The male breeding plumage is bright yellow with a black cap and black and white wing markings.
The female has brownish yellow plumage.
The American Goldfinch is not closely related to the European Goldfinch but is part of the Siskin family.
Shown is the eastern subspecies ranging from eastern Canada to New England, USA. Many thanks to David and Penny Tuturea for the photos
of male and female respectively.