▁black - sp otted ▁c usc uses ▁and ▁cont ributes ▁to ▁their ▁decl ine . ▁ ▁Currently , ▁plans ▁for ▁oil ▁pal m ▁activities ▁and ▁logging ▁con cess ions ▁are ▁under way ▁in ▁locations ▁that ▁are ▁home ▁to ▁the ▁black - sp otted ▁c us cus . ▁International ▁trade ▁has ▁also ▁in hib ited ▁the ▁b iod iversity ▁on ▁the ▁island ▁of ▁Pap ua ▁New ▁Guinea . ▁Pap ua ▁New ▁Guinea ▁has ▁high ▁export ation ▁rates , ▁which ▁serves ▁as ▁a ▁threat ▁to ▁the ▁species . ▁▁▁ ▁The ▁main ▁threat ▁to ▁the ▁black - sp otted ▁c us cus ▁is ▁over h un ting . ▁Due ▁to ▁its ▁large ▁size ▁in ▁comparison ▁to ▁other ▁mars up ial s , ▁it ▁is ▁frequently ▁h unted ▁for ▁its ▁meat . ▁In ▁addition , ▁its ▁dense , ▁color ful ▁fur ▁makes ▁it ▁favor able ▁for ▁cap es ▁and ▁head we ar . ▁The ▁existence ▁of ▁the ▁black - sp otted ▁c us cus ▁in ▁a ▁limited ▁environment ▁makes ▁it ▁an ▁easy ▁hunting ▁target . ▁ ▁Conserv ation ▁status ▁Currently , ▁there ▁are ▁no ▁existing ▁national ▁par ks ▁in ▁Pap ua ▁New ▁Guinea ▁to ▁protect ▁this ▁species . ▁However , ▁to ▁address ▁the ▁critical ▁end anger ment ▁status , ▁a ▁management ▁area ▁has ▁been ▁built ▁in ▁Pap ua ▁New ▁Guinea , ▁and ▁there ▁are ▁numerous ▁areas ▁in ▁Indones ia ▁that ▁the ▁black - sp otted ▁c usc uses ▁can ▁inhab it ▁for ▁protection . ▁ ▁To ▁further ▁address ▁the ▁problem , ▁hunting ▁restrictions ▁and ▁public ▁aw aren