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Barn Owl
Secondary Flight Feather (Remiges)

Barn Owl

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Strigiformes, Family: Tytonidae, Genus: Tyto, Species: Tyto alba

Family: Tytonidae (Barn Owls)

Shape
Asymmetrical with a broad vane; slightly rounded tip, with characteristic softness at the edges
Size
Approximately 15-18 cm (6-7 inches) in length; consistent with a mid-secondary flight feather of a medium-sized owl.
Rarity
Common, though their nocturnal nature and silent flight make them difficult to spot without effort.
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Description

The Barn Owl is a medium-sized, ghostly white-to-buff raptor with a distinctive heart-shaped facial disk. They lack ear tufts and possess long legs. This feather exhibits the warm, toasted-honey tones typical of the bird's upperparts, which contrast sharply with their snow-white underparts.

Colour & Pattern

Pale ochre to golden-buff dorsal surface with subtle, fine greyish-brown vermiculation (mottling) near the tip. The ventral surface is much paler, nearly white. The color is derived from pheomelanin.

Barb Structure

Pennaceous vane throughout most of the length; however, the leading edge features a specialized fringe (fimbriae) and the surface is covered in a soft, plumulaceous velvet (velutinum) to dampen sound.

Texture & Surface

Extremely soft, silky, and velvet-like to the touch. It has a matte appearance with no gloss or iridescence, designed to absorb sound rather than reflect light.

Key Features

Heart-shaped facial disk (bird), velvet-like surface texture (feather), and the absence of dark heavy barring found in other large owls.

Habitat

Open country, grasslands, agricultural fields, and marshes; nests in hollow trees, cliff cavities, and human structures like barns and silos.

Geographic Range

One of the most widespread birds in the world; found on every continent except Antarctica. Resident across much of North America, Europe, Africa, and Australia.

Ecological Role

Apex nocturnal predator of small mammals; acts as a critical biological control for rodent populations.

Similar Species

Long-eared Owl (more heavily barred), Short-eared Owl (streaked, not vermiculated), and Great Horned Owl (much larger, darker, and stiffer barbs).

Interesting Facts

Barn Owls have asymmetrical ear openings, allowing them to triangulate the exact position of a mouse under snow or vegetation in total darkness.

Condition Notes

Good condition; minor separation of barbs in the mid-vane (preening could fix). Calamus is clear, suggesting a natural molt.