
Great Horned Owl (Hoot Owl, Tiger Owl)
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Strigiformes, Family: Strigidae, Genus: Bubo, Species: Bubo virginianus
Family: Strigidae (Typical Owls)
- Shape
- Broadly rounded tip with an asymmetrical vane typical of wing feathers; leading edge shows slight narrowing but lacks the deep emargination of a primary.
- Size
- Approximately 9-11 inches (23-28 cm) in length; broad width consistent with secondaries of a large raptor.
- Rarity
- Common; one of the most widespread and successful large owls in the Americas.
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Description
This is a secondary flight feather from a Great Horned Owl, a powerful apex predator. The bird is noted for its large size, prominent ear tufts, and piercing yellow eyes. Its plumage is designed for camouflage and silent flight, allowing it to ambush prey ranging from rabbits to skunks and even other hawks.
Colour & Pattern
Alternating broad bands of dark chocolate brown or charcoal and creamy buff to ochre; fine 'vermiculation' (mottling) within the lighter bands is highly characteristic; underside is paler with ghosting of the top pattern.
Barb Structure
Pennaceous throughout the main vane with a soft, velvet-like coating of fimbriae; basal area is plumulaceous (downy); trailing edge is finely fringed to muffle sound.
Texture & Surface
Extremely soft and velvety to the touch (the 'muff' or 'pile' surface); matte finish; the leading edge has a subtle comb-like structure to break up air turbulence.
Key Features
Velvety surface texture, soft fringed edges for silent flight, and the signature mottled 'vermiculation' within the light tan bands.
Habitat
Highly adaptable; found in deciduous and coniferous forests, deserts, suburban parks, agricultural areas, and rocky canyons.
Geographic Range
Resident throughout North and South America, from the subarctic tree line in Alaska and Canada south to the tip of South America; largely non-migratory.
Ecological Role
Apex predator; controls populations of rodents and medium-sized mammals; sensitive to secondary poisoning from rodenticides.
Similar Species
Barred Owl feathers (paler, more clean-edged bands without as much mottling) and Long-eared Owl feathers (much smaller and more slender).
Interesting Facts
Great Horned Owls have a bite force of nearly 300-500 psi, comparable to a large dog; they are also one of the few predators that regularly hunt and eat skunks because they have a poor sense of smell.
Condition Notes
Good to Fair; some separation of the barbs ('zipped' apart) and mild wear at the tip suggests it was a naturally molted feather rather than a fresh loss.