
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
- Highly asymmetrical with a significantly narrower outer vane and broader inner vane; the tip is rounded and shows distinctive emargination.
- Size
- Estimated 10-12 inches (25-30 cm) in length; the width is approximately 2.5-3 inches. Consistent with a large adult Great Horned Owl.
- Rarity
- Common. It is one of the most widespread and successful birds of prey in the Americas.
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Description
This feather belongs to the 'Tiger of the Woods,' a massive owl with prominent ear tufts and piercing yellow eyes. Its plumage is a masterpiece of camouflage.
Colour & Pattern
Mottled brown, tan, and cream-colored barring and vermiculation. The dark bands are dense melanin, providing structural integrity and camouflage.
Barb Structure
Pennaceous structure with specialized velvet-like pile on the surface; leading edge features a fimbriate (comb-like) fringe for silent flight.
Texture & Surface
Extremely soft, silky, and matte. Lacks the oily gloss of waterbirds; covered in specialized pennulum 'down' to dampen sound.
Key Features
Soft, velvety texture, 'comb' fringe on the leading edge (fimbriae), and the distinctive dark-on-tan mottled barring pattern.
Habitat
Extremely versatile: found in deciduous and evergreen forests, swamps, deserts, tundra edges, agricultural areas, and urban parks.
Geographic Range
Year-round resident across most of North and South America, stretching from the Arctic treeline south to the tip of South America.
Ecological Role
Apex nocturnal predator. Regulates populations of rodents, rabbits, and even other birds of prey. High conservation value as an indicator species.
Similar Species
Great Gray Owl (grayer, lacks the warm tan tones), Long-eared Owl (smaller, different barring density), Barred Owl (more uniform horizontal bars).
Interesting Facts
Great Horned Owls have a grip strength of up to 300 psi, comparable to a German Shepherd's bite, used to hunt prey as large as skunks and small deer.
Condition Notes
Good condition. Minor separation of barbs near the edge suggests natural wear or the result of molting (likely a summer molt).