▁found ▁D od ona ea ▁vis c osa ▁flow ering ▁plants ▁domin ated ▁by ▁Cas u arina ▁trees . ▁On ▁the ▁sum mit ▁was ▁sparse ▁Ed el we iss ▁and ▁W ahlen berg ia . ▁ ▁An ▁ 1 8 9 6 ▁survey ▁records ▁ 5 6 ▁species ▁of ▁birds ▁including ▁the ▁cr ested ▁white - ey e . ▁Several ▁other ▁zo ological ▁surve ys ▁followed ▁and ▁found ▁other ▁bird ▁species , ▁with ▁over ▁ 9 0 ▁bird ▁species ▁discover ies ▁in ▁this ▁period , ▁including ▁yellow - cr ested ▁co ck ato os , ▁Zo other a ▁thr ush es , ▁Hill ▁my nas , ▁green ▁j ung lef ow l ▁and ▁rain bow ▁l ori ke ets ▁are ▁h unted ▁for ▁the ▁c age bird ▁trade ▁by ▁the ▁local ▁people . ▁Orange - fo oted ▁scr ub f ow l ▁are ▁h unted ▁for ▁food . ▁This ▁bird ▁explo itation ▁has ▁resulted ▁in ▁population ▁decl ines , ▁and ▁the ▁yellow - cr ested ▁co ck ato o ▁is ▁near ing ▁ext inction ▁on ▁S umb awa ▁island . ▁ ▁A ▁commercial ▁logging ▁company ▁began ▁to ▁operate ▁in ▁the ▁area ▁in ▁ 1 9 7 2 , ▁pos ing ▁a ▁threat ▁to ▁the ▁rain ▁forest . ▁The ▁company ▁holds ▁a ▁tim ber - cut ting ▁con cess ion ▁for ▁an ▁area ▁of ▁, ▁or ▁ 2 5 % ▁of ▁the ▁total ▁area . ▁Another ▁part ▁of ▁the ▁rain ▁forest ▁is ▁used ▁as ▁a ▁hunting ▁ground . ▁In ▁between ▁the ▁hunting ▁ground ▁and