Males are very distinct from other goldfinch species ... A very pale female lesser can show whitish undertail coverts, but it has a different wing pattern than all Americans and is always greener ...

Lesser Goldfinch Lesser goldfinches are restricted ... Lawrence's goldfinches are gray with a black face patch and yellow ...

All other plumages can be separated from the lesser goldfinch by their bolder wing pattern and white undertail coverts. The female Lawrence’s goldfinch is gray like a nonbreeding adult female ...

Male lesser goldfinches sing particularly complex songs, which include imitations of other birds' calls. Lawrence’s Goldfinch ...