Paleontologists are looking into the evolutionary origins of the whistles and squeaks that dolphins and porpoises make — part of the rare echolocation ability that allows them to effectively navigate their dark environment.
Dolphin ancestor’s hearing was more like hoofed mammals than today’s sea creatures
Paleontologists are looking into the evolutionary origins of the whistles and squeaks that dolphins and porpoises make -- part of the rare echolocation ability that allows them to effectively navigate..
