
Great Horned Owl
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Strigiformes, Family: Strigidae, Genus: Bubo, Species: Bubo virginianus
Family: Strigidae (Typical Owls)
- Shape
- Strongly asymmetrical with a narrow leading vane and broad trailing vane; tapered toward the tip with a distinct curvature and velvety fringes on the edges.
- Size
- Estimated 8-10 inches in length. This is consistent with the primary feathers of an adult Great Horned Owl, which typically range from 20-28 cm.
- Rarity
- Common. They are the most widely distributed owl in North America, though they are nocturnal and more often heard than seen.
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Description
This is a large, powerful feather from the 'Tiger of the Air.' The Great Horned Owl is a massive raptor with prominent ear tufts and a white throat patch. Their plumage is designed for total camouflage against tree bark and rock faces.
Colour & Pattern
Mottled brown, buff, and cream; features distinct dark brown horizontal banding (barring) interspersed with gray-brown 'vermiculation' or peppery markings typical of cryptic owl plumage.
Barb Structure
Pennaceous throughout most of the vane but with a specialized plumulaceous base; features a unique 'fimbriate' or comb-like edge (flutings) on the leading margin to muffle sound.
Texture & Surface
Extremely soft and velvety to the touch. The surface has a matte appearance with a specialized downy coating that reduces air turbulence and friction.
Key Features
Velvety surface texture, comb-like leading edge flutings for silent flight, and dark brown barring on a buff/gray-brown mottled background.
Habitat
Highly adaptable; found in deciduous and evergreen forests, high-desert canyons (like those near Bend, OR), subalpine areas, and urban parks.
Geographic Range
Resident throughout North and South America, from the Arctic tree line to the Straits of Magellan. Non-migratory and highly territorial.
Ecological Role
Apex predator. They control populations of rodents, skunks, and even other birds of prey. They are considered an indicator species for forest health.
Similar Species
Long-eared Owl (smaller, more orange tones), Great Gray Owl (larger, more gray/white barring), and Barred Owl (shorter, more rounded feathers with different barring patterns).
Interesting Facts
Great Horned Owls have a bite pressure of nearly 300 psi, comparable to a German Shepherd. Their silent flight is so effective they can fly past a microphone array undetected.
Condition Notes
Excellent condition with intact barbs and minimal wear. The calamus is clean, suggesting a natural molt rather than a forced removal.
Notes
In Bend Or