
Great Horned Owl (Northern Great Horned Owl, Hoot Owl)
Kingdom: Animalia; Phylum: Chordata; Class: Aves; Order: Strigiformes; Family: Strigidae; Genus: Bubo; Species: Bubo virginianus
Family: Strigidae (Typical Owls)
- Shape
- Highly asymmetrical with a very narrow outer vane and a broad inner vane; pointed tip; distinct emargination on the inner vane characteristic of large raptors.
- Size
- 38cm (approximately 15 inches). This is at the upper maximum size limit for the species, suggesting a large female from a northern population.
- Rarity
- Common; one of the most widespread and successful owls in the Americas.
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Description
A massive, powerful owl with prominent ear tufts and piercing yellow eyes. Its plumage is a complex mosaic of gray, brown, and buff designed for camouflage against tree bark. In flight, it has broad, rounded wings and a short tail; vocalization is a deep, rhythmic series of hoots.
Colour & Pattern
Tawny ochre base with bold, dark brown/black transverse banding; outer vane features mottling (vermiculation); ventral side is paler than dorsal surface; dark terminal band at the tip.
Barb Structure
Pennaceous and tightly interlocked with a specialized velvety soft texture (fimbriae/flutings) on the leading edge and dorsal surface for silent flight; plumulaceous at the extreme base.
Texture & Surface
Distinctively soft and velvety; matte finish avoids light reflection; the leading edge feels serrated or 'comb-like' to the touch to break up air turbulence.
Key Features
38cm length; velvety 'silent flight' texture; bold dark banding on an ochre base; extreme asymmetry of the vanes.
Habitat
Extremely versatile; found in deciduous and evergreen forests, swamps, deserts, agricultural areas, and urban parks; nests in old raptor nests, cavities, or on cliff ledges.
Geographic Range
Year-round resident across North and South America, ranging from the Arctic treeline south to the Straits of Magellan.
Ecological Role
Apex predator; controls populations of rodents, skunks, and other birds; highly adaptable 'generalist' hunter.
Similar Species
Eurasian Eagle-Owl (larger, darker orange tones); Snowy Owl (lacks tawny ochre, predominantly white/black); Great Gray Owl (wider tail feathers, different banding consistency).
Interesting Facts
The Great Horned Owl has a gripping force of up to 500 psi in its talons, enough to crush the skull of a rabbit; they are one of the few predators that regularly hunt skunks because they have a poor sense of smell.
Condition Notes
Good to Excellent. The vanes are mostly intact with minor 'zipper' separation toward the base; little evidence of sun bleaching or feather lice damage.
Notes
38cm long