. "Red colobus"@en . . . . . . . . "Red colobuses are Old World monkeys of the subgenus Piliocolobus in the genus Procolobus. Some authors elevate Piliocolobus to a full genus, limiting Procolobus to the olive colobus. They are closely related to the black-and-white colobus monkeys (genus Colobus), and some species are often found in groups with the blue monkey."@en . .