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Great Horned Owl (also known as Tiger Owl or Hoot Owl)
Secondary Flight Feather (Remex); likely from the mid-wing section (S3-S6).

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
Broad and symmetrical to slightly asymmetrical; rounded tip with a wide vane. The leading edge (outer vane) features characteristic fimbriae or 'comb-like' serrations for silent flight.
Size
Estimated 8 to 10 inches (20-25 cm) in length and 2 to 2.5 inches in width. This is consistent with the secondary feathers of a large Bubo species.
Rarity
Common; it is the most widely distributed owl in North America, though its nocturnal nature and camouflage make feathers found in the wild a special discovery.
Learn more about Great Horned Owl (also known as Tiger Owl or Hoot Owl) in the encyclopedia →

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Description

This feather represents one of the most powerful predators of the night. Great Horned Owls are massive birds with prominent ear tufts, deep yellow eyes, and a wingspan of up to 5 feet. Their plumage is a masterclass in camouflage, mimicking tree bark. In flight, they are nearly silent due to the specialized micro-structure of feathers like this one.

Colour & Pattern

Bold horizontal banding (barring) of dark soot-brown to charcoal against a mottled background of tawny-buff and cream. The underside of the feather is significantly paler and more muted. The light bands show fine 'salt and pepper' speckling.

Barb Structure

Densely pennaceous with a velvety, plumulaceous (downy) base and surface coating. The barbs are specifically evolved to be soft and muffled, lacking the sharp, clicking 'velcro' sound of other raptors.

Texture & Surface

Incredibly soft, velvety, and matte. The dorsal surface has a specialized 'velour' texture (pilary cover) that dampens sound. It feels significantly less 'waxy' or 'slick' than a hawk or duck feather.

Key Features

Wide rounded tip, bold dark brown horizontal bars, velvety 'hirsute' surface texture, and light tawny/buff background color.

Habitat

Extremely versatile; found in deciduous and evergreen forests, swamps, deserts, agricultural areas, and suburban parks. They require high perches for hunting and sheltered nesting sites.

Geographic Range

Widely distributed throughout North and South America, from the subarctic tree line in the north to the southern tip of South America. Most populations are non-migratory permanent residents.

Ecological Role

Apex predator; controls populations of rodents, skunks, and even other birds of prey. They are vital for maintaining the balance of nocturnal ecosystems.

Similar Species

Barred Owl (Strix varia) feathers are similar but generally smaller, less tawny (more grey-brown), and lack the heavy velvety coating of the Great Horned Owl. Long-eared Owl feathers are much narrower.

Interesting Facts

Great Horned Owls have a bite pressure of up to 500 PSI, similar to a German Shepherd. Their silent flight is so effective that they can fly over sensitive microphones without being detected.

Condition Notes

Good condition; the distal end shows minor wear/fraying, common in older feathers post-molting. No obvious fault bars (nutritional stress lines) or parasite damage are visible.