After ruling out diet, scientists discover the secret behind blue feathers lies inside how the feathers are made. Gavriel Jecan / Corbis For decades, scientists have known how birds with yellow or ...

When is a blue bird not blue? The answer to this question is always.There actually is no such thing as a blue bird. To find out why, Smithsonian asked Scott Sillett, a wildlife biologist at the ...

Yellow and red, he says, come from feather pigments — birds’ feathers turn red or yellow as a result of their diet. But the color blue, interestingly enough, differs.

How birds make those colorful feathers is the topic Samantha Rutledge, an LSU Ph.D. student in ornithology, will address this weekend during a “Special Saturday” event at the LSU Museum of ...

In the 1960s, biologists noticed the yellow tips of some birds' feathers were turning orange. 2:16 The cedar waxwing didn’t have any close relatives with red feathers, so the scientists soon ...

image: This photograph shows a collection of green, white, blue, and yellow budgies. view more Credit: Thomas Cooke. When it comes to spectacular displays of color, birds are obvious standouts in ...

Bob Karp waited nearly three hours through a hot August Sunday for a glimpse of the painted bunting — sometimes called the most gorgeous bird in North America, with its feathers flashing red ...

How yellow and blue make green in parrots Date: October 5, 2017 Source: Cell Press Summary: Many brightly colored birds get their pigments from the foods that they eat, but that's not true of parrots.