It is with great regret that we announce the passing of Professor Mike Bull. Mike Bull has left an enduring legacy for Ecology worldwide. Condolences on Mike's passing can be found on the condolence blog where colleagues and aquaintances have added their memories, thoughts and celebrations of his life. (Submissions of condolences are now closed.) The Ecological Society of Australia has also made a condolence book available at ESA16 in Fremantle where attendees were able to celebrate Mike’s life.