
Great Horned Owl (also Owl of the Woods, Tiger Owl)
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Strigiformes, Family: Strigidae, Genus: Bubo, Species: Bubo virginianus
Family: Strigidae (Typical Owls)
- Shape
- Asymmetrical vane characteristic of flight feathers, with a broad trailing edge and a narrower, slightly curved leading edge. The tip is rounded.
- Size
- Approximately 9-11 inches (23-28 cm). Typical for mid-range primaries of a large owl; compared to typical species range of 8-13 inches for remiges.
- Rarity
- Very Common; one of the most widespread and successful owls in the Americas.
Found a feather like this?
Identify any feather from a photo, free.
Description
A large, powerful owl with prominent ear tufts and a white throat patch. The feather reflects the bird's cryptic camouflage, designed to mimic bark and shadows. This primary feather is engineered for silent, stealthy flight to ambush prey at night.
Colour & Pattern
Mottled charcoal grey and tawny-buff. The feather shows distinct, broad dark banding (bars) against a lighter, vermiculated grey-white background. The rachis is creamy white to light tan.
Barb Structure
Pennaceous throughout the main vane with a velvet-like 'pile' on the dorsal surface. The leading edge features subtle serrations (fimbriae) for silent flight. Base of the feather is plumulaceous (downy).
Texture & Surface
Extremely soft and velvety to the touch. The surface is matte rather than glossy to prevent light reflection. Leading edge feels slightly stiff while the trailing edge is exceptionally soft and fringed.
Key Features
Characteristic 'comb' serrations on the leading edge (fimbriae), velvety dorsal texture, and the distinct mottled grey/buff banding pattern.
Habitat
Extremely diverse; includes deciduous and evergreen forests, swamps, deserts, agricultural areas, and urban parks. High adaptability for nesting in old raptor nests or hollow trees.
Geographic Range
Resident throughout North and South America, ranging from the subarctic tundra of Alaska and Canada to the southern tip of South America. Non-migratory.
Ecological Role
Apex nocturnal predator. They control populations of rodents, skunks, and even other raptors. They are an essential part of the forest food web.
Similar Species
Barred Owl (Strix varia) feathers are more purely brown and white with more defined, even banding; Long-eared Owl feathers are much smaller and more orange-toned.
Interesting Facts
Great Horned Owls have a grip strength of up to 300 psi, capable of severing the spine of large prey. Their 'horns' are actually just feather tufts (plumicorns) and have nothing to do with hearing.
Condition Notes
Good to Fair; shows some minor ruffling of the barbs at the tip and some separation of the lower plumulaceous barbs, likely a naturally molted specimen.