
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
- Asymmetrical vane with a broad, rounded tip and a slightly curved outline
- Size
- Estimated 7-9 inches (18-23 cm) in length, consistent with the inner secondaries of a large Bubo species
- Rarity
- Common (Widespread and adaptable, though feathers are often hidden in dense roosts)
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Description
A robust owl with prominent 'ear tufts' and a white throat patch. The feather reflects the bird's cryptic plumage designed to Blend into tree bark.
Colour & Pattern
Mottled brown, tan, and cream-colored banding; 'vermiculated' pattern (fine, wavy lines) interspersed with broader horizontal dark bars
Barb Structure
Distinctly soft with plumulaceous (downy) base; pennaceous barbs possess specialized velvety 'fringe' or 'flutings' on the edges for silent flight
Texture & Surface
Extremely soft, velvety, and matte; lacks the stiff gloss of diurnal raptor feathers to facilitate silent hunting
Key Features
Velvety texture, fine vermicular mottling, characteristic transverse bars, and 'fimbriae' (fringed edges) for noise reduction
Habitat
Extremely diverse: forests, deserts, subarctic tundra, urban parks, and agricultural areas
Geographic Range
Common throughout North and South America, from the tree line in the Arctic to the tip of South America; largely a non-migratory resident
Ecological Role
Apex nocturnal predator; controls rodent, rabbit, and smaller bird populations; essential for ecosystem balance
Similar Species
Long-eared Owl (smaller, more distinct stripes); Barred Owl (more consistent horizontal barring, less mottling)
Interesting Facts
Great Horned Owls can apply up to 300 psi of pressure with their talons and are known to hunt prey as large as skunks and small porcupines.
Condition Notes
Good condition; minor ruffling at the trailing edge, suggesting a naturally molted feather rather than one lost during a struggle