Growing noise in the ocean can cause dolphins to change their calls

(University of Maryland Center for Environmental Science) Noise levels in the world's oceans are on the rise, but little is known about its impact on marine mammals like dolphins that rely on sound for communication. Researchers from the University of Maryland Center for Environmental Science have found that dolphins are simplifying their calls to be heard over noise from recreational boats and other vessels in nearby shipping lanes.
Source: EurekAlert! - Biology - Category: Biology Source Type: news