Group Hunting by Killer Whales

In this remarkable video, taken by a German cameraman in Antarctic waters, a pod of killer whales, or orcas, demonstrates their sophisticated ability to hunt in a coordinated fashion. The killer whales’ quarry is a crabeater seal resting on an ice floe. As the videographer filmed, the killer whales repeatedly washed the crabeater seal off the floe by swimming in a line up to and under the floe, generating waves that swamped the floe and swept the seal off it. Remarkably, the seal managed to repeatedly crawl back onto the floe and was not eaten by the orcas. Scientists believe that this advanced, group-hunting behavior is passed down from older orcas to younger orcas.

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