The house finch is one of the most common birds in North America. This is a small finch at 6 inches in length, brownish overall with streaking on the breast and a short, stout beak. The male has a ...

Birds that can live at 14,000 feet and also breed at sea level might have evolved more quickly than previously thought Mountaineers who venture high into the Colorado Rockies have likely spotted ...

Local researcher Jaime Chaves catches Darwin's finches to study beak size changes. Early morning on the Galápagos Islands and Jaime Chaves is catching Darwin’s finches, endemic to these islands, in ...

Nearly 200 years ago, based on observations of finches in the Galápagos Islands, Charles Darwin proposed that a species may diverge in traits when competing for resources, and now, supporting this ...

Like humans who can instantly tell which friend or relative is calling by the timbre of the person's voice, zebra finches have a near-human capacity for language mapping. If songbirds could appear on ...

Laysan finches, also known as ekupuu in Hawaiian, were once found throughout the main Hawaiian isles but can now only be found at Papahanaumokuakea Marine National Monument. Known for their varied ...

Long ago, Laysan finches, a native honeycreeper known for its brown and yellow plumage and varied songs, were found throughout the Hawaiian islands. Today, however, only about 18,000 of the endangered ...