A graph of 'Rabbit Population Changed' shows 'Years' on x-axis going from 1927 to 2007 in increments of 8 years and 'Rabbits in millions' going from 0 to 250 in increments of 50. The graph shows the 'boom-and-bust' pattern of regular rises and falls in the rabbit population. Three points are marked on it at coordinates Myxomatosis (1955 comma 175), Rabbit fleas (1971 comma 75) and RHD (1997 comma 175).