Der Affe scheint es ernst zu meinen... :-)

NRucker5  sez on youtube:

"This is at the cafe inside the Memphis Zoo. The manager of the cafe told me that the alpha male monkey noticed me the second I walked in the door and started going crazy, because, as the alpha male, he feels threatened by tall males. So she told me to go stand by the window and turn my back on him and that he would "attack" me..."

via mogreens.