A young male orca that started regurgitating fish and then ambushing seagulls attracted by the mess seems to have set off a wave of cultural transmission in his neighborhood.
The innovative killer whale lives in MarineLand, an attraction in Niagara Falls, Canada, and behavioral biologist Michael Noonan happened to videotape the orca's early ambushes. As Noonan kept track, other orcas in the park also started baiting gulls this way.
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