Swan 'Asboy' tries to intimidate people punting on the River Cam, Cambridge, Britain, Aug 12, 2014. The son of vicious swan Mr Asbo is following in his father's footsteps by terrorising punters on the River Cam in Cambridge during the peak summer season. The feathered fiend, who has been nicknamed Asboy, is targeting terrified tourists as they row and punt on the famous Backs in the university city. His dad, Mr Asbo, was moved to a secret location by the river authorities two years ago and had his wings clipped to stop him returning after he repeatedly attacked and bit rowers. Now he has been replaced by Asboy, who rules the roost on the River Cam by swimming up and down pecking at punters and flying into families on the waterway. The swan attacks any boat which gets too close, including canoes and rowing boats. [Photo/IC]