
Great Horned Owl (Tiger Owl, Hoot Owl)
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Strigiformes, Family: Strigidae, Genus: Bubo, Species: B. virginianus
Family: Strigidae (Typical Owls)
- Shape
- Asymmetrical with a broad trailing vane and narrower leading vane; rounded tip with distinct leading-edge serrations (fimbriae).
- Size
- Approximately 9-11 inches (23-28 cm) length. Consistent with mid-range primaries for an adult Great Horned Owl which typically range from 8 to 13 inches.
- Rarity
- Common; one of the most widespread and successful birds of prey in the Americas.
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Description
A large, powerful owl with prominent ear tufts and a white throat patch. This feather reflects the species' role as an apex nocturnal predator, featuring advanced acoustics-dampening structures that allow it to ambush prey in total silence.
Colour & Pattern
Mottled 'tiger-stripe' pattern with alternating bands of dark bister brown and pale buff or off-white; the pattern is jagged and chaotic to provide crypsis against tree bark.
Barb Structure
Pennaceous throughout most of the vane but with a characteristic 'velvety' pile on the dorsal surface consisting of long, soft barbules; distal edges of leading barbs are unattached to create a silencing comb.
Texture & Surface
Velvety and exceptionally soft to the touch (matte appearance). The dorsal surface has a fine 'fuzz' that dampens the sound of air rushing over the wing.
Key Features
Velvety surface texture, serrated 'comb' on the leading edge, and a complex mottled brown and buff banding pattern.
Habitat
Extremely versatile; found in deciduous and evergreen forests, swamps, deserts, chaparral, agricultural areas, and suburban parks.
Geographic Range
Resident throughout North and South America, from the subarctic tree line in Alaska and Canada south to the tip of South America. Non-migratory.
Ecological Role
Apex nocturnal predator; controls populations of rodents, rabbits, and even other birds of prey. High conservation value as an indicator of ecosystem health.
Similar Species
Long-eared Owl (smaller, different banding frequency) and Barred Owl (cleaner horizontal barring, less mottling).
Interesting Facts
Great Horned Owls have a bite force comparable to a large dog and are one of the few predators that regularly hunt skunks, as they have a very poor sense of smell.
Condition Notes
Good to Fair condition. Minor fraying visible on the trailing edge (vane separation) and some wear at the tip suggests a naturally molted feather from a previous season.