Video S3: Multiple Locations (Study 2) – Bonobo. The experimenter (E) initially hid four test pieces of food in the enclosure while the bonobo observed; four control pieces had been previously hidden
The spontaneous crafting of hook-tools from bendable material to lift a basket out of a vertical tube in corvids has widely been used as one of the prime examples of animal tool innovation. However, i
Raw data and supplementary materials corresponding to the article "Transitive reasoning in the adult domestic hen in a sixterm series task" from Degrande et al.
