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Great Horned Owl (Bubo virginianus)
Flight feather, 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, rounded tip, with specialized soft fringe on the leading edge for silent flight
Size
Large, approximately 10-14 inches long depending on exact position, showing broad vane structure typical of large raptors.
Rarity
Common and widespread throughout its extensive range.
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Description

The Great Horned Owl is a powerful, heavy-bodied apex predator of the night, easily recognized by its prominent ear tufts, large yellow eyes, and deep hooting call. It is one of the most adaptable owls in the Americas, preying on everything from small rodents to mammals as large as hares and skunks.

Colour & Pattern

Complex barred pattern with alternating dark brown and buff/white zigzag bands, providing exceptional camouflage.

Barb Structure

Pennaceous vane with specialized velvety, fringe-like barbs on the leading edge and downy modified tips that absorb sound, creating silent flight capability.

Texture & Surface

Velvety, soft matte surface texture designed to muffle sound during flight, lacking the glossy stiffness found in diurnal raptors.

Key Features

Distinctive bold dark brown and white/buff barring across a broad vane, combined with the velvety, muffled texture unique to owl flight feathers.

Habitat

Incredibly adaptable, found in deciduous and evergreen forests, deserts, tundra, swamps, urban areas, and agricultural fields.

Geographic Range

Widespread throughout North America, Central America, and South America, extending from the subarctic down to the southern tip of Argentina.

Ecological Role

Apex nocturnal avian predator that helps regulate rodent and small mammal populations, maintaining balance in forest and grassland ecosystems.

Similar Species

Barred Owl (Strix varia) and Snowy Owl (Bubo scandiacus), distinguished by different barring patterns and lighter or darker ground colors.

Interesting Facts

Great Horned Owls have asymmetrical ear openings that allow them to pinpoint prey in total darkness by sound, and their specialized feathers let them fly completely silently.

Condition Notes

Good condition with intact barbs and clear patterning, showing minimal wear along the edges.