
Great Horned Owl (also 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
- Broad and somewhat rectangular with a rounded tip; exhibit slight asymmetry between the inner and outer vanes.
- Size
- Approximately 18-22 cm (7-9 inches) in length; consistent with mid-rank secondary feathers of an adult Great Horned Owl.
- Rarity
- Common; one of the most widespread and successful birds of prey in the Americas.
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Description
This feather belongs to the Great Horned Owl, a massive, powerful raptor known for its distinctive ear tufts and deep hooting. The feather's tawny and chocolate-brown banding mimics tree bark, allowing the bird to remain invisible during the day while roosting. These owls are apex predators, often called the 'tigers of the air'.
Colour & Pattern
Mottled ochre-buff base with distinct, dark brown transverse bars. Detailed 'vermiculation' (fine wavy lines) is present between major bands, providing excellent camouflage.
Barb Structure
Densely pennaceous with specialized plumulaceous (fluffy) fringes. Note the velvet-like pile on the surface and the fimbriae (comb-like leading edge) designed for silent flight.
Texture & Surface
Incredibly soft and velvety to the touch. The surface has a matte appearance due to 'pennulum' extensions that dampen sound, lacking any glossy iridescence.
Key Features
Wide transverse dark bands, buffy/ochre background, and characteristic 'velvet' texture on the vane surface.
Habitat
Extremely versatile; found in deciduous and evergreen forests, swamps, deserts, subalpine fields, and urban parks/orchards.
Geographic Range
Year-round resident across North and South America, ranging from the subarctic tundra of Canada to Tierra del Fuego.
Ecological Role
Apex predator that controls populations of rodents, skunks, and even other birds of prey. Their presence indicates a healthy, diverse food web.
Similar Species
Long-eared Owl feathers (narrower, more orange), Barred Owl feathers (cleaner white/brown contrasts, lacks the rich ochre), and Great Gray Owl feathers (primarily gray/silver tones).
Interesting Facts
The Great Horned Owl has a grip strength of up to 500 psi—enough to crush the spine of large prey. Their 'horns' are not ears at all, but simply tufts of feathers called plumicorns.
Condition Notes
Fair to Good. Shows significant fraying and separation of barbs along the edges, likely due to natural wear or being a molted specimen exposed to the elements.