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 ...

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 ...

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

Winter migration means you'll have a few new visitors at your birdfeeder. Here's a look at which birds you might see this ...

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

Across the animal kingdom, birds are some of the most colourful creatures of all. But how did all the amazingly coloured ...

In the 2008 film “Twilight,” a vampire describes the scent of blood as being “like a drug.” While in the world of fantasy, ...

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

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

One of the rarest birds in the world, the Wilkins' bunting, is a yellow finch endemic to Nightingale Island in the British ...