Domi is the 14-year-old alpha male in charge of a troop of about 40 monkeys, in the jungles of Sri Lanka. His hold on the group is a mixture of physical strength and political savvy.
Macaques are the most studied monkeys in the world, thanks to the efforts of scientists like Wolfgang Dittus. He arrived in Sri Lanka 50 years ago and has devoted his life to better understand theirs.