Video S6: Example Exclusion—Left. The target monkey watches the experimenter’s demonstration. E1 leaves so the subject can approach, but the subject runs away before approaching to make a choice.
Video S1: Long Delay (Study 1) – Bonobo. Experimenter 1 (E1) baits and fake-baits the two containers (in counterbalanced order across trials) while Experimenter 2 (E2) attracts the bonobo to the cente
