▁f rog ▁species ▁in ▁the ▁family ▁Meg oph ry idae . ▁It ▁is ▁found ▁in ▁the ▁Mal ay ▁Pen ins ula , ▁both ▁in ▁Malays ia ▁and ▁southern ▁Th ailand . ▁The ▁type ▁local ity ▁is ▁Max well ▁Hill ▁in ▁Ta ip ing , ▁Per ak , ▁Malays ia . ▁Its ▁natural ▁habit ats ▁are ▁tropical ▁mo ist ▁low land ▁for ests , ▁mo ist ▁mont ane ▁for ests , ▁and ▁rivers . ▁It ▁is ▁not ▁considered ▁threatened ▁by ▁the ▁IU CN . ▁ ▁Male ▁Le pt ol al ax ▁heter opus ▁grow ▁to ▁sn out - vent ▁length ▁of ▁ ▁and ▁females ▁to ▁. ▁These ▁fro gs ▁are ▁usually ▁encountered ▁while ▁per ched ▁on ▁the ▁leaves ▁of ▁small ▁plants ▁close ▁the ▁ground . ▁The ▁call ▁of ▁male ▁L . ▁heter opus ▁is ▁short ▁and ▁consists ▁of ▁a ▁short ▁series ▁of ▁ 3 – 6 ▁notes , ▁the ▁first ▁note ▁being ▁longer ▁in ▁duration ▁and ▁higher ▁in ▁dominant ▁frequency ▁than ▁subsequent ▁ones . ▁The ▁call ▁characteristics ▁are ▁among ▁the ▁features ▁that ▁separate ▁this ▁species ▁from ▁super f icial ly ▁similar ▁Le pt ol al ax ▁sol us . ▁Indeed , ▁fro gs ▁reported ▁from ▁Th ailand ▁as ▁Le pt ol al ax ▁heter opus ▁might ▁actually ▁be ▁the ▁relatively ▁recently ▁( 2 0 0 6 ) ▁described ▁L . ▁sol us . ▁ ▁References ▁ ▁External ▁links ▁ ▁Sound ▁record ings ▁of ▁Le pt ol al ax ▁heter opus ▁at ▁Bio Ac oust ica ▁ ▁heter opus ▁Category : Am ph ib ians