Killer whales hunted and killed a prickly shark near Cerralvo Island in the southwestern Gulf of California, and underwater cameras recorded the event at depths where the shark species is known to ...

Orcas have dialects, family traditions and strong opinions about dinner. Scientist Dr Isabella Reeves is uncovering how their ...

Orca pods are led by the founding matriarch, and Similä thinks these “wise mothers” teach their calves to avoid fishing boats ...

A new open-access catalog of whale calls will help researchers and orca enthusiasts identify distinct killer whale ...