Congo Republic. Brazzaville. Zoological park. A mandrill in a cage. The mandrill is a large Old World monkey native to west central Africa. It is one of the most colorful mammals in the world, with red and blue skin on its face and posterior. The species is sexually dimorphic, as males have a larger body, longer canine teeth and brighter coloring. It is the largest monkey in the world. The mandrill is classified as vulnerable on the IUCN Red List. Congo, officially the Republic of the Congo or Congo Republic, also known as Congo-Brazzaville is a country located on the western coast of Central Africa. 2.08.2024 © 2024 Didier Ruef