Leptodactylus plaumanni
Its natural habitats are subtropical or tropical moist lowland forests , moist savanna , subtropical or tropical seasonally wet or flooded lowland grassland , intermittent freshwater marshes , pastureland , rural gardens , and heavily degraded former forest . 
<triplet> savanna <subj> grassland <obj> subclass of <triplet> grassland <subj> habitat <obj> instance of