Northern Resident killer whales off British Columbia have been recorded going quiet during salmon hunts, apparently listening for the sounds of Pacific white-sided dolphins already chasing fish, then ...

Nine northern resident killer whales off Vancouver Island were filmed and acoustically tagged during a summer field season, and the recordings revealed something researchers had not formally ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers discovered that Northern resident killer whales hunt by going silent and eavesdropping on dolphin echolocation to ...

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 ...

SEATTLE — The Ballard Locks’ recent visit from several orcas might become a more regular occurrence. Researchers recently concluded that transient Bigg’s killer whales have become increasingly common ...