This is the moment an orca was spotted for the first time hunting with Pacific white-sided dolphins. New research has found that killer whales tag-team with dolphins to hunt salmon. The two marine ...

Pacific white-sided dolphins swim off the coast of British Columbia. Dolphins and porpoises in this region have been spotted swimming alongside a population of killer whales known as northern resident ...

(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 ...

Researchers found that a certain group of orcas are killing porpoises for an unknown purpose. The orcas could be doing it just for fun or to teach hunting skills to younger members of the pod. The ...

When dolphins swam onto the scene during a study on northern resident orcas off the coast of B.C., at least one researcher admitted to being a little annoyed. The Pacific white-sided dolphins had ...

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 ...

Sarah Fortune, an assistant professor in oceanography at Halifax’s Dalhousie University, said it would appear the massive ...

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 ...