Two severed fins bearing the tooth marks of other killer whales have raised a troubling question: are some orcas hunting ...

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 ...

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

Great white sharks ( Carcharodon carcharias) are often unfairly the stuff of marine nightmares. But these infamously fearsome creatures are sometimes eaten by an animal even higher on the food ...

KILLER whales have broken into an all out cannibalistic civil war, scientists believe. Biologists have warned of an all-out ...

, March 10 -- Scientists have found possible evidence suggesting that some killer whales may hunt and eat their own species in waters near Russia. The discovery comes after two severed fins of killer ...

While killer whales (Orcinus orca) can trigger the immediate departure of white sharks (Carcharodon carcharias), extended absences from their aggregation sites are also part of the sharks' natural ...

The species Orcinus orca, generally known as orcas or killer whales, is made up of many genetically distinct populations called ecotypes. Each ecotype indicates an ecological specialization with its ...