
Great Horned Owl (also known as Tiger Owl or Hoot Owl)
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Strigiformes, Family: Strigidae, Genus: Bubo, Species: B. virginianus
Family: Strigidae (Typical Owls)
- Shape
- Broadly rounded and spatulate; symmetrical vane with a blunt, soft tip.
- Size
- Approximately 4-5 inches in length; width is broad, typical of body plumage for this large raptor.
- Rarity
- Common; one of the most widespread and successful raptors in North America.
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Description
The Great Horned Owl is a heavy-bodied raptor with distinctive 'ear tufts' and a white throat patch. This feather displays the salt-and-pepper mottled camouflage that allows these nocturnal predators to disappear against tree bark during the day.
Colour & Pattern
Mottled brown, dusky grey, and buff-tan; features irregular horizontal barring and 'vermiculation' (worm-like markings) characteristic of camouflage plumage.
Barb Structure
Plumulaceous (downy) at the base for insulation, transitioning to a soft pennaceous structure; extremely fine fimbriae (velvety fringe) present to dampen sound.
Texture & Surface
Velvety, soft, and matte; the surface is covered in micro-structures that reduce friction and allow for silent flight and movement.
Key Features
Soft, velvety texture; irregular dark brown barring on a buff background; downy base; absence of a stiff, shiny surface.
Habitat
Extremely versatile; found in deciduous and evergreen forests, swamps, desert scrub, and suburban backyards or city parks.
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; controls populations of rodents, rabbits, and even other birds of prey. Considered a generalist hunter.
Similar Species
Barred Owl feathers are similar but typically show more distinct, cleaner horizontal bars and a cooler grey tone without as much buff-tan mottling.
Interesting Facts
Great Horned Owls can apply up to 300 pounds per square inch of pressure with their talons and are known to prey on skunks because they have a poor sense of smell.
Condition Notes
Good condition; minor dirt/debris visible near the calamus; barbs are mostly intact indicating a relatively fresh molt.
Notes
Backyard; Washington state, Sammamish area