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Mallard (Wild Duck)
Contour body feather (speculum covert or flank feather)

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 gently rounded tip, broad and oval outline.
Size
Approximately 3 inches long and 1 inch wide, consistent with a medium body or covert feather from a duck.
Rarity
Very Common
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Description

The Mallard is the most familiar and abundant wild duck in the world. Drakes feature a brilliant green head, yellow bill, white collar, and chestnut-brown chest, while females are a mottled brownish camouflage. Their feathers are specially adapted with waterproof oils for an aquatic lifestyle.

Colour & Pattern

Rich grayish-brown base with a striking iridescent metallic blue-green (teal) patch along the edge, produced by structural coloration.

Barb Structure

Pennaceous upper vane with tightly interlocked barbicels, transitioning to a plumulaceous (fluffy downy) base near the calamus.

Texture & Surface

Smooth, glossy, and slightly oily/water-repellent texture on the pennaceous vane, with a soft, fluffy downy base.

Key Features

Distinctive metallic blue-green iridescence bordered by brownish-gray contour structure.

Habitat

Wetlands, marshes, lakes, ponds, rivers, agricultural fields, and urban parks with open water.

Geographic Range

Widespread across temperate and subtropical North America, Europe, Asia, and introduced to parts of the Southern Hemisphere including Australia and New Zealand.

Ecological Role

Acts as an important seed disperser for aquatic plants, part of the aquatic food web, and a key bioindicator of wetland health.

Similar Species

American Black Duck and Northern Pintail, whose body and covert feathers can appear similar but lack the vibrant blue-green speculum markings.

Interesting Facts

Mallards are the primary ancestor of nearly all domestic duck breeds. Their famous 'quack' is exclusively produced by females; drakes emit a much quieter, raspy sound.

Condition Notes

Good condition with intact barbs and minimal wear, showing natural coloration and structural integrity.