Kshamenk, the last killer whale held in captivity in Latin America, died of cardiorespiratory arrest in Argentina at age 35, ...

Sarah Fortune, a marine ecologist at Dalhousie University in Nova Scotia, and her colleagues used drones and camera-equipped ...

Researchers say the behavior has never before been observed in the population. Watch dolphins and killer whales hunt together ...

White-sided dolphins seem to help killer whales "scout" and catch Chinook salmon near Vancouver Island, then eat the ...

Scientists have captured rare footage of killer whales and Pacific white-sided dolphins hunting together near the coast of ...

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

Off the coast of British Columbia, killer whales are tailing dolphins, and both seem to be rewarded with fishy meals. But not ...

New research suggests the two top predators have forged a co-operative rather than competitive relationship to find and feast ...

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.

Killer whales are the only natural predator of baleen whales — those that have “baleen” in their mouths to sieve their plankton diet from the water. More solitary than toothed whales, baleen whales ...

A crowd gathered in Seattle to watch a pod of Bigg's killer whales on Sunday. They saw one whale suddenly catch a bird. Bigg's killer whales are orcas that usually prey on marine mammals like sea ...

Killer whales and dolphins have been captured hunting together on camera, in what could be a scientific first. Footage ...