al anger idae . ▁It ▁is ▁among ▁the ▁largest ▁members ▁of ▁the ▁family , ▁only ▁being ▁sur pass ed ▁by ▁the ▁bear ▁c us cus . ▁It ▁is ▁a ▁relatively ▁colour ful ▁species ▁found ▁in ▁for ests ▁of ▁northern ▁New ▁Guinea . ▁It ▁is ▁threatened ▁by ▁hunting ▁and ▁habitat ▁loss , ▁and ▁has ▁already ▁disappeared ▁from ▁large ▁parts ▁of ▁its ▁range . ▁Con sequently , ▁it ▁is ▁r ated ▁as ▁Crit ically ▁End anger ed ▁by ▁IU CN . ▁ ▁E volution ▁and ▁history ▁The ▁family ▁Ph al anger idae ▁origin ated ▁from ▁the ▁Australian ▁rain for ests ▁by ▁the ▁early ▁Mi oc ene ▁epo ch . ▁Since ▁then , ▁c usc uses ▁have ▁successfully ▁divers ified ▁from ▁the ▁Ph al anger ids . ▁Current ▁research ▁has ▁indicated ▁that ▁the ▁Tr ich os ur ini ▁( pos sum s ) ▁separated ▁from ▁the ▁c usc uses ▁that ▁compr ised ▁the ▁ext ant ▁Ph al anger ids ▁approximately ▁ 2 3 ▁to ▁ 2 9 ▁million ▁years ▁ago . ▁This ▁split ▁supports ▁the ▁sur f acing ▁of ▁Sul aw esi ▁and ▁New ▁Guinea . ▁The ▁emer gence ▁of ▁these ▁land ▁masses ▁implies ▁that ▁the ▁ancest ors ▁of ▁the ▁c usc uses ▁tra ve led ▁to ▁the ▁New ▁Guinea ▁region ▁that ▁appeared ▁while ▁the ▁Tr ich os ur ini ▁stayed ▁in ▁Australia . ▁Short ly ▁after ▁this ▁event , ▁around ▁ 1 9 ▁to ▁ 2 4 ▁million ▁years ▁ago , ▁the ▁c usc uses ▁divided ▁into ▁two ▁groups . ▁The ▁first ▁group ▁consists ▁of