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Great Horned Owl (also known as Tiger Owl or Hoot Owl)
Semiplume / Contour body feather transitions (Downy body feather)

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
Broadly ovate with an elongated tip; highly symmetrical vane outline with very soft, tapered edges.
Size
Estimated 2.5 to 3.5 inches in length. This is standard for a semiplume insulation feather from the breast or flank of a large owl.
Rarity
Common; one of the most widespread and successful raptors in North America.
Learn more about Great Horned Owl (also known as Tiger Owl or Hoot Owl) in the encyclopedia →

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Description

A magnificent large owl with prominent ear tufts and yellow eyes. This white downy feather reflects the bird's thick under-plumage used for silent flight and winter warmth. The bird is famous for its deep 'hoo-h'hoo-hoo-hoo' call.

Colour & Pattern

Brilliant white base with a single, distinct dark brownish-gray subterminal spot/band at the very tip. The rachis is white and translucent.

Barb Structure

Predominantly plumulaceous (downy) for insulation, transitioning to a small pennaceous section at the tip. Barbs are extremely fine and lacks tight interlocking to increase air trapping.

Texture & Surface

Extremely soft, silky, and downy. The surface lacks the stiffness of flight feathers, designed for maximum softness and heat retention.

Key Features

Pure white downy structure with a distinctive dark 'thumbprint' or spot at the tip; extreme softness characteristic of Strigiformes.

Habitat

Highly adaptable: deciduous and evergreen forests, swamps, desert scrub, agricultural areas, and suburban backyards (like Conroe, Texas).

Geographic Range

Year-round resident across most of North America from the Arctic tree line south through Central and parts of South America.

Ecological Role

Apex nocturnal predator; controls populations of rodents, skunks, and even other birds of prey.

Similar Species

Barn Owl (Tyto alba) feathers are similar but often show more peppering or different spotting; Barred Owl (Strix varia) down is usually more uniformly buff or grayish.

Interesting Facts

Great Horned Owls can exert over 300 pounds per square inch of pressure with their talons, enough to sever the spine of large prey.

Condition Notes

Fair to Good. The feather shows some clumping and minor separation of the barbs near the calamus, likely molted naturally.

Notes

In our backyard, Conroe, Texas