The American goldfinch (Spinus tristis) is a small North American bird in the finch family.
It is migratory, ranging from mid-Alberta to North Carolina during the breeding season, and from just south of the birds–United States border to Mexico during the winter.
The only finch in its subfamily to undergo a complete molt, the American goldfinch displays sexual dichromatism: the male is a vibrant yellow in the summer and an olive color during the winter, while the female is a dull yellow-brown shade which brightens only slightly during the summer. The male displays brightly colored plumage during the breeding season to attract a mate.
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