
Mute Swan
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Anseriformes, Family: Anatidae, Genus: Cygnus, Species: Cygnus olor
Family: Anatidae (Ducks, Geese, and Swans)
- Shape
- Elongated and slightly asymmetrical with a rounded tip; the vane is broad and maintains a relatively consistent width before tapering at the apex.
- Size
- Estimated between 10 to 14 inches (25-35 cm) in length. This is consistent with the large wingspan of a swan, which can exceed 7 feet.
- Rarity
- Common (Abundant in many urban and suburban parks, though invasive in some regions of North America).
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Description
A massive, elegant white waterfowl with an orange bill bordered by a black basal knob. They are famous for their 'S' shaped neck and silent flight, though their wings produce a loud rhythmic humming sound.
Colour & Pattern
Pure snowy white across the entire vane. The white is structural, containing no pigment, which is characteristic of adult Mute Swans. There is no banding or spotting.
Barb Structure
The upper portion is tightly interlocked (pennaceous) for flight efficiency, while the base (calamus area) features loose, fluffy plumulaceous barbs for insulation.
Texture & Surface
Smooth and somewhat stiff to the touch. The surface has a natural waxy, waterproof coating characteristic of waterfowl to prevent waterlogging.
Key Features
Large size, pure white color, thick white rachis, and the presence of a distinct plumulaceous base.
Habitat
Found in ponds, slow-moving rivers, lakes, and coastal bays. They prefer shallow water with abundant submerged aquatic vegetation.
Geographic Range
Native to Eurosiberia; widely introduced as an ornamental species in North America, South Africa, and Australasia. Many populations are non-migratory/resident.
Ecological Role
Primary consumer/herbivore; they can significantly impact aquatic vegetation levels. In introduced ranges, they are often considered an invasive species.
Similar Species
Trumpeter Swan (larger, thicker rachis), Tundra Swan (smaller), and Great Egret (much thinner, more delicate rachis and lighter structure).
Interesting Facts
Mute Swans are not actually mute; they hiss and snort. They are one of the heaviest flying birds in the world, with males occasionally exceeding 30 pounds.
Condition Notes
Good condition. There is slight fraying at the tip, likely from contact with water or vegetation, but the vane remains largely intact.