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.

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

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

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 the North Pacific, orca fins with signs of cannibalism are washing up on a Russian beach. The findings suggest that killer whales occasionally participate in cannibalism, which might explain why ...

The orcas lurking beneath the surface of Washington state's Puget Sound are some of nature's most magnificent, imposing and endangered species. Stefanie Stockwell and Mindy Roberts, both longtime ...

Add Yahoo as a preferred source to see more of our stories on Google. 3/4/25 - SOUTHERN RESIDENT KILLER WHALES IN MONTEREY BAY!We had an absolutely amazing day with K Pod and likely others today ...

The sighting of a baby killer whale in British Columbia has given researchers a sign of hope for the endangered species. In a Facebook post on Tuesday, April 8, the Center for Whale Research announced ...

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

A long-term study shows southern Alaska killer whales switch between salmon species and also eat groundfish as seasons and ...