Distribution. Upper Amazon Basin in E Colombia (N as far as the Rio Arauca on the Venezuelan border; an isolated population in the upper Rio Magdalena in the Huila Department), E Ecuador, E Peru, W Brazil, and C & N Bolivia (S at least to the upper Rio Beni); the exact limits of its distribution have not been delineated, and particularly where they meet those of the Guianan Brown Capuchin (S. apella) in the Rio Madeira Basin, in the N along the Orinoco, and in the interfluvium of the Rio Solimoes and upper Rio Negro. in Cebidae

Distribution. Upper Amazon Basin in E Colombia (N as far as the Rio Arauca on the Venezuelan border; an isolated population in the upper Rio Magdalena in the Huila Department), E Ecuador, E Peru, W Brazil, and C & N Bolivia (S at least to the upper Rio Beni); the exact limits of its distribution have not been delineated, and particularly where they meet those of the Guianan Brown Capuchin (S. apella) in the Rio Madeira Basin, in the N along the Orinoco, and in the interfluvium of the Rio Solimoes and upper Rio Negro.