
Great Horned Owl (Hoot Owl, Tiger Owl)
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Strigiformes, Family: Strigidae, Genus: Bubo, Species: Bubo virginianus
Family: Strigidae (Typical Owls)
- Shape
- Symmetrical vane with a rounded tip, broadly oval to oblong overall outline, featuring soft, modified barb margins characteristic of silent-flight adaptations.
- Size
- Approximately 4 to 5 inches long and 1.5 inches wide, consistent with a large body or flank contour feather of a Great Horned Owl.
- Rarity
- Very Common and widespread across its natural range, regularly encountered by observers despite its nocturnal habits.
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Description
The Great Horned Owl is a powerful, heavily built apex nocturnal predator recognized by its prominent ear tufts, large yellow eyes, and deep hooting calls. It possesses an exceptionally broad diet and is capable of taking prey much larger than itself.
Colour & Pattern
Rich tawny-brown background heavily barred with dark brown and black horizontal transverse stripes. The rachis is pale yellowish-white at the base transitioning to brownish near the tip.
Barb Structure
Partially plumulaceous with exceptionally soft, velvety, and frayed-appearing barbules near the edges that lack traditional hooklets, providing sound-dampening qualities; base has a small downy afterfeather.
Texture & Surface
Extremely soft, velvety, and matte-surfaced with no glossy sheen. The specialized fringe-like barbules create a silent, tactile feel designed to muffle aerodynamic noise.
Key Features
Distinctive bold dark brown barring against a warm tawny and buff background, combined with the velvety, noise-dampening fringe typical of strigid contour feathers.
Habitat
Incredibly adaptable, found in deciduous and evergreen forests, deserts, swamps, tundra edges, agricultural areas, and urban parks.
Geographic Range
Widespread throughout the Americas, ranging from the sub-arctic regions of North America down through Central America and deep into South America.
Ecological Role
Serves as a top nocturnal apex predator, naturally regulating populations of small to medium-sized mammals and birds, including rodents and rabbits.
Similar Species
Barred Owl (Strix varia) and Short-eared Owl (Asio flammeus), which feature similar brown-and-buff barring but differ in exact scale, fringe texture, and shade.
Interesting Facts
Great Horned Owls are among the earliest nesting birds in North America, often beginning incubation in January or February while snow is still on the ground.
Condition Notes
Good condition with minor wear along the distal barbs, completely intact rachis, and no evidence of active parasite damage or severe sun bleaching.