Killer whales (also called orcas) are apex predators, meaning they are at the top of their food chain. They feed on fish and squid like other odontocetes (toothed whales) do, but will also ... Read ...

Scientists have found increasing evidence that culture shapes what and how orcas eat, what they do for fun, even their choice of mates. Michael Parfit / Mountainside Films Orcas have evolved ...