
Great Horned Owl (also 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
- Ovoid and plumulaceous; lacks a defined vane outline, appearing as a fluffy tuft around a weak central rachis.
- Size
- Approximately 1.5 to 2.5 inches in length. This is consistent with insulating feathers found close to the body under the contour layer.
- Rarity
- Very Common; one of the most widespread and successful owls in the Americas.
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Description
This is a downy feather from the Great Horned Owl, a massive, powerful raptor known for its prominent ear tufts and deep, rhythmic hooting. The bird itself features mottled grayish-brown plumage designed for camouflage against tree bark.
Colour & Pattern
Predominantly pale gray to off-white with a subtle tan or buff-colored central streak along the rachis. No distinct banding is present.
Barb Structure
Entirely plumulaceous (downy); long, flexible barbs and barbules lacking interlocking hooklets (hamuli), resulting in a soft, trapping-air structure.
Texture & Surface
Extremely soft, silky, and lightweight. It has a matte appearance with no gloss, designed for thermal insulation rather than aerodynamics.
Key Features
Extreme softness, lack of pennaceous (locked) barbs, and a pale coloration with a tan central shaft typical of large owl down.
Habitat
Highly adaptable; found in deciduous and evergreen forests, swamps, deserts, subalpine fields, and urban parks.
Geographic Range
Resident throughout North and South America, from the Arctic tree line to the southernmost tip of South America.
Ecological Role
Apex predator; controls populations of rodents, rabbits, and even other birds of prey. Essential for maintaining balanced local ecosystems.
Similar Species
Barn Owl (Tyto alba) down is typically whiter; Red-tailed Hawk down often has a more distinctively darkened rachis base.
Interesting Facts
Great Horned Owls have no sense of smell, making them one of the few consistent predators of skunks. They also have the strongest grip of any North American owl.
Condition Notes
Good condition; the barbs appear hydrated and intact, though slightly clumped, likely a natural molt specimen.