
Rook (also known as Eurasian Rook or Common Rook)
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Passeriformes, Family: Corvidae, Genus: Corvus, Species: Corvus frugilegus
Family: Corvidae (Crows, Jays, and Magpies)
- Shape
- Symmetrical vane with a rounded tip, typical of body contour feathers found on the mantle or breast.
- Size
- Approximately 2 to 3 inches long, consistent with a medium-sized corvid body contour feather.
- Rarity
- Very Common within its natural European and Asian range.
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Description
The Rook is a gregarious, intelligent black bird belonging to the crow family. It features all-black plumage glossed with brilliant purple-blue highlights, a distinctive pale greyish-white bare skin patch around the base of the adult's bill, and a slender, pointed bill adapted for probing soil for invertebrates.
Colour & Pattern
Uniform glossy black with striking purplish-blue and violet structural iridescence under direct sunlight, typical of adult rook plumage.
Barb Structure
Pennaceous at the upper exposed tip with tightly interlocked barbicels, transitioning to a semiplumulaceous or plumulaceous, soft, fluffy base.
Texture & Surface
Smooth, glossy, and silky with a high sheen; firm along the upper vane and soft and fluffy near the base.
Key Features
Intense blue-purple metallic iridescence on solid black background, characteristic of adult corvid contour feathers, paired with a soft fluffy base.
Habitat
Agricultural lands, open countryside, pastures, cultivated fields, and occasionally open woodlands and parks.
Geographic Range
Palearctic distribution, spanning across temperate Europe and across the Palearctic to eastern Siberia and parts of Asia.
Ecological Role
Acts as an important agricultural regulator by consuming large quantities of pest insects, grubs, and weed seeds.
Similar Species
Carrion Crow (Corvus corone) and Common Raven (Corvus corax); distinguishing corvid feathers requires close attention to exact size, gloss tint, and structural proportions.
Interesting Facts
Rooks are exceptionally intelligent tool users and problem solvers, known for complex social structures and forming massive communal roosts in winter.
Condition Notes
Good condition with intact barbs and minimal fraying or sun bleaching visible.