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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 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.
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 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 ]
Male chimpanzees hunt in groups more than females. Female chimpanzees tend to hunt solitarily. If a female chimpanzee were to participate in the hunting group and catch a Red Colobus, it would likely immediately be taken by an adult male. Female chimpanzees are estimated to hunt ≈ 10-15% of a community's vertebrates. [122]
The Colobinae or leaf-eating monkeys are a subfamily of the Old World monkey family that includes 61 species in 11 genera, including the black-and-white colobus, the large-nosed proboscis monkey, and the gray langurs.
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.
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]