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Eurasian Kestrel (also known as the Common Kestrel or Old World Kestrel)
Contour feather or secondary covert, likely from the upper wing or back region

Eurasian Kestrel (also known as the Common Kestrel or Old World Kestrel)

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Falconiformes, Family: Falconidae, Genus: Falco, Species: Falco tinnunculus

AI-generated identification · may be incorrect

Family: Falconidae (Falcons and Caracaras)

Shape
Symmetrical to slightly asymmetrical vane with a rounded tip and a slightly tapered overall outline, typical of body or protective upperwing contour feathers.
Size
Approximately 3 to 4 inches long, matching the typical scale of a medium-sized contour or wing covert feather for a small falcon.
Learn more about Eurasian Kestrel (also known as the Common Kestrel or Old World Kestrel) in the encyclopedia →

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Description

A striking small falcon known for its characteristic hovering flight style while hunting insects and small rodents. Females and juveniles display heavy dark barring across a warm rufous-brown back and wing feathers.

Colour & Pattern

Rich rufous-brown background with bold, dark brown to black transverse bars and spots, typical of the upperparts of a female or juvenile Eurasian Kestrel.

Barb Structure

Tightly interlocked pennaceous upper portion with a semiplume or downy base near the calamus, good structural integrity with intact barbs and tiny hooklets.

Rachis & Barb Pattern

Central rachis is slender, white to pale cream, flexible yet sturdy, with tightly spaced barbs extending at a moderate angle, showing clear dark barring across the vanes.

Texture & Surface

Smooth, firm pennaceous vane on the distal half transitioning to a soft, fluffy plumulaceous texture near the base, matte appearance.

Feather Placement

Upper wing covert or scapular contour feather, determined by the stiff pennaceous upper web and soft downy basal section.

Key Features

Distinctive warm rufous-brown base color paired with sharp, dark transverse bars; small size; pale flexible rachis; and rounded contour feather shape.

Habitat

Open country, agricultural land, scrublands, moorlands, semi-deserts, and urban edges where sparse vegetation allows for easy spotting of small prey.

Geographic Range

Widespread across Europe, Asia, and Africa, with some northern populations migrating south for the winter.

Ecological Role

Acts as a primary avian predator controlling rodent and large insect populations, serving as an important indicator of grassland and agricultural ecosystem health.

Similar Species

American Kestrel (Falco sparverius), which has similar rufous and black patterning but is native to the Americas and often shows slate-blue head or wing markings in males.

Interesting Facts

Eurasian Kestrels have exceptional eyesight and can see ultraviolet light, allowing them to track the urine trails left by voles and mice in the grass.

Cultural Significance

Historically used in European falconry for novice falconers (often referred to as a bird for ladies in medieval texts); feathers occasionally used in traditional fly-tying.

Field Identification Tips

Look for small raptor feathers displaying distinct dark bars on a reddish-brown background, typically found near open fields, cliff ledges, or old farm buildings.

Condition Notes

Good condition, fresh appearance with minimal wear on the barbs and a clean, intact rachis.

Eurasian Kestrel (also known as the Common Kestrel or Old World Kestrel) | Feather Identifier