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Great Horned Owl
Secondary Flight Feather (Remex)

Great Horned Owl

Kingdom: Animalia; Phylum: Chordata; Class: Aves; Order: Strigiformes; Family: Strigidae; Genus: Bubo; Species: Bubo virginianus

Family: Strigidae (Typical Owls)

Shape
Broad and rounded with an asymmetric vane typical of large owls. The trailing edge is significantly wider than the leading edge.
Size
Approximately 18–22 cm (7–8.5 inches) long, which falls within the standard range for a mid-tier secondary flight feather of a mature Great Horned Owl.
Rarity
Common; one of the most widespread and successful raptors in the Americas.
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Description

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

Colour & Pattern

Mottled brown, tan, and cream camouflage. Features distinct horizontal dark brown barring and 'vermiculation' (fine, wavy lines) characteristic of Bubo species.

Barb Structure

Densely pennaceous with specialized velvety 'fimbriae' (hair-like barbules) that dampen sound; lower base transition to plumulaceous down.

Texture & Surface

Silky, soft, and velvety to the touch. It lacks the 'clipping' sound of most bird feathers due to the sound-muffling fringed edges.

Key Features

Soft fringed edges ('comb' or 'fimbriae'), heavy dark barring, and a matte, velvety texture that eliminates shine and sound.

Habitat

Extremely adaptable: forests, deserts, subarctic tundra, city parks, and agricultural areas.

Geographic Range

Year-round resident throughout North and South America, excluding the high Arctic and deep Amazonian rainforest.

Ecological Role

Apex predator; controls populations of rodents, rabbits, and other birds. Highly tolerant of human-altered landscapes.

Similar Species

Long-eared Owl (smaller, different barring) and Barred Owl (cleaner horizontal bars and lighter base color).

Interesting Facts

Great Horned Owls have a crushing grip strength of over 300 psi and are one of the only regular predators of skunks, as they have a poor sense of smell.

Condition Notes

Fair to Good. Significant wear and splitting (vane separation) at the tip and edges, likely due to UV exposure or environmental friction before molting.