The Lesser Goldfinch or Dark-backed Goldfinch (Carduelis psaltria) is a very small songbird of the Americas. Together with its relatives the American Goldfinch and Lawrence's Goldfinch, it forms the American goldfinches clade in the genus Carduelis sensu stricto.
The House Finch (Haemorhous mexicanus) is a bird in the finch family Fringillidae, which is found in North America. This species and the other "American rosefinches" are placed in the genus Haemorhous by the American Ornithologists' Union but have usually been included in Carpodacus.