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Mute Swan (White Swan)
Contour body feather / secondary covert

Mute Swan (White Swan)

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Anseriformes, Family: Anatidae, Genus: Cygnus, Species: C. olor

AI-generated identification · may be incorrect

Family: Anatidae (Ducks, Geese, and Swans)

Shape
Symmetrical vane with a gently rounded tip and a curved, elegant outline.
Size
Approximately 6 to 8 inches long, consistent with a large body or covert feather from a swan.
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Description

A pristine, snowy-white feather from the Mute Swan, one of the world's largest waterfowl. The bird is famous for its majestic curved neck, orange bill with a black knob, and aggressive territorial behavior.

Colour & Pattern

Pure snowy white throughout, featuring a bright white rachis. Lacks any pigmentation, relying purely on structural light scattering and lack of melanin.

Barb Structure

Pennaceous upper vane transitioning into a fluffy plumulaceous (downy) base with a distinct afterfeather (aftershaft). Barbs are well-interlocked and intact.

Rachis & Barb Pattern

Central rachis is robust, clean white, slightly flattened, and flexible. Barbs are densely packed, angled closely to the rachis.

Texture & Surface

Smooth, silky, and naturally water-resistant due to preen oil. Matte appearance with soft, flexible vanes.

Feather Placement

Body contour feather, likely from the breast, flank, or upper wing covert, determined by the fluffy base and curved pennaceous tip.

Key Features

Pristine white color, large size for a body feather, strong white rachis, and the characteristic fluffy plumulaceous base.

Habitat

Found in temperate regions on large freshwater lakes, ponds, slow rivers, and sheltered coastal bays.

Geographic Range

Native to temperate Europe and Asia, introduced and locally naturalized in North America, Australia, and other regions.

Ecological Role

As large herbivores, Mute Swans feed on submerged aquatic vegetation, helping to shape aquatic plant communities and nutrient cycling in wetlands.

Similar Species

Tundra Swan (Cygnus columbianus) and Trumpeter Swan (Cygnus buccinator), though body contour feathers are nearly indistinguishable without genetic testing or context.

Interesting Facts

Mute swans are largely silent compared to other swan species, but they make various snorting, grunting, and hissing sounds, and the vibration of their wings in flight produces a loud humming noise.

Cultural Significance

Swan feathers have historically been used for quill pens, traditional arrow fletching, and millinery. Mute swans are featured prominently in fairy tales such as The Ugly Duckling.

Field Identification Tips

Look near water bodies frequented by large waterfowl, wetlands, and lakeshores where swans preen or molt.

Condition Notes

Excellent condition with clean barbs, no visible wear, fading, or parasitic damage.

Mute Swan (White Swan) | Feather Identifier