Birds boast some of the most vibrant colors among terrestrial animals. The tropics are often renowned for the brightest birds, but U.S. birds also display a wide array of striking hues. But just how ...

A new study has confirmed what biologists have long suspected: that tropical birds are much more colorful than their temperate peers. The study involved a mathematical color analysis of more than ...

It was double-take moment for Jill Lovinger of Libertyville — what was she seeing out on her front yard? Sitting in her living room this spring, she looked outside and saw what should have been a ...