
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
- Asymmetrical vane with a broad, rounded tip and a distinct notch (emargination) on the leading edge to reduce noise.
- Size
- Estimated 22-26 cm in length and 5-7 cm in width; consistent with the large size of a Great Horned Owl primary flight feather.
- Rarity
- Common; one of the most widespread and successful raptors in the Americas.
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Description
A large, powerful owl with prominent ear tufts and yellow eyes. This feather reflects its apex predator status, designed for absolute silence.
Colour & Pattern
Mottled grey-brown base with 5-7 distinct dark brown transverse bands; features "salt and pepper" speckling between bands for camouflage.
Barb Structure
Pennaceous and tightly interlocked with a specialized velvety fringe (fimbriae) on the leading edge and a downy surface to dampen sound.
Texture & Surface
Soft, velvety, and matte; the surface is covered in a hairy piling that eliminates the sound of air rushing over the wing.
Key Features
Velvety 'comb' on the leading edge, distinct dark banding, and heavy mottling; larger and darker than Long-eared Owl feathers.
Habitat
Extremely versatile: found in deciduous and evergreen forests, swamps, deserts, subalpine fields, and urban parks.
Geographic Range
Year-round resident throughout North and South America, from the subarctic tree line to the southern tip of Argentina.
Ecological Role
Top-tier nocturnal predator; controls populations of rodents, skunks, and other birds. Considered an indicator of ecosystem health.
Similar Species
Barred Owl (cleaner bands, less mottling) and Long-eared Owl (noticeably smaller and narrower).
Interesting Facts
Their grip strength can exceed 300 psi, comparable to a German Shepherd's bite, and they are one of the few predators of skunks.
Condition Notes
Good; shows some minor separation of barbs (splits) and slight wear at the tip, suggesting a naturally molted feather.