Gorilla Kept Stacking Tires Every Morning — Then His Caretaker Finally Figured Out Why

Sensory Experiments

Angie tried new ways to reach Boba. She played recordings of different zoo sounds, brought in objects with old scents, and even showed him photos of former caretakers.

Boba’s reactions were mostly mild, but she documented every flicker of interest, every twitch or glance. She refused to give up.