Hazel was the oldest rabbit in 2009 and held the record in the Guinness Book of World Records after several vets declared their age was 14 as of March 13, 2008. However, a new champion has come forward, Mick, the agouti rabbit who comes from Berwyn, Illinois, USA, was awarded the oldest rabbit by the Guinness World Records after his 16th birthday on 9th February 2019. In terms of the past, the oldest prior was a Wild-born Flopsy from Australia who was born in 1964 and live for a whopping 18 years!