to the ground, so avoid mounting your camera on a tree at eye-level for a human. Instead, place the camera just 6 to 10 inches off the ground, ideally mounted on a small stake or a rock. Aim your lens toward a 'sentinel point'—usually a flat-topped rock, a fallen log, or a stump—where the squirrel is likely to pause and stand on its hind legs to survey the area for predators like hawks or coyotes.

Because these squirrels are incredibly fast and move with jerky, erratic motions, set your camera to its fastest possible trigger speed (0.2s to 0.5s is ideal). If your camera supports it, recording in 60 frames per second (fps) will allow you to slow down the footage later and see the fascinating way they use their paws to manipulate food or groom their golden fur. Since they are strictly diurnal, you can save significant battery life by setting your camera's operating hours to only record between sunrise and sunset.

If you are struggling to get them to stop in front of the lens, a small lure can work wonders. Place a handful of native sunflower seeds or cracked corn directly in front of the camera. The squirrels will often stuff their cheek pouches to the limit, which makes for highly entertaining photos and videos. Be sure to clear away any tall grass or swaying weeds directly in front of the PIR sensor, as these squirrels are small enough that moving vegetation can cause hundreds of false triggers on windy days.

Similar Species

Species that look similar or are commonly confused with Common Golden-mantled Ground Squirrel.

Yellow-pine Chipmunk

Much smaller with distinct black and white stripes across the face and eyes.

Cascade Golden-mantled Ground Squirrel

Extremely similar but found specifically in the Cascade Range; it typically has a duller, more ochre-colored head.

California Ground Squirrel

Larger and lacks the distinct side stripes; features a mottled 'flecked' fur pattern and a darker 'mantle' over the shoulders.

Frequently Asked Questions

They are strictly diurnal, meaning they are active during the day. You are most likely to see them during the mid-morning and late afternoon when temperatures are moderate. They retreat to their burrows during the hottest part of the day and remain underground throughout the night.

They are attracted to yards with rock piles, stone walls, or fallen logs which provide cover. Planting native seed-bearing shrubs and providing a clean water source or a small amount of sunflower seeds can encourage them to visit your camera station.

Their diet is diverse, consisting mostly of seeds, nuts, and underground fungi. They also enjoy berries, green plants, and the occasional insect. They are famous for their cheek pouches, which they use to transport large quantities of food to their winter burrows.

Yes, particularly in the western United States and Canada in towns located near mountain ranges or coniferous forests. They easily adapt to suburban gardens that offer plenty of cover and food sources.

The easiest way to tell them apart is to look at the face. Chipmunks have stripes running through their eyes and across their cheeks, whereas the Common Golden-mantled Ground Squirrel has a solid coppery-gold head with no facial stripes at all.

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