The highest rate of beak abnormalities ever recorded in wild bird populations has been detected in Alaska and the Northwest, according to a new study. "The prevalence of these strange deformities is ...

Scientists have identified a novel virus -- 'Poecivirus' -- that has been linked to avian keratin disorder (AKD), a disease responsible for debilitating beak overgrowth and whose cause has remained ...

Dear Dr. Jorden: I have two parakeets. One has a beak that overgrows to the point that the upper beak curves way down to his chest. I have to have it trimmed every three months just so he can eat. The ...

In his back yard in Fremont, Nikos Anton spotted a house sparrow that seemed to be toting a twig in its beak. But when he looked a little closer, Anton saw the "stick" was actually the grotesquely ...