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Canada Goose
Primary flight feather (remex), likely an outer primary such as P9 or P10.

Canada Goose

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Anseriformes, Family: Anatidae, Genus: Branta, Species: canadensis

Family: Anatidae (Ducks, Geese, and Swans)

Shape
Highly asymmetrical with an extremely narrow leading edge (outer vane) and a broad trailing edge (inner vane); the tip is rounded to slightly pointed, and the overall feather shows a distinct lateral curvature.
Size
Estimated at 25-30 cm (10-12 inches) in length; the width of the inner vane is approximately 3-4 cm. This is consistent with the large wingspan of an adult Canada Goose.
Rarity
Very Common; one of the most widely recognized and abundant large birds in North America.
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Description

This is a robust, dark primary flight feather from a Canada Goose. The bird itself is a large waterfowl characterized by a black head and neck with a white 'cheek strap' or chinstrap. They are known for their 'honking' calls and iconic V-formation migratory flights. This feather reflects the bird's heavy, powerful flight style.

Colour & Pattern

Solid dark brownish-black to charcoal grey on the upper surface. The underside is slightly paler with a matte silvery-grey sheen. There is no distinct banding or spotting, which is diagnostic for this species' flight feathers.

Barb Structure

Tightly interlocked pennaceous barbs throughout the majority of the vane for aerodynamic integrity, becoming slightly plumulaceous (downy) only at the very base near the calamus.

Texture & Surface

The surface is smooth, stiff, and somewhat waxy, providing water resistance. The trailing edge is flexible but maintains a sharp edge, while the leading edge is rigid and knife-like.

Key Features

Extremely thick, pale rachis; solid dark brown/black coloration without markings; significant asymmetry between the leading and trailing vanes.

Habitat

Ubiquitous near water sources including lakes, ponds, marshes, rivers, grain fields, and frequently in manicured urban environments like parks and golf courses.

Geographic Range

Native to North America, breeding across Canada and the northern US, and wintering throughout the US and Mexico. Introduced and widespread in Europe and New Zealand.

Ecological Role

Primarily grazers, they play a role in nutrient cycling and seed dispersal, though overpopulated resident groups can impact local water quality and vegetation.

Similar Species

Trumpeter Swan (larger, usually white), Wild Turkey (distinctly barred with white/grey), or Black Vulture (more rounded tip, different rachis color).

Interesting Facts

Canada Geese often mate for life and are highly protective of their nests. Some migratory populations travel over 1,500 miles in a single day during favorable weather conditions.

Condition Notes

The feather appears to be in good condition, likely a naturally molted specimen. There is some minor fraying ('zipper' separation) on the lower trailing edge and a slight bend in the rachis near the tip.