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

Seals are semi-aquatic marine mammals. They’re also known as pinnipeds, which means ‘fin-footed’, referring to the large flippers they have for arms and legs. Combined with their streamlined, ...

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Want to experience this story in a different medium? Check out the related documentary or Science Quickly podcast episode. Like many people who visit San Juan Island, I came here for the orcas. This ...

Hold your breath as you witness revenge rise from the deep. After a life-shattering tragedy, Trish tries to comfort her best friend, Maddie, by taking her on a spectacular adventure in a private ...

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 have observed dolphins and killer whales hunting together for the first time as part of a new study released on Thursday, Dec. 11. The top predators joined forces to feast on salmon off ...

Scientists have released incredible footage of northern transient killer whales following Pacific white-sided dolphins to help locate prey, then sharing the catch with them afterwards. The behaviour ...

Killer whales and dolphins have been working together to hunt salmon in the northern Pacific Ocean, an unexpected finding that further reveals the complex social lives of marine mammals. Video cameras ...

Off the coast of British Columbia, dolphins lead killer whales to salmon and earn their share of lunch, a new study reveals. A new study is the first to document cooperative hunting between orcas and ...

We could all use a buddy to help us track down dinner from time to time. Sarah Fortune, a marine ecologist at Dalhousie University in Nova Scotia, and her colleagues used drones and camera-equipped ...