Mammals Daytime

Richmond's Squirrel

Sciurus richmondi

iNaturalist Wikipedia

The Richmond's Squirrel is a rare and beautiful endemic of Nicaragua's lush lowlands. Known for its rich mahogany coat and elusive nature, spotting one on camera is a true badge of honor for any backyard naturalist.

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Quick Identification

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Size

Body length of 18-22 cm (7-8.5 in) with a tail of 15-18 cm (6-7 in); weight typically ranges from 250-400g (9-14 oz)

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Colors

Deep ochraceous-brown or dark mahogany upperparts; underparts are yellowish-buff or pale orange; tail is dark brown with subtle rufous frosting

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Key Features

Uniform dark brown dorsal coloration
Lacks the white ear tufts found in some relatives
Relatively short, bushy tail compared to body length
Pale orange-buff belly with no white spotting

When You’ll See Them

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Activity pattern Active during the day

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Peak hours 6:30 AM - 10:00 AM and 3:00 PM - 5:30 PM

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Season Year-round

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Diet Primary diet consists of hard-shelled nuts, seeds, and various tropical fruits. They are particularly fond of acorns and cacao pods, and will supplement their diet with fungi, flowers, and occasionally bird eggs or insects.

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Habitat Native lowland rainforests, mature gallery forests, and occasionally shaded coffee or cacao plantations.

Behavior

The Richmond's Squirrel, or 'ardilla del rama,' is an agile arboreal specialist that spends the vast majority of its life in the canopy. Unlike some of its more urban-adapted cousins, this species is somewhat shy and cautious, often freezing in place or spiraling to the opposite side of a tree trunk when it senses a potential threat. They are solitary by nature, though they may tolerate the presence of others near high-value food sources like fruiting Dipteryx trees.

These squirrels are incredibly industrious foragers, spending their morning hours leaping between branches with remarkable precision. While they are primarily tree-dwellers, they will occasionally descend to the forest floor to retrieve fallen nuts or bury caches for leaner times. In areas where human settlements border the forest, they may occasionally visit cacao or fruit plantations, showing a measured level of adaptability to modified landscapes.

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Camera Tips

To capture the Richmond's Squirrel, camera placement is everything. Since they are primarily arboreal, mounting your AI camera 5 to 10 feet up a tree trunk is significantly more effective than ground placement. Use a specialized tree mount to angle the camera slightly downward toward a sturdy, horizontal limb that serves as a natural 'highway' between trees. Look for 'scat' or chewed nut shells at the base of trees to identify high-traffic areas.

While we recommend observing natural behavior, you can increase your capture rate by placing the camera near a known food source like a fruiting tree or a bird feeder stocked with black oil sunflower seeds or native nuts. If using a lure, place it on a branch about 3-5 feet from the lens to ensure the AI has enough time to trigger and focus. Because these squirrels move in quick, erratic bursts, set your camera to 'Burst Mode' or 'High Sensitivity' to capture the action before they vanish behind the trunk.

Lighting in the rainforest or dense canopy can be tricky. If your camera allows for it, adjust the exposure settings to account for the dappled sunlight which can often 'wash out' images. Late afternoon provides the best natural lighting for showing off the rich, mahogany tones of their fur. During the rainy season, ensure your camera housing is properly sealed, as the humidity in Nicaragua's lowland forests can be intense.

Similar Species

Species that look similar or are commonly confused with Richmond's Squirrel.

Red-tailed Squirrel

Larger in size with a more distinctly bright red or orange tail that contrasts with the body color.

Variegated Squirrel

Highly variable in color but usually shows much more white or gray on the underparts and face compared to the solid brown Richmond's.

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Frequently Asked Questions

Richmond's Squirrels are strictly diurnal, meaning they are active during the day. Their peak activity occurs shortly after sunrise (around 6:30 AM to 10:00 AM) and again in the late afternoon before dusk.

If you live within their range in Nicaragua, planting native fruit-bearing trees or providing a platform feeder with native nuts and seeds can attract them. They prefer backyards that have a continuous canopy connection to nearby forest patches.

They have a diverse diet including nuts, seeds, and fruits. They are particularly known for foraging on cacao, dipteryx nuts, and various tropical palm fruits.

They are not as common in urban areas as some other species; they generally prefer dense forest cover or well-shaded plantations. However, they can be found in rural gardens that provide enough tree cover.

Richmond's Squirrels are generally smaller and more uniformly dark brown compared to the Red-tailed Squirrel. The Red-tailed Squirrel usually has a much more vibrant, reddish-orange tail that contrasts sharply with its body.

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