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The Zanzibar red colobus (Piliocolobus kirkii) is a species of red colobus monkey endemic to Unguja, the main island of the Zanzibar Archipelago, off the coast of Tanzania.It is also known as Kirk's red colobus after Sir John Kirk, the British Resident of Zanzibar who first brought it to the attention of zoological science.
The red colobus monkeys have adapted their behavior by joining troops of green monkeys that are near the potential red colobus troops that they wish to join, and living amongst them in order to spy on their potential new families. In one notable case, an adolescent male red colobus spent two years with a green monkey troop in order to spy in ...
The Niger Delta red colobus (Piliocolobus epieni) is a critically endangered species of colobus monkey endemic to the western part of the Niger Delta. It is threatened by hunting and habitat loss . Taxonomy
The Tana River red colobus had been considered one of The World's 25 Most Endangered Primates. [6] [7] It was, together with the equally endangered Tana River mangabey, the main reason for the creation of the Tana River Primate Reserve in 1978, [8] but human encroachment within this reserve continues. [9]
The Ugandan red colobus (Piliocolobus tephrosceles) or ashy red colobus is an endangered species of red colobus monkey, recognised as a distinct species since 2001. [1] There is disagreement however over taxonomy with many considering the Ugandan red colobus to be a subspecies (Procolobus rufomitratus tephrosceles). [2]
The western red colobus (Piliocolobus badius), also known as the bay red colobus, rust red colobus or Upper Guinea red colobus, is a species of Old World monkey in West African forests from Senegal to Ghana. [1] All other species of red colobuses have formerly been considered subspecies of P. badius. The monkey is a frequent prey of the common ...
In IUCN's 2008 and 2016 assessments, Bouvier's red colobus was classified as critically endangered with a note saying it was "possibly extinct". [1] No individuals had been seen in the wild since the 1970s and was thought to have lost at least 80% of its population since then, due to hunting and habitat loss. [1]
The IUCN Red List notes Miss Waldron's red colobus as critically endangered. [2] Miss Waldron's red colobus was discovered in December 1933 by Willoughby P. Lowe, a British Museum (Natural History) collector [5] who had shot eight specimens of the animal.