Squirrel monkeys have the largest brain, relative to body size of all, non-human, primate species.
They are a highly social species that live in large groups, sometimes reaching up to 300 individuals in size, depending on the availability of resources. They have up to 30 distinct vocalisations that they will use to communicate to each other, as well as scent marking.
Squirrel Monkeys have a white mask of fur around their eyes, with dark brown or black around the mouth. Their fur is greyish brown in colour with yellow fur on their limbs.
Squirrel monkeys are an arboreal species that lives high up in the tree canopy only occasionally coming down to the ground.
Their tail is not prehensile, it is used for balancing when jumping form tree to tree.
Squirrel monkeys play a key role in the ecosystem, that they inhabit. By eating fruits, they carry out seed dispersal and therefore contribute to the healthy growth of plants in the rain forest.
Size: Squirrel Monkeys are approximately 32cm in length and their tail can reach up to 40cm. They weigh between 649grams and 1.25Kg.