Mammals Daytime

Red-bellied Squirrel

Sciurus aureogaster

iNaturalist Wikipedia

With its striking chestnut underside and masterful climbing skills, the Red-bellied Squirrel is a vibrant highlight of the backyard canopy. A native of Mexico and Guatemala, this bold acrobat is a delight to watch as it navigates the treetops with ease.

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Quick Identification

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Size

Length 42–55 cm (16.5–21.5 in); Weight 500–750 g (1.1–1.6 lbs)

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Colors

Dorsal fur is typically light to dark gray; ventral side (belly) ranges from bright orange to deep chestnut. Melanistic (all black) individuals are common in some populations.

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Key Features

Vibrant orange or red-brown underparts
Large, bushy tail often frosted with white-tipped hairs
Stocky body significantly larger than a common tree squirrel
Distinctive gray 'saddle' across the back

When You’ll See Them

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Activity pattern Active during the day

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Peak hours 7:00 AM – 10:30 AM and 3:30 PM – 6:00 PM

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Season Year-round, with peak visibility during the fall harvest

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Diet An opportunistic feeder primarily consuming acorns, pine nuts, walnuts, and various tropical fruits. They also supplement their diet with tree bark, fungi, and occasionally bird eggs or insects.

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Habitat Native to tropical and temperate broadleaf forests; also found in suburban parks, orchards, and gardens with mature trees.

Behavior

The Red-bellied Squirrel, also known as the Mexican Gray Squirrel, is a highly agile and energetic tree-dweller. They are primarily arboreal, meaning they spend the majority of their lives in the canopy, leaping between branches with remarkable precision. Unlike some of their more timid cousins, these squirrels are quite bold and can often be heard chattering or barking to defend their territory from rivals or predators.

These squirrels are scatter-hoarders, a behavior that plays a vital role in forest regeneration. They spend significant time on the ground during the autumn months, burying nuts and seeds in various locations to sustain them through leaner periods. While they are generally solitary, they may congregate near abundant food sources, leading to playful—and sometimes aggressive—chases through the treetops.

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Camera Tips

To capture the best footage of a Red-bellied Squirrel, think vertically. These animals use tree trunks as highways. Mount your camera about 4 to 5 feet high on a mature oak or nut-bearing tree, angling it slightly downward toward a sturdy horizontal branch or a known 'stopping point' where the squirrel pauses to scan the area. Avoid placing the camera too low on the ground unless you are targeting their caching behavior, as they are most comfortable and photogenic when elevated.

Baiting can be very effective for bringing them into frame. A small platform feeder stocked with whole walnuts, pecans, or sunflower seeds will keep them stationary long enough for high-quality shots. If you are in a drier climate or during a summer heatwave, a elevated birdbath or dripping water source is an irresistible magnet for these squirrels, providing excellent opportunities for capturing grooming and drinking behaviors.

Because squirrels are incredibly fast, camera settings are crucial. Use a fast trigger speed (0.3 seconds or less) and set your camera to 'Burst Mode' or 'Photo + Video' to ensure you don't just catch a blurry tail as they zip by. For video, a 15-second clip is usually sufficient to capture their erratic movements. Position your camera to face North or South to prevent harsh morning or afternoon sunlight from 'blowing out' the details of their gray fur and red bellies.

In suburban settings, look for 'squirrel bridges'—fence lines, utility wires, or overhanging branches that connect two foraging areas. Placing a camera near these transit points will yield frequent captures. During the winter, look for their large leaf nests (dreys) in the canopy; placing a camera on a nearby tree may capture them emerging at sunrise to begin their daily foraging rounds.

Similar Species

Species that look similar or are commonly confused with Red-bellied Squirrel.

Eastern Gray Squirrel

Smaller in size with a consistently white or light cream-colored belly and more brownish-gray fur.

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Frequently Asked Questions

Red-bellied Squirrels are diurnal, meaning they are active during the day. They have two peak activity periods: shortly after sunrise for morning foraging and again in the late afternoon before they retreat to their nests for the night.

You can attract them by planting nut-producing trees like oaks or walnuts. Providing a specialized squirrel feeder with high-quality nuts like pecans and walnuts, along with a clean water source, will make your yard a favorite stop.

Their diet is diverse, consisting mostly of seeds, nuts, and fruits. They are particularly fond of acorns, pine seeds, and seasonal fruits, though they will occasionally eat fungi or tree bark when other food is scarce.

Yes, provided there are enough mature trees for nesting and travel. They are highly adaptable and often thrive in suburban gardens and city parks where they can find supplemental food from bird feeders.

The most obvious difference is the belly color; the Red-bellied Squirrel has a vivid orange or reddish underside, whereas the Eastern Gray Squirrel has a white or cream-colored belly. The Red-bellied Squirrel is also generally larger and sturdier.

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