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 target ...

Two killer whales have killed dozens — if not hundreds — of sharks, including the vaunted great whites, with an ease that has ...

However, DDTs persist in the environment and accumulate in organisms throughout the food chain, leading to particularly high concentrations in top predators like killer whales. DDTs are known as ...

Scientists and First Nations are holding out hope that a young killer whale that escaped a North Island tidal lagoon after ...