▁The ▁Ker inci ▁area ▁is ▁home ▁to ▁more ▁than ▁ 3 0 0 ▁bird ▁species , ▁including ▁ 1 7 ▁of ▁Sum atra ' s ▁ 2 0 ▁en demic ▁birds , ▁making ▁it ▁of ▁particular ▁importance ▁to ▁orn ith olog ists ▁and ▁bird - watch ing ▁enthus iast s . ▁ ▁The ▁population ▁of ▁Sum at ran ▁r hin oc eros ▁in ▁the ▁park ▁was ▁estimated ▁to ▁number ▁around ▁ 5 0 0 ▁in ▁the ▁ 1 9 8 0 s , ▁but ▁due ▁to ▁po aching , ▁the ▁Ker inci ▁Seb lat ▁population ▁is ▁now ▁considered ▁ext inct . ▁ ▁Conserv ation ▁and ▁thre ats ▁The ▁national ▁park ▁was ▁declared ▁in ▁ 1 9 8 2 , ▁formed ▁from ▁numerous ▁waters hed ▁protection ▁for ests ▁or ▁h ut an ▁l ind ung ▁and ▁small ▁nature ▁res erves , ▁although ▁its ▁borders ▁were ▁only ▁leg ally ▁confirmed ▁in ▁the ▁late ▁ 1 9 9 0 s . ▁ ▁T ogether ▁with ▁B uk it ▁Bar isan ▁Sel atan ▁and ▁Gun ung ▁Le user ▁National ▁Park s , ▁it ▁forms ▁a ▁World ▁Heritage ▁Site , ▁Trop ical ▁Rain for est ▁Heritage ▁of ▁Sum atra . ▁Since ▁ 2 0 1 1 ▁the ▁UN ES CO ▁also ▁lists ▁this ▁world ▁her itage ▁as ▁World ▁Heritage ▁in ▁D anger . ▁ ▁Ker inci ▁Seb lat ▁National ▁Park ▁is ▁also ▁recogn ised ▁as ▁an ▁A SE AN ▁Heritage ▁Site . ▁ ▁Wild life ▁conservation ▁program ▁To ▁pract icing ▁personal ▁relations ▁with ▁Sum at ran ▁ele ph