Primates: Present food which requires the use (or modification) of tools
Overall effectiveness category No evidence found (no assessment)
Number of studies: 0
Background information and definitions
To be classified as a tool, an object must be held in the hand, foot or mouth by the primate and used to enable him or her to attain an immediate goal (Goodall 1980), such as acquiring food.
Goodall J (1980) Tool-using in primates and other vertebrates. Advances in the study of behaviour. New York, Academic Press, 1980, Vol. 3, 195-429.