Neck, neck, who's there? Cedric 'the ASBO swan' bangs on neighbours' doors

Cedric the swan has been rattling letterboxes on houses opposite the lake where he lives on Selston Walk in Northampton for the last five years. Residents say they don't know why he does it. https://www.dailymail.co.uk/news/article-9392679/Neck-neck-whos-Cedric-ASBO-swan-bangs-neighbours-doors.html?ns_mchannel=rss&ns_campaign=1490&ito=1490