New research shows that Lesser Goldfinches, a small songbird traditionally found in Southwest USA, are expanding their range northward through the Pacific Northwest at an unprecedented rate, providing ...

ITHACA, N.Y. — New research published in the journal Ornithology shows that Lesser Goldfinches, a small songbird traditionally found in the Southwest, are expanding their range northward through ...

Driven by climate chaos, Lesser Goldfinches abandon the south and conquer the north. Warm cities and rivers act as launchpads ...

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 ...