 This ape anticipated the falling of food and stuck his hand out first, before recruiting help from his partner.Chalmeau, Lardeux, Brandibas, and Gallo concluded the apes appeared to understand the requirements of the cooperative task.Capuchins ("Sapajus apella") are large-brained monkeys that sometimes hunt cooperatively in the wild and
show, for nonhuman primates, unusually high levels of social tolerance around food.