
Eurasian Sparrowhawk (Northern Sparrowhawk)
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Accipitriformes, Family: Accipitridae, Genus: Accipiter, Species: Accipiter nisus
AI-generated identification · may be incorrectFamily: Accipitridae (Hawks, Eagles, and Kites)
- Shape
- Symmetrical to slightly asymmetrical, elongated with a gently rounded tip, featuring clear, transverse dark barring.
- Size
- Approximately 5 to 7 inches long, consistent with a medium-sized raptor tail feather, matching the typical proportions of a female Eurasian Sparrowhawk.
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Description
A classic raptor tail feather displaying striking dark brown and pale barring. The Eurasian Sparrowhawk is a small, agile ambush predator with short rounded wings and a long tail designed for high-speed woodland navigation.
Colour & Pattern
Rich chocolate-brown or slate-grey base with distinct, evenly spaced pale greyish-white or buff transverse bars across both vanes, creating a classic raptor tail-banding pattern.
Barb Structure
Tightly interlocked pennaceous structure with strong barbs and barbules featuring functional hooklets, providing aerodynamic stability. No prominent afterfeather.
Rachis & Barb Pattern
Sturdy, central cream-to-brown rachis that is slightly convex on the upper surface and ridged underneath. Barbs are densely packed and angled uniformly along the shaft.
Texture & Surface
Smooth, firm, and matte in appearance with a stiff, resilient vane designed to withstand high winds and friction during flight maneuvers.
Feather Placement
Tail (rectrix), determined by the rigid structure, symmetrical shape, and characteristic alternating dark and light barred pattern typical of raptor tail feathers used for steering.
Key Features
Distinct alternating dark brown and pale greyish-white transverse bars, elongated symmetrical shape, and stiff pennaceous barbs characteristic of an Accipiter rectrix.
Habitat
Woodlands, forests, forest edges, agricultural land with scattered trees, parks, and suburban gardens.
Geographic Range
Widespread across temperate and subtropical parts of the Palearctic realm, including Europe, Asia, and parts of North Africa.
Ecological Role
Acts as an apex avian predator in woodland ecosystems, helping to regulate small bird populations and maintain ecological balance.
Similar Species
Eurasian Kestrel (Falco tinnunculus) or Cooper's Hawk (Accipiter cooperii), though distinguished by specific bar width, proportions, and geographic distribution.
Interesting Facts
Female Eurasian Sparrowhawks are significantly larger than males—a classic case of reverse sexual size dimorphism in raptors, allowing them to hunt larger prey.
Cultural Significance
Historically used in falconry and revered by indigenous cultures, though strictly protected today under modern wildlife legislation.
Field Identification Tips
Look near woodland perches, roosting sites, or pluck posts where raptors consume prey, particularly during the late summer molt season.
Condition Notes
Good condition with intact barbs and minimal fraying at the tip, showing a healthy, fully grown feather.