(Leontopithecus chrysopygus)
The weight of this primate is estimated at 540 - 690 g,the length of the body is about 30 cm.The coat is black,sometimes with blackish to brown shades.Leaves feed on the plant with food,such as flowers,fruits and others,but they also catch small vertebrates or insects that pull out of the bark of trees with their flexible fingers.After 125 - 132.days of pregnancy,the female usually delivers two pups once a year,except for deviations from this number.The young are initially driven to their mothers on the back.They feed on maternal milk for 4 to 5 weeks,then begin to receive solid food (insects) from adults.The young are initially driven to their mothers on the back.They feed on maternal milk for 4 to 5 weeks,then begin to receive solid food (insects) from adults.