Scientists have documented what might be the first case of friendly interactions between killer whales and smaller cetaceans.

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review ...

Killer whales have been spotted hunting down dolphins - and sharing the catch with pals - for the first time. The dramatic new images of orcas in the Humboldt Current system, off Chile, show them ...

KILLER whales have been spotted giving gifts to humans in “extremely unusual” behaviour, baffled scientists say. Dozens of ...

Killer whales have a varied diet, but not all orcas eat the same things. Dr García Cegarra explained orca populations can be assigned to different ecotypes based on their preferred foods ...

Could a blue whale accidentally swallow and eat a dolphin? ... Recently, marine biologists recorded a pod of 14 orcas taking down a blue whale off the coast of Australia.

A study published in the journal Current Biology describes a new example of tool use by a critically endangered population of ...

Orcas are apex predators with a varied diet. Allentown, PA (18103) Today ...

A pod of killer whales have been spotted hunting down dolphin prey, before sharing the catch with their friends. Photos show the moment the orcas attacking dusky dolphins in the Humboldt Current ...

Killer whales have been spotted hunting down dolphins - and sharing the catch with pals - for the first time. The dramatic new images of orcas in the Humboldt Current system, off Chile, show them ...