Watch a scene from the PBS Nature film, Ocean Giants.
Killer whales use a herding call to cause discomfort and confusion for a school of herring, making the fish easy targets for a meal. (Video limited to U.S. & Territories.)
Killer whales use a herding call to cause discomfort and confusion for a school of herring, making the fish easy targets for a meal. (Video limited to U.S. & Territories.)
