Birds nocturnal

Flammulated Owl

Psiloscops flammeolus

A hidden gem of the high pines, the Flammulated Owl is a tiny, dark-eyed ghost that disappears against the bark. This migratory marvel is the only small owl in North America with dark eyes, making it a prized discovery for any backyard observer.

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Quick Identification

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Size

Length: 15-17 cm (5.9-6.7 in); Wingspan: 36-41 cm (14.2-16.1 in); Weight: 45-63 g (1.6-2.2 oz)

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Colors

Variegated mix of bark-grey and cinnamon-brown; subtle reddish-orange (rufous) highlights on the shoulders and back; distinct dark brown to black eyes.

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Key Features

Dark brown or black eyes (unique among small North American owls)
Small, inconspicuous ear tufts that are often held flat
Cryptic 'flame-like' reddish markings on facial disk and back
Tiny stature, roughly the size of a standard smartphone

When You’ll See Them

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Activity pattern nocturnal

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Peak hours 10 PM - 2 AM

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Season May-August

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Diet Almost exclusively insectivorous. They forage for large moths, beetles, crickets, and grasshoppers, often 'hawking' them out of the air or gleaning them from needles and branches.

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Habitat Montane forests, specifically favoring old-growth Ponderosa Pine, Douglas-fir, and Aspen groves with open understories.

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Behavior

The Flammulated Owl is a master of camouflage and one of the most elusive birds in North America. Unlike many of its cousins, this owl is strictly nocturnal and highly migratory, traveling as far as Central America for the winter. They are incredibly shy and prefer to stay hidden against the bark of mature trees, where their mottled plumage makes them virtually invisible to predators and human observers alike.

Socially, they are monogamous and maintain small territories during the breeding season. While they are fierce hunters of insects, they are not aggressive toward humans. They are best known for their low-pitched, ventriloquial hoot—a single or double note that sounds much larger than the bird actually is, often tricking listeners into thinking the owl is farther away than its true position.

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Camera Tips

Capturing a Flammulated Owl on camera requires a specialized approach because they rarely descend to the ground and do not respond to traditional owl baits like mice. To increase your chances, mount your camera 8 to 12 feet high on the trunk of a mature conifer, angling it slightly downward toward a sturdy, horizontal 'launch branch' near a known or suspected nesting cavity. Because these owls are so small, ensure your camera's PIR sensor is set to high sensitivity to trigger on their slight movement.

Since 'Flams' are insectivores, the best 'lure' isn't food, but light. Placing a small, low-intensity UV light or a soft white LED near the camera's field of view can attract the large moths and beetles that these owls hunt. Position the light so it illuminates a nearby branch without washing out the camera sensor; the owl will often use that branch as a staging area to snatch insects attracted to the glow. This 'insect-trap' method is far more effective for this species than any other strategy.

Settings are critical for these fast-moving birds. Use a camera with a fast trigger speed (0.2 seconds or less) and set it to take a multi-shot 'burst' or short 10-second videos. Because they live in dense, dark forests, a camera with a high-quality 'No-Glow' infrared flash is essential to avoid scaring the bird or attracting unwanted attention to the camera site. Check your equipment in late spring (May or June) when males are most active and vocal.

Finally, focus on transitional zones where old-growth forest meets a small clearing. Flammulated Owls love to hunt along these edges. If you can locate an abandoned woodpecker hole in an aspen or pine tree, aim your camera there during the nesting season. Avoid frequent visits to the camera site, as these owls are sensitive to disturbance and may abandon a territory if they feel pressured by human presence.

Similar Species

Species that look similar or are commonly confused with Flammulated Owl.

Western Screech-Owl

Larger with bright yellow eyes and more prominent ear tufts; has a bouncing-ball trill rather than a single hoot.

Elf Owl

Even smaller than the Flammulated Owl, but features yellow eyes and lacks ear tufts; typically found in desert scrub rather than pine forests.

Northern Pygmy-Owl

Diurnal (active during the day) with yellow eyes and two dark 'false eye' spots on the back of its head.

Frequently Asked Questions

Flammulated Owls are strictly nocturnal. They typically begin their activity about 30 to 60 minutes after sunset, with peak foraging and calling occurring between 10 PM and 2 AM.

If you live in a mountainous forested area, you can attract them by maintaining mature trees and installing specialized nesting boxes. Avoid using pesticides, as they rely entirely on large insects like moths and beetles for food.

Unlike most owls that eat rodents, Flammulated Owls are almost entirely insectivorous. They specialize in 'night-flying' insects, particularly owlet moths, beetles, and crickets.

They are rarely found in traditional suburban environments. They require specific montane forest habitats, usually above 6,000 feet in elevation, though they may pass through wooded suburban foothills during migration.

The easiest way is the eyes: Flammulated Owls have dark brown or black eyes, while Screech-Owls have bright yellow eyes. Flammulated Owls are also significantly smaller and have much shorter ear tufts.

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