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Tawny Owl
Flight feather (secondary or inner primary)

Tawny Owl

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

Family: Strigidae (Typical Owls)

Shape
Broadly rounded tip with moderate asymmetry between the leading and trailing vanes; slightly curved profile typical of a wing feather.
Size
Estimated length between 14-18 cm, which is consistent with the secondary feathers of an adult Tawny Owl.
Rarity
Common within its range, though rarely seen during the day due to strictly nocturnal habits.
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Description

A medium-sized owl with a stocky build and a large, rounded head lacking ear tufts. It has dark eyes and mottled brown or grey plumage that provides perfect camouflage against tree bark.

Colour & Pattern

Alternating thick horizontal bands of dark chocolate brown and pale buff/off-white. The dark bands are slightly wider than the light ones, appearing mottled rather than solid.

Barb Structure

Pennaceous through the main vane with a soft, velvet-like 'fimbriae' or fringe on the leading edge to muffle sound; plumulaceous (donwy) base for insulation.

Texture & Surface

Extremely soft, velvety, and matte. The lack of gloss is a specialized adaptation for silent flight, reducing air turbulence noise.

Key Features

Velvety texture for silent flight, distinct chocolate-and-cream barring, and a fringed leading edge (comblike fimbriae).

Habitat

Deciduous and mixed forests, parks, and suburban gardens with plenty of mature trees for nesting in hollows.

Geographic Range

Resident across most of Europe and parts of Western Asia and North Africa; generally non-migratory.

Ecological Role

Apex nocturnal predator that controls rodent populations including voles, mice, and rats; occasionally eats small birds and amphibians.

Similar Species

Long-eared Owl feathers (narrower, more orange tones) and Eurasian Buzzard feathers (similar color but stiffer, glossier, and lacking the velvet texture).

Interesting Facts

Tawny Owls are highly territorial and are the birds responsible for the classic 'tu-whit tu-whoo' call, which is actually a duet between a male and a female.

Condition Notes

The feather appears freshly molted; the vanes are mostly intact though some minor separation (riffling) is visible at the trailing edge near the base.