SAN NICOLAS DE BARI, Cuba: Disguised as a sparrowhawk, and convincingly mimicking its predatory cry, a drone made of wood, scrap metal and plastic disperses birds at a Cuban airfield.
From afar one could be fooled: soaring and swooping with its 1.3-meter (4.3-foot) wingspan, the mechanical bird flies autonomously for an hour at a time, and boasts impressive, if somewhat stiff plumage.
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