
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.