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Great Horned Owl (also known as Tiger Owl or Hoot Owl)
Primary flight feather (Remiges), likely P4-P6

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
Asymmetrical vane with a broad, rounded tip and a distinct notch (emargination) on the leading edge to reduce noise.
Size
Estimated 22-26 cm in length and 5-7 cm in width; consistent with the large size of a Great Horned Owl primary flight feather.
Rarity
Common; one of the most widespread and successful raptors in the Americas.
Learn more about Great Horned Owl (also known as Tiger Owl or Hoot Owl) in the encyclopedia →

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Description

A large, powerful owl with prominent ear tufts and yellow eyes. This feather reflects its apex predator status, designed for absolute silence.

Colour & Pattern

Mottled grey-brown base with 5-7 distinct dark brown transverse bands; features "salt and pepper" speckling between bands for camouflage.

Barb Structure

Pennaceous and tightly interlocked with a specialized velvety fringe (fimbriae) on the leading edge and a downy surface to dampen sound.

Texture & Surface

Soft, velvety, and matte; the surface is covered in a hairy piling that eliminates the sound of air rushing over the wing.

Key Features

Velvety 'comb' on the leading edge, distinct dark banding, and heavy mottling; larger and darker than Long-eared Owl feathers.

Habitat

Extremely versatile: found in deciduous and evergreen forests, swamps, deserts, subalpine fields, and urban parks.

Geographic Range

Year-round resident throughout North and South America, from the subarctic tree line to the southern tip of Argentina.

Ecological Role

Top-tier nocturnal predator; controls populations of rodents, skunks, and other birds. Considered an indicator of ecosystem health.

Similar Species

Barred Owl (cleaner bands, less mottling) and Long-eared Owl (noticeably smaller and narrower).

Interesting Facts

Their grip strength can exceed 300 psi, comparable to a German Shepherd's bite, and they are one of the few predators of skunks.

Condition Notes

Good; shows some minor separation of barbs (splits) and slight wear at the tip, suggesting a naturally molted feather.