The male American Goldfinch (Carduelis tristis), in breeding plumage of bright yellow with black cap; black wings show white bars, and yellow shoulder patch. Common and found in weedy fields, open second-growth woodlands, roadsides, especially in thistles and sunflowers. Widely known as a "wild canary". Approximately 5 inches long. The American Goldfinch belongs to the family Fringilidae which are seedeaters with an undulating flight. Photographed at Abbott's Lagoon, Pt. Reyes National Seashore, California.