Seagulls make slice of bread disappear in a second

If magic does exist, it seems seagulls may be one step ahead of us. This mysterious footage shows a flock of seagulls clamouring over a simple slice of bread - but the food seems to have vanished as quickly as it arrived. It is not clear where the video was filmed, but at the start of the clip the birds are gazing in unison towards the camera as though expecting something.  Moments later, someone flings a piece of bread right among the 30 or so gulls, presumably knowing they would be quick t...