Synonyms for Yellowbird (same or very similar meaning)
WordNet sense 1 (yellow-throated American wood warbler):
yellow warbler, Dendroica petechia, golden warblerWordNet sense 2 (American finch whose male has yellow body plumage in summer):
goldfinch, New World goldfinch, Spinus tristisFrom the ODE community, based on WordNetadd/edit