Nine northern resident killer whales off Vancouver Island were filmed and acoustically tagged during a summer field season, ...

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.

Researchers have observed dolphins and killer whales hunting together for the first time as part of a new study released on Thursday, Dec. 11. The top predators joined forces to feast on salmon off ...

University of Auckland scientists have used tracking data to recreate dives by a Hector’s dolphin. Animation shows a dive in real time using tracking information. Triangle = surfacing (you can hear ...

Killer whales and dolphins have been working together to hunt salmon in the northern Pacific Ocean, an unexpected finding that further reveals the complex social lives of marine mammals. Video cameras ...