The brightly colored male American goldfinch is especially recognizable ... Body entirely bright lemon yellow with white undertail coverts. Jet black cap. Black wings with yellow lesser coverts ...

The lesser goldfinch isn't as stunning as the American goldfinch. The yellow just isn't as vibrant. From Texas to Colorado, ...

Daniel Hooper from the American Museum of Natural History ... They discovered that yellow-billed finches have genetic ...

Males are very distinct from other goldfinch species. The female American goldfinch is larger and has white undertail coverts, a wide buffy lower wing bar with very little white at the base for ...