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Barn Owl
Primary flight feather (Remex), likely P10 or P9 from the outer wing

Barn Owl

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

Family: Tytonidae (Barn Owls)

Shape
Highly asymmetrical with a very narrow outer vane and a broad inner vane; pointed tip featuring a distinct leading-edge serration (fimbriae).
Size
Estimated 20-25 cm in length; consistent with the outer primaries of an adult Barn Owl which typically range between 18 and 26 cm.
Rarity
Common to Uncommon depending on local habitat availability; populations are declining in some intensive agricultural areas due to habitat loss and rodenticide use.
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Description

The Barn Owl is a ghost-like nocturnal raptor known for its heart-shaped white facial disk. The plumage is a beautiful mix of apricot and light gray above, with fine black-and-white spotting. This feather reflects the species' remarkable specialization for stealth, allowing it to swoop down on rodents without making a sound.

Colour & Pattern

Base color of white to creamy pale-buff; the outer vane is warm ochre-brown. The feather features distinct dark brown/blackish subterminal speckling and 3-4 irregular dark transverse bars or blotches.

Barb Structure

Pennaceous and tightly interlocked throughout most of the vane, though the surface is covered in a specialized velvety pile (velutinous) of elongated barbules to dampen sound.

Texture & Surface

Extremely soft and silky to the touch (velvety). It possesses a matte appearance rather than glossy, which is a specific adaptation for silent flight in nocturnal hunters.

Key Features

Distinctive warm buff coloring, dark blotchy banding, and a specialized 'fuzzy' texture on the surface with serrated leading edges for noise reduction.

Habitat

Open country, grasslands, agricultural fields, marshes, and woodland edges; nests in tree cavities, crevices, and man-made structures like barns or abandoned buildings.

Geographic Range

One of the most widespread birds in the world, found on every continent except Antarctica. In North America, it ranges from southern Canada through the US and into South America.

Ecological Role

Apex predator of small mammals; acts as a natural pest control for rodent populations. They are excellent bioindicators of the health of grassland ecosystems.

Similar Species

Short-eared Owl (Asio flammeus) feathers have more orange-buff and bolder, more regular barring; Great Horned Owl (Bubo virginianus) feathers are larger, grayer, and more heavily barred.

Interesting Facts

The 'comb' on the leading edge of this feather breaks up air turbulence into smaller 'micro-turbulences,' effectively muffling the sound of flight so the owl can hear prey while remaining unheard.

Condition Notes

Fair to Good; there is visible wear and separation of the barbs ('zipped' open) along the trailing edge, suggesting this may be a naturally molted feather that has seen significant use.