As melting ice keeps more seals on land, these killer whales must hunt what they can find. The orcas, having identified their target, form a battle line and start charging toward the floe.

A new BBC documentary shows a pod of killer whales hunting a seal using a sophisticated technique. They used "wave crashing," creating a wave to break up an ice platform and trap the seal on it.

A pod of at least 10 killer whales appears to be trapped by sea ice off Japan’s northern island of Hokkaido, public broadcaster NHK reported on Tuesday.

At least 10 — and possibly 13 — killer whales were spotted trapped in drift ice off the coast on Japan on Tuesday. The ice is too thick for the coast guard to rescue them, so they have to wait ...