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Great Horned Owl (Bubo virginianus)
Flight feather, likely a primary or secondary remige

Great Horned Owl (Bubo virginianus)

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

Family: Strigidae (Typical Owls)

Shape
Slightly asymmetrical vane with a rounded tip, broad outline, and specialized velvety leading edge characteristic of owls for silent flight
Size
Approximately 10 to 12 inches long, consistent with a large wing feather from a medium-to-large raptor, fitting typical adult Great Horned Owl dimensions
Rarity
Common
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Description

The Great Horned Owl is a powerful, heavily built apex predator known for its prominent ear tufts, large yellow eyes, and deep, resonant hooting. It is one of the most widespread and adaptable owls in the Americas, capable of taking prey as large as skunks, hares, and even other raptors.

Colour & Pattern

Muted earth tones with dark brown or black horizontal bars (banding) across a mottled gray, brown, and whitish background, typical of raptor cryptic coloration

Barb Structure

Pennaceous vane with tightly interlocked barbs near the tip and margins, grading into a soft, plumulaceous base; features specialized velvety fringe-like barbules for sound-dampening

Texture & Surface

Matte, non-glossy, remarkably soft and velvety to the touch due to specialized fringe-like microstructures on the barbules designed to eliminate flight noise

Key Features

Distinctive dark brown horizontal barring against a mottled gray-brown background, combined with a soft, velvety texture designed for silent flight

Habitat

Incredibly adaptable, found in deciduous, coniferous, and mixed forests, deserts, swamps, tundra edges, agricultural areas, and urban parks

Geographic Range

Widespread throughout the Americas, ranging from the subarctic regions of Canada and Alaska south through the United States, Central America, and down into South America

Ecological Role

Apex nocturnal predator regulating populations of small-to-medium mammals and birds, serving as a key indicator of a healthy, balanced ecosystem

Similar Species

Barred Owl (Strix varia) and Barn Owl (Tyto alba); Barred Owl feathers have more barred/streaked vertical patterns rather than distinct horizontal bands, while Barn Owl feathers are paler and tawny-gold

Interesting Facts

Great Horned Owls have specialized fringed feathers on the leading edges of their wings that muffle the sound of air rushing over them, allowing them to hunt completely silently in total darkness

Condition Notes

Good condition with intact barbs and minimal fraying, showing vibrant natural coloration and a clean rachis