▁hundred ▁years ▁old . ▁ ▁Sc atter ed ▁throughout ▁the ▁mountain ▁for ests ▁are ▁many ▁natural ▁clear ings ▁known ▁as ▁' gr ass y ▁bald s '. ▁ ▁These ▁clear ings ▁are ▁typically ▁a ▁few ▁hect ares ▁in ▁area ▁and ▁are ▁caused ▁by ▁bush f ires ▁and ▁ge ological ▁conditions . ▁ ▁Where ▁there ▁a ▁sl abs ▁of ▁unf ract ured ▁bas alt ▁soil ▁formation ▁and ▁root ▁pen etr ation ▁is ▁impossible , ▁leaving ▁a ▁patch ▁in ▁the ▁forest . ▁There ▁are ▁about ▁ 1 0 0 ▁bald s , ▁although ▁those ▁caused ▁by ▁fire ▁are ▁stead ily ▁being ▁lost ▁due ▁to ▁a ▁lack ▁of ▁recent ▁fires . ▁ ▁The ▁grass y ▁bald s ▁have ▁a ▁higher ▁b iod iversity ▁than ▁the ▁dense ▁rain for ests , ▁because ▁they ▁are ▁home ▁to ▁birds ▁and ▁rod ents ▁not ▁found ▁elsewhere ▁in ▁the ▁forest . ▁ ▁Fa una ▁ ▁The ▁park ▁is ▁home ▁to ▁more ▁than ▁ 2 0 0 ▁fro gs ▁and ▁re pt iles ▁as ▁well ▁as ▁mars up ial s ▁such ▁as ▁p ade mel ons , ▁rock ▁wall ab ies , ▁sw amp ▁wall ab ies ▁and ▁an ▁en demic ▁sub species ▁of ▁ring tail ▁pos sum ▁found ▁only ▁on ▁the ▁mountain ▁pe aks . ▁Re pt ile ▁species ▁include ▁the ▁blue - t ong ued ▁sk ink , ▁land ▁mul let , ▁car pet ▁s nake , ▁red ▁bel lied ▁black ▁s nake ▁and ▁brown ▁tree ▁s nake . ▁ ▁The ▁mountains ▁are ▁part ▁of ▁the ▁B unya ▁Mountains ▁and