A solitary killer whale, or orca, has been filmed hunting and killing a great white shark in an "astonishing" attack. Scientists said it was "unprecedented" and showed the exceptional predatory ...

Killer whales eat a meat-based diet, but the prey they choose depends on what part of the world they live in. For example, there are certain pods of orcas off the coast of New Zealand that ...

Killer whales are apex predators with a varied diet, but not all orcas eat the same things. Dr. García Cegarra explained that orca populations can be assigned to different ecotypes based on their ...