Scientists found evidence that killer whales may hunt and eat other killer whales, revealing new insights into how ...

Learn why blue whale calves are prime orca targets and how their massive mothers use slipstreams, allies, and shockwaves to keep them alive.

In 2022, a Russian whale researcher made a remarkable discovery on Bering Island off Russia's Pacific coast: a severed killer whale fin marked with the teeth of another killer whale. In 2024, it ...

Learn about the fatal encounters between two groups of killer whales, bringing the idea of whale cannibalism into question.

Researchers observed how transient killer whales (orcas) in Monterey Bay, California spent their time through 270 hours of behavioral observations. Foraging accounted for 84.16% of the time spent by ...

Detached orca fins scored with distinctive tooth marks suggest that killer whale cannibalism is happening — and it might ...

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 ...

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Ecotypes of killer whales around Hokkaido. The red regions in the top left map show the sea areas where we can frequently see killer whales. Kyoto, Japan -- The species Orcinus orca, generally known ...

Primates, birds, and elephants are all known to make tools, but examples of tool use among marine animals are much more limited. Reporting in the Cell Press journal Current Biology on June 23, a team ...

Orcas, or killer whales, are deadly and beautiful apex predators.

Orcas appear in Vancouver Harbour from time to time and often delight residents who catch a glimpse of them. But marine ...