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Canada Goose
Secondary flight feather (remex), likely S2-S6

Canada Goose

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Anseriformes, Family: Anatidae, Genus: Branta, Species: Branta canadensis

Family: Anatidae (Ducks, Geese, and Swans)

Shape
Asymmetrical with a broad, rounded tip and a slightly curved trailing edge; leading edge is significantly narrower than the trailing vane.
Size
Approximately 18-22 cm (7-9 inches) in length; broad width typical of large waterfowl secondaries.
Rarity
Very Common
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Description

Large, iconic waterfowl with a black head and neck and a white 'chinstrap'. The body is mostly brown and tan. This feather is a deep chocolate-brown secondary, crucial for the bird's powerful, rhythmic flight.

Colour & Pattern

Uniform dusky brownish-gray to deep sepia; the vane shows a subtle gradient with a darker, almost blackish trailing edge and a paler grayish-brown hue toward the rachis.

Barb Structure

Densely interlocked pennaceous barbs providing a rigid, wind-resistant surface for flight; base features a well-developed fluffy plumulaceous (downy) section for insulation.

Texture & Surface

Smooth and firm pennaceous vane with a slightly oily/waxy coating for water repellency; the surface has a matte to semi-glossy finish characteristic of aquatic birds.

Key Features

White calamus/rachis base, asymmetrical vane, uniform dark brown/gray coloration, and overall robust size and stiffness suitable for heavy waterfowl flight.

Habitat

Extremely versatile, found in wetlands, ponds, lakes, rivers, grassy fields, urban parks, and golf courses.

Geographic Range

Native to North America; widespread across Canada and the United States, with many populations being year-round residents and others migrating to Mexico.

Ecological Role

Primary grazer of grasses and aquatic plants; serves as a food source for large predators and helps in nutrient cycling between aquatic and terrestrial environments.

Similar Species

Mute Swan (larger, pure white), Mallard (smaller, different colors), or other large geese like the Greater White-fronted Goose (which usually has different tonal variations).

Interesting Facts

Canada Geese undergo a synchronous molt of all flight feathers simultaneously once a year, rendering them flightless for about 20 to 40 days during the summer.

Condition Notes

Excellent condition; the margins are crisp with minimal fraying, suggesting it was recently molted (likely during the summer flightless period).