
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 rounded tip and a distinctly frayed, velvety leading edge characteristic of silent-flight adaptations.
- Size
- Approximately 4 to 6 inches long, consistent with a medium-to-large body covert or flank feather of a Great Horned Owl.
- Rarity
- Common and widespread throughout its extensive geographic range.
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Description
The Great Horned Owl is a powerful and adaptable nocturnal apex predator known for its prominent ear tufts, intense yellow eyes, and deep, resonant hooting calls. It features a robust build, mottled cryptic plumage that provides near-perfect camouflage against tree bark, and specialized flight feathers that allow for completely silent flight when ambushing prey.
Colour & Pattern
Intricate barred pattern of dark brown and charcoal black alternating with mottled buff, grayish-white, and light tan bands. The rachis is dark brown near the base and blends into lighter tones toward the tip.
Barb Structure
Partially pennaceous at the tip transitioning into soft, plumulaceous barbs near the base. The barbs feature specialized fringe-like projections (comb-like serrations) that eliminate aerodynamic noise during flight. The condition shows moderate fraying and wear.
Texture & Surface
Exceptionally soft, velvety, and matte in texture. Lacks any glossy sheen, which helps absorb light and dampen sound waves as air passes over the feather.
Key Features
Soft, velvety texture with a frayed or serrated fringe along the edges, combined with bold brown, black, and buff barring and a distinct mottled appearance.
Habitat
Extremely adaptable, inhabiting a wide range of environments including deciduous and evergreen forests, deserts, wetlands, agricultural fields, tundra edges, and urban parks.
Geographic Range
Found throughout the Americas, from the subarctic regions of Canada and Alaska down through the United States, Central America, and deep into South America.
Ecological Role
Acts as an apex nocturnal predator, helping to regulate populations of rodents, rabbits, skunks, and other small to medium-sized mammals and birds.
Similar Species
Barred Owl (Strix varia) and Short-eared Owl (Asio flammeus). Barred owls tend to have more pronounced vertical striping or spotting rather than the heavy horizontal barring seen on Great Horned Owl body feathers.
Interesting Facts
Great Horned Owls are among the earliest nesting birds in North America, often beginning courtship and egg-laying as early as January. They possess grip strength of up to 500 pounds per square inch, easily matching the crushing power of an adult human hand.
Condition Notes
Fair to good condition. The feather shows signs of natural wear with some separation of the barbs and slight fraying along the edges, typical of a molted feather found in the field.