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Great Horned Owl
Primary flight feather (likely P8 or P9)

Great Horned Owl

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Strigiformes, Family: Strigidae, Genus: Bubo, Species: Bubo virginianus

Family: Strigidae (Typical Owls)

Shape
Asymmetrical with a distinctively tapered tip; features a prominent leading-edge serration (fimbriae).
Size
Approximately 10-12 inches (25-30 cm) in length; broad vane consistent with a large raptor of this wingspan.
Rarity
Common and widespread throughout its range, though feathers are often hidden in dense roosts.
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Description

A magnificent, powerful owl with iconic 'horns' (ear tufts) and yellow eyes. This feather reflects its apex-predator status, featuring the specialized morphology required for silent nocturnal hunting.

Colour & Pattern

Mottled ochre and tawny-buff base with bold, dark brown horizontal bands (bars); ventral side is paler and more matte.

Barb Structure

Pennaceous with specialized velvety 'flutings' on the surface and a comb-like fringe (fimbriae) on the leading edge for silent flight.

Texture & Surface

Velvety, soft, and extremely quiet to the touch; matte finish designed to absorb sound rather than reflect light.

Key Features

Leading-edge serrations (comb), velvety surface texture, and the specific tawny-and-brown banding characteristic of Bubo virginianus.

Habitat

Highly adaptable: found in deciduous and evergreen forests, swamps, deserts, agricultural areas, and urban parks.

Geographic Range

Extensive range across North and South America, from the subarctic tree line to the southern tip of Argentina; largely resident.

Ecological Role

Apex nocturnal predator, controlling populations of rodents, rabbits, and even other birds of prey.

Similar Species

Great Gray Owl (larger, grayer feathers) and Long-eared Owl (smaller, more delicate feathers with finer vermiculation).

Interesting Facts

The 'comb' on the leading edge of this feather breaks up air turbulence, allowing the owl to fly silently and ambush prey that relies on hearing.

Condition Notes

Good; shows some minor ruffling (unzipped barbs) at the tip and trailing edge, likely from natural wear or contact with brush.