In the video captured on Feb. 26, the great ape runs towards the glass and bangs its hand on it, causing it to crack.

The study focused on Kanzi, a language-trained bonobo who died in March 2025 at the age of 44. Ape Initiative.

Zoo officials believe the bonobo was "taunted" by visitors ...

Can animals play pretend? It took a tea party with a bonobo to find out. In a set of experiments, a team of researchers offered a bonobo named Kanzi invisible juice and grapes, presenting the tests as ...

The Memphis Zoo has closed its bonobo exhibit for glass repairs after it was damaged by a primate that launched toward onlookers ...

Remember childhood tea parties? The cups are empty, the teapot is dry, yet the air is thick with the drama of imagined pouring, sipping, and spilling. The mental gymnastics required to participate in ...

In the study, three controlled experiments were used to test whether an ape could actually track a pretend object in a ...

Can animals play pretend? It took a tea party with a bonobo to find out. In a set of experiments, a team of researchers offered a bonobo named Kanzi invisible juice and grapes, presenting the tests as ...