Hearing loss can cause dolphins to get lost, go hungry
(NEWSER) - In an undersea world where hearing is as valuable—sometimes more valuable—than sight, being deaf can be a death sentence. New research finds that many dolphins stranded near shore have hearing loss, and researchers theorize that loss could explain why they're beached. Without the ability to hear, dolphins can't find food or family members, and may ultimately become weak and disoriented, the Washington Post reports. Researchers say old age, disease, and birth defects may cause deafness in dolphins, but man-made ocean noise could also be to blame. More»