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

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

It's long been thought that the Southern Resident orcas that live in our region have no predators, but Bigg's orcas might be ...

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

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

Fish-eating killer whales in southern Alaska have a diverse, seasonally changing diet featuring salmon and groundfish, ...

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

Orcas don’t have any natural predators, so how did this happen? The tooth marks, it turned out, were distinctive – they were ...

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

A long-term study using DNA from whale scat has revealed surprising complexity in the diets of southern Alaska’s fish-eating killer whales.

, March 10 -- Scientists have found possible evidence suggesting that some killer whales may hunt and eat their own species in waters near Russia.

According to West Seattle Blog, the texter reported “three orcas in Elliott Bay, ‘way in next to container wharves’.” The ...