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Eurasian Kestrel (also known as the Common Kestrel or Old World Kestrel)
Primary flight feather, likely one of the outer primaries (P7-P9)

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

Family: Falconidae (Falcons and Caracaras)

Shape
Asymmetrical vane with a gently rounded tip, elongated outline, and distinct tapering towards the distal end
Size
Approximately 4 to 5 inches long, consistent with a small falcon flight feather
Rarity
Very Common and widespread throughout its natural range
Learn more about Eurasian Kestrel (also known as the Common Kestrel or Old World Kestrel) in the encyclopedia →

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Description

The Eurasian Kestrel is a small falcon known for its characteristic hovering hunting style, chestnut-brown back with black spots, and grey head and tail in males. It is an agile aerial hunter that preys primarily on small mammals and insects.

Colour & Pattern

Distinctive dark brown and pale buff or greyish-white barring across a dark slate-grey base, featuring dark tips and alternating light bands

Barb Structure

Pennaceous vane with tightly interlocked barbs and barbicels, possessing a sturdy yet flexible structure and a small plumulaceous tuft at the base

Texture & Surface

Smooth, stiff, and somewhat glossy on the dorsal surface, designed to withstand high aerodynamic pressure during flight

Key Features

Distinctive alternating dark and pale barring, compact size, asymmetric vane structure typical of small raptors

Habitat

Open country, agricultural land, scrubland, moorland, cliffs, and urban areas

Geographic Range

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

Ecological Role

Acts as an important apex predator for small rodents and insects, helping to naturally regulate agricultural pest populations

Similar Species

American Kestrel (Falco sparverius) and Merlin (Falco columbarius), distinguished primarily by geographic range and subtle differences in barring patterns and size

Interesting Facts

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

Condition Notes

Good condition with minor wear at the extreme tip, barbs mostly intact, no obvious fault bars or parasite damage