
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).