
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 outer (leading) vane and a wide inner (trailing) vane; elongated and slightly curved with a rounded tip.
- Size
- Approximately 10 to 12 inches (25-30 cm) in length; consistent with typical adult primary feathers for this large waterfowl species.
- Rarity
- Very Common; one of the most widespread and easily recognizable birds in North America.
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Description
These are the primary flight feathers of a Canada Goose, a large waterbird with a distinctive black head and neck and a white chinstrap. The feathers are designed for long-distance migration, capable of supporting a bird that can weigh up to 14 pounds. The dark brownish-gray coloration is perfectly suited for camouflage while on the nest or resting on water.
Colour & Pattern
Dull dark brown to charcoal-gray on the upper surface with a slight matte sheen; the underside is a lighter, silvery-gray. The rachis (shaft) is notably pale or creamy white toward the base, turning darker toward the tip.
Barb Structure
Tightly pennaceous and interlocked for aerodynamic efficiency; features a thickened, rigid leading edge to withstand air pressure during flight; plumulaceous (fluffy) downy barbs are visible at the very base near the calamus.
Texture & Surface
Stiff and smooth with a waxy, water-repellent coating common in waterfowl. The leading edge is extremely rigid, while the trailing vane is more flexible.
Key Features
Large size, extreme asymmetry of the vanes, thick white calamus/rachis base, and uniform dark brown/gray coloration without banding or spots.
Habitat
Extremely versatile: found in wetlands, lakes, rivers, marshes, and increasingly in urban parks, golf courses, and agricultural fields.
Geographic Range
Native to North America, breeding from the Arctic to the southern US; widely introduced to Europe, New Zealand, and parts of Asia. Migratory patterns vary from long-distance to resident urban populations.
Ecological Role
Primary grazers that help cycle nutrients in wetlands; they serve as a major food source for large predators and are a key indicator of water quality in urban environments.
Similar Species
Mute Swan (larger, pure white), Wild Turkey (distinctly barred with white/tan), or Black Vulture (more rounded, different rachis structure).
Interesting Facts
Canada Geese fly in a V-formation to reduce wind resistance for the birds behind the leader; they are known for their monogamous 'mate for life' social structure.
Condition Notes
Good condition; the barbs are mostly intact though there is slight fraying at the tips and edges, suggesting these were natural molts found late in the season.