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.

Northern resident killer whales appear to use dolphins as ‘scouts’, in a surprising cooperative hunting strategy ...

Northern resident killer whales and Pacific white-sided dolphins have been filmed hunting Chinook salmon together for the ...

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 than ...

In the cold coastal waters of the North Pacific, a rare alliance is challenging what scientists thought they knew about marine predators. Orcas and dolphins have been filmed coordinating their ...

With all the splashing, it was hard to tell what was happening under water. As the orcas surfaced to take a breath, dolphins were darting around their heads, but the water was so murky that the ...

(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 ...

A new study confirms that dolphins and orcas have reached a "point of no return" in their evolution, making a return to land ...