American Goldfinch

Overview

The American Goldfinch is a small, brightly colored finch whose breeding males turn vivid lemon-yellow with a black cap and black-and-white wings, giving rise to the nickname wild canary. Outside the breeding season, both sexes molt into a much duller olive-brown plumage, so feather color can vary dramatically by season.

Its bold seasonal color change is unusual among North American songbirds and is a key thing to keep in mind when identifying a found feather.

Recognizing the Feathers

• Breeding male body feathers: bright lemon-yellow, unstreaked
• Wing feathers: black with bold white wing bars, present year-round in both sexes
• Winter/female body feathers: dull olive-brown to buffy-yellow, unstreaked
• Tail feathers: black with white patches near the base

The black-and-white wing feathers stay fairly constant across seasons and sexes, making them a reliable clue even when body feathers are drab olive rather than bright yellow.

Plumage

Breeding males are bright yellow with a black cap, black wings with white bars, and a white rump. Females are duller olive-yellow year-round. In winter, males molt into a plumage much like the female's, losing the black cap and bright yellow tone, then molt back to breeding colors in spring - one of the few North American songbirds with two distinct molts per year.

Habitat & Range

American Goldfinches favor weedy fields, meadows, roadsides and suburban gardens across most of the United States and southern Canada. Northern populations move south in winter while southern populations are largely resident.

Behavior & Field Notes

Goldfinches are strict seed-eaters, favoring thistle and sunflower seed, and often nest later in summer than other songbirds to coincide with seed availability. Their flight is bouncy and undulating, often accompanied by a distinctive flight call. Because of the two molts per year, a bright yellow feather points to a breeding-season male, while a dull olive feather could be a female or a male in non-breeding plumage.