Seagulls prefer food touched by humans

Last year scientists from the University of Exeter discovered that staring at seagulls can discourage them from stealing your food. Not content with saving the chips of many a seaside tourist, they have now discovered that herring gulls are more likely to interact with food after it has been touched by humans. But how exactly do you test a seagull's preferred snack? Megan McGregor spoke to the study's lead author, Madeleine Goumas, to find out more... Like this podcast? Please help us by supporting the Naked Scientists