Are monkeys entering the stone age? Capuchin primates filmed using tools to dig for food underground… days after orangutan treated its own wound with plant

Animal psychologists have released incredible video from 214 cases of Capuchin monkeys using stone and stick tools to forage for food in Brazil’s Ubajara National ParkAnimal psychologists have released incredible video from 214 cases of Capuchin monkeys using stone and stick tools to forage for food in Brazil’s Ubajara National Park Animal psychologists have released incredible video from 214 cases of Capuchin monkeys using stone and stick tools to forage for food in Brazil’s Ubajara National Park  Science & tech Articles | Mail Online