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The western red colobus is frequently hunted by the common chimpanzee. [6] The members of this genus are found in western, central and eastern Africa, and the species have largely allo-or parapatric distributions. They are primarily arboreal and most are restricted to humid forests, but the Zanzibar red colobus prefers
The western red colobus grows to a head-and-body length of 450 to 670 mm (18 to 26 in) with a tail of 520 to 800 mm (20 to 31 in), and a weight of between 5 and 11 kg (11 and 24 lb). It has red or chestnut-brown head and limbs and black, slatey-grey or dark brown upper parts. It does not have long fringes of hair, or tufts of hair on the tail.
Old World monkey genera include baboons (genus Papio), red colobus (genus Piliocolobus), and macaques (genus Macaca). Common names for other Old World monkeys include the talapoin, guenon, colobus, douc (douc langur, genus Pygathrix), vervet, gelada, mangabey (a group of genera), langur, mandrill, drill, surili , patas, and proboscis monkey.
The chimpanzee is on the IUCN Red List as an endangered species. Chimpanzees are legally protected in most of their range and are found both in and outside national parks. Between 172,700 and 299,700 individuals are thought to be living in the wild, [2] a decrease from about a million chimpanzees in the early 1900s. [191]
The Tana River red colobus has been under the watch of the Tana River Primate National Reserve (TRPNR). They put a large amount of research and study into the conservation of the Tana River red colobus. They found that only 37% of the red colobuses lived inside the preservation itself, which has brought the conservation strategy into question. [11]
Kibale National Forest has one of the highest diversity and concentration of primates in Africa. It is home to a large number of endangered chimpanzees, as well as the red colobus monkey (status: Endangered) and the rare L'Hoest's monkey (Vulnerable). [4] Chimpanzee eating figs in Kibale National Park
The red colobus species have a smaller larynx compared to other members of the Colobinae subfamily. The male's call is more of an alto or soprano in contrast to the low bass of a male's in black-and-white colobus species. The Zanzibar red colobus is non-territorial in nature and as so does not typically make loud, territorial threat calls.
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