Type B Antarctic Orca use Wave-Hunting Technique

Type B Antarctic orca cooperatively hunt together by creating waves to wash seals off of ice floes and into the water. This technique is known as 'wave-hunting'. But in this rare video footage, the orca let the seal go. CNN news reporter says: "They didn't want a meal today, they just wanted a chance to teach their children about a hunting technique that may come in handy the next time their hungry." With an interview from Dr. Ingrid Visser of the Orca Research Trust. 

http://www.youtube.com/watch?v=rBF9cDBUakA