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Canada Goose
Secondary Flight Feather (Remex)

Canada Goose

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

Family: Anatidae (Ducks, Geese, and Swans)

Shape
Slightly asymmetrical with a rounded tip; the inner vane is wider than the outer vane, typical of secondary feathers which provide lift.
Size
Approximately 7 to 9 inches (18–23 cm) in length. This is consistent with the mid-range for a large Branta species secondary feather.
Rarity
Very Common; one of the most widely recognized and abundant waterfowl species in the Northern Hemisphere.
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Description

A large, iconic waterfowl with a black head and neck, white cheek patches, and a brownish-gray body. They are famous for their 'V' flight formations and loud honking calls. This feather reflects their robust, hardy nature, built for both long-distance migration and aquatic life.

Colour & Pattern

Dull brownish-gray to charcoal on the vanes. The dorsal surface shows faint light edging at the tip. The base of the feather transitions into a striking white or cream-colored downy section near the calamus.

Barb Structure

The distal portion is pennaceous with tightly interlocked barbs for wind resistance, while the proximal base features a significant amount of white, fluffy plumulaceous (downy) barbs for insulation.

Texture & Surface

The surface is matte and slightly stiff to the touch, with a somewhat oily, water-repellent quality common in waterfowl. The leading edge is firm while the trailing edge is softer.

Key Features

Large size, brownish-gray coloration, distinctively thick white rachis, and the prominent white downy puff at the base.

Habitat

Found in a variety of habitats near water, including lakes, ponds, bays, marshes, and urban areas like parks, golf courses, and agricultural fields.

Geographic Range

Native to Arctic and temperate regions of North America; widely introduced to Europe, New Zealand, and South America. Northern populations are strongly migratory.

Ecological Role

Primary grazers that influence plant community structure. They serve as prey for large predators and contribute to nutrient cycling in wetlands.

Similar Species

Greylag Goose (Anser anser) feathers are similar but often lighter or more mottled; Mute Swan (Cygnus olor) feathers are much larger and entirely white.

Interesting Facts

Canada Geese are known for their strong mate fidelity, often remaining together for life. They are also highly adaptable to human environments, sometimes becoming year-round residents in suburban areas.

Condition Notes

Good condition; the vanes are mostly intact with minor fraying at the edges. The presence of the downy base suggests this was naturally molted recently.