This week’s featured creature is one of the most beautiful birds in North America. However, I think because it is quite ...

In a very complex manner, light is scattered throughout the feathers of the blue jay in much the same way that light scatters ...

Blue stands out as one of the rarest colors in nature, with almost no animals bearing true blue pigments ... to the iridescent feathers of blue jays and peacocks, nature uses physics to create ...