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Mallard (Wild Duck)
Secondary flight feather (speculum 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
Relatively broad and rectangular with a slightly curved, rounded tip; mostly symmetrical vane typical of secondaries.
Size
Approximately 8-10 cm (3-4 inches) in length; consistent with the secondary feathers of a mid-sized dabbling duck.
Rarity
Very Common; one of the most abundant and recognizable waterfowl species globally.
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Description

This is a signature speculum feather from a Mallard. The Mallard is a large dabbling duck where the male (drake) has a green head and yellow bill, and the female is mottled brown. They are famous for their adaptable behavior and loud quacking.

Colour & Pattern

Strikingly bicolored with an iridescent cobalt blue to violet-purple distal half, a distinct black subterminal band, and a crisp white terminal tip. The proximal part is grayish-brown.

Barb Structure

Densely interlocked pennaceous barbs on the distal portion to maintain an airtight wing surface; plumulaceous (downy) at the base for insulation.

Texture & Surface

Smooth, firm, and oily. The iridescent section has a glossy, metallic sheen, while the white tip is matte and soft. The feather is notably waterproof.

Key Features

The combination of iridescent blue-violet coloration, a black border, and a broad white tip is diagnostic for Anas platyrhynchos.

Habitat

Found in almost any wetland habitat, including lakes, ponds, rivers, marshes, and urban park ponds like Wicksteed Park.

Geographic Range

Widespread across the Northern Hemisphere; resident and migratory populations throughout Europe, North America, and Asia.

Ecological Role

Dabbling ducks act as important seed dispersers and are a primary prey source for large raptors and mammalian predators.

Similar Species

American Black Duck (darker blue, no white leading edge), Teal species (typically smaller with green speculums), Gadwall (white and black speculum).

Interesting Facts

Mallards are the ancestors of almost all domestic duck breeds. Their iridescent wing patch helps individuals recognize each other during flight and courtship.

Condition Notes

The feather appears to be in good condition with minor fraying at the base; likely a naturally molted feather (post-breeding molt).

Notes

Wicksteed park

Mallard (Wild Duck) | Feather Identifier