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Eurasian Sparrowhawk (Common Sparrowhawk)
Flight feather (Secondary remex)

Eurasian Sparrowhawk (Common Sparrowhawk)

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Accipitriformes, Family: Accipitridae, Genus: Accipiter, Species: Accipiter nisus

Family: Accipitridae (Hawks, Eagles, and Old World Vultures)

Shape
Broadly rounded tip with a moderately asymmetrical vane, indicating its function for lift within the wing's trailing edge.
Size
Approximately 12-15 cm in length. This is consistent with a mid-to-inner secondary feather from an adult female or large male.
Rarity
Common. One of the most frequently encountered birds of prey within its European and Asian range.
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Description

This is a secondary flight feather from a Eurasian Sparrowhawk. These birds are small, agile raptors with short, broad wings and long tails suited for maneuvering through dense foliage. Adult males have bluish-grey upperparts and orange-barred underparts, while females are larger with brown upperparts and grey barring.

Colour & Pattern

Transverse barring pattern featuring 5-6 distinct dark brown/grey bands against a pale cream to greyish-white background. The bands are slightly wavy and wider on the trailing (inner) vane.

Barb Structure

Mainly pennaceous with tightly interlocked barbs for flight stability; plumulaceous (downy) at the very base for insulation. Barbs are generally intact but show some minor distal fraying.

Texture & Surface

Matte and smooth to the touch. The trailing edge is softer than the leading edge, typical of woodland raptors requiring silent, agile flight.

Key Features

Distinctive 'Accipiter' barring; broad, rounded shape; ivory rachis; size suitable for a medium-sized forest hawk.

Habitat

Deciduous and coniferous woodlands, parklands, and increasingly urban gardens where songbird prey is abundant.

Geographic Range

Widespread across temperate and subtropical regions of the Old World, from Western Europe and North Africa across Asia to Japan. Northern populations are migratory.

Ecological Role

Apex predator of small birds. They play a vital role in regulating songbird populations and act as an indicator of a healthy, complex ecosystem.

Similar Species

Northern Goshawk (Accipiter gentilis) feathers are much larger and sturdier; Common Kestrel (Falco tinnunculus) feathers have more pointed tips and different spotting patterns.

Interesting Facts

Eurasian Sparrowhawks exhibit one of the highest levels of sexual size dimorphism in any bird species; the female can be up to 25% larger and twice as heavy as the male.

Condition Notes

Good condition. The feather shows natural molting wear at the edges but no significant fault bars or parasitic damage from feather lice.