bs ) ▁are ▁left ▁behind ▁on ▁the ▁hunting ▁ground . ▁The ▁mechanism ▁with ▁which ▁this ▁is ▁reg ulated ▁is ▁believed ▁to ▁be ▁relatively ▁simple ▁and ▁based ▁on ▁a ▁two ▁step ▁process . ▁After ▁an ▁ant ▁was ▁injured ▁the ▁first ▁step ▁is ▁trying ▁to ▁stand ▁up ▁on ▁its ▁legs ▁again ▁and ▁return ▁to ▁a ▁rest ing ▁position . ▁Step ▁two ▁then ▁is ▁to ▁call ▁for ▁help ▁and ▁co oper ate ▁with ▁the ▁attract ed ▁help ers . ▁If ▁step ▁one ▁cannot ▁be ▁achieved ▁step ▁two ▁does ▁not ▁occur . ▁He av ily ▁injured ▁an ts ▁are ▁therefore ▁in ▁a ▁constant ▁loop ▁trying ▁to ▁achieve ▁step ▁one , ▁making ▁it ▁a ▁very ▁simple ▁mechanism ▁of ▁only ▁res cu ing ▁an ts ▁that ▁are ▁still ▁useful ▁for ▁the ▁col ony . ▁ ▁Tre at ment ▁of ▁injured ▁an ts ▁ ▁Observ ations ▁inside ▁the ▁nest ▁have ▁revealed ▁that ▁these ▁an ts ▁treat ▁the ▁w ounds ▁of ▁their ▁injured ▁nest - m ates , ▁making ▁them ▁the ▁first ▁recorded ▁non - human ▁species ▁to ▁consist ently ▁take ▁care ▁of ▁the ▁w ounds ▁of ▁other ▁individuals . ▁N est ▁m ates ▁grab ▁the ▁dam aged ▁lim b ▁of ▁the ▁injured ▁ant ▁in ▁their ▁mand ibles ▁and ▁hold ▁it ▁in ▁place ▁with ▁their ▁front ▁legs . ▁They ▁then ▁start ▁to ▁" lick " ▁the ▁w ound ▁for ▁numerous ▁minutes . ▁This ▁treatment ▁occurs ▁pre domin antly ▁within ▁the ▁first ▁hour ▁after ▁injury . ▁The ▁typical ▁mort ality ▁rate ▁of ▁injured ▁an ts ▁is ▁ 8 0 % ▁of ▁the