Roger Tory Peterson described them as sparrows dipped in raspberry juice. What a wonderful image of a purple finch, which is ...

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

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

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 ...

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 ...

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

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

Animal habitats are currently changing extremely rapidly and extensively due to urbanization and climate change. As a result, ...

Animal stress can spread within groups, altering behavior and social bonds. This impacts survival and offers insights for ...

Evergreen bird photographer Alan Murphy recently won gold in the best portrait category of the annual Bird Photographer of ...