Naturalist: Different nonhuman primate species exhibit many contrasts in behavior  If a zookeeper leaves a screwdriver within reach of a chimpanzee, the animal is likely to examine and play with it for a time, and then move on to something else
In the same circumstances, an orangutan is likely to pretend to ignore the tool at first; later, in the zookeeper ' s absence, the orangutan may use the screwdriver to try to dismantle its cage
Some nonhuman primates are capable of deception.