Leptodactylus fuscus
Its natural habitats are subtropical or tropical dry forests , subtropical or tropical moist lowland forests , subtropical or tropical moist montane forests , dry savanna , moist savanna , subtropical or tropical dry shrubland , subtropical or tropical moist shrubland , subtropical or tropical dry lowland grassland , subtropical or tropical seasonally wet or flooded lowland grassland , swamps , freshwater lakes , intermittent freshwater marshes , pastureland , plantations , rural gardens , urban areas , heavily degraded former forest , ponds , irrigated land , seasonally flooded agricultural land , and canals and ditches . 
<triplet> grassland <subj> habitat <obj> instance of