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

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

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

The migratory pattern of the scarlet tanager typically involves a straight line from as far north as Maine to as far south as ...

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

From the Carnival in Rio de Janeiro to the shoulders of pirates: parrots are synonymous with colour for people across the ...

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