sentences:  In addition to vocalization, male–male interactions may involve grabbing and pushing and even direct physical combat.This kind of behaviour is more common in species where males are larger than females (see sexual selection in frogs).The diet consists mostly of arthropods (in particular grasshoppers and crickets), but also vertebrate remains (other frogs including "Physalaemus crombiei" and "Scinax argyreornatus" as well as unidentified bird feathers) can be found in their stomach contents.