▁patch ▁of ▁skin ▁in ▁the ▁but to cks , ▁test icles ▁and ▁per ian al ▁area ,” ▁said ▁John ▁A . ▁Hart , ▁the ▁research er ▁who ▁described ▁the ▁mon key . ▁“ It ’ s ▁a ▁brilliant ▁blue , ▁really ▁pretty ▁spect ac ular .” ▁ ▁The ▁species ▁was ▁listed ▁among ▁the ▁Top ▁ 1 0 ▁New ▁Species ▁ 2 0 1 3 ▁discovered ▁in ▁ 2 0 1 2 ▁as ▁selected ▁by ▁the ▁International ▁Institute ▁for ▁Species ▁Ex pl oration ▁at ▁Arizona ▁State ▁University ▁out ▁of ▁more ▁than ▁ 1 4 0 ▁nominated ▁species . ▁Its ▁distinct iveness ▁is ▁its ▁human - like ▁eyes , ▁gen ital ▁area ▁and ▁bo oming ▁dawn ▁ch orus . ▁The ▁selection ▁was ▁declared ▁on ▁ 2 2 ▁May ▁ 2 0 1 3 . ▁ ▁Distribution ▁ ▁The ▁les ula ▁lives ▁in ▁rain for ests ▁in ▁the ▁Democratic ▁Republic ▁of ▁Congo , ▁with ▁the ▁ 2 0 0 7 ▁spec imen ▁found ▁in ▁capt ivity ▁in ▁the ▁village ▁of ▁Op ala . ▁Since ▁that ▁sight ing , ▁it ▁has ▁also ▁been ▁seen ▁in ▁the ▁wild . ▁Its ▁range ▁is ▁between ▁the ▁L om ami ▁and ▁T sh u apa ▁rivers ▁in ▁the ▁central ▁part ▁of ▁the ▁country . ▁ ▁Status ▁The ▁les ula ▁is ▁vulner able ▁to ▁hunting ▁for ▁bush me at . ▁Prote ct ing ▁the ▁species ▁could ▁be ▁challeng ing , ▁as ▁species ▁with ▁such ▁a ▁small ▁range ▁can ▁go ▁from ▁vulner able ▁to ▁seriously ▁end anger ed ▁in ▁a ▁few ▁years .