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Canada Goose
Flight feather (rectrix), secondary tail feather

Canada Goose

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

Family: Anatidae (Ducks, Geese, and Swans)

Shape
Slightly asymmetrical, elongated with a rounded to slightly blunt tip; stiff vane consistent with a tail feather used for steering.
Size
Estimated 8-10 inches (20-25 cm) long; width approximately 1.5-2 inches (4-5 cm). This size is consistent with an adult large-bodied Canada Goose.
Rarity
Very Common; one of the most widespread and easily observed waterfowl in North America.
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Description

A large waterfowl with a distinctive black head and neck and a white 'chinstrap.' This feather is the dark, sturdy part of the tail that gives the bird its characteristic silhouette in flight. Canada Geese are known for their V-formation flight and loud 'honking' calls.

Colour & Pattern

Uniformly dark brown to charcoal black on the dorsal surface; slightly paler grey on the underside. The rachis is off-white to cream-colored near the base, darkening toward the tip.

Barb Structure

Solidly interlocked pennaceous barbs on the upper 80% to provide aerodynamic stability; plumulaceous (downy) barbs present at the base (superior umbilicus) for insulation.

Texture & Surface

Smooth, stiff, and somewhat oily; the surface is designed for water repellency (preen oil) and durability against wind resistance.

Key Features

Uniform dark brown/black coloration, thick white calamus at the base, and a very stiff, flat pennaceous vane typical of large waterfowl tail feathers.

Habitat

Found in a wide variety of habitats including lakes, ponds, marshes, fields, urban parks, golf courses, and agricultural lands.

Geographic Range

Native to Arctic and temperate regions of North America; migrates to Mexico and Northern Europe; introduced to many other parts of the world.

Ecological Role

Primary grazer; they help cycle nutrients from aquatic to terrestrial environments but can become overabundant in urban areas due to lack of predators.

Similar Species

Cackling Goose (Branta hutchinsii) which has smaller feathers, or the Mute Swan (Cygnus olor), though swan feathers are typically pure white.

Interesting Facts

Canada Geese usually mate for life and are highly protective of their nests; they have been known to attack humans or dogs that get too close to their goslings.

Condition Notes

Good condition; minor fraying at the edges indicates natural wear and tear or 'weathering' before molting. The calamus is clear, suggesting a natural molt.