
Great Horned Owl (Tiger Owl, Hoot Owl)
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Strigiformes, Family: Strigidae, Genus: Bubo, Species: Bubo virginianus
Family: Strigidae (Typical Owls)
- Shape
- Broadly rounded tip with moderate asymmetry between the leading and trailing vanes; slightly curved longitudinally.
- Size
- Estimated 7-9 inches in length. Standard for secondary feathers which usually range 6-10 inches in mature adults.
- Rarity
- Common and widespread, though feathers are often hidden in thickets or at roosting sites.
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Description
This is a secondary flight feather from a Great Horned Owl, a powerful apex predator. The bird itself is large with prominent 'ear' tufts, yellow eyes, and a white throat patch. The feather's complex barring provides perfect camouflage against tree bark.
Colour & Pattern
Mottled grayish-brown and buff with distinct dark horizontal bars (4-5 visible). Highly cryptic 'salt and pepper' pattern with warm tawny undertones.
Barb Structure
Pennaceous with a specialized velvety pile on the dorsal surface; leading edge exhibits fimbriae (comblike fringes) for silent flight; plumulaceous at the base near the calamus.
Texture & Surface
Extremely soft and velvety to the touch ('silent flight' adaptation); matte finish with no iridescence; provides a muffled sound profile during movement.
Key Features
Velvety surface pile, fimbriated (serrated) leading edge for sound dampening, and distinct dark transverse bars on a buff/gray background.
Habitat
Highly adaptable; found in deciduous and evergreen forests, swamps, deserts, agricultural areas, and urban parks.
Geographic Range
Extensively distributed throughout North and South America, from the subarctic tree line to the tip of South America. Permanent resident in most areas.
Ecological Role
Apex predator; controls rodent and lagomorph populations. They are ecological indicators of habitat health and compete with Red-tailed Hawks for nesting sites.
Similar Species
Barred Owl feathers (starker, more uniform barring) and Long-eared Owl feathers (smaller and more slender).
Interesting Facts
Great Horned Owls are capable of taking down prey larger than themselves, including other raptors and skunks, the latter because owls have a very poor sense of smell.
Condition Notes
Good condition; shows moderate wear at the tip and some separation of the lower plumulaceous barbs. No visible fault bars or parasite damage.