Generally very shy and cautious animals, many state that this species is very serious looking. Primarily found in Northern and Central South America from Peru to Columbia and also even Brazil and Bolivia...this tiny creaturs get around. Small in size, Sakis reach a length of only 30 to 50 cm, with a tail just as long, and can weigh up to 2 kg. Extremely territorial, this species lives in federations, which is a cliquey group consisting only of a group of parents and their offspring. A diurnal mammal they choose to spend their days living in trees on the rain forests and it is a rare occasion that they will be found walking on land.