
Great Horned Owl (Northern/Subarctic variant possible regarding paleness)
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Strigiformes, Family: Strigidae, Genus: Bubo, Species: Bubo virginianus
Family: Strigidae (Typical Owls)
- Shape
- Asymmetrical vane typical of flight feathers; the leading edge (outer vane) is significantly narrower than the trailing edge (inner vane). The tip is rounded and shows slight emargination characteristic of raptorial birds.
- Size
- Approximately 9-11 inches (23-28 cm) in length, consistent with the outer primaries of a large owl. Width across the mid-vane appears to be roughly 1.5-2 inches.
- Rarity
- Common. Great Horned Owls are the most widely distributed large owl in North America and are frequently heard or seen (at dusk) in the Bend area.
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Description
This feather belongs to one of the most powerful nocturnal predators in North America. The Great Horned Owl is a large, bulky bird with prominent ear tufts and piercing yellow eyes. Its wingspan reaches up to 5 feet. In flight, it is nearly silent, a feat enabled by the specialized structure of feathers exactly like this one, which break up air turbulence. Plumage is usually mottled brown, grey, and black, but individual feathers—especially from the underwing—can appear much lighter.
Colour & Pattern
Predominantly pale grey to off-white with faint, ghost-like horizontal barring. The base is more distinctly white. This pale coloration is typical for the ventral (underside) of the primary or representative of lighter color morphs found in the Pacific Northwest and northern latitudes.
Barb Structure
The feather exhibits a 'velvety' or 'fringed' surface with softened barbules that reduce turbulence during flight. Pennaceous structure throughout most of the vane, with plumulaceous (downy) barbs concentrated at the base (superior umbilicus). The leading edge has a distinct comb-like serration (fimbriae).
Texture & Surface
Soft, silky, and matte. Unlike a hawk's feather which is stiff and glossy, this feather is designed for silent flight. It feels 'hairy' or mossy to the touch due to specialized barbules that dampen sound.
Key Features
Asymmetrical vane for flight, velvety texture for sound dampening, comb-like serrations on the leading edge, and faint grey barring on a pale ground color.
Habitat
Extremely varied: found in coniferous and deciduous forests, high deserts (common around Bend, Oregon), canyons, and even urban parks or residential areas with large trees.
Geographic Range
Resident throughout North and South America, from the Arctic tree line south to the Straits of Magellan. In Oregon, they are year-round residents in almost every terrestrial habitat.
Ecological Role
Apex nocturnal predator. They control populations of rodents, rabbits, and even other birds of prey. Their presence indicates a healthy, functioning ecosystem with a robust prey base.
Similar Species
Snowy Owl (Bubo scandiacus) feathers are much whiter with bolder black spots. Barn Owl (Tyto alba) feathers are smaller, more golden/tawny, and have a more slender shape. Red-tailed Hawk (Buteo jamaicensis) flight feathers lack the velvety texture and serrated edges.
Interesting Facts
Great Horned Owls have a crushing power in their talons of up to 500 PSI, which is comparable to the bite of a large dog. They are also one of the few predators that regularly hunt skunks, as they have a very poor sense of smell.
Condition Notes
Fair to Good. There is significant fraying at the tip and along the trailing edge (vanes splitting), which likely indicates this was a naturally molted feather that has been exposed to the elements or significant use prior to shedding.
Notes
In Bend, Oregon