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Great Horned Owl (Bubo virginianus)
Flight feather (Secondary remige)

Great Horned Owl (Bubo virginianus)

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

Family: Strigidae (Typical Owls)

Shape
Broad, slightly asymmetrical vane with a rounded tip and characteristic soft, velvety fringe on the leading edge for silent flight
Size
Approximately 8-10 inches long, consistent with a medium-to-large secondary flight feather for this species
Rarity
Common
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Description

A magnificent and adaptable apex nocturnal predator, the Great Horned Owl is easily recognized by its prominent ear tufts, large yellow eyes, and deep hooting calls. This feather showcases the specialized evolutionary adaptations that allow the owl to hunt silently in total darkness.

Colour & Pattern

Muted earth tones with alternating bands of dark brown, grayish-brown, and pale buff or cream, designed for camouflage

Barb Structure

Pennaceous vane with specialized velvety, comb-like fringes on the barbules that absorb sound and eliminate aerodynamic noise

Texture & Surface

Remarkably soft, velvety, and matte in texture due to specialized micro-structures on the barbules designed for silent flight

Key Features

Soft velvety texture, muted brown and buff barred patterning, and specialized comb-like leading-edge barbules designed for silent flight

Habitat

Extremely adaptable, inhabiting deciduous, coniferous, and mixed forests, deserts, wetlands, tundra, and urban or agricultural areas

Geographic Range

Widespread throughout the Americas, ranging from the Arctic tree line down through South America

Ecological Role

Acts as a top apex nocturnal predator helping to regulate populations of rodents, rabbits, skunks, and other small-to-medium mammals

Similar Species

Barred Owl (Strix varia) and Short-eared Owl (Asio flammeus), distinguished by different barring patterns and lighter or more streaked coloration

Interesting Facts

Great Horned Owls possess tremendous crushing foot pressure of up to 500 psi, comparable to the bite force of an adult large dog, and they are primary users of abandoned nests built by other large birds like hawks and eagles.

Condition Notes

Good condition with minor wear along the lower vanes, intact rachis, and no severe structural breakage