
Great Horned Owl (also known as Tiger Owl or Hoot Owl)
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Strigiformes, Family: Strigidae, Genus: Bubo, Species: Bubo virginianus
Family: Strigidae (Typical Owls)
- Shape
- Broad and slightly asymmetrical with a rounded, blunt tip. The leading edge (outer vane) is narrower than the trailing edge (inner vane).
- Size
- Estimated at 18-22 cm (7-9 inches) in length and 5-6 cm in width, which is consistent with the secondary feathers of a large female Great Horned Owl.
- Rarity
- Common; it is the most widely distributed and frequently encountered large owl in North America.
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Description
This feather comes from a powerful, apex nocturnal predator with a wingspan of up to 4.8 feet. The Great Horned Owl is known for its prominent ear tufts and deep, booming hoots. Its plumage is designed for total stealth and camouflage.
Colour & Pattern
Mottled brown-and-tan base with distinct, irregular white or cream-colored horizontal bars. The dark bands are splotchy rather than crisp, typical of the camouflaging 'bark' pattern of this species.
Barb Structure
Densely pennaceous throughout most of the vane but transitioning to plumulaceous (downy) at the base. The trailing edge features a soft, fringed border typical of silent-flight adaptations.
Texture & Surface
Extremely soft and velvety to the touch. The dorsal surface has a fine 'fin' or pile (velvety nap) that reduces air turbulence and noise during flight.
Key Features
Distinctive velvety texture, soft fringed edges for silent flight, and irregular horizontal cream-colored barring on a mottled brown background.
Habitat
Highly adaptable; found in deciduous and evergreen forests, swamps, deserts, agricultural areas, and urban parks with large trees.
Geographic Range
Year-round resident across North and South America, ranging from the Arctic treeline in the north to the tip of South America.
Ecological Role
Apex predator; controls populations of rodents, rabbits, and even other birds of prey. They are vital indicators of ecosystem health.
Similar Species
Long-eared Owl feathers are similar but significantly smaller and more slender. Red-tailed Hawk feathers lack the velvety texture and silent-flight fringes.
Interesting Facts
The 'horns' of this owl are actually just tufts of feathers and have nothing to do with hearing. Their grip strength is so powerful it can reach 300 psi, comparable to a large dog's bite.
Condition Notes
Good condition; showing minor wear and slight separation of the barbs on the leading edge. The calamus is intact, suggesting a natural molt.