RESEARCH TRIANGLE PARK, N.C. -- A bird’s-eye view may take on new meaning thanks to Army-funded research. Scientists found that a protein in bird’s retinas is sensitive to the Earth’s ...

A cell in the eye may be worth two in the beak, at least when it comes to a migratory bird’s magnetic compass. In European robins, a visual center in the brain and light-sensing cells in the eye ...

Birds' eyes are different from human eyes in several key ways, and researchers determined that blue light would be most conspicuous to the Brown-headed Cowbirds used in their study. Outfitting a ...