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 ...

Orcas are renowned hunters. Now, they have surprised scientists with an unexpected twist — possibly getting help from dolphins. In the waters off British Columbia, marine ecologist Sarah Fortune and ...

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 ...

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 ...

Researchers discovered that Northern resident killer whales hunt by going silent and eavesdropping on dolphin echolocation to locate prey. Dolphins act as long-range scouts while orcas deliver the ...