Researchers suggest that predation by a subspecies called Bigg's orcas might explain why members of another one, called resident orcas, stay in such large family groups ...

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

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 ...

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 ...

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

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

Three unknown orcas have been spotted in Vancouver Harbour and more recently near Seattle, sparking the excitement of western ...

Orcas appear in Vancouver Harbour from time to time and often delight residents who catch a glimpse of them. But marine ...

Ask anyone who’s had encounters with killer whales, and they will tell you just how smart they are. Orcas are incredibly intelligent creatures, capable of complex hunting strategies. They also engage ...