
Great Horned Owl (also known as 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
- Highly asymmetrical vane with a broad trailing edge and a narrow leading edge; rounded tip with significant emargination on the inner vane.
- Size
- Estimated 25–32 cm (10–12.5 inches) in length. This is consistent with the primary feathers of a large female Great Horned Owl.
- Rarity
- Common and widespread throughout its range, though rarely seen during the day due to nocturnal habits and camouflage.
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Description
A magnificent large owl with prominent ear tufts and a white throat patch. The feather reflects its apex predator status, designed for silent, lethal flight.
Colour & Pattern
Mottled brown and tawny-buff with distinct dark chocolate-brown transverse bands (approx. 7-9 bars visible). Underlying base is a warm cream-ochre.
Barb Structure
Densely pennaceous with specialized velvety 'fimbriae' (soft pile) on the dorsal surface and a comb-like fringed leading edge to dampen sound.
Texture & Surface
Incredibly soft, velvety, and 'woolly' to the touch. The leading edge features a stiff comb-like fringe to break up air turbulence for silent flight.
Key Features
Velvety surface pile, fringed leading edge for noise reduction, and heavy dark-on-buff transverse banding pattern.
Habitat
Extremely versatile; found in deciduous and coniferous forests, deserts, urban parks, agricultural areas, and rocky canyons.
Geographic Range
Widespread throughout the Americas, from the subarctic tree line in Alaska and Canada south to the tip of South America.
Ecological Role
Top-tier nocturnal predator. Important for controlling rodent and skunk populations. They do not build their own nests, often stealing them from hawks.
Similar Species
Long-eared Owl (smaller, different banding), Snowy Owl (whiter, less brown), or Barred Owl (shorter, more rounded with cleaner white bands).
Interesting Facts
The Great Horned Owl has a grip strength of up to 300 psi, comparable to a German Shepherd's bite, allowing it to kill prey larger than itself.
Condition Notes
Fair to Good. Visible fraying (separation of barbs) in the proximal half of the inner vane suggests it was a naturally molted feather or subject to wind wear.