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

Add Yahoo as a preferred source to see more of our stories on Google. An endangered Southern Resident Killer Whale, an icon of the Pacific Northwest, breaches near Henry Island in Washington State.© ...

In all our years operating on the West Coast, we have never witnessed anything like this,' said cruise operator ...

(CNN) — A pod of Pacific white-sided dolphins off the coast of British Columbia have been observed cooperating with orcas, a traditional enemy that’s better known for taking out great white sharks ...

The apex predators, also known as orca, have been caught on camera for the first time hunting with Pacific white-sided dolphins in seas off British Columbia, Canada. The two iconic marine mammal ...

A pod of orca have been filmed hunting dolphins in the seas off the West Coast of Scotland in a "historic" moment.

Captured off the coast of San Diego, the astonishing video pictured above captures the moment that a dolphin is punched on the chin by a killer whale. The dolphin rises above the surface, but the orca ...

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 ...

You may think that dolphins are super cute sea creatures to view from the shore and boats, but for killer whales, they are food! That makes them a legitimate hunting target. This dolphin found out the ...