Echolocation, also known as biosonar, is sort of like the dolphin version of a smartphone. Dolphins use it to navigate, protect themselves, hunt and locate prey. ➡ Subscribe: bit.ly/NatGeoWILDSubscribe About Nat Geo Wild: Welcome to a place so wild, anything can happen. Nat Geo Wild is the network all about animals from National Geographic, where every story is an adventure and your imagination is allowed to run wild. Get More Nat Geo Wild: Official Site: bit.ly/NatGeoWILD Facebook: bit.ly/NGWFacebook Twitter: bit.ly/NGWTwitter Instagram: bit.ly/NGWInstagram Encrypted Communication with Dolphins | Nature Tech youtu.be/PH35b1lKQTo Nat Geo Wild www.youtube.com/user/NatGeoWild