New research suggests that dolphin mothers teach their babies a “signature whistle” right before birth and in the two weeks after. Calves eventually develop their own signature whistle, but in the first few weeks of life, mothers seem focused on teaching their offspring their signature sound, the scientists said. “It’s been hypothesized that this is part of an imprinting process,” Audra Ames, a doctoral student at the University of Southern Mississippi, said here on Friday (Aug. 5) at the annual meeting of the American Psychological Association.Animal and Pet News
