How yellow and blue make green in parrots

(Cell Press) Many brightly colored birds get their pigments from the foods that they eat, but that's not true of parrots. Now, researchers reporting a study of familiar pet store parakeets -- also known as budgies -- have new evidence to explain how the birds produce their characteristic yellow, blue, and green feathers.The findings reported in the journal Cell on Oct. 5 promise to add an important dimension to evolutionary studies of parrots, the researchers say.

from EurekAlert! - Social and Behavioral Science http://ift.tt/2fMUZcm