Researchers suggest that predation by a subspecies called Bigg's orcas might explain why members of another one, called ...

In 2021 and 2023, hundreds of dolphins were stranded in shallow waters in San Antonio Bay in northern Patagonia. Some died, ...

Two groups of killer whales are engaging in a terrifying, bloody cannibalistic war beneath the ocean’s surface, where gangs ...

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

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

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

KILLER whales have broken into an all out cannibalistic civil war, scientists believe. Biologists have warned of an all-out orca-on-orca battle being fought in the North Pacific where one deadly ...

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 study in 2018 revealed that some orcas are able to imitate human speech, mirroring words such as 'Amy', 'Hello' and 'Bye ...

Researchers are investigating the sighting of three killer whales in Puget Sound that do not match any known regional ...