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 ...

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 ...

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 ...