Deers in Richmond Park, London

A fallow deer buck watches from the cover of a bracken thicket after sunrise during the autumn rut at Richmond Park on October 10, 2011 in London, England. Autumn sees the start of the ‘Rutting’ season where the stags and bucks bellow in an attempt to attract female does and hinds. (Dan Istitene/Getty Images)

A red deer stag bellows in woodland after sunrise during the autumn rut at Richmond Park on October 10, 2011 in London, England. (Dan Istitene/Getty Images)