5 0 – 6 0 ▁m ▁T rip lo ch it on , ▁though ▁it ▁is ▁mixed ▁with ▁large ▁patch es ▁of ▁closed ▁ever gre ens . ▁There ▁are ▁also ▁some ▁season ally ▁flo oded ▁U ap aca ▁trees ▁along ▁the ▁D ja ▁River . ▁ ▁Fa una ▁ ▁N ki , ▁according ▁to ▁the ▁Environment al ▁News ▁Service , ▁" en comp ass [ es ] ▁a ▁b iod iverse ▁group ▁of ▁plants ▁and ▁animals ." ▁This ▁has ▁been ▁confirmed ▁by ▁various ▁studies ▁over ▁the ▁years . ▁S itat ung a , ▁ch imp anze es , ▁forest ▁ant el ope ▁( larg ely ▁du ik ers ), ▁bush bu cks , ▁giant ▁forest ▁h ogs , ▁bush ▁p igs , ▁le op ard , ▁N ile ▁cro cod iles ▁and ▁b ong os ▁are ▁all ▁found ▁in ▁N ki ▁National ▁Park , ▁along ▁with ▁" h undred s " ▁of ▁fish ▁species . ▁ ▁The ▁for ests ▁of ▁Cam ero on ▁contain ▁some ▁of ▁the ▁highest ▁population ▁density ▁of ▁forest ▁ele ph ants ▁of ▁any ▁nation , ▁and ▁N ki ▁is ▁no ▁different , ▁with ▁an ▁ele ph ant ▁density ▁of ▁roughly ▁ 2 . 5 ▁per ▁square ▁kilometer ▁for ▁Bou m ba ▁Bek ▁and ▁N ki ▁combined . ▁The ▁population ▁has ▁been ▁stead ily ▁rising , ▁from ▁ 1 , 5 4 7 ▁in ▁ 1 9 9 8 ▁to ▁ 3 , 0 0 0 ▁in ▁ 2 0 0 6 . ▁Gor illas ▁are ▁also ▁reported ▁to ▁abund