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

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

Scientists say dolphins and orcas have teamed up to hunt salmon off British Columbia. It’s the first time such behavior has been documented between the two mammals.

Killer whales and dolphins, typically a predator-prey pair, have been observed cooperating to hunt salmon. This is the first ...

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

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

Have you ever considered sharing your lunch with an orca? Because a new study suggests they thought about sharing their meals with you. The study, published in the Journal of Comparative Psychology, ...

A study comparing the nutritional demands of killer whales with the caloric content of their prey has startling implications for the potential impact of these large predators on populations of other ...

Killer whales are among the ocean’s most powerful predators. They can prey on stingrays, seals, porpoises, and even massive baleen whales. They are also known for disrupting great white sharks and ...

In the fall of 2018, a lone killer whale approached a boat in the Pacific Ocean. It didn’t attack the vessel — as has happened numerous times in recent years. Instead, it offered up an unexpected gift ...

Imagine a game of tag where life hangs in the balance. Welcome to the Arctic, where Weddell seals and killer whales have been perfecting their deadly dance for 34 million years. This isn’t just nature ...

Like corn kernels in slowly heating oil, the orca sightings began sparse and unpredictable. But at some imperceptible moment, ...