 In 2003, herds of African elephant, buffalo, roan antelope, western hartebeest, oribi, Grimm's duiker, Buffon's kob, bushbuck, waterbuck, bohor reedbuck and groups of warthog, anubis baboon and Patas monkey were recorded in Arly-Singou during an aerial survey.In 2002, it was estimated that between 364 and 444 lions reside in Arly-Singou, based on information by local people.But census data were not available.