
Canada Goose
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Anseriformes, Family: Anatidae, Genus: Branta, Species: Branta canadensis
Family: Anatidae (Ducks, Geese, and Swans)
- Shape
- Highly asymmetrical with a very narrow leading edge (outer vane) and a broad, curved trailing edge (inner vane); rounded to slightly pointed tip with distinct curvature along the length.
- Size
- Approximately 10 to 12 inches (25-30 cm) in length, which is consistent for a large adult Canada Goose primary.
- Rarity
- Very Common; one of the most widely recognized and abundant waterfowl species in the world.
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Description
This feather belongs to the iconic Canada Goose, a large waterbird with a black head and neck, white 'chinstrap' cheek patch, and a brown body. These feathers facilitate their powerful, V-formation migratory flights. The bird has a wingspan of 50-75 inches and is known for its loud 'honk'.
Colour & Pattern
Solid brownish-black to dark charcoal grey on the dorsal surface; the ventral surface is slightly paler with a matte finish. There is no banding or spotting, which is diagnostic for the species.
Barb Structure
Pennaceous and tightly interlocked throughout the main vane for aerodynamic integrity during flight; plumulaceous (downy) at the very base near the calamus for insulation.
Texture & Surface
Stiff and smooth with a slight oily, water-repellent sheen characteristic of waterfowl. The trailing edge is softer than the rigid leading edge.
Key Features
Large size, dark uniform coloration, stark white/cream calamus, and prominent asymmetry of the vanes indicating a primary wing feather.
Habitat
Highly adaptable; commonly found in wetlands, lakes, rivers, marshes, grain fields, and frequently in urban parks or golf courses near water.
Geographic Range
Native to North America; breeds across Canada and the Northern US and winters throughout much of the United States and Mexico. Introduced and widespread in Europe and New Zealand.
Ecological Role
Primarily herbivores that graze on grasses and grains; they serve as a food source for large predators and help disperse aquatic plant seeds. Their populations are stable and increasing in many areas.
Similar Species
Tundra Swan (larger, usually white), Mute Swan (white), or various large Gulls (typically have white tips or different gray shading). Black Vulture feathers are similar in color but have a different taper and barb texture.
Interesting Facts
Canada Geese often migrate in V-formations to reduce wind resistance for the birds behind the leader. They are known to be extremely territorial during nesting season and will 'hiss' at perceived threats.
Condition Notes
Good condition. There is some minor separation of the barbs near the tip, likely from natural wear or contact with the ground after molting, but the rachis remains structurally sound.