Yes,,Same species.
American Goldfinch, not eastern. I don't know why. According to the encyclopedia the American and Eastern Goldfinch are the same species.
Eastern Goldfinch (aka American Goldfinch)
An Eastern Goldfinch
No, the eastern goldfinch is a very common species.
The American Goldfinch goes by the name Carduelis tristisbut it was reclassified to Spinus tristis.
American Goldfinch was created in 1758.
Much of the eastern two thirds of North America, for at least part of the year.
Iowa designated the eastern goldfinch (Carduelis tristis) as the official state bird in 1933. Also called American goldfinch or wild canary, the eastern goldfinch is found throughout Iowa and often stays through the winter months. The diet of the eastern Goldfinch consists mainly of seeds from dandelions, sunflowers, ragweed, and evening primrose.The male goldfinch has a bright yellow body with black wings and tail, and black on top of his head. The female's plumage is more muted with an olive-yellow body and dark brown tail and wings (the male goldfinch also displays this same dull plumage in the winter months).
New Jerseys state bird is the Eastern Goldfinch. ----
Iowa's State Bird is the American Goldfinch, Carduelis tristis, and may have been selected because of their similarity to the European goldfinch which the early immigrants were familiar with.
eastern goldfinch
American goldfinch, European goldfinch, lesser goldfinch, evening grosbeak, pine siskin, Lawrence's goldfinch.