The Lesser goldfinch (Spinus psaltria) is even more elusive in its breeding region in the US. The southwestern states in the US can see these birds during their breeding season, and Mexico has ...

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 ...

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 ...