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Great Horned Owl (Bubo virginianus)
Body Contour feather with plumulaceous base

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
Symmetrical vane with a broadly rounded tip
Size
Approximately 4-5 inches long, typical of a medium-to-large body contour or flank feather from a Great Horned Owl
Rarity
Common and widespread throughout its extensive natural range
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Description

The Great Horned Owl is a powerful and adaptable nocturnal apex predator, easily recognized by its prominent ear tufts, large yellow eyes, and deep hooting call. This contour feather exhibits the specialized soft structure and cryptic barred pattern characteristic of owl plumage, designed to eliminate aerodynamic noise and provide camouflage.

Colour & Pattern

Distinctive alternating dark brown/grayish-brown bands and mottled white/buff barring across a pale background, providing classic cryptic camouflage

Barb Structure

Pennaceous at the banded tip transitioning rapidly to a very fluffy, plumulaceous (downy) structure at the base; notable for specialized soft, velvety texture

Texture & Surface

Extremely soft, velvety, and matte in texture, lacking the stiffness of typical raptor flight feathers, which helps muffle sound during flight

Key Features

Rounded tip, soft velvety texture with plumulaceous base, and bold dark brown and white horizontal barring typical of Bubo virginianus body plumage

Habitat

Extremely adaptable, found in deciduous and evergreen forests, deserts, wetlands, tundra edges, agricultural areas, and urban parks

Geographic Range

Widespread throughout the Americas, from the subarctic regions of North America down through Central America to South America

Ecological Role

Acts as a primary apex avian predator keeping rodent, rabbit, and other small-to-medium mammal populations in balance

Similar Species

Barred Owl (Strix varia) and Snowy Owl (Bubo scandiacus), distinguished by differing bar width, coloration, and overall feather dimensions

Interesting Facts

Great Horned Owls possess asymmetrical ear placement that allows them to pinpoint prey by sound in pitch darkness, and they can exert a crushing foot pressure of over 500 pounds per square inch

Condition Notes

Good condition, clean with intact barbs and no major fraying or structural damage

Great Horned Owl (Bubo virginianus) | Feather Identifier