
Tawny Owl
Kingdom: Animalia; Phylum: Chordata; Class: Aves; Order: Strigiformes; Family: Strigidae; Genus: Strix; Species: Strix aluco
Family: Strigidae (Typical Owls)
- Shape
- Broadly rounded and spatulate with a slightly asymmetrical vane, typical of flight-adjacent body feathers.
- Size
- Approximately 6-8 cm in length. This is consistent with medium-sized wing coverts or larger body contour feathers for a bird of this size.
- Rarity
- Common; the Tawny Owl is the most widespread and numerous owl species in the UK.
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Description
The Tawny Owl is a stocky, wood-pigeon-sized owl with a large rounded head and dark eyes. It is famous for the 'tu-whit tu-whoo' call. Its plumage is a complex mosaic of browns and whites, perfectly mimicking the textures of woodland bark and shadows.
Colour & Pattern
Mottled brown and tawny-grey ground color with distinct, large white spots/blotches. This 'broken' pattern provides excellent camouflage against tree bark. Darker melanin concentrations appear near the rachis.
Barb Structure
Densely pennaceous at the tip with a highly plumulaceous (downy) base. The distal edges show the characteristic 'fringe' or velvet-like texture of an owl feather to dampen sound.
Texture & Surface
Extremely soft and velvety to the touch. The surface has a matte appearance with no iridescence, designed for light absorption and silent flight.
Key Features
The distinctive soft, velvety texture combined with large circular white spots on a grey-brown background are diagnostic for Strix aluco primary coverts.
Habitat
Primary habitat is established broadleaf and mixed woodland, but also found in large gardens, parks, and cemeteries with mature trees.
Geographic Range
Widespread resident across most of Europe (including the UK) and parts of Western Siberia and North Africa. It is a strictly non-migratory species.
Ecological Role
Apex nocturnal predator in UK woodlands, primarily preying on small mammals like bank voles and wood mice. They are vital for pest control.
Similar Species
Long-eared Owl feathers (more elongated with finer barring) and Little Owl feathers (much smaller and more heavily spotted).
Interesting Facts
The Tawny Owl is highly territorial; once a pair establishes a territory, they may never leave it for the rest of their lives.
Condition Notes
Fair to Good. There is some separation of the barbs (splitting) at the base and trailing edge, likely due to naturally occurring wear or the stress of the molt.
Notes
Found in UK woodland