Laela Sayigh Human fascination with bottlenose dolphins goes back thousands of years, at least as early as Greek mythology.

A long‑term study in Sarasota, Fla., details how bottlenose dolphins are social creatures that use whistles and clicks to communicate with each other.

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) But it wasn’t until the 1960s that methodical research into dolphin communication ...