What's in a blue jay feather? As it turns out, less color than you'd think. We asked an expert to explain why blue jay ...

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 ...

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 ...

PITTSBURGH (KDKA) -- An incredible sight was recently captured on a Pennsylvania wildlife camera. Experts say it was a Northern Cardinal, but with some blue feathers instead of red.

Blue jay numbers have rebounded in many spots across Pennsylvania and the rest of the northeastern U.S. after drastic declines a decade or so ago, when large numbers of the birds were killed by ...

Birds are some of the brightest and most colorful animals on Earth. The blues, reds, greens, purples and yellows of the avian world are rivaled, among vertebrates, only by the brilliant colors and ...

CLEVELAND, OH (WOIO) -Ohio has numerous brightly colored birds. For most of those, the color is actually in the feather itself. “If you see birds that are red, or orange or yellow those are ...

Scientists discovered that 37 out of 45 species of birds-of-paradise absorb UV or blue light and then emit light at lower frequencies. ... a yellow feather may be more green-yellow, ...