Afyonkarahisar for Perhaps, however, we can discover a characteristic that is uniquely human. One might suggest that human beings are unique because humans alone have language. But the case here is similar to that of technology (not surprisingly perhaps, since language is, in one sense, a tool). Many other animals use symbolic gestures to communicate. Honeybees engage in an elaborate waggle dance to let their fellow bees know precisely where sources of food are to be found. Dolphins employ a complex series of high-pitched tones to communicate. Likewise, whales sing to each other in conversations that can last hours. Afyonkarahisar 2016.