Why are some songbirds so brightly colored? A new study finds that a hidden layer of black and white feathers help their colors pop. Have you ever looked at a bird and wondered, how can it be so red ...
What makes a blue jay blue or a cardinal red? Color, a crucial element in nature, is most evident in the amazing hue and pattern variations in more than 10,000 bird species around the world. How birds ...
Have you ever looked at a bird and wondered, how can it be so red or so blue or so intensely yellow? Well, if you have, then you and several researchers have something in common. A new study finds ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results