Free-ranging Syke's monkey, hanging out in the Nairobi Animal Orphanage to steal food from orphans.
C. m. kolbi following IUCN subspecies range map
Interspecies grooming. A confiscated and captive black mangabey (Lophocebus aterrimus: native to Angola and DRC, across the continent) and a free-ranging Syke's monkey. Interesting, no? Species that would never co-occur together in the wild, forging a bond across a cage boundary.
C. m. kolbi following IUCN subspecies range map
The Blue Monkey or Diademed Monkey (Cercopithecus mitis) is a species of guenon native to Central and East Africa, ranging from the upper Congo River basin east to the Great Rift Valley and south to northern Angola and Zambia. It has included the Sykes', Silver and Golden Monkey as subspecies.