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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 Tana River red colobus is located only in a very small section of the world. Its current endangerment is caused by habitat loss and persecution by humans. [5] Tropical forests are constantly being cut down, causing the destruction of habitat for the red colobus.
Pennant's red colobus monkeys have been little studied, but their diet is likely to be similar to that of other red colobus monkeys. They mainly consist of fresh leaves supplemented by flowers, fruit, and seeds. They have specialist teeth that can macerate leaves and break up tough but pliant unripe fruit and the seeds embedded in the flesh.
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 Niger Delta red colobus is black on top from the head to the rump, becoming orange-brown on the sides and outer legs. The undersides and inner legs, and most of the arms are white. The hands and feet are black. The tail is red-brown on top and chestnut or maroon below, becoming darker towards the tip. It has white whiskers. [3] [4]
It is threatened by habitat loss and degradation, which has increased in recent years. [5] This species was, together with the equally endangered Tana River red colobus, the main reason for the creation of the Tana River Primate Reserve in 1978, [6] but human encroachment within this reserve continues. [7]
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.
Preuss's red colobus (Piliocolobus preussi) is a red colobus primate species endemic to the Cross-Sanaga Rivers ecoregion. An important population occurs in Korup National Park , Southwest Province , Cameroon , but the species' distribution is localized (groups are frequently encountered near the main tourist camps).