New footage shows orcas and dolphins coordinating hunts, hinting at interspecies teamwork to track and catch salmon off ...

Biologists discovered killer whales and dolphins working together to hunt salmon, a behavior never before documented in this ...

The species Orcinus orca, generally known as orcas or killer whales, is made up of many genetically distinct populations ...

Off the coast of British Columbia, dolphins lead killer whales to salmon and earn their share of lunch, a new study reveals.

Learn how differences in diet and behavior split orcas off northern Japan into resident and transient groups — and what their ...

Off the coast of British Columbia, killer whales are tailing dolphins, and both seem to be rewarded with fishy meals. But not everyone is convinced it's teamwork—and the behavior may hint at other oce ...

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review spanning two decades has revealed a little-known, yet intriguing behavior.