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Mallard (Wild Duck)
Contour body feather / secondary covert

Mallard (Wild Duck)

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Anseriformes, Family: Anatidae, Genus: Anas, Species: A. platyrhynchos

Family: Anatidae (Ducks, Geese, and Swans)

Shape
Symmetrical vane with a rounded tip, moderately broad and elongated outline.
Size
Approximately 4 to 5 inches long, typical for a medium-to-large body or covert feather of a dabbling duck.
Rarity
Very Common
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Description

The Mallard is the most familiar and abundant wild duck in the world. Drakes feature iconic glossy green heads, yellow bills, and chestnut breasts, while females are mottled brown. They are strong fliers and highly adaptable to human-modified environments.

Colour & Pattern

Dark brownish-grey base with a striking metallic green and blue iridescence along the outer edge, showcasing structural coloration.

Barb Structure

Pennaceous upper portion with tightly interlocked barbicels, transitioning into a slightly plumulaceous (fluffy) base with a small, rudimentary afterfeather.

Texture & Surface

Smooth, glossy, and water-repellent surface with a firm yet flexible vane, characteristic of waterfowl plumage.

Key Features

Striking metallic green-blue structural iridescence along the edge, contrasting with a brownish-grey vane and a pale white rachis.

Habitat

Wetlands, marshes, lakes, ponds, rivers, and agricultural fields across various temperate and subtropical zones.

Geographic Range

Widespread across the Northern Hemisphere including North America, Europe, Asia, and introduced to parts of the Southern Hemisphere.

Ecological Role

Acts as an important seed disperser for aquatic plants and serves as a major food source for various avian and mammalian predators.

Similar Species

American Black Duck (Anas rubripes) and Northern Pintail (Anas acuta), which lack the bright metallic green speculum-associated iridescence found in Mallards.

Interesting Facts

Mallards are the ancestors of almost all domestic duck breeds. Their specialized uropygial gland produces oil that they meticulously preen into their feathers for waterproofing.

Condition Notes

Good condition with intact barbs and minimal wear, suggesting a relatively fresh molt.