In the sunbaked Galápagos Islands, a male finch perches on a branch, hearing what sounds like another bird’s song. But ...

Nearly all birds with bright red, orange, and yellow feathers or bills use a group of pigments called carotenoids to produce ...

New research reveals how parrots and finches develop their extraordinary colours – and shows that evolution is an ongoing ...

Australian finches' bill colors come from small genetic variations affecting how they process dietary pigments.

What gives an Australian finch its brilliantly colored red, yellow or orange bill? A major new study has uncovered the ...

Recent studies reveal how birds develop their vibrant colors. Parrots create pigments called psittacofulvins, while finches ...

Something looked a little off at the birdfeeders. I get more house finches at my feeders than I can count, but as I entered the living room and glanced out ...

Observations at your bird feeder could help inform research being done at Cornell University and other institutions.

Macquarie University researchers have uncovered a genetic reason for the distinctive red, yellow and orange bills of Australian finches, finding a ...