
Great Horned Owl (Tiger Owl, Hoot Owl)
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Strigiformes, Family: Strigidae, Genus: Bubo, Species: Bubo virginianus
Family: Strigidae (Typical Owls)
- Shape
- Broadly rounded with a blunt tip; slightly asymmetrical with a curved leading edge (outer vane) and a wider trailing edge (inner vane).
- Size
- Approximately 7 to 9 inches (18-23 cm) in length. This is consistent with the secondary feathers of a large adult owl within the typical species range.
- Rarity
- Common; one of the most widespread and successful birds of prey in the Americas.
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Description
The Great Horned Owl is a large, powerful raptor known for its prominent ear tufts and deep, resonating hoots. This feather reflects the owl's camouflaged plumage, designed to blend into bark and shadows. The bird itself has a wingspan of 3 to 5 feet and is a fierce nocturnal predator.
Colour & Pattern
Mottled brown, tan, and creamy white. Features broad, irregular dark brown horizontal bars interspersed with buff/tawny bands. The underside is noticeably paler and more muted than the dorsal surface.
Barb Structure
Densely pennaceous throughout most of the vane but with a distinctive velvet-like pile (fimbria) on the surface; leading edge features a comb-like fringe (flutings) to reduce turbulence.
Texture & Surface
Extremely soft, silky, and velvet-like. This specialized 'muffled' surface is an evolutionary adaptation for silent flight, absorbing sound frequencies during wing beats.
Key Features
Soft velvet-like pile on the surface, comb-like 'fimbriae' on the leading edge (if zoomed in), and the characteristic broad, dark brown and buff barring unique to large American owls.
Habitat
Highly adaptable; found in deciduous and evergreen forests, swamps, deserts, agricultural areas, and even suburban parks.
Geographic Range
Year-round resident throughout most of North America, from the Arctic treeline south through Central America and parts of South America.
Ecological Role
Top-tier nocturnal predator; plays a vital role in controlling populations of rodents, rabbits, and even other birds of prey.
Similar Species
Long-eared Owl feathers are smaller and more finely barred; Barred Owl feathers lack the tawny/buff tones and are more grey-brown and white.
Interesting Facts
The 'horns' of the Great Horned Owl are not ears but merely tufts of feathers. These owls have a crushing power in their talons of up to 500 PSI, enough to break the spine of large prey.
Condition Notes
Good condition; showing minor wear at the tip and some separation of the barbs at the base (calamus area). No obvious fault bars or parasite damage visible.