ations ▁in ▁Malays ia ▁and ▁also ▁may ▁occur ▁elsewhere ▁. ▁During ▁the ▁lay ing ▁period , ▁red ▁j ung lef ow l ▁females ▁lay ▁an ▁egg ▁every ▁day . ▁E gg s ▁take ▁ 2 1 ▁days ▁to ▁develop . ▁Ch icks ▁f ledge ▁in ▁about ▁ 4 ▁to ▁ 5 ▁weeks , ▁and ▁at ▁ 1 2 ▁weeks ▁old ▁they ▁are ▁ch ased ▁out ▁of ▁the ▁group ▁by ▁their ▁mother ▁— ▁at ▁which ▁point ▁they ▁start ▁a ▁new ▁group ▁or ▁join ▁an ▁existing ▁one . ▁Sex ual ▁m atur ity ▁is ▁reached ▁at ▁ 5 ▁months , ▁with ▁females ▁taking ▁slightly ▁longer ▁than ▁males ▁to ▁reach ▁m atur ity . ▁ ▁Domin ant ▁males ▁attempt ▁to ▁maintain ▁exclusive ▁re product ive ▁access ▁to ▁females , ▁though ▁females ▁chose ▁to ▁mate ▁with ▁sub ordinate ▁males ▁about ▁ 4 0 % ▁of ▁the ▁time ▁in ▁a ▁free - r anging ▁fer al ▁f lock ▁in ▁San ▁Diego , ▁USA . ▁ ▁Diet ▁ ▁Red ▁j ung lef ow l ▁are ▁attract ed ▁to ▁areas ▁with ▁ri pe ▁fruit ▁or ▁se eds , ▁including ▁fruit ▁plant ations , ▁fields ▁of ▁domestic ▁gra in , ▁and ▁stands ▁of ▁b am bo o .   ▁Although ▁j ung lef ow l ▁typically ▁eat ▁fallen ▁f ruits ▁and ▁se eds ▁on ▁the ▁ground , ▁they ▁occasionally ▁for age ▁in ▁trees ▁by ▁per ch ing ▁on ▁branches ▁and ▁feed ing ▁on ▁h anging ▁fruit .   ▁F ruits ▁and ▁se eds ▁of ▁scores ▁of ▁plant ▁species ▁have ▁been ▁identified