Chimpanzees deliver tightrope performance at zoo in San Antonio, TX

Title Card: "Jungle Babes Show Off. San Antonio - Zoological Park Ballet makes spring debut! 'Buster' and 'Sissy', prize chimps, show how folks behaved when world was young" / VS two chimpanzees fight over mirror / CU two chimps fight, mirror on ground / CU Sissy gets new hat put on / MS Sissy wearing laced skirt, putting on underwear / MS man asks Sissy to walk on tightrope / CU feet walking on tightrope / MS Sissy reaches the other end of tightrope / WS Sissy walking back on tightrope, sitting on rope, continues to walk to the end of rope / CU Sissy walks on tightrope, sits down on rope, gets up and continues to walk to the end of the rope / CU Buster walks on tightrope with arms wrapped around his shoulders, and walks back on tightrope / Buster, with arms wrapped around his shoulders, walks on tightrope; he falls and holds on rope, Buster swings on rope and walks back on tightrope with arms open to balance his body / Note: exact month/day not known