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 ...

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

(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 ...

(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 ...