Capuchin monkeys are onmivorous (species that eat both plants and animals as their primary food source); feeding on fruits, nuts and seeds as well as insects, spiders, bird eggs and small vertebrates. On the herbivorous side, they eat leaves, flowers, stems, fruits, berries, nuts, seeds, and more. They may even occasionally feed on small vertebrates, such as lizards and bird chicks. Once your baby is ready for solid foods he can eat pieces of monkey biscuits and chopped fruits and vegetables. Specifically, they eat a lot of fruit, leaves, seeds, flowers, and insects. They also hunt for insects, snails, frogs, lizards, and other small creatures. Baby capuchin monkeys can be fed human baby formula from a bottle.

As they get older, the consistency can be thickened with human baby rice and ground monkey biscuits. Capuchin and Human Interaction Humans interact with these monkeys in a number of different ways.