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

A killer whale was filmed delivering a high-speed strike to a giant ocean sunfish during a rare underwater hunt in Baja California Sur, Mexico. Wildlife videographer Evans Baudin captured the moment ...

In August 2022, a large, bloody fin covered in orca tooth marks washed up on a beach on Bering Island in eastern Russia. The same thing happened again a little more than a mile away in July 2024.

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

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

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

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 ...

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.

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

Fish-eating killer whales in southern Alaska have a diverse, seasonally changing diet featuring salmon and groundfish, ...