BeardsleyZooFan 31 Aug 2012 August 30, 2012: Zuele is 26 years old and likely the oldest howler monkey in the world. Her companion, Rosario, is 11 years old.
August 30, 2012: Zuele is 26 years old and likely the oldest howler monkey in the world. Her companion, Rosario, is 11 years old.
