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American Goldfinch (Wild Canary, Yellowbird)
Contour body feather

American Goldfinch (Wild Canary, Yellowbird)

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Passeriformes, Family: Fringillidae, Genus: Spinus, Species: Spinus tristis

AI-generated identification · may be incorrect

Family: Fringillidae (Finches and Euphonias)

Shape
Symmetrical vane with a gently rounded tip, small and neatly oval in overall outline.
Size
Small body feather, approximately 0.5 inches (12-15 mm) long and 0.2 inches wide, typical for a small passerine body contour feather.
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Description

The American Goldfinch is a small, energetic seed-eating songbird. Breeding males are brilliant yellow with jet-black wings and cap, while females and winter birds are duller olive-brown. They are famous for their undulating flight and delayed nesting habits.

Colour & Pattern

Bright lemon-yellow tip sharply contrasting with a dark brownish-black subterminal zone and a grayish-white base, typical of breeding male American Goldfinch plumage.

Barb Structure

Pennaceous upper portion with tightly interlocked barbs and barbules providing a smooth surface, transitioning to a slightly plumulaceous base.

Rachis & Barb Pattern

Thin, flexible central white-to-yellowish rachis tapering toward the tip with densely packed barbs extending at a moderate angle.

Texture & Surface

Smooth, silky, and relatively soft with a matte finish, typical of small passerine contour feathers.

Feather Placement

Breast or flank contour feather, determined by its small size, gentle curvature, and distinctive coloration pattern matching male alternate plumage.

Key Features

Vivid lemon-yellow coloration at the tip abruptly meeting a dark brown or blackish band, characteristic of male goldfinch body feathers.

Habitat

Open country, weedy fields, cultivated lands, floodplains, and edges of deciduous forests where thistles and sunflowers grow.

Geographic Range

Widespread across North America, breeding from southern Canada down to North Carolina, and wintering throughout the United States into Mexico.

Ecological Role

Important seed disperser for various weed and wildflower species, and a key food source for small avian predators.

Similar Species

Lesser Goldfinch and Lawrence's Goldfinch, though their geographic ranges and exact feather color distributions differ subtly.

Interesting Facts

American Goldfinches are strictly vegetarian and delay breeding until late summer (July or August) to coincide with the peak availability of thistle down and weed seeds for nest building and feeding.

Cultural Significance

State bird of New Jersey, Iowa, and Washington. Highly appreciated in backyard bird feeding, though individual feathers are rarely used commercially due to tiny size and legal protections.

Field Identification Tips

Look near backyard nyjer seed feeders, weedy patches of thistles and dandelions, or brushy fields during late spring and summer.

Condition Notes

Good condition, clean, intact barbs, showing no signs of heavy wear, fraying, or parasitic damage.