Izilwane zixhumana ngezindlela ezingu-5
basebenzisa izinsiza-kuzwa Sebenzisa izimpawu ezizwakalayo noma ezizwakalayo ukusetshenziswa kwamakhemikhali afana nama-pheromones Sebenzisa izimpawu ezisekelwe ekuthinteni. Sebenzisa i - echo noma i - ultrasound