Can chimpanzees smile? Yes, of course!
Their true smiling face is different from chimpanzees' smiling faces in TV entertainment programs, in which they bare their upper teeth. Their facial expression in which their upper teeth bared means crying in human. Their facial expression in which their lips are pouted means displeasure in human.
Chimpanzees in show business are forced to fake human-like smiling faces.
We want you to learn about the real smiling faces of chimpanzees. A satisfied and delighted chimpanzee can smile. Please take a look at the photos below and recognize the difference between these real ones and the fake smiling faces in show business.