
Great Horned Owl (also known as the Tiger Owl and Hoot Owl)
Kingdom: Animalia; Phylum: Chordata; Class: Aves; Order: Strigiformes; Family: Strigidae; Genus: Bubo; Species: B. virginianus
Family: Strigidae (Typical Owls)
- Shape
- Strongly asymmetrical with a broad trailing vane and narrower leading vane; rounded tip with distinct marginal fraying (fimbriae) along the leading edge.
- Size
- Approximately 25-30 cm (10-12 inches) in length; consistent with a large adult Great Horned Owl primary feather.
- Rarity
- Common; one of the most widespread and successful large owls in North America.
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Description
This is a large, powerful owl known for its prominent ear tufts and deep hooting call. The feather reflects its apex predator status, built for both power and stealth.
Colour & Pattern
Mottled brown and tawny-buff base with distinct, dark brown horizontal barring; markings appear slightly fuzzy rather than sharp, typical of owl camouflage.
Barb Structure
Pennaceous throughout most of the vane with a soft, plumulaceous base; features a specialized 'velvety' dorsal surface (comprising long, soft barbules) designed for silent flight.
Texture & Surface
Incredibly soft, velvety, and matte; the surface lacks the gloss of hawks, featuring a unique 'fuzz' that dampens the sound of air moving over the wing.
Key Features
Soft velvety texture, fimbriate (serrated) leading edge for silent flight, and distinct dark brown/tan horizontal barring.
Habitat
Extremely versatile: found in deciduous and evergreen forests, swamps, deserts, agricultural areas, and suburban parks of Butte County, CA.
Geographic Range
Year-round resident throughout North and South America, ranging from the subarctic tundra south to the tip of South America.
Ecological Role
Apex nocturnal predator; controls populations of rodents, rabbits, and other birds. They are top-tier indicators of ecosystem health.
Similar Species
Long-eared Owl (smaller, different barring pattern) and Red-tailed Hawk (stiffer texture, no velvet surface, sharper barring).
Interesting Facts
Great Horned Owls have a clenching force of 300-500 psi in their talons, comparable to that of a Bald Eagle, allowing them to take prey as large as skunks and small deer.
Condition Notes
Good; shows some natural wear and fraying at the tip and edges, likely a molted feather found after a breeding season.
Notes
Butte County ca