This beautiful visitor to birdfeeders. The male in breeding plumage is bright yellow with a black forehead, wings, and tail. He has one white wing-bar on each wing and white on his tail. Outside of the breeding season, the male is drab brown with hints of yellow and white wing-bars. In both breeding and non-breeding plumage, he has white undertail coverts contrasting with the yellow undertail coverts of the Lesser Goldfinch. The female in breeding plumage is yellowish-gray-brown on top and varies in color from bright yellow to dull yellow underneath. She has two light wing-bars on each wing and a light-colored bill. Her tail is black with white outer tips. Outside of the breeding season, she is gray above and below, and has less distinct wing-bars and a darker bill.