
Canada Goose
Kingdom: Animalia; Phylum: Chordata; Class: Aves; Order: Anseriformes; Family: Anatidae; Genus: Branta; Species: Branta canadensis
Family: Anatidae (Ducks, Geese, and Swans)
- Shape
- Asymmetrical vane typical of flight feathers, with a broad, rounded trailing edge and a slightly narrower leading edge; the tip is bluntly rounded.
- Size
- Approximately 6-8 inches (15-20 cm) in length; width approximately 1.5-2 inches across the widest part of the vane. This fits the standard range for secondary feathers of a large-bodied goose.
- Rarity
- Very Common. One of the most widespread and easily observed large birds in the Northern Hemisphere.
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Description
This is a classic grey-black secondary flight feather from a Canada Goose. The bird itself is a large, iconic waterfowl with a black head and neck, a white 'chinstrap' or cheek patch, and a brownish-grey body. They are known for their 'honking' calls and their distinctive V-formation during migration.
Colour & Pattern
Solid charcoal-grey to dark brownish-black on the outer vane and distal portion; the ventral (underside) surface is a paler, silvery-grey. No banding or spots are present. The rachis is white to cream-colored.
Barb Structure
Highly pennaceous and tightly interlocked vane for aerodynamic integrity; lower 10-15% near the calamus exhibits plumulaceous (downy) structure for insulation. Barbs are rigid and intact.
Texture & Surface
Smooth, stiff, and somewhat oily to the touch. The surface has a matte appearance with a dense, water-repellent quality characteristic of migratory waterfowl.
Key Features
Large size, solid dark grey-brown coloration without barring, and a strong, white central rachis. The lack of white tips distinguishes it from some smaller duck species.
Habitat
Ubiquitous in temperate regions; frequently found in grasslands, parks, agricultural fields, marshes, and near freshwater or brackish water bodies.
Geographic Range
Native to North America; widespread from Alaska and Canada through the continental United States to Mexico. Introduced populations are found in Europe, New Zealand, and parts of Asia.
Ecological Role
Primary herbivore that grazes on grasses and aquatic plants; they serve as a food source for large predators and contribute to nutrient cycling in wetlands.
Similar Species
Mallard (much smaller, often with blue speculum), Domestic Goose (often pure white or much lighter grey), Great Blue Heron (slighter more blue-grey hue and more elongated shape).
Interesting Facts
Canada Geese are famous for their strong family bonds; they generally mate for life and are highly protective of their goslings, often charging at humans or predators that get too close.
Condition Notes
Good condition; the vane appears intact with minimal fraying, suggesting it was likely a naturally molted feather rather than a result of predation. Some slight separation of barbs near the base.