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 ...

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 ...

For the first time ever, a unique cooperative hunting arrangement between dolphins and orcas has been documented. Researchers believe killer whales find salmon by tailing dolphins, who in turn benefit ...

Off the coast of British Columbia, dolphins lead killer whales to salmon and earn their share of lunch, a new study reveals. A new study is the first to document cooperative hunting between orcas and ...

When researchers from the University of British Columbia set out to film the solitary hunting habits of Northern resident killer whales, they expected to see quiet and solitary predators at work.