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

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

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

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

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 ...

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

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 ...

A pod of Orcas (Orcinus orca), also known as Killer Whales, feeding, in the Atlantic Ocean. There is a small baby orca amongst them, clearly visible in the image, with its head up. A group of ...

Offshore Morin, P. A., R. G. Leduc, et al. (2006). "Genetic analysis of killer whale (Orcinus orca) historical bone and tooth samples to identify western U.S. ecotypes." Marine Mammal Science 22 (4): ...

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 ...