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

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

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

In 2022, a Russian whale researcher made a remarkable discovery on Bering Island off Russia's Pacific coast: a severed killer ...

New research in the Strait of Gibraltar captured dozens of vocalizations from an endangered subpopulation of killer whales ...

Fins washing up in the North Pacific suggest that orcas from one subspecies are snacking on other orcas, and researchers ...

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 ...

To date, attacks by killer whales (Orcinus orca) upon elephant seals (Mirounga angustirostris) have been conjectured, but never documented. On 28 Dec. 1973, while aboard a 14 ft. skiff from Cape ...

A widely publicized killer whale attack once seemed to explain why white sharks disappeared from a key aggregation site. Long-term tracking now suggests the reality is more nuanced. Killer whales (Orc ...

Add Yahoo as a preferred source to see more of our stories on Google. A pod of Orcas (Orcinus orca), also known as Killer Whales, feeding, in the Atlantic Ocean. There is a small baby orca amongst ...