Related Clues:

• Human's cousin
• Large copier?
• Doter of Narcissus
• Aldous Huxley's "___ and Essence"
• 'Can you hear me? ... hear me? ... hear me?'
• Canyon phenomenon
• Imitator
• Animal that beats its chest
• Audio feedback of a sort
• Radar's effect
• Talk back?
• IRS employee
• Orangutan
• Take after
• Tailless simian