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Mute Swan (White Swan)
Contour or secondary flight feather

Mute Swan (White Swan)

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

Family: Anatidae (Ducks, Geese, and Swans)

Shape
Symmetrical vane with a rounded tip, broad outline
Size
Approximately 7 to 9 inches long, consistent with a medium-to-large body or secondary wing contour feather from a large waterfowl species.
Rarity
Common and widely distributed due to widespread introductions and adaptation to urban and suburban parks.
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Description

The Mute Swan is a majestic and massive waterfowl species recognized by its pure white plumage, graceful curved neck, and vibrant orange bill with a black knob at the base. Adults are among the heaviest flying birds, with powerful wings adapted for strong, rhythmic flight accompanied by a characteristic loud humming or throbbing wingbeat.

Colour & Pattern

Pure white across the majority of the vane, with notable warm golden-brown or buff-colored staining concentrated near the rounded tip, likely due to iron-rich water or mud exposure.

Barb Structure

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

Texture & Surface

Smooth and firm along the pennaceous upper section with a soft, downy texture at the base. Matte finish with natural water-repellent properties.

Key Features

Large size, pure white coloration, robust white rachis, and the distinctive fluffy plumulaceous base typical of large aquatic birds.

Habitat

Found in temperate freshwater and brackish wetlands, lakes, ponds, slow-moving rivers, and coastal bays with abundant aquatic vegetation.

Geographic Range

Native to temperate regions of Eurasia. Widely introduced globally, including established feral and resident populations throughout North America, Australia, and New Zealand.

Ecological Role

Herbivorous grazers that feed on submerged aquatic vegetation, helping to control plant growth in wetlands. They can sometimes overgraze local vegetation and compete with native waterfowl.

Similar Species

Trumpeter Swan (Cygnus buccinator) and Tundra Swan (Cygnus columbianus). Distinguishing individual white body feathers can be challenging, though overall size and context usually aid identification.

Interesting Facts

Despite their name, Mute Swans are not actually silent; they produce a variety of snorting, huffing, and hissing sounds, especially when defending territory or cygnets.

Condition Notes

Good condition with intact barbs, though showing distinct environmental staining (buff/brown discoloration) at the tip from water or mud contact.