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Red Kite
Outer Rectrices (Tail feathers)

Red Kite

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Accipitriformes, Family: Accipitridae, Genus: Milvus, Species: Milvus milvus

Family: Accipitridae (Hawks, Eagles, and Old World Vultures)

Shape
Asymmetrical, elongated, and slightly tapered towards the tip. The inner vane is significantly broader than the outer vane, which is characteristic of the outer feathers in a deeply forked tail.
Size
Approximately 18-24 cm in length. The width of individual feathers is roughly 4-6 cm. This size is typical for the outer tail feathers (R5-R6) of an adult Red Kite.
Rarity
Uncommon to Locally Common. While once nearly extinct in several regions, conservation reintroduction programs have successfully increased their numbers, making them a more frequent sight in specific areas like Wales and the Chilterns.
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Description

The Red Kite is a medium-large raptor known for its incredible agility and deeply forked tail. Adult birds have a reddish-brown body with pale grey heads. In flight, they are unmistakable due to their long, flexible wings with white 'hand' patches and the constant twisting of their forked tail to steer while gliding.

Colour & Pattern

The feathers display a striking bicolored pattern: a warm, rusty-brown or rufous-buff on the outer vane and distal portion, transitioning to a clean white or pale cream on the inner vane near the base. Faint dark subterminal barring may be present but is subtle.

Barb Structure

Tightly interlocked and pennaceous throughout most of the vane to provide aerodynamic stability, with a small plumulaceous section at the base for insulation. Hooklets are well-developed.

Texture & Surface

Smooth, stiff, and somewhat glossy on the upper surface. The texture is engineered for high-performance gliding, with leading edges feeling quite rigid and trailing edges slightly more flexible.

Key Features

Distinctive white and rufous-brown bicoloration, white rachis, and the specific asymmetry associated with a forked tail rectrix. The lack of heavy banding distinguishes it from many other Buteo or Accipiter species.

Habitat

Open woodlands, farmlands, and pastures with scattered trees. They require tall trees for nesting but prefer open country for hunting and scavenging.

Geographic Range

Primarily across Europe and Northwest Africa. Majority of the population is resident in Western Europe (e.g., UK, Spain, Germany), with some eastern populations migrating south for winter.

Ecological Role

Primarily a scavenger and opportunistic predator. They play a vital role in cleaning up carrion from the landscape. They are often viewed as an 'umbrella species' for conservation efforts in rural landscapes.

Similar Species

Black Kite (Milvus migrans) feathers are generally darker and lack the bright rufous tones. Common Buzzard (Buteo buteo) feathers are more heavily barred and have a different shape, as buzzards have rounded rather than forked tails.

Interesting Facts

Red Kites are famous for collecting unusual items for their nests, including scraps of fabric, plastic, and even underwear. Shakespeare even warned in 'The Winter's Tale' to watch your linen when the kite builds.

Condition Notes

The feathers appear to be in Good to Excellent condition, likely representing fresh molted specimens. Little evidence of wear or sun-bleaching is present, and the barbs are mostly intact without significant fault bars.

Notes

glänas field