The
Uacari Calvo is north and south of the Amazon River, the Sustainable Development Reserve Mamirauá Japurá. The Black-headed
Uacari is north of the southern Amazon and Rio Negro. The Fog Uacari is north of the Rio Negro, west of Rio Marauia Casiquiare and east of the canal. Uakari be found in the Amazon flooded neotropical forests or wetlands, including Brazil, Colombia, Peru and Venezuela