Besides simulating injury to draw the intruder away from the nest they will swoop ferociously and peck the intruder's head with their hard bill.
除了「擬傷行為」﹘﹘假裝自己受傷，引誘敵人追捕、遠離鳥巢；它們也會從空中猛烈俯衝下來，用堅硬的嘴狠狠地啄對方的頭部。