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

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 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 ...

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

Ask anyone who’s had encounters with killer whales, and they will tell you just how smart they are. Orcas are incredibly ...

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

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

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

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

New Canadian-led research into northern resident killer whales suggests even when food is plentiful, orca moms struggle to ...