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Mute Swan
Semiplume or Downy Contour

Mute Swan

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

Family: Anatidae (Ducks, Geese, and Swans)

Shape
Symmetrical, broad, and oval-shaped with an elongated, loosely structured vane.
Size
Approximately 3.5 to 4.5 inches in length; typical for large waterfowl body plumage.
Rarity
Very Common (abundant and widespread in wetland habitats).
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Description

A large, iconic waterfowl with a pure white plumage, long S-shaped neck, and orange bill with a black knob. Cygnets are often grey.

Colour & Pattern

Pure white with no banding or iridescence; the rachis is translucent to white. Both sides are identical in color.

Barb Structure

Plumulaceous (downy); long, flexible barbs that lack interlocking hooklets, creating a fluffy texture.

Texture & Surface

Extremely soft, silky, and warm to the touch; matte appearance without gloss or oiliness.

Key Features

Pure white color, large size, and almost entirely plumulaceous (downy) structure throughout the length of the feather.

Habitat

Lakes, slow-moving rivers, ponds, and coastal marshes. Often found in urban parks and residential waterways.

Geographic Range

Native to Eurasia; widely introduced and established throughout North America and Oceania. Resident in most areas.

Ecological Role

Herbivorous consumer that can influence aquatic plant communities; sometimes considered invasive due to competition with native species.

Similar Species

Trumpeter Swan (Cygnus buccinator) or Tundra Swan (Cygnus columbianus); distinguished by bill color on the bird, feathers are nearly identical.

Interesting Facts

Mute Swans are known for their lifelong pair bonds and their aggressive defense of their nests and young.

Condition Notes

Excellent; appears freshly molted with no visible parasitic damage or heavy wear.

Notes

Hare arms

Mute Swan | Feather Identifier