
Great Horned Owl (Bubo virginianus)
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Strigiformes, Family: Strigidae, Genus: Bubo, Species: Bubo virginianus
Family: Strigidae (Typical Owls)
- Shape
- Broad, rounded, with asymmetrical patterning and a soft, fringe-like structure
- Size
- Approximately 4 to 5 inches long, typical of a large body or flank contour feather for this species
- Rarity
- Common and widespread
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Description
The Great Horned Owl is a powerful, heavily built apex nocturnal predator easily recognized by its prominent feather tufts ('horns'), large yellow eyes, and deep hooting call. It is one of the most adaptable owls in the Americas, hunting a vast array of prey from small rodents to large mammals and birds.
Colour & Pattern
Distinctive alternating dark brown and grayish-white barring (vermictulations and transverse bars), characteristic of the cryptic camouflage pattern found on the body plumage of the Great Horned Owl
Barb Structure
Pennaceous at the distal tip transitioning rapidly to plumulaceous (fluffy, downy) base with velvety, modified barbules that absorb sound for silent flight
Texture & Surface
Extremely soft, velvety, and matte in appearance with no glossy sheen, specialized micro-structures on the barb edges to eliminate aerodynamic noise
Key Features
Bold dark brown and white horizontal barring coupled with an exceptionally soft, velvety texture and a large, downy base designed for silent flight
Habitat
Extremely adaptable, found in deciduous and coniferous forests, deserts, wetlands, urban areas, tundra edges, and agricultural fields
Geographic Range
Widespread throughout North America, Central America, and South America, occurring from the subarctic down to the tropics as a year-round resident
Ecological Role
Apex nocturnal predator serving a crucial role in controlling rodent and small mammal populations, acting as a key indicator of a healthy, balanced ecosystem
Similar Species
Barred Owl (Strix varia) and Short-eared Owl (Asio flammeus), though Barred Owl feathers typically feature more vertical streaking on the underparts rather than clean transverse bars
Interesting Facts
Great Horned Owls are fierce, opportunistic hunters known to prey heavily on skunks due to their lack of a strong sense of smell, and they often take over abandoned nests of hawks or eagles rather than building their own
Condition Notes
Good condition with intact barbs at the tip and slightly ruffled plumulaceous barbs near the base, showing natural wear but no major damage or breakage