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 whale fin marked with the teeth of another killer whale. In 2024, it ...

A long-term study using DNA from whale scat has revealed surprising complexity in the diets of southern Alaska’s fish-eating killer whales.

An international team of marine biologists have published research in Molecular Ecology that shows the benefits of gene flow between geographically distant and genetically different killer whale ...

Orcas appear in Vancouver Harbour from time to time and often delight residents who catch a glimpse of them. But marine experts say three whales spotted there last week are unlike any previously ...

Like a proud cat leaving a bird on its owner's doorstep, orcas—also called killer whales—may sometimes offer to share their prey with humans, according to research published in the Journal of ...

Orcas, or killer whales, are deadly and beautiful apex predators.

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

One of the world’s largest mammals, the humpback whale is an incredible species for many reasons. They may even be the ocean’s protectors. Researchers have witnessed humpback whales intervening during ...

Many researchers thought the two-month absence was caused by the predation of a white shark by a group of orcas. Now a new study suggests there may be other reasons for their disappearance.

A Southern Resident killer whale has been spotted clinging to her dead baby in the Salish Sea off northern Washington, a conservation group said. J-36, also known as Alki, was seen Sept. 12 in the ...