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Canada Goose
Flight (remiges): Primary flight feather, likely outer (P8-P10)

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 vane, elongated and tapered toward the tip with a prominent notch or emargination on the leading edge to reduce drag during flight.
Size
Approximately 10 to 12 inches in length; the width is relatively narrow for its length, consistent with the aerodynamic requirements of a large waterfowl primary.
Rarity
Very Common; one of the most widespread and easily observed large birds in North America.
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Description

This is a primary flight feather from a Canada Goose, a large waterfowl known for its black head and neck with a white 'chin strap.' This feather is vital for their powerful migratory flights, often seen in V-formations. The bird itself can have a wingspan up to 5.5 feet.

Colour & Pattern

Uniformly dark fuscous brown to charcoal grey on the dorsal surface, slightly lighter and more silver-grey on the ventral side. No banding or spots, typifying the adult remiges of this species.

Barb Structure

Tightly interlocked pennaceous barbs resulting in a firm, wind-resistant vane; plumulaceous (downy) barbs are present only at the base near the calamus.

Texture & Surface

Smooth, stiff, and somewhat waxy or oily to provide water repellency. The surface has a slight matte-to-satin sheen rather than high gloss.

Key Features

Large size, extreme asymmetry of the vane, thick pale rachis, and uniform dark brown/grey coloration without patterns.

Habitat

Extremely versatile, found in wetlands, lakes, rivers, marshes, as well as anthropogenic environments like city parks, golf courses, and agricultural fields.

Geographic Range

Native to North America, breeding from Alaska across Canada and the northern US; winters throughout much of the United States and Mexico. Introduced widely in Europe and New Zealand.

Ecological Role

Primary herbivore; they graze on grasses and aquatic plants. They serve as a food source for large predators and are indicators of wetland health.

Similar Species

Tundra Swan (larger, usually white), Mute Swan (larger, white), or various large hawks/eagles (which would typically show banding or different mottling patterns).

Interesting Facts

Canada Geese are known for their strong mate bonds, often staying together for life. They are also famous for their 'V' formation flight, which reduces air resistance for the birds following the leader.

Condition Notes

Good to Fair condition. The distal tip shows some wear and fraying (weathering), and there is slight separation of the barbs near the base, typical of a naturally molted feather.