Paignton Zoo in England takes banana out of its monkeys ' diet . Zoo says the high sugar content of banana grown for food is bad for them . Some of the smaller monkeys are less aggressive , '' he said . Since bananas were introduced , the monkeys ' coats and tempers have improved .
Paignton Zoo in England takes banana out of its monkeys ' diet . Zoo says the high sugar content of banana grown for food is bad for them . Since bananas were introduced , the monkeys ' coats and tempers have improved .