A bonobo’s imaginary tea party hints that apes can pretend

ape: A group of rather large primates, all of which lack a tail. They include gorillas, chimpanzees, bonobos, orangutans, gibbons and humans. Most people tend to group humans into their own separate subcategory owing to a number of special traits. These include a larger brain, greater mental abilities (including being able to talk) and their ability to walk on two legs.

behavior: The way something (often a person or other organism) conducts itself or acts towards others.

cognitive: A term that relates to mental activities, such as thinking, learning, remembering and solving puzzles.

colleague: Someone who works with another; a co-worker or team member.

intelligence: The ability to collect and apply knowledge and skills.

primate: The order of mammals that includes humans, apes, monkeys and related animals (such as tarsiers, the Daubentonia and other lemurs).

tool: An object that a person or other animal makes or obtains and then uses to carry out some purpose such as reaching food, defending itself or grooming.

unique: Something that is unlike anything else; the only one of its kind.