Porpoises use 'sound searchlights'
Sunday, March 29, 2015 - 19:30
in Earth & Climate
Porpoises finely adjust the size of the beams of sound they use to hunt - using sound like a searchlight to trap their prey, a study finds.
Porpoises finely adjust the size of the beams of sound they use to hunt - using sound like a searchlight to trap their prey, a study finds.