
Great Horned Owl (Hoot Owl, Winged Tiger)
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Strigiformes, Family: Strigidae, Genus: Bubo, Species: B. virginianus
Family: Strigidae (Typical Owls)
- Shape
- Symmetrical to slightly asymmetrical vane with a broad, softly rounded tip
- Size
- Approximately 10-12 inches long, consistent with typical Great Horned Owl flight feathers which range from 9 to 14 inches depending on the specific wing position.
- Rarity
- Common and widespread throughout its extensive geographic range.
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Description
The Great Horned Owl is a powerful, heavily built nocturnal apex predator characterized by prominent feather tufts ('horns'), large yellow eyes, and a deep, resonant hooting call. They possess exceptional hearing and vision, allowing them to hunt a vast array of prey from insects to mammals as large as hares and skunks.
Colour & Pattern
Muted earth tones featuring prominent dark brown or blackish transverse bars (bannings) across a pale grey, buff, and mottled white background. The rachis transitions from white at the base to pale brownish distally.
Barb Structure
Pennaceous vane with specialized velvety, modified barbules on the outer edges that create a silent flight mechanism. The base features plumulaceous downy barbs.
Texture & Surface
Extremely soft, velvety, and matte in texture due to specialized fringe-like barbules designed to muffle sound during flight, lacking the glossy sheen of diurnal raptor feathers.
Key Features
Soft velvety texture, distinct dark brown horizontal barring against a mottled grey and buff background, and a rounded tip adapted for silent nocturnal flight.
Habitat
Incredibly adaptable, found in deciduous and coniferous forests, deserts, swamps, tundra, urban parks, and agricultural areas.
Geographic Range
Widespread throughout the Americas, ranging from the subarctic regions of Canada and Alaska down through the United States, Central America, and into South America.
Ecological Role
Serves as a top nocturnal apex predator controlling rodent, rabbit, and pest populations, functioning as an important indicator of ecosystem health.
Similar Species
Barred Owl (Strix varia) and Snowy Owl (Bubo scandiacus). Barred owl feathers have more streaked vertical patterns rather than distinct horizontal bars.
Interesting Facts
Great Horned Owls are one of the earliest nesting birds in North America, often beginning courtship and egg-laying as early as January in sub-zero temperatures.
Condition Notes
Good condition, with mostly intact barbs and only slight fraying at the extreme base near the calamus.