
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 vane typical of flight feathers, with a rounded to slightly pointed tip. The trailing vane is significantly wider than the leading vane, providing lift and thrust during flight.
- Size
- Approximately 18-22 cm (7-9 inches) in length. This matches the standard size for an adult Canada Goose secondary feather, which is shorter and more rounded than the primary flight feathers.
- Rarity
- Very Common. One of the most widespread and easily recognizable waterfowl in the Northern Hemisphere.
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Description
A large, heavy-bodied waterfowl with a long black neck, distinctive white 'chinstrap' cheek patches, and a brownish-grey body. The feather reflects this drab but functional coloration, designed for durability and flight efficiency. They are known for their V-formation flight patterns and loud honking calls.
Colour & Pattern
Solid dark brownish-grey to charcoal black on the distal portion of the vane. The base of the vane transitions into a lighter grayish-white or tan. The underside (ventral surface) is typically lighter and more silvery-grey than the dorsal surface. No banding or spots are present.
Barb Structure
Tightly interlocked pennaceous barbs through most of the vane for aerodynamic integrity and water resistance. The basal area shows a small amount of downy, plumulaceous barbs near the superior umbilicus (top of the quill).
Texture & Surface
Smooth, stiff, and somewhat oily to the touch. The surface has a slight waxy sheen, an adaptation for waterproofing necessary for waterfowl. The leading edge (vane) is stiffer than the trailing edge.
Key Features
Large size, solid dark olive-brown color with no markings, stout off-white rachis, and a distinctive light-colored base near the quill.
Habitat
Extremely versatile; found in wetlands, lakes, ponds, rivers, marshes, and increasingly in urbanized areas like parks, golf courses, and agricultural fields.
Geographic Range
Native to North America, breeding in Canada and the northern US, and wintering as far south as Mexico. They have been widely introduced to Europe, New Zealand, and South America.
Ecological Role
Primarily herbivores that graze on grasses and aquatic plants. They serve as prey for large predators (eggs/goslings for foxes and raccoons) and their droppings contribute significant nutrients to aquatic ecosystems.
Similar Species
Mute Swan feathers (larger, pure white), Domestic Goose (often pure white or patterned), or Wild Turkey (distinctive banding/striping, which this lacks).
Interesting Facts
Canada Geese often mate for life and are highly protective of their nests. Their 'V' formation flight is an aerodynamic strategy that allows the birds to save energy by flying in the vortex created by the bird in front.
Condition Notes
Excellent condition. The vane is intact without significant fraying or 'fault bars' (stress lines). The bright white rachis suggests it is a relatively fresh molt rather than an old, weathered specimen.