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Tawny Owl (Brown Owl)
Primary or Secondary Flight Feather (Remige)

Tawny Owl (Brown Owl)

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Strigiformes, Family: Strigidae, Genus: Strix, Species: S. aluco

AI-generated identification · may be incorrect

Family: Strigidae (Typical Owls)

Shape
Symmetrical to slightly asymmetrical vane, rounded tip, with velvety fringes along the leading edge characteristic of owls
Size
Approximately 7 to 9 inches long, consistent with a medium-sized owl flight feather, matching the typical wing structure of Strix aluco
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Description

The Tawny Owl is a stocky, medium-sized nocturnal woodland owl with a rounded head, no ear tufts, and dark eyes. It is known for its haunting hooting calls and stealthy predatory habits, hunting small mammals and birds primarily from perches.

Colour & Pattern

Rich warm brown and tawny background with striking irregular white and dark brown transverse bars or chevrons across both vanes

Barb Structure

Pennaceous vane with specialized velvety, comb-like micro-structures on the barbules that dampen sound for silent flight; intact but showing minor wear along the edges

Rachis & Barb Pattern

Strong, slightly curved central rachis, dark brown at the base fading to lighter tones, with dense barbs extending at a moderate angle

Texture & Surface

Soft, velvety texture with a matte finish designed for silent flight, lacking the glossy stiffness found in diurnal raptors

Feather Placement

Wing covert or secondary flight feather, determined by the broad shape, rounded tip, and distinctive barred pattern

Key Features

Distinctive barred pattern of warm brown and white chevron markings coupled with the soft, velvety texture characteristic of nocturnal raptors

Habitat

Woodlands, deciduous and mixed forests, parks, and large gardens across temperate regions

Geographic Range

Widespread throughout Europe, extending eastward across the Palearctic to western Siberia and parts of Central Asia

Ecological Role

Apex nocturnal predator acting as a key controller of rodent and small mammal populations within forest ecosystems

Similar Species

Long-eared Owl (Asio otus) and Short-eared Owl (Asio flammeus), distinguished by sharper barring and different habitat preferences

Interesting Facts

Tawny Owls have asymmetrical ear openings hidden beneath their facial discs, allowing them to pinpoint the exact location of prey in total darkness through sound alone

Cultural Significance

Associated with wisdom, mystery, and night in folklore; historically used in educational collections and natural history displays

Field Identification Tips

Look for molted feathers near ancient tree cavities or roosting sites in mature deciduous woodlands during late spring and summer

Condition Notes

Good condition with minor fraying along the upper vane edges, showing natural wear from use