
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 shows characteristic softening
- Size
- Estimated 20-25 cm (8-10 inches) in length, consistent with the inner secondary feathers of a large adult owl
- Rarity
- Common; one of the most widespread and successful raptors in the Americas
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Description
This is a secondary wing feather from a Great Horned Owl, a massive apex predator characterized by its prominent ear tufts and piercing yellow eyes. The bird itself has a mottled grayish-brown plumage designed for camouflage against tree bark. It has a wingspan of up to 4.8 feet and is famous for its deep, resonant 'hoo-h'hoo-hoo-hoo' call.
Colour & Pattern
Warm ochre/tawny base color with 7-9 distinct dark brown horizontal bars; underside is lighter cream with more muted banding; rachis is cream-colored
Barb Structure
Pennaceous vane with a velvet-like 'fimbriae' pile on the surface; distal barbs form a soft fringe to dampen sound; plumulaceous at the base
Texture & Surface
Extremely soft, velvet-like surface (silent flight adaptation); matte finish with a downy, hair-like feel across the vane
Key Features
Warm tawny coloration, soft fimbriate trailing edge, and distinct broad dark barring; lack of a stiff, noisy 'snap' when flexed
Habitat
Highly adaptable; found in deciduous and evergreen forests, swamps, deserts, subalpine, and urban parks
Geographic Range
Common throughout North and South America, ranging from the Arctic treeline south to the tip of South America
Ecological Role
Apex predator; controls populations of rodents, skunks, and other small-to-medium mammals. Known as the 'tiger of the air' for its hunting prowess.
Similar Species
Long-eared Owl (smaller, thinner bars), Barred Owl (grayer tones, different barring rhythm), or Eurasian Eagle-Owl (larger, more orange tones)
Interesting Facts
The soft fringes on these feathers allow the owl to fly in near-total silence, preventing prey from hearing their approach. They have a grip strength of 300-500 psi, comparable to a Golden Eagle.
Condition Notes
Good condition; minor fraying at the base and tip suggests it is a natural molt rather than a plucked feather; no significant fault bars visible