the ugandan red colobus has two main predators: the common chimpanzee and the crowned eagle. there are many primate species in kibale national park but chimpanzees rarely hunt any species other than the ugandan red colobus. each year in ngogo, part of kibale national park, up to 12% of the red colobus population is killed by chimpanzees. chimpanzees do not hunt ugandan red colobus all year round, instead they tend to go through bouts of heavy hunting. in response to attacks by a chimpanzee, all members of a ugandan red colobus group gather together and males assemble to aggressively try and deter the attacking chimpanzee.