A mammal. There are many types of monkeys, ranging from small monkeys measuring 14 to 16 centimeters in length to large monkeys up to one meter tall. Monkeys eat fruits, leaves, grains, nuts, flowers, insects, spiders, eggs, and other small organisms. The man appeared from the monkey The monkey has a special place in the Ramayana. Feeding humans changes the eating habits of monkeys living in the wild, increasing the likelihood that they will depend on humans for food. So monkeys can also attack humans.