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Monkeys? reaction to those who have more? Spite

Monkeys, like humans, will take the time and effort to punish others who get more than their fair share, according to a new study. In fact, they can act downright spiteful. Capuchin monkeys will yank on a rope to collapse a table that is holding a partner monkey's food. While chimpanzees collapse their partner's table only after direct personal affronts like theft, capuchins punish more often, even in cases where the other monkey merely had more food, according to a new study.
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