
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
- Asymmetrical with a narrower outer vane and wider inner vane. Notable emargination on the leading edge (outer vane) and a rounded tip.
- Size
- Approximately 9 to 11 inches in length (23-28 cm). Typical Great Horned Owl primaries range from 20-30 cm depending on the specific wing position.
- Rarity
- Common and widespread, though rarely seen due to its nocturnal habits and excellent camouflage.
Found a feather like this?
Identify any feather from a photo, free.
Description
This feather is from one of the most powerful and adaptable raptors in the Americas. The Great Horned Owl is a large, bulky bird with prominent ear tufts, a white throat patch, and deep yellow eyes. Its plumage is a complex mosaic of brown, gray, and black designed for invisibility during the day.
Colour & Pattern
Mottled grayish-brown and buff-white. The outer vane shows distinct dark brown blocky spotting or barring on a lighter background. The inner vane exhibits more diffuse, marbled gray and white patterning. The overall tone is camouflaged, designed to blend with tree bark.
Barb Structure
Pennaceous throughout most of the vane but with a distinct velvet-like (fimbriate) upper surface. The leading edge features a diagnostic comb-like fringe (serrae) to reduce flight noise. Base of the feather shows some plumulaceous (downy) barbs.
Texture & Surface
Extremely soft and velvety to the touch. It has a matte finish with no iridescence. The specialized 'fluff' on the surface and the serrated leading edge are designed to break up air turbulence for silent flight.
Key Features
Velvety texture for silent flight, comb-like serrations on the leading edge, and a robust, asymmetrical shape with distinct brown and buff mottling.
Habitat
Extremely versatile, found in deciduous and evergreen forests, swamps, orchards, agricultural areas, urban parks, and desert canyons.
Geographic Range
Resident throughout North and South America, from the subarctic tree line in Alaska and Canada south to the tip of South America. They are non-migratory.
Ecological Role
Top-tier nocturnal predator. They control populations of rodents, rabbits, and even other birds of prey. Their presence indicates a healthy, diverse ecosystem.
Similar Species
Long-eared Owl feathers (shorter, narrower) and Barred Owl feathers (more regular, clean horizontal barring without as much fine mottling).
Interesting Facts
Great Horned Owls have a grip strength of over 300 pounds per square inch, comparable to a Golden Eagle. They are one of the few predators that regularly hunt skunks, as they have a very poor sense of smell.
Condition Notes
The feather appears in Good condition with some minor wear at the tip and slight separation of the barbs near the base (haggard). No obvious fault bars or parasite damage are visible.