
Canada Goose (also known as Wild Goose or Gray Goose)
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Anseriformes, Family: Anatidae, Genus: Branta, Species: canadensis
Family: Anatidae (Ducks, Geese, and Swans)
- Shape
- Highly asymmetrical vane, typical of flight feathers designed for lift; the leading edge is very narrow and stiff, while the trailing edge is wide. The tip is rounded, and the overall outline is elongated and slightly tapered.
- Size
- Estimated at 25-30 cm (10-12 inches) in total length including the calamus. This is consistent with an adult Canada Goose primary, which typically ranges from 22 to 32 cm.
- Rarity
- Very Common. One of the most widespread and easily observed large birds in North America.
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Description
This feather belongs to the iconic Canada Goose, a large waterbird known for its black head and neck with a white 'chinstrap.' In flight, these birds are famous for their V-formations and loud honking calls. The feathers are built for long-distance migration, being incredibly durable and water-repellent.
Colour & Pattern
Uniform dark chocolate brown to charcoal grey on the dorsal surface. The ventral (underneath) surface is slightly paler with a silvery sheen. The rachis is off-white to cream-colored, especially prominent on the underside.
Barb Structure
Densely interlocked pennaceous barbs designed for aerodynamic integrity. The barbs are stiff and resistant to separation, with no plumulaceous (fluffy) down at the base, which is characteristic of the outer flight feathers of large waterbirds.
Texture & Surface
Smooth, stiff, and slightly waxy to the touch, providing water resistance. The dorsal surface has a semi-matte finish, while the stiff leading edge lacks the 'velvet' texture found in owls.
Key Features
Distinguished by its large size, uniform dark brown color, extreme asymmetry, and the thick, pale rachis. Unlike hawk feathers, it lacks banding or mottling.
Habitat
Found in a wide variety of habitats including wetlands, lakes, rivers, ponds, marshes, grassy fields, and increasingly in urban parks and golf courses.
Geographic Range
Native to North America, breeding across Canada and the northern USA. Many populations are migratory, wintering south to Mexico, though 'resident' populations now live year-round throughout much of the United States and Europe.
Ecological Role
Primary herbivore that helps cycle nutrients in wetlands. They serve as a food source for large predators (coyotes, eagles) and their abandoned nests are sometimes used by other species.
Similar Species
Similar to feathers of the Snow Goose (which are white with black tips) or the Cackling Goose (which are identical in color but significantly smaller). Greylag Goose feathers are similar but usually lighter or more mottled.
Interesting Facts
Canada Geese are known for their strong mate bonds, often staying together for life. They are also famous for their 'V' flight formation, which allows the birds to conserve energy by flying in the upward moving air (vortex) created by the bird in front.
Condition Notes
Excellent condition. The barbs are fully intact with no visible fraying or 'fault bars,' suggesting it was recently molted from a healthy adult bird.