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Canada Goose
Flight feather (Remex); Primary, likely P9 or P10 based on the extreme asymmetry and narrow leading vane.

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, elongated, and tapered. The outer (leading) vane is very narrow and stiff, while the inner (trailing) vane is broader. The tip is pointed.
Size
Approximately 10 to 12 inches (25-30 cm) in length. This is consistent with the primary flight feathers of a large waterfowl species like the Canada 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 robust primary flight feather from a Canada Goose. The bird itself is large with a black head and neck, a distinctive white 'cheek' patch, and a brownish body. They are known for their 'V' flight formations and loud honking calls.

Colour & Pattern

Dark brownish-black to charcoal gray throughout the main vane. The rachis is white to cream-colored, particularly prominent toward the base. No banding or spots are present, which is characteristic of adult Branta species.

Barb Structure

Tightly interlocked and pennaceous throughout most of the vane to provide a windproof surface for flight. The base of the feather shows a small amount of plumulaceous (downy) barbs near the calamus.

Texture & Surface

The surface is smooth and matte with a slightly waxy or oily feel, providing water resistance. The leading edge is extremely stiff to withstand the high-pressure air during the downstroke of flight.

Key Features

Large size, dark monochromatic charcoal/brown color, highly asymmetrical vanes, and a sturdy white rachis. The lack of patterns (like bars or spots) distinguishes it from large raptors.

Habitat

Found in a wide variety of habitats near water, including lakes, ponds, bays, marshes, and urban areas like parks, golf courses, and agricultural fields.

Geographic Range

Native to North America, breeding across Canada and the northern United States. Many populations are migratory, though urban populations are increasingly resident year-round. It has been introduced to Europe and New Zealand.

Ecological Role

An important herbivore that grazes on grasses and aquatic plants. They serve as prey for large predators and their droppings contribute nutrients to aquatic ecosystems.

Similar Species

Black Vulture (shorter, broader), Wild Turkey (would have distinct barring), or Trumpeter Swan (would be pure white). The size and uniform dark color are the best indicators against smaller ducks.

Interesting Facts

Canada Geese are famous for their strong family bonds; they pair for life and migrate in large family groups. They also undergo a simultaneous wing molt in summer, rendering them flightless for about 40 days.

Condition Notes

The feather appears to be in good condition. The barbs are mostly intact, though there is slight separation (zippering) near the base of the trailing vane. No significant sun-bleaching is evident.