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Tundra Swan (Whistling Swan)
Contour or Inner Secondary flight feather

Tundra Swan (Whistling Swan)

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

AI-generated identification · may be incorrect

Family: Anatidae (Ducks, Geese, and Swans)

Shape
Broadly elliptical with a rounded tip and a slightly asymmetrical vane; the base is largely plumulaceous (downy).
Size
Estimated 18–22 cm in length. This is consistent with a secondary or large body contour feather from a large waterfowl species.
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Description

A large, elegant white waterfowl with a black bill usually featuring a small yellow spot. These birds are known for their high-pitched, whistling calls during flight.

Colour & Pattern

Uniformly white/creamy white. The brownish staining at the tip is external environmental soiling (mud/tannins) rather than natural pigmentation.

Barb Structure

Tight, pennaceous structure at the distal end for water repellency, transitioning into a very long, loose plumulaceous (downy) base for insulation.

Rachis & Barb Pattern

Thick, white, rigid rachis that tapers toward the tip. Barbs are densely packed and angled acutely toward the shaft.

Texture & Surface

Smooth and somewhat waxy at the tip; extremely soft, silky, and voluminous at the downy base. Water-resistant finish.

Feather Placement

Likely a large body contour feather from the flank or back, or an inner secondary feather, given the broad shape and substantial downy base.

Key Features

Large size, pure white color, and a very deep, fluffy plumulaceous section that occupies nearly half of the feather length.

Habitat

Arctic tundra during breeding; large lakes, bays, estuaries, and flooded agricultural fields during wintering and migration.

Geographic Range

Breeds in the Arctic; migrates across North America to winter on the Atlantic and Pacific coasts and the Chesapeake Bay region.

Ecological Role

Herbivorous consumer of aquatic vegetation; serves as an indicator species for wetland health and climate change impacts in the Arctic.

Similar Species

Trumpeter Swan (larger rachis), Mute Swan (feather often more curved), or Snow Goose (smaller overall).

Interesting Facts

Tundra Swans can fly at altitudes of up to 27,000 feet during migration to take advantage of high-altitude winds.

Cultural Significance

Swan feathers were historically used for high-quality quill pens and down for insulation in bedding and clothing.

Field Identification Tips

Look for these in late summer at molting sites or in wintering wetlands. The sheer volume of down at the base is a hallmark of large waterfowl.

Condition Notes

Fair to Good. The feather shows significant environmental staining (browning) and some separation of the barbs at the base, likely a naturally molted specimen.