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Mallard, Wild Duck
Contour (Body feather) and Semi-plumes; the largest specimen is a flank or scapular contour feather.

Mallard, Wild Duck

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

Family: Anatidae (Ducks, Geese, and Swans)

Shape
Rounded and broad. The largest feather is oval with a slightly tapered base and a blunt, rounded apex.
Size
The largest feather is approximately 2.5 to 3.5 inches (6-9 cm) in length; small compared to flight remiges but typical for flank contour feathers of a large dabbling duck.
Rarity
Very Common; one of the most abundant and recognizable waterfowl species in the world.
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Description

The Mallard is a large, heavy-bodied dabbling duck. Drakes are famous for their iridescent green heads, yellow bills, and white neck rings, while hens are mottled brown. These feathers represent the subtle 'non-green' parts of the male, specifically the grey flank and various downy underparts used for buoyancy and heat retention.

Colour & Pattern

The primary specimen shows a light-grey base with fine, dark-grey vermiculation or 'peppered' patterning. The smaller dark feather is likely a neck or back contour, and the white feather is a downy breast semi-plume.

Barb Structure

Combined pennaceous and plumulaceous. The top half is tightly interlocked (pennaceous) for water shedding, while the lower half is soft and downy (plumulaceous) for insulation.

Texture & Surface

Smooth and waxy on the upper pennaceous portion (oily for waterproofing); extremely soft and airy at the base. Overall matte appearance.

Key Features

Fine grey vermiculation on the pennaceous portion, broad rounded shape, and a significant downy plumulaceous base are diagnostic for Anatidae contour feathers.

Habitat

Ubiquitous in wetlands, including ponds, lakes, rivers, marshes, and urban parks. Transition easily between freshwater and saltwater estuaries.

Geographic Range

Widespread throughout the Northern Hemisphere (North America, Europe, Asia), and introduced to Australia, New Zealand, and South Africa. Mostly migratory in the north.

Ecological Role

Generalist foragers that serve as a primary link in the wetland food web; they disperse aquatic plant seeds via their digestive tracts and provide a prey base for larger raptors.

Similar Species

Northern Pintail (Anas acuta) - feathers are more elongated; Gadwall (Mareca strepera) - vermiculation is usually coarser and includes more crescent shapes.

Interesting Facts

Mallards are the ancestors of almost all domestic duck breeds. They can fly at speeds up to 55 mph and are known to hybridize with many other duck species, creating unique plumage variations.

Condition Notes

Good condition. The vanes are mostly intact with minor 'splits' near the edges. The downy bases are slightly compressed from being stored in a plastic sleeve.

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