The forest is home to the rare red colobus monkey. Unlike other species of colobus monkey, black colobuses have no white markings. It is also home to the endangered red colobus monkey and the red-tailed monkey. Oustalet's red colobus ("Piliocolobus oustaleti") is a species of red colobus monkey. Tests found that the coat was in fact made of Colobus monkey, another endangered species. The tests found that the coat was actually made of Colobus monkey, another endangered species. Colobus monkey and Golden-rumped elephant shrew are also reported. The king colobus monkey is found in lowland and montane tropical rainforests. Some recent births include Francois' langur, sitatunga, takin, African-crested porcupine, colobus monkey, and lesser tenrec. The black colobus monkey is one of five recognised species in the genus "Colobus".