For dolphins, the ocean is a world of sound. Their whistles carry social information, helping them communicate and stay connected, while echolocation—rapid-fire clicks—functions like underwater sonar, ...

A project born in response to the 2010 Deepwater Horizon oil spill has produced a new method that lets scientists sort through and classify millions of dolphin sounds more rapidly than ever before.

Dolphins are one of the most social mammals. They are highly intelligent as well, utilizing their communication skills to both cooperatively hunt and learn what is socially acceptable within a pod.