But if you are going for the habitat foods, they are a little different. The common marmoset eat on such animals such as grasshoppers, cicadas, crickets, and cockroaches. They also like to eat on fruit. Some of their fruit sources range in size from small to large and tend to be sweet and soft. The baboon diet consists mostly of fruit, leaves, grasses, bulbs, tubers and flowers, but they also eat insects, lizards, bird's eggs and even new-born antelope.
Males sometimes eat the young of displaced or deceased males.
It is less common for them will kill and eat scrub hares and baby impalas. The Spectacled Langur eats primarily on leaves, fruits, and flowers. Plus you should also give them vitamin supplements if you are caring for them. Howler monkeys are vegetarians, feeding on flowers, fruits and leaves. The common marmoset is spread throughout the Atlantic Coastal Forest of Northeastern Brazil.