
Canada Goose
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Anseriformes, Family: Anatidae, Genus: Branta, Species: Branta canadensis
Family: Anatidae (Ducks, Geese, and Swans)
- Shape
- Broad and slightly asymmetrical with a rounded-to-blunt tip. The vane is wide, typical of waterbirds that require significant surface area for lift or steering.
- Size
- Approximately 18-22 cm (7-9 inches) in length. This is consistent with a primary or large secondary feather from a medium to large-sized goose.
- Rarity
- Very Common. One of the most widespread and easily recognized waterfowl in the Northern Hemisphere.
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Description
This is a sturdy flight feather from a Canada Goose. The bird itself is large with a black head and neck, a distinctive white 'cheek strap', and a brownish-grey body. They are known for their 'honking' calls and V-formation flight patterns. This feather's uniform dark color and robust white shaft are classic markers of the species.
Colour & Pattern
Solid charcoal-grey to brownish-black. The color is uniform across the vane, with a slightly lighter, paler greyish-tan towards the base. There is no banding or spotting, which is a key diagnostic for this species.
Barb Structure
Tightly interlocked pennaceous barbs throughout most of the vane for waterproofing and wind resistance; some plumulaceous (downy) barbs near the base of the calamus for insulation.
Texture & Surface
The surface is matte and slightly oily to the touch, providing essential water-repellent properties. The vane is stiff and durable, designed for heavy use.
Key Features
Solid dark grey/black coloration, absence of patterns, thick white rachis, and large broad shape typical of a heavy-bodied waterfowl.
Habitat
Temperate regions near water sources, including lakes, ponds, bays, marshes, and increasingly common in urban parks, golf courses, and agricultural fields.
Geographic Range
Native to North America, breeding across Canada and the northern USA, and wintering as far south as Mexico. It has been widely introduced to Europe, New Zealand, and South America.
Ecological Role
Primarily a herbivore, they play a role in seed dispersal and grazing. They are a prey species for large raptors and mammalian predators, and their presence is often an indicator of water quality in local parks.
Similar Species
American Black Duck (darker, different size), Mute Swan (whiter), or Turkey Vulture (different rachis color and silver sheen on underside).
Interesting Facts
Canada Geese are famous for their migratory V-formation, which allows the birds to reduce wind resistance for those behind the leader. They are also known to mate for life and are highly protective of their nests and goslings.
Condition Notes
Fair to Good. The feather shows significant wear at the tip and some 'splitting' (separation of barbs) along the edges, likely due to environmental exposure or the bird's preening habits before molting.