▁from ▁j ung lef ow l ▁cro ps , ▁along ▁with ▁leaves , ▁roots , ▁and ▁tub ers . ▁In ▁addition , ▁red ▁j ung lef ow l ▁capture ▁a ▁wide ▁variety ▁of ▁ar th rop ods , ▁other ▁in verte br ates , ▁and ▁verte br ates ▁such ▁as ▁small ▁l iz ards . ▁Even ▁m amm al ian ▁f ec es ▁may ▁be ▁consum ed .   ▁Many ▁of ▁these ▁items ▁are ▁taken ▁opportun ist ically ▁as ▁the ▁birds ▁for age , ▁although ▁some ▁ar th rop ods , ▁such ▁as ▁term ites , ▁are ▁taken ▁in ▁large ▁quantities ; ▁about ▁ 1 , 0 0 0 ▁individual ▁term ites ▁have ▁been ▁found ▁in ▁a ▁single ▁c rop . ▁Plant ▁materials ▁const itute ▁a ▁higher ▁proportion ▁of ▁the ▁di et ▁of ▁adult ▁red ▁j ung lef ow l ▁than ▁do ▁ar th rop ods ▁and ▁other ▁animals .   ▁In ▁contrast , ▁ch icks ▁eat ▁mostly ▁adult ▁and ▁lar val ▁insect s , ▁earth w orm s , ▁and ▁only ▁occas ional ▁plant ▁material . ▁ ▁Rel ations hip ▁to ▁humans ▁ ▁The ▁red ▁j ung lef ow l ▁was ▁domestic ated ▁for ▁human ▁use ▁well ▁around ▁ 8 , 0 0 0 ▁years ▁ago ▁as ▁sub species ▁Gall us ▁gall us ▁dom est icus . ▁Kn own ▁as ▁ch ick ens , ▁they ▁are ▁a ▁major ▁source ▁of ▁food ▁for ▁humans . ▁However , ▁und om estic ated ▁red ▁j ung lef ow ls ▁still ▁represent ▁an ▁important ▁source ▁of